Bump version to 3.19.91

Update NEWS.

.gitignore

@@ -62,14 +62,18 @@ src/stamp-meta-enum-types.h
 src/meta-dbus-display-config.[ch]
 src/meta-dbus-idle-monitor.[ch]
 src/meta-dbus-login1.[ch]
+src/gtk-primary-selection-protocol.c
+src/gtk-primary-selection-server-protocol.h
 src/gtk-shell-protocol.c
 src/gtk-shell-server-protocol.h
-src/xdg-shell-protocol.c
-src/xdg-shell-server-protocol.h
-src/pointer-gestures-protocol.c
-src/pointer-gestures-server-protocol.h
-src/xserver-protocol.c
-src/xserver-server-protocol.h
+src/xdg-shell-unstable-v*-protocol.c
+src/xdg-shell-unstable-v*-server-protocol.h
+src/pointer-gestures-unstable-v*-protocol.c
+src/pointer-gestures-unstable-v*-server-protocol.h
+src/relative-pointer-unstable-v*-protocol.c
+src/relative-pointer-unstable-v*-server-protocol.h
+src/pointer-constraints-unstable-v*-protocol.c
+src/pointer-constraints-unstable-v*-server-protocol.h
 src/meta/meta-version.h
 doc/reference/*.args
 doc/reference/*.bak

NEWS

@@ -1,3 +1,130 @@
+3.19.91
+=======
+* Add --nested CLI argument to fix nested wayland session [Jonas; #758658]
+* Fix stack - scene graph stacking synchronization issues [Jonas; #755605]
+* Rate-limit last-device changes to fix freezes [Carlos; #753527]
+* Implement primary selection protocol [Carlos; #762560]
+* Misc. bug fixes [Carlos, Jonas; #762878, #762716]
+
+Contributors:
+  Jonas Ådahl, Carlos Garnacho, Tim Lunn
+
+Translations:
+  Piotr Drąg [pl], Artur de Aquino Morais [pt_BR], Marek Černocký [cs],
+  Cédric Valmary [oc], Mario Blättermann [de], Dušan Kazik [sk],
+  Fran Dieguez [gl], Aurimas Černius [lt], Daniel Mustieles [es],
+  Stas Solovey [ru], Yosef Or Boczko [he]
+
+3.19.90
+=======
+* Release buffer after processing commit [Ray; #761312, #761613]
+* Implement pointer motion, locks and confinement on wayland [Jonas; #744104]
+* Add basic startup notification support on wayland [Carlos; #762268]
+* Misc. bug fixes [Rui, Alberts, Florian; #760670, #761543, #752794, #761557]
+
+Contributors:
+  Jonas Ådahl, Olivier Fourdan, Carlos Garnacho, Rui Matos,
+  Alberts Muktupāvels, Florian Müllner, Jasper St. Pierre, Ray Strode
+
+3.19.4
+======
+* Fix updating stacking order when setting transient_for [Jonas; #755606]
+* Support screen rotation when supported by the driver [Carlos; #745079]
+* Protect against broken WM_CLASS property implementations [Sebastian; #759658]
+* Handle wl_pointer v5 events on wayland [Carlos; #760637]
+* Implement DND actions on wayland [Carlos; #760805]
+* Misc. bug fixes [Jonas, Rui, Ray, Marek; #754711, #756789, #759297, #758613,
+  #760330, #760476, #759222, #760670]
+
+Contributors:
+  Jonas Ådahl, Marek Chalupa, Carlos Garnacho, Sebastian Keller, Rui Matos,
+  Florian Müllner, Jasper St. Pierre, Ray Strode
+
+Translations:
+  Aurimas Černius [lt]
+
+3.19.3
+======
+* Correct refresh rate units on KMS/Wayland [Daniel; #758653]
+* Fix crash when initial cursor position is not on a monitor [Marek; #756698]
+* Fix crash when more CRTs are enabled than outputs connected [Rui; #751638]
+* Fix touch pointer emulation on wayland [Carlos; #756754]
+* Allow minimizing windows that don't advertise supporting it [Jasper; #758186]
+* Force 2-finger scroll by default if available [Bastien; #759304]
+* Fix crash during XWayland initialization [Marek; #751845]
+* Ensure to send a ConfigureNotify to just mapped windows [Rui; #759492]
+* Misc. bug fixes and cleanups [Carlos, Jonas, Lionel; #758239, #758633,
+  #755503, #759374]
+
+Contributors:
+  Jonas Ådahl, Marek Chalupa, Carlos Garnacho, Lionel Landwerlin, Rui Matos,
+  Bastien Nocera, Daniel Stone, Jasper St. Pierre
+
+3.19.2
+======
+* Fix crash on monitor unplug [Rui; #756796]
+* Exit cleanly on initialization errors [Owen; #757311]
+* Allow to determine backend setting from session type [Ray; #741666]
+* Fix DRM device detection for non-PCI devices [Alban; #754911]
+* Don't force placement of windows without buffer on wayland [Marek; #751887]
+* Fix initialization of bypass compositor hint [Rui; #758544]
+
+Contributors:
+  Alban Browaeys, Marek Chalupa, Rui Matos, Florian Müllner, Ray Strode,
+  Owen W. Taylor
+
+3.19.1
+======
+* wayland: Allow to trigger popups through keyboard/touch [Carlos; #756296]
+* Fix modifiers-only input source switching on Ubuntu [Alberts; #756543]
+* Misc. bug fixes [Jonas, Rui, Giovanni, Florian; #756675, #756660, #746420,
+  #756548, #756796, #757101, #757148]
+
+Contributors:
+  Jonas Ådahl, Giovanni Campagna, Carlos Garnacho, Rui Matos,
+  Alberts Muktupāvels, Florian Müllner
+
+Translations:
+  Daniel Șerbănescu [ro]
+
+3.18.1
+======
+* Misc. crash fixes [Jonas, Rui, Carlos, Owen, Florian; #755096, #754979,
+  #755490, #754357, #745785, #756642]
+* Improve HiDPI support on wayland [Jonas; #755097]
+* Fix doubly-scaled cursor on XWayland HiDPI [Jonas; #755099]
+* Stop hiding titlebar buttons in dialogs [Florian; #641630]
+* Add support for fullscreen/unfullscreen animations [Cosimo; #707248]
+* Misc. bug fixes [Rui, Colin, Florian; #743339, #752047, #756074, #756649]
+
+Contributors:
+  Jonas Ådahl, Cosimo Cecchi, Carlos Garnacho, Rui Matos, Florian Müllner,
+  Jasper St. Pierre, Colin Walters, Owen W. Taylor
+
+3.18.0
+======
+* Misc. fixes [Florian, Jonas; #753434]
+
+Contributors:
+  Jonas Ådahl, Florian Müllner
+
+Translations:
+  Rūdolfs Mazurs [lv]
+
+3.17.92
+=======
+* Don't omit the background color for backgrounds that don't fill the screen
+  [Ray; #754476]
+* Fix up key state on FocusIn when running nested [Owen; #753948]
+* Find the right DRM device instead of hardcoding card0 [Marek; #753434]
+* Scale cursor on HiDPI screens [Jonas; #744932]
+* Misc. fixes and cleanups [Lan, Jonas, Javier, Olivier; #754545, #754215,
+  #754621, #754715]
+
+Contributors:
+  Jonas Ådahl, Marek Chalupa, Olivier Fourdan, Javier Jardón, Ting-Wei Lan,
+  Ray Strode, Owen W. Taylor
+
 3.17.91
 =======
 * Send error on pointer-gesture protocol version mismatch [Jonas; #753855]

configure.ac

@@ -1,7 +1,7 @@
 AC_PREREQ(2.62)
 
 m4_define([mutter_major_version], [3])
-m4_define([mutter_minor_version], [17])
+m4_define([mutter_minor_version], [19])
 m4_define([mutter_micro_version], [91])
 
 m4_define([mutter_version],
@@ -46,6 +46,7 @@ IT_PROG_INTLTOOL([0.41])
 AC_PROG_CC
 AC_PROG_CC_C_O
 AC_PROG_INSTALL
+AC_PROG_SED
 AC_HEADER_STDC
 PKG_PROG_PKG_CONFIG([0.21])
 
@@ -58,12 +59,12 @@ CANBERRA_GTK_VERSION=0.26
 CLUTTER_PACKAGE=clutter-1.0
 
 MUTTER_PC_MODULES="
-   gtk+-3.0 >= 3.9.11
+   gtk+-3.0 >= 3.19.8
    gio-unix-2.0 >= 2.35.1
    pango >= 1.2.0
    cairo >= 1.10.0
-   gsettings-desktop-schemas >= 3.15.92
-   $CLUTTER_PACKAGE >= 1.23.4
+   gsettings-desktop-schemas >= 3.19.3
+   $CLUTTER_PACKAGE >= 1.25.6
    cogl-1.0 >= 1.17.1
    upower-glib >= 0.99.0
    gnome-desktop-3.0
@@ -219,6 +220,10 @@ AS_IF([test "$have_wayland" = "yes"], [
     [AC_MSG_ERROR([Could not find wayland-scanner in your PATH, required for parsing wayland extension protocols])])
   AC_SUBST([WAYLAND_SCANNER])
   AC_DEFINE([HAVE_WAYLAND],[1],[Define if you want to enable Wayland support])
+
+  PKG_CHECK_MODULES(WAYLAND_PROTOCOLS, [wayland-protocols >= 1.1],
+		    [ac_wayland_protocols_pkgdatadir=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`])
+  AC_SUBST(WAYLAND_PROTOCOLS_DATADIR, $ac_wayland_protocols_pkgdatadir)
 ])
 AM_CONDITIONAL([HAVE_WAYLAND],[test "$have_wayland" = "yes"])
 

data/Makefile.am

@@ -1,6 +1,5 @@
 desktopfiles_in_files = \
-	mutter.desktop.in \
-	mutter-wayland.desktop.in
+	mutter.desktop.in
 desktopfilesdir = $(datadir)/applications
 desktopfiles_DATA = $(desktopfiles_in_files:.desktop.in=.desktop)
 

data/mutter-wayland.desktop.in

@@ -1,17 +0,0 @@
-[Desktop Entry]
-Type=Application
-_Name=Mutter (wayland compositor)
-Exec=mutter --wayland --display-server
-NoDisplay=true
-# name of loadable control center module
-X-GNOME-WMSettingsModule=metacity
-# name we put on the WM spec check window
-X-GNOME-WMName=Mutter
-# back compat only 
-X-GnomeWMSettingsLibrary=metacity
-X-GNOME-Bugzilla-Bugzilla=GNOME
-X-GNOME-Bugzilla-Product=mutter
-X-GNOME-Bugzilla-Component=general
-X-GNOME-Autostart-Phase=WindowManager
-X-GNOME-Provides=windowmanager
-X-GNOME-Autostart-Notify=true

po/POTFILES.skip

@@ -1 +1,2 @@
-data/mutter-wayland.desktop.in
+# List of source files that should NOT be translated.
+# Please keep this file sorted alphabetically.

po/cs.po

@@ -12,7 +12,7 @@ msgstr ""
 "Project-Id-Version: mutter\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-03-24 23:25+0000\n"
+"POT-Creation-Date: 2016-02-27 13:36+0000\n"
 "PO-Revision-Date: 2014-09-22 15:01+0200\n"
 "Last-Translator: Petr Kovar <pknbe@volny.cz>\n"
 "Language-Team: Czech <gnome-cs-list@gnome.org>\n"
@@ -238,8 +238,7 @@ msgstr "Přepnout okno na všechny/jednu pracovní plochu"
 
 #: ../data/50-mutter-windows.xml.in.h:13
 msgid "Raise window if covered, otherwise lower it"
-msgstr ""
-"Když je okno zakryté vynést jej do popředí, jinak odsunout do pozadí"
+msgstr "Když je okno zakryté vynést jej do popředí, jinak odsunout do pozadí"
 
 #: ../data/50-mutter-windows.xml.in.h:14
 msgid "Raise window above other windows"
@@ -457,22 +456,22 @@ msgstr "Přepnout na VT 11"
 msgid "Switch to VT 12"
 msgstr "Přepnout na VT 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Vestavěný displej"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Neznámý"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Neznámý displej"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -515,40 +514,44 @@ msgstr "_Počkat"
 msgid "_Force Quit"
 msgstr "_Vynutit ukončení"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Nelze otevřít displej X Window System „%s“\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Zakáže připojení ke správci sezení"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Nahradí běžícího správce oken"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Určení ID správy sezení"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Displej X, který použije"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Spustí sezení z uloženého souboru"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Provede volání X synchronně"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
-msgstr "Spustit jako kompozitní program protokolu Wayland"
+msgstr "Spustit jako kompozitor protokolu Wayland"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Spustit jako podkladový kompozitor"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Spustit jako plnohodnotný server displeje, nikoliv vnořeně"
 
@@ -576,12 +579,12 @@ msgstr "Vypíše verzi"
 msgid "Mutter plugin to use"
 msgstr "Zásuvný modul Mutter, který se má použít"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Plocha %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -590,12 +593,12 @@ msgstr ""
 "Displej „%s“ již správce oken má; zkuste prosím nahradit aktuálního správce "
 "oken pomocí přepínače --replace."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Obrazovka %d na displeji „%s“ je neplatná\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter bylo přeloženo bez podpory podrobného režimu\n"
 
@@ -1272,32 +1275,3 @@ msgstr "%s (na %s)"
 #~ msgid "Move to Another _Workspace"
 #~ msgstr "Přes_unout na jinou plochu"
 
-#~ msgid "Shift"
-#~ msgstr "Shift"
-
-#~ msgid "Ctrl"
-#~ msgstr "Ctrl"
-
-#~ msgid "Alt"
-#~ msgstr "Alt"
-
-#~ msgid "Meta"
-#~ msgstr "Meta"
-
-#~ msgid "Super"
-#~ msgstr "Super"
-
-#~ msgid "Hyper"
-#~ msgstr "Hyper"
-
-#~ msgid "Mod2"
-#~ msgstr "Mod2"
-
-#~ msgid "Mod3"
-#~ msgstr "Mod3"
-
-#~ msgid "Mod4"
-#~ msgstr "Mod4"
-
-#~ msgid "Mod5"
-#~ msgstr "Mod5"

po/de.po

@@ -3,7 +3,7 @@
 # Matthias Warkus <mawarkus@gnome.org>, 2002.
 # Christian Neumair <chris@gnome-de.org>, 2002-2004.
 # Hendrik Richter <hendrikr@gnome.org>, 2005, 2006, 2007, 2008.
-# Mario Blättermann <mario.blaettermann@gmail.com>, 2010-2013.
+# Mario Blättermann <mario.blaettermann@gmail.com>, 2010-2013, 2016.
 # Christian Kirbach <Christian.Kirbach@googlemail.com>, 2009, 2011, 2012.
 # Wolfgang Stöggl <c72578@yahoo.de> 2011.
 # Tobias Endrigkeit <tobiasendrigkeit@googlemail.com>, 2012.
@@ -13,16 +13,16 @@ msgstr ""
 "Project-Id-Version: mutter master\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-06-20 08:08+0000\n"
-"PO-Revision-Date: 2015-06-18 20:59+0100\n"
-"Last-Translator: Bernd Homuth <dev@hmt.im>\n"
+"POT-Creation-Date: 2016-02-28 13:37+0000\n"
+"PO-Revision-Date: 2016-02-28 19:15+0100\n"
+"Last-Translator: Mario Blättermann <mario.blaettermann@gmail.com>\n"
 "Language-Team: Deutsch <gnome-de@gnome.org>\n"
 "Language: de\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Poedit 1.8.1\n"
+"X-Generator: Poedit 1.8.7\n"
 
 #: ../data/50-mutter-navigation.xml.in.h:1
 msgid "Navigation"
@@ -463,22 +463,22 @@ msgstr "Zum virtuellen Terminal 11 wechseln"
 msgid "Switch to VT 12"
 msgstr "Zum virtuellen Terminal 12 wechseln"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Eingebaute Anzeige"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Unbekannt"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Unbekannte Anzeige"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -523,40 +523,44 @@ msgstr "_Warten"
 msgid "_Force Quit"
 msgstr "_Beenden erzwingen"
 
-#: ../src/core/display.c:563
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "X-Window-Systemanzeige »%s« konnte nicht geöffnet werden\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Verbindung zur Sitzungsverwaltung deaktivieren"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Den aktuellen Fensterverwalter ersetzen"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Kennung der Sitzungsverwaltung angeben"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Zu verwendende X-Anzeige"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Sitzung anhand gespeicherter Datei starten"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "X-Aufrufe abgleichen"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Als Wayland-Compositor ausführen"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Als eingebetteten Compositor ausführen"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Als vollwertigen Display-Server verwenden (nicht eingebettet)"
 
@@ -586,12 +590,12 @@ msgstr "Version ausgeben"
 msgid "Mutter plugin to use"
 msgstr "Zu benutzendes Mutter-Plugin"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Arbeitsfläche %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -600,12 +604,12 @@ msgstr ""
 "Bildschirm »%s« hat bereits einen Fensterverwalter. Versuchen Sie die Option "
 "»--replace«, um den aktuellen Fensterverwalter zu ersetzen."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Bildschirm %d auf Anzeige »%s« ist ungültig\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter wurde ohne Unterstützung für den redseligen Modus kompiliert\n"
 

po/es.po

@@ -7,15 +7,15 @@
 # Pablo Gonzalo del Campo <pablodc@bigfoot.com>,2002,2003.
 # Francisco Javier F. Serrador <serrador@cvs.gnome.org>, 2004, 2005, 2006.
 # Jorge González <jorgegonz@svn.gnome.org>, 2007, 2008, 2009, 2010, 2011.
-# Daniel Mustieles <daniel.mustieles@gmail.com>, 2011, 2012, 2013, 2014, 2015.
+# Daniel Mustieles <daniel.mustieles@gmail.com>, 2011, 2012, 2013, 2014, 2015, 2016.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: mutter.master\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-02-23 11:10+0000\n"
-"PO-Revision-Date: 2015-02-23 19:07+0100\n"
+"POT-Creation-Date: 2016-02-28 13:37+0000\n"
+"PO-Revision-Date: 2016-02-29 16:02+0100\n"
 "Last-Translator: Daniel Mustieles <daniel.mustieles@gmail.com>\n"
 "Language-Team: Español; Castellano <gnome-es-list@gnome.org>\n"
 "Language: \n"
@@ -445,46 +445,41 @@ msgid "Switch to VT 7"
 msgstr "Cambiar al VT 7"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:8
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 8"
 msgstr "Cambiar al VT 8"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:9
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 9"
 msgstr "Cambiar al VT 9"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:10
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 10"
 msgstr "Cambiar al VT 10"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:11
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 11"
 msgstr "Cambiar al VT 11"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:12
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 12"
 msgstr "Cambiar al VT 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Pantalla integrada"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Desconocida"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Pantalla desconocida"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -529,40 +524,45 @@ msgstr "_Esperar"
 msgid "_Force Quit"
 msgstr "_Forzar la salida"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Ocurrió un error al abrir la pantalla de X Window System «%s»\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Desactivar conexión al gestor de sesión"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Reemplazar el gestor de ventanas en ejecución"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Especificar el ID se gestión de sesión"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Pantalla X que usar"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Inicializar sesión desde el archivo de salvaguarda"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Hacer que las llamadas a las X sean síncronas"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Ejecutar como compositor Wayland"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+#| msgid "Run as a wayland compositor"
+msgid "Run as a nested compositor"
+msgstr "Ejecutar como compositor anidado"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Ejecutar como servidor completo, en lugar de anidado"
 
@@ -589,12 +589,12 @@ msgstr "Imprimir versión"
 msgid "Mutter plugin to use"
 msgstr "Complemento de mutter que usar"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Área de trabajo %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -603,12 +603,12 @@ msgstr ""
 "La pantalla «%s» ya tiene un gestor de ventanas; pruebe a usar la opción «--"
 "replace» para reemplazar el gestor de ventanas activo."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "La ventana %d en la pantalla «%s» no es válida\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter fue compilado sin soporte para modo prolijo\n"
 

po/gl.po

@@ -9,22 +9,21 @@
 # Mancomún - Centro de Referencia e Servizos de Software Libre <g11n@mancomun.org>, 2009.
 # Fran Diéguez <frandieguez@gnome.org>, 2009, 2010, 2011, 2012.
 # Leandro Regueiro <leandro.regueiro@gmail.com>, 2012.
-# Fran Dieguez <frandieguez@gnome.org>, 2012, 2013, 2014, 2015.
-#
+# Fran Dieguez <frandieguez@gnome.org>, 2012, 2013, 2014, 2015, 2016.
 msgid ""
 msgstr ""
 "Project-Id-Version: gl\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-02-28 22:43+0100\n"
-"PO-Revision-Date: 2015-02-28 22:42+0100\n"
+"POT-Creation-Date: 2016-03-02 09:49+0100\n"
+"PO-Revision-Date: 2016-03-02 09:49+0200\n"
 "Last-Translator: Fran Dieguez <frandieguez@gnome.org>\n"
-"Language-Team: Galician <>\n"
+"Language-Team: gnome-l10n-gl@gnome.org\n"
 "Language: gl\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Gtranslator 2.91.6\n"
+"X-Generator: Virtaal 0.7.1\n"
 
 #: ../data/50-mutter-navigation.xml.in.h:1
 msgid "Navigation"
@@ -461,22 +460,22 @@ msgstr "Cambiar á VT 11"
 msgid "Switch to VT 12"
 msgstr "Cambiar á VT 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Pantalla embebida"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Descoñecido"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Pantalla descoñecida"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -521,40 +520,44 @@ msgstr "Espe_rar"
 msgid "_Force Quit"
 msgstr "_Forzar a saída"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Produciuse un erro ao abrir a visualización do X Window System «%s»\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Desactivar a conexión ao xestor de sesión"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Substituír o xestor de xanelas en execución"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Especificar o ID de xestión de sesión"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Pantalla X que se vai usar"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Inicializar sesión desde o ficheiro de salvagarda"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Facer que as chamadas a X sexan sincrónicas"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Executar como compositor de wayland"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Executar como compositor anidado"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Executar como un servidor de pantalla completo, fronte a un aniñado"
 
@@ -581,12 +584,12 @@ msgstr "Imprimir versión"
 msgid "Mutter plugin to use"
 msgstr "Engadido de mutter que usar"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Espazo de traballo %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -595,12 +598,12 @@ msgstr ""
 "A pantalla «%s» ten xa un xestor de xanelas, tente usar a opción --replace "
 "para substituír o xestor de xanelas."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "A pantalla %d na visualización «%s» non é válida\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter foi compilado sen compatibilidade para o modo detallado\n"
 

po/he.po

@@ -10,8 +10,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: metacity.HEAD.he\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-02-24 19:33+0200\n"
-"PO-Revision-Date: 2015-02-24 19:34+0200\n"
+"POT-Creation-Date: 2016-03-03 14:39+0200\n"
+"PO-Revision-Date: 2016-03-03 14:40+0200\n"
 "Last-Translator: Yosef Or Boczko <yoseforb@gmail.com>\n"
 "Language-Team: עברית <>\n"
 "Language: he\n"
@@ -453,22 +453,22 @@ msgstr "מעבר ל־VT ‏11"
 msgid "Switch to VT 12"
 msgstr "מעבר ל־VT ‏12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "תצוגה מובנית"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "לא ידוע"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "תצוגה לא ידועה"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -510,40 +510,44 @@ msgstr "ה_מתנה"
 msgid "_Force Quit"
 msgstr "_אילוץ סגירה"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Failed to open X Window System display '%s'\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Disable connection to session manager"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Replace the running window manager"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Specify session management ID"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "X Display to use"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Initialize session from savefile"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Make X calls synchronous"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Run as a wayland compositor"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Run as a nested compositor"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Run as a full display server, rather than nested"
 
@@ -569,12 +573,12 @@ msgstr "Print version"
 msgid "Mutter plugin to use"
 msgstr "תוסף ה־mutter לשימוש"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "מרחב עבודה %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -583,12 +587,12 @@ msgstr ""
 "Display \"%s\" already has a window manager; try using the --replace option "
 "to replace the current window manager."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Screen %d on display '%s' is invalid\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter הודר ללא תמיכה במצב פירוט\n"
 

po/lt.po

@@ -13,8 +13,8 @@ msgstr ""
 "Project-Id-Version: lt\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-02-28 11:14+0000\n"
-"PO-Revision-Date: 2015-02-28 21:34+0200\n"
+"POT-Creation-Date: 2016-02-26 09:54+0000\n"
+"PO-Revision-Date: 2016-02-25 15:18+0200\n"
 "Last-Translator: Aurimas Černius <aurisc4@gmail.com>\n"
 "Language-Team: Lietuvių <gnome-lt@lists.akl.lt>\n"
 "Language: lt\n"
@@ -23,7 +23,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n"
 "%100<10 || n%100>=20) ? 1 : 2);\n"
-"X-Generator: Gtranslator 2.91.6\n"
+"X-Generator: Poedit 1.8.7\n"
 
 #: ../data/50-mutter-navigation.xml.in.h:1
 msgid "Navigation"
@@ -31,39 +31,39 @@ msgstr "Navigacija"
 
 #: ../data/50-mutter-navigation.xml.in.h:2
 msgid "Move window to workspace 1"
-msgstr "Perkelti langą į darbalaukį Nr.1"
+msgstr "Perkelti langą į darbo sritį Nr.1"
 
 #: ../data/50-mutter-navigation.xml.in.h:3
 msgid "Move window to workspace 2"
-msgstr "Perkelti langą į darbalaukį Nr.2"
+msgstr "Perkelti langą į darbo sritį Nr.2"
 
 #: ../data/50-mutter-navigation.xml.in.h:4
 msgid "Move window to workspace 3"
-msgstr "Perkelti langą į darbalaukį Nr.3"
+msgstr "Perkelti langą į darbo sritį Nr.3"
 
 #: ../data/50-mutter-navigation.xml.in.h:5
 msgid "Move window to workspace 4"
-msgstr "Perkelti langą į darbalaukį Nr.4"
+msgstr "Perkelti langą į darbo sritį Nr.4"
 
 #: ../data/50-mutter-navigation.xml.in.h:6
 msgid "Move window to last workspace"
-msgstr "Perkelti langą į pastarąjį darbalaukį"
+msgstr "Perkelti langą į pastarąją darbo sritį"
 
 #: ../data/50-mutter-navigation.xml.in.h:7
 msgid "Move window one workspace to the left"
-msgstr "Perkelti langą į kairiau esantį darbalaukį"
+msgstr "Perkelti langą į kairiau esančią darbo sritį"
 
 #: ../data/50-mutter-navigation.xml.in.h:8
 msgid "Move window one workspace to the right"
-msgstr "Perkelti langą į dešiniau esantį darbalaukį"
+msgstr "Perkelti langą į dešiniau esančią darbo sritį"
 
 #: ../data/50-mutter-navigation.xml.in.h:9
 msgid "Move window one workspace up"
-msgstr "Perkelti langą į aukščiau esantį darbalaukį"
+msgstr "Perkelti langą į aukščiau esančią darbo sritį"
 
 #: ../data/50-mutter-navigation.xml.in.h:10
 msgid "Move window one workspace down"
-msgstr "Perkelti langą į žemiau esantį darbalaukį"
+msgstr "Perkelti langą į žemiau esančią darbo sritį"
 
 #: ../data/50-mutter-navigation.xml.in.h:11
 msgid "Move window one monitor to the left"
@@ -143,39 +143,39 @@ msgstr "Paslėpti visus įprastinius langus"
 
 #: ../data/50-mutter-navigation.xml.in.h:30
 msgid "Switch to workspace 1"
-msgstr "Persijungti į darbalaukį Nr.1"
+msgstr "Persijungti į darbo sritį Nr.1"
 
 #: ../data/50-mutter-navigation.xml.in.h:31
 msgid "Switch to workspace 2"
-msgstr "Persijungti į darbalaukį Nr.2"
+msgstr "Persijungti į darbo sritį Nr.2"
 
 #: ../data/50-mutter-navigation.xml.in.h:32
 msgid "Switch to workspace 3"
-msgstr "Persijungti į darbalaukį Nr.3"
+msgstr "Persijungti į darbo sritį Nr.3"
 
 #: ../data/50-mutter-navigation.xml.in.h:33
 msgid "Switch to workspace 4"
-msgstr "Persijungti į darbalaukį Nr.4"
+msgstr "Persijungti į darbo sritį Nr.4"
 
 #: ../data/50-mutter-navigation.xml.in.h:34
 msgid "Switch to last workspace"
-msgstr "Persijungti į pastarąjį darbalaukį"
+msgstr "Persijungti į pastarąją darbo sritį"
 
 #: ../data/50-mutter-navigation.xml.in.h:35
 msgid "Move to workspace left"
-msgstr "Perkelti į darbalaukį kairėje"
+msgstr "Perkelti į darbo sritį kairėje"
 
 #: ../data/50-mutter-navigation.xml.in.h:36
 msgid "Move to workspace right"
-msgstr "Perkelti į darbalaukį dešinėje"
+msgstr "Perkelti į darbo sritį dešinėje"
 
 #: ../data/50-mutter-navigation.xml.in.h:37
 msgid "Move to workspace above"
-msgstr "Perkelti į darbalaukį viršuje"
+msgstr "Perkelti į darbo sritį viršuje"
 
 #: ../data/50-mutter-navigation.xml.in.h:38
 msgid "Move to workspace below"
-msgstr "Perkelti į darbalaukį apačioje"
+msgstr "Perkelti į darbo sritį apačioje"
 
 #: ../data/50-mutter-system.xml.in.h:1
 msgid "System"
@@ -235,7 +235,7 @@ msgstr "Keisti lango dydį"
 
 #: ../data/50-mutter-windows.xml.in.h:12
 msgid "Toggle window on all workspaces or one"
-msgstr "Perjungti lango buvimo visuose darbalaukiuose būseną"
+msgstr "Perjungti lango buvimo visose darbo srityse būseną"
 
 #: ../data/50-mutter-windows.xml.in.h:13
 msgid "Raise window if covered, otherwise lower it"
@@ -272,7 +272,7 @@ msgstr "Mutter"
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:1
 msgid "Modifier to use for extended window management operations"
-msgstr "Klavišas, naudojamas kartu su specialiais lango valdymo veiksmais"
+msgstr "Klavišas, naudojamas kartu su specialiomis lango tvarkymo operacijomis"
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:2
 msgid ""
@@ -315,7 +315,7 @@ msgstr ""
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:7
 msgid "Workspaces are managed dynamically"
-msgstr "Darbalaukiai valdomi dinamiškai"
+msgstr "Darbo sritys tvarkomos dinamiškai"
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:8
 msgid ""
@@ -323,21 +323,21 @@ msgid ""
 "static number of workspaces (determined by the num-workspaces key in org."
 "gnome.desktop.wm.preferences)."
 msgstr ""
-"Nusako, ar darbastaliai yra valdomi dinamiškai, ar yra pastovus darbalaukių "
-"skaičius (nusakomas raktu num-workspaces schemoje org.gnome.desktop.wm."
-"preferences)."
+"Nusako, ar darbo sritys yra tvarkomos dinamiškai, ar yra pastovus darbo "
+"sričių skaičius (nusakomas raktu num-workspaces schemoje org.gnome.desktop."
+"wm.preferences)."
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:9
 msgid "Workspaces only on primary"
-msgstr "Darbalaukiai tik pagrindiniame"
+msgstr "Darbo sritys tik pagrindiniame"
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:10
 msgid ""
 "Determines whether workspace switching should happen for windows on all "
 "monitors or only for windows on the primary monitor."
 msgstr ""
-"Nusako, ar darbalaukių perjungimas turi įvykti langams viusose monitoriuose, "
-"ar tik langams pagrindiniame monitoriuje."
+"Nusako, ar darbo sričių perjungimas turi įvykti langams visuose "
+"monitoriuose, ar tik langams pagrindiniame monitoriuje."
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:11
 msgid "No tab popup"
@@ -438,46 +438,41 @@ msgid "Switch to VT 7"
 msgstr "Persijungti į VT 7"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:8
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 8"
 msgstr "Persijungti į VT 8"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:9
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 9"
 msgstr "Persijungti į VT 9"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:10
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 10"
 msgstr "Persijungti į VT 10"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:11
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 11"
 msgstr "Persijungti į VT 11"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:12
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 12"
 msgstr "Persijungti į VT 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Integruotas vaizduoklis"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Nežinomas"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Nežinomas vaizduoklis"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -489,7 +484,7 @@ msgstr "%s %s"
 msgid ""
 "Another compositing manager is already running on screen %i on display \"%s"
 "\"."
-msgstr "Kita kompozicijos valdyklė jau veikia ekrane %i vaizduoklyje „%s“."
+msgstr "Kita kompozicijos tvarkytuvė jau veikia ekrane %i vaizduoklyje „%s“."
 
 #: ../src/core/bell.c:185
 msgid "Bell event"
@@ -518,42 +513,46 @@ msgstr "_Laukti"
 msgid "_Force Quit"
 msgstr "_Priverstinai išeiti"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Nepavyko atverti X Window sistemos ekrano „%s“\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
-msgstr "Išjungti susijungimą su sesijos valdykle"
+msgstr "Išjungti susijungimą su sesijos tvarkytuve"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
-msgstr "Pakeisti veikiančią langų valdyklę"
-
-#: ../src/core/main.c:188
-msgid "Specify session management ID"
-msgstr "Nurodyti sesijos valdymo ID"
+msgstr "Pakeisti veikiančią langų tvarkytuvę"
 
 #: ../src/core/main.c:193
+msgid "Specify session management ID"
+msgstr "Nurodyti sesijos tvarkymo ID"
+
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Naudotinas X ekranas"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Inicializuoti sesiją iš išsaugojimo failo"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Sinchronizuoti X iškvietimus"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Vykdyti kaip wayland kompozitorių"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Vykdyti kaip įdėtinį kompozitorių"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
-msgstr "Vykdyti kaip visą vaizduoklio serverį, o ne vidinį"
+msgstr "Vykdyti kaip visą vaizduoklio serverį, o ne įdėtinį"
 
 #: ../src/core/mutter.c:39
 #, c-format
@@ -580,29 +579,26 @@ msgstr "Parodyti versiją"
 msgid "Mutter plugin to use"
 msgstr "Naudojamas Mutter įskiepis"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
-msgstr "Darbalaukis %d"
+msgstr "Darbo sritis %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
-#| msgid ""
-#| "Screen %d on display \"%s\" already has a window manager; try using the --"
-#| "replace option to replace the current window manager.\n"
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
 "to replace the current window manager."
 msgstr ""
-"Vaizduoklis „%s“ jau turi langų valdyklę; pabandykite pakeisti esamą langų "
-"valdyklę naudodami parametrą --replace."
+"Vaizduoklis „%s“ jau turi langų tvarkytuvę; pabandykite pakeisti esamą langų "
+"tvarkytuvę, naudodami parametrą --replace."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Ekranas %d vaizduoklyje „%s“ netinkamas\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter buvo sukompiliuota be išsamaus veikimo veiksenos\n"
 

po/pl.po

@@ -9,14 +9,14 @@
 # Marek Stępień <marcoos@aviary.pl>, 2007.
 # Wadim Dziedzic <wdziedzic@aviary.pl>, 2007.
 # Tomasz Dominikowski <dominikowski@gmail.com>, 2008-2009.
-# Piotr Drąg <piotrdrag@gmail.com>, 2010-2015.
-# Aviary.pl <gnomepl@aviary.pl>, 2007-2015.
+# Piotr Drąg <piotrdrag@gmail.com>, 2010-2016.
+# Aviary.pl <gnomepl@aviary.pl>, 2007-2016.
 msgid ""
 msgstr ""
 "Project-Id-Version: mutter\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-08-26 18:49+0200\n"
-"PO-Revision-Date: 2015-08-26 18:50+0200\n"
+"POT-Creation-Date: 2016-02-25 17:29+0100\n"
+"PO-Revision-Date: 2016-02-25 17:30+0100\n"
 "Last-Translator: Piotr Drąg <piotrdrag@gmail.com>\n"
 "Language-Team: Polish <gnomepl@aviary.pl>\n"
 "Language: pl\n"
@@ -285,10 +285,10 @@ msgid ""
 "\"Windows key\" on PC hardware. It's expected that this binding either the "
 "default or set to the empty string."
 msgstr ""
-"Ten klawisz inicjuje tryb „overlay”, który jest połączeniem podglądu okien i "
-"systemu uruchamiania programów. Domyślnie jest przeznaczony do powiązania z "
-"klawiszem „Windows” na komputerach typu PC. Ustawienie tego powiązania "
-"powinno być domyślne lub puste."
+"Ten klawisz inicjuje tryb „overlay” (nakładki), który jest połączeniem "
+"podglądu okien i systemu uruchamiania programów. Domyślnie jest przeznaczony "
+"do powiązania z klawiszem „Windows” na komputerach typu PC. Ustawienie tego "
+"powiązania powinno być domyślne lub puste."
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:3
 msgid "Attach modal dialogs"
@@ -332,8 +332,8 @@ msgid ""
 "gnome.desktop.wm.preferences)."
 msgstr ""
 "Określa, czy obszary robocze są zarządzane dynamicznie, czy istnieje "
-"statyczna liczba obszarów (określona przez klucz „num-workspaces” w org."
-"gnome.desktop.wm.preferences)."
+"statyczna liczba obszarów (określona przez klucz „num-workspaces” w „org."
+"gnome.desktop.wm.preferences”)."
 
 #: ../data/org.gnome.mutter.gschema.xml.in.h:9
 msgid "Workspaces only on primary"
@@ -468,22 +468,22 @@ msgstr "Przełączenie na 11. konsolę wirtualną"
 msgid "Switch to VT 12"
 msgstr "Przełączenie na 12. konsolę wirtualną"
 
-#: ../src/backends/meta-monitor-manager.c:500
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Wbudowany ekran"
 
-#: ../src/backends/meta-monitor-manager.c:526
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Nieznany"
 
-#: ../src/backends/meta-monitor-manager.c:528
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Nieznany ekran"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:536
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -525,42 +525,46 @@ msgstr "_Czekaj"
 msgid "_Force Quit"
 msgstr "_Zakończ"
 
-#: ../src/core/display.c:563
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Otwarcie połączenia z ekranem „%s” systemu X Window się nie powiodło\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Rozłącza połączenie z menedżerem sesji"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Zastępuje uruchomionego menedżera okien"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Podaje identyfikator zarządzania sesją"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Używany ekran X"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Inicjuje sesję z zapisanego pliku"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Synchroniczne wywołania X"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Uruchamia jako menedżer składania Wayland"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Uruchamia jako osadzony menedżer składania"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
-msgstr "Uruchamia pełny serwer wyświetlania zamiast osadzonego"
+msgstr "Uruchamia jako pełny serwer wyświetlania zamiast osadzonego"
 
 #: ../src/core/mutter.c:39
 #, c-format
@@ -572,7 +576,7 @@ msgid ""
 "PARTICULAR PURPOSE.\n"
 msgstr ""
 "mutter %s\n"
-"Copyright (C) 2001—%d Havoc Pennington, Red Hat, Inc., oraz inni\n"
+"Copyright (C) 2001-%d Havoc Pennington, Red Hat, Inc., oraz inni\n"
 "Niniejszy program jest wolnym oprogramowaniem, aby poznać warunki, pod\n"
 "jakimi dopuszczalne jest kopiowanie programu, zajrzyj do jego źródeł.\n"
 "Na program nie udziela się ŻADNYCH GWARANCJI, nawet domyślnej gwarancji\n"
@@ -584,23 +588,23 @@ msgstr "Wyświetla wersję"
 
 #: ../src/core/mutter.c:59
 msgid "Mutter plugin to use"
-msgstr "Używana wtyczka programu Mutter"
+msgstr "Używana wtyczka menedżera Mutter"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
-msgstr "Obszar roboczy %d"
+msgstr "%d. obszar roboczy"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
 "to replace the current window manager."
 msgstr ""
 "Na ekranie „%s” działa już menedżer okien. Aby zastąpić działającego "
-"menedżera okien, proszę spróbować użyć opcji --replace."
+"menedżera okien, należy użyć opcji „--replace”."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Podekran %d ekranu „%s” jest nieprawidłowy\n"
@@ -608,7 +612,7 @@ msgstr "Podekran %d ekranu „%s” jest nieprawidłowy\n"
 #: ../src/core/util.c:118
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr ""
-"Program Mutter został skompilowany bez obsługi trybu z obszerną informacją\n"
+"Menedżer Mutter został skompilowany bez obsługi trybu z obszerną informacją\n"
 
 #: ../src/x11/session.c:1815
 msgid ""

po/pt_BR.po

@@ -15,22 +15,23 @@
 # Rodrigo Padula de Oliveira <contato@rodrigopadula.com>, 2011.
 # Rafael Ferreira <rafael.f.f1@gmail.com>, 2013, 2014.
 # Enrico Nicoletto <liverig@gmail.com>, 2012, 2014.
+# Artur de Aquino Morais <artur.morais93@outlook.com>, 2016.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: mutter\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-02-26 11:24+0000\n"
-"PO-Revision-Date: 2015-02-26 17:36-0300\n"
-"Last-Translator: Rafael Ferreira <rafael.f.f1@gmail.com>\n"
+"POT-Creation-Date: 2016-02-25 13:40+0000\n"
+"PO-Revision-Date: 2016-02-25 13:41-0300\n"
+"Last-Translator: Artur de Aquino Morais <artur.morais93@outlook.com>\n"
 "Language-Team: Brazilian Portuguese <gnome-pt_br-list@gnome.org>\n"
 "Language: pt_BR\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
-"X-Generator: Poedit 1.7.4\n"
+"X-Generator: Poedit 1.8.4\n"
 
 #: ../data/50-mutter-navigation.xml.in.h:1
 msgid "Navigation"
@@ -472,22 +473,22 @@ msgstr "Trocar para o VT 11"
 msgid "Switch to VT 12"
 msgstr "Trocar para o VT 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Tela embutida"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Desconhecido"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Monitor desconhecido"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s de %s"
@@ -531,40 +532,44 @@ msgstr "_Esperar"
 msgid "_Force Quit"
 msgstr "_Forçar sair"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Falha ao abrir a exibição \"%s\" do sistema de janelas X\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Desabilitar a conexão com o gerenciador de sessões"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Substituir o gerenciador de janelas em execução"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Especificar o ID do gerenciador de sessões"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Exibição do X a ser utilizada"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Inicializar a sessão a partir do arquivo salvo"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Fazer X chamadas síncronas"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Executar como um compositor wayland"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Executar como um compositor aninhado"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Executar como um servidor de tela cheia, ao invés de aninhado"
 
@@ -592,12 +597,12 @@ msgstr "Versão impressa"
 msgid "Mutter plugin to use"
 msgstr "Plug-in do Mutter para usar"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Espaço de trabalho %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -606,7 +611,7 @@ msgstr ""
 "A exibição \"%s\" já possui um gerenciador de janelas; tente usar a opção --"
 "replace para substituir o gerenciador de janelas atual."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "A tela %d na exibição \"%s\" é inválida\n"

po/ru.po

@@ -9,15 +9,16 @@
 # Yuri Kozlov <yuray@komyakino.ru>, 2011.
 # Yuri Myasoedov <ymyasoedov@yandex.ru>, 2012-2014, 2015.
 # Ivan Komaritsyn <vantu5z@mail.ru>, 2015.
+# Stas Solovey <whats_up@tut.by>, 2016.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: metacity ru\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-02-19 23:11+0000\n"
-"PO-Revision-Date: 2015-02-20 13:59+0300\n"
-"Last-Translator: Ivan Komaritsyn <vantu5z@mail.ru>\n"
+"POT-Creation-Date: 2016-03-03 01:44+0000\n"
+"PO-Revision-Date: 2016-03-03 13:51+0300\n"
+"Last-Translator: Stas Solovey <whats_up@tut.by>\n"
 "Language-Team: Русский <gnome-cyr@gnome.org>\n"
 "Language: ru\n"
 "MIME-Version: 1.0\n"
@@ -25,7 +26,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
 "%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)\n"
-"X-Generator: Gtranslator 2.91.6\n"
+"X-Generator: Gtranslator 2.91.7\n"
 
 #: ../data/50-mutter-navigation.xml.in.h:1
 msgid "Navigation"
@@ -441,46 +442,41 @@ msgid "Switch to VT 7"
 msgstr "Переключиться на виртуальный терминал 7"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:8
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 8"
 msgstr "Переключиться на виртуальный терминал 8"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:9
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 9"
 msgstr "Переключиться на виртуальный терминал 9"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:10
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 10"
 msgstr "Переключиться на виртуальный терминал 10"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:11
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 11"
 msgstr "Переключиться на виртуальный терминал 11"
 
 #: ../data/org.gnome.mutter.wayland.gschema.xml.in.h:12
-#| msgid "Switch to VT 1"
 msgid "Switch to VT 12"
 msgstr "Переключиться на виртуальный терминал 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Встроенный дисплей"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Неизвестный"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Неизвестный дисплей"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -521,40 +517,45 @@ msgstr "_Подождать"
 msgid "_Force Quit"
 msgstr "Завер_шить"
 
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Не удалось открыть дисплей «%s» системы X Window\n"
 
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Запретить подключение к менеджеру сеансов"
 
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Заменить запущенный оконный менеджер"
 
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Указать идентификатор управления сеансом"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "Используемый дисплей X"
 
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Инициализировать сеанс из сохранённого файла"
 
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Сделать X-вызовы синхронными"
 
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Запустить в качестве композитора wayland"
 
-#: ../src/core/main.c:220
+#: ../src/core/main.c:223
+#| msgid "Run as a wayland compositor"
+msgid "Run as a nested compositor"
+msgstr "Запустить в качестве встроенного композитора"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Запустить в качестве полноэкранного сервера вместо встроенного"
 
@@ -583,12 +584,12 @@ msgstr "Вывести версию"
 msgid "Mutter plugin to use"
 msgstr "Использовать модуль mutter"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Рабочее место %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -597,12 +598,12 @@ msgstr ""
 "Дисплей «%s» уже использует менеджер окон; попробуйте использовать параметр "
 "--replace, чтобы заменить текущий менеджер окон."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Недопустимый экран %d дисплея «%s»\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter собран без поддержки режима подробных сообщений\n"
 

po/sk.po

@@ -14,8 +14,8 @@ msgstr ""
 "Project-Id-Version: mutter\n"
 "Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
 "product=mutter&keywords=I18N+L10N&component=general\n"
-"POT-Creation-Date: 2015-02-21 23:27+0000\n"
-"PO-Revision-Date: 2015-02-22 11:11+0100\n"
+"POT-Creation-Date: 2016-03-01 13:42+0000\n"
+"PO-Revision-Date: 2016-03-01 20:40+0100\n"
 "Last-Translator: Dušan Kazik <prescott66@gmail.com>\n"
 "Language-Team: Slovak <gnome-sk-list@gnome.org>\n"
 "Language: sk\n"
@@ -23,7 +23,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n==1) ? 1 : (n>=2 && n<=4) ? 2 : 0;\n"
-"X-Generator: Poedit 1.7.4\n"
+"X-Generator: Poedit 1.8.7\n"
 
 #: ../data/50-mutter-navigation.xml.in.h:1
 msgid "Navigation"
@@ -542,22 +542,22 @@ msgstr "Prepnúť na VT č. 11"
 msgid "Switch to VT 12"
 msgstr "Prepnúť na VT č. 12"
 
-#: ../src/backends/meta-monitor-manager.c:364
+#: ../src/backends/meta-monitor-manager.c:518
 msgid "Built-in display"
 msgstr "Vstavaný displej"
 
-#: ../src/backends/meta-monitor-manager.c:391
+#: ../src/backends/meta-monitor-manager.c:544
 msgid "Unknown"
 msgstr "Neznámy"
 
-#: ../src/backends/meta-monitor-manager.c:393
+#: ../src/backends/meta-monitor-manager.c:546
 msgid "Unknown Display"
 msgstr "Neznámy displej"
 
 #. TRANSLATORS: this is a monitor vendor name, followed by a
 #. * size in inches, like 'Dell 15"'
 #.
-#: ../src/backends/meta-monitor-manager.c:401
+#: ../src/backends/meta-monitor-manager.c:554
 #, c-format
 msgid "%s %s"
 msgstr "%s %s"
@@ -602,46 +602,51 @@ msgid "_Force Quit"
 msgstr "_Vynútiť ukončenie"
 
 # X window system preloz, napr. system na spravu okien X
-#: ../src/core/display.c:562
+#: ../src/core/display.c:555
 #, c-format
 msgid "Failed to open X Window System display '%s'\n"
 msgstr "Zlyhalo otvorenie displeja systému na správu okien X „%s“\n"
 
 # cmd desc
-#: ../src/core/main.c:176
+#: ../src/core/main.c:181
 msgid "Disable connection to session manager"
 msgstr "Zakáže pripojenia k správcovi relácií"
 
 # cmd desc
-#: ../src/core/main.c:182
+#: ../src/core/main.c:187
 msgid "Replace the running window manager"
 msgstr "Nahradí bežiaceho správcu okien"
 
 # cmd desc
-#: ../src/core/main.c:188
+#: ../src/core/main.c:193
 msgid "Specify session management ID"
 msgstr "Zadá identifikátor správy relácií"
 
-#: ../src/core/main.c:193
+#: ../src/core/main.c:198
 msgid "X Display to use"
 msgstr "X displej, ktorý bude použitý"
 
 # cmd desc
-#: ../src/core/main.c:199
+#: ../src/core/main.c:204
 msgid "Initialize session from savefile"
 msgstr "Inicializuje reláciu z uloženého súboru"
 
 # cmd desc
-#: ../src/core/main.c:205
+#: ../src/core/main.c:210
 msgid "Make X calls synchronous"
 msgstr "Použije synchrónne volania X"
 
 # cmd desc
-#: ../src/core/main.c:212
+#: ../src/core/main.c:217
 msgid "Run as a wayland compositor"
 msgstr "Spustí ako kompozitor protokolu wayland"
 
-#: ../src/core/main.c:220
+# cmd desc
+#: ../src/core/main.c:223
+msgid "Run as a nested compositor"
+msgstr "Spustí ako kompozitor s vnoreným režimom"
+
+#: ../src/core/main.c:231
 msgid "Run as a full display server, rather than nested"
 msgstr "Spustí ako plnohodnotný zobrazovací server, namiesto vnoreného režimu"
 
@@ -670,12 +675,12 @@ msgstr "Zobrazí verziu"
 msgid "Mutter plugin to use"
 msgstr "Použije zásuvný modul Mutter"
 
-#: ../src/core/prefs.c:2004
+#: ../src/core/prefs.c:1997
 #, c-format
 msgid "Workspace %d"
 msgstr "Pracovný priestor č. %d"
 
-#: ../src/core/screen.c:525
+#: ../src/core/screen.c:521
 #, c-format
 msgid ""
 "Display \"%s\" already has a window manager; try using the --replace option "
@@ -684,12 +689,12 @@ msgstr ""
 "Displej „%s“ už má správcu okien. Skúste použiť prepínač --replace, aby sa "
 "aktuálny správca nahradil."
 
-#: ../src/core/screen.c:607
+#: ../src/core/screen.c:603
 #, c-format
 msgid "Screen %d on display '%s' is invalid\n"
 msgstr "Obrazovka č. %d na displeji „%s“ nie je platná\n"
 
-#: ../src/core/util.c:118
+#: ../src/core/util.c:121
 msgid "Mutter was compiled without support for verbose mode\n"
 msgstr "Mutter bol skompilovaný bez výpisu podrobností pri behu\n"
 

src/Makefile-tests.am

@@ -9,6 +9,7 @@ dist_stacking_DATA =				\
 	tests/stacking/basic-wayland.metatest	\
 	tests/stacking/minimized.metatest   	\
 	tests/stacking/mixed-windows.metatest   \
+	tests/stacking/set-parent.metatest	\
 	tests/stacking/override-redirect.metatest
 
 mutter-all.test: tests/mutter-all.test.in
@@ -18,9 +19,9 @@ installedtestsdir = $(datadir)/installed-tests/mutter
 installedtests_DATA = mutter-all.test
 
 installedtestsbindir = $(libexecdir)/installed-tests/mutter
-installedtestsbin_PROGRAMS = mutter-test-client mutter-test-runner
+installedtestsbin_PROGRAMS = mutter-test-client mutter-test-runner mutter-test-unit-tests
 else
-noinst_PROGRAMS += mutter-test-client mutter-test-runner
+noinst_PROGRAMS += mutter-test-client mutter-test-runner mutter-test-unit-tests
 endif
 
 EXTRA_DIST += tests/mutter-all.test.in
@@ -31,11 +32,19 @@ mutter_test_client_LDADD = $(MUTTER_LIBS) libmutter.la
 mutter_test_runner_SOURCES = tests/test-runner.c
 mutter_test_runner_LDADD = $(MUTTER_LIBS) libmutter.la
 
-.PHONY: run-tests
+mutter_test_unit_tests_SOURCES = tests/unit-tests.c
+mutter_test_unit_tests_LDADD = $(MUTTER_LIBS) libmutter.la
 
-run-tests: mutter-test-client mutter-test-runner
+.PHONY: run-tests run-test-runner-tests run-unit-tests
+
+run-test-runner-tests: mutter-test-client mutter-test-runner
 	./mutter-test-runner $(dist_stacking_DATA)
 
+run-unit-tests: mutter-test-unit-tests
+	./mutter-test-unit-tests
+
+run-tests: run-test-runner-tests run-unit-tests
+
 endif
 
 # Some random test programs for bits of the code

src/Makefile.am

@@ -45,19 +45,24 @@ mutter_built_sources = \
 
 if HAVE_WAYLAND
 mutter_built_sources += \
-	pointer-gestures-protocol.c		\
-	pointer-gestures-server-protocol.h	\
+	pointer-gestures-unstable-v1-protocol.c				\
+	pointer-gestures-unstable-v1-server-protocol.h			\
 	gtk-shell-protocol.c			\
 	gtk-shell-server-protocol.h		\
-	xdg-shell-protocol.c			\
-	xdg-shell-server-protocol.h		\
+	gtk-primary-selection-protocol.c				\
+	gtk-primary-selection-server-protocol.h				\
+	xdg-shell-unstable-v5-protocol.c				\
+	xdg-shell-unstable-v5-server-protocol.h				\
+	relative-pointer-unstable-v1-protocol.c				\
+	relative-pointer-unstable-v1-server-protocol.h			\
+	pointer-constraints-unstable-v1-protocol.c			\
+	pointer-constraints-unstable-v1-server-protocol.h		\
 	$(NULL)
 endif
 
 wayland_protocols =				\
-	wayland/protocol/pointer-gestures.xml	\
 	wayland/protocol/gtk-shell.xml		\
-	wayland/protocol/xdg-shell.xml		\
+	wayland/protocol/gtk-primary-selection.xml	\
 	$(NULL)
 
 libmutter_la_SOURCES =				\
@@ -86,6 +91,8 @@ libmutter_la_SOURCES =				\
 	backends/meta-monitor-manager-private.h	\
 	backends/meta-monitor-manager-dummy.c	\
 	backends/meta-monitor-manager-dummy.h	\
+	backends/meta-pointer-constraint.c	\
+	backends/meta-pointer-constraint.h	\
 	backends/meta-stage.h			\
 	backends/meta-stage.c			\
 	backends/edid-parse.c			\
@@ -96,6 +103,8 @@ libmutter_la_SOURCES =				\
 	backends/x11/meta-barrier-x11.h			\
 	backends/x11/meta-cursor-renderer-x11.c		\
 	backends/x11/meta-cursor-renderer-x11.h		\
+	backends/x11/nested/meta-cursor-renderer-x11-nested.c		\
+	backends/x11/nested/meta-cursor-renderer-x11-nested.h		\
 	backends/x11/meta-idle-monitor-xsync.c		\
 	backends/x11/meta-idle-monitor-xsync.h		\
 	backends/x11/meta-input-settings-x11.c		\
@@ -110,6 +119,8 @@ libmutter_la_SOURCES =				\
 	core/boxes.c				\
 	core/boxes-private.h			\
 	meta/boxes.h				\
+	core/meta-border.c			\
+	core/meta-border.h			\
 	compositor/clutter-utils.c		\
 	compositor/clutter-utils.h		\
 	compositor/cogl-utils.c			\
@@ -190,6 +201,8 @@ libmutter_la_SOURCES =				\
 	core/screen.c				\
 	core/screen-private.h			\
 	meta/screen.h				\
+	core/startup-notification.c		\
+	core/startup-notification-private.h	\
 	meta/types.h				\
 	core/restart.c				\
 	core/stack.c				\
@@ -264,6 +277,12 @@ libmutter_la_SOURCES +=				\
 	wayland/meta-wayland-keyboard.h		\
 	wayland/meta-wayland-pointer.c		\
 	wayland/meta-wayland-pointer.h		\
+	wayland/meta-wayland-pointer-constraints.c	\
+	wayland/meta-wayland-pointer-constraints.h	\
+	wayland/meta-pointer-lock-wayland.c		\
+	wayland/meta-pointer-lock-wayland.h		\
+	wayland/meta-pointer-confinement-wayland.c	\
+	wayland/meta-pointer-confinement-wayland.h	\
 	wayland/meta-wayland-popup.c		\
 	wayland/meta-wayland-popup.h		\
 	wayland/meta-wayland-seat.c		\
@@ -479,6 +498,20 @@ $(dbus_login1_built_sources) : Makefile.am org.freedesktop.login1.xml
 		--generate-c-code meta-dbus-login1					\
 		$(srcdir)/org.freedesktop.login1.xml
 
+.SECONDEXPANSION:
+
+define protostability
+$(shell echo $1 | sed 's/.*\(\<unstable\>\|\<stable\>\).*/\1/')
+endef
+
+define protoname
+$(shell echo $1 | sed 's/\([a-z\-]\+\)-[a-z]\+-v[0-9]\+/\1/')
+endef
+
+%-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/$$(call protostability,$$*)/$$(call protoname,$$*)/$$*.xml
+	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+%-server-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/$$(call protostability,$$*)/$$(call protoname,$$*)/$$*.xml
+	$(AM_V_GEN)$(WAYLAND_SCANNER) server-header < $< > $@
 %-protocol.c : $(srcdir)/wayland/protocol/%.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
 %-server-protocol.h : $(srcdir)/wayland/protocol/%.xml

src/backends/meta-backend-private.h

@@ -34,6 +34,7 @@
 #include <meta/meta-idle-monitor.h>
 #include "meta-cursor-renderer.h"
 #include "meta-monitor-manager-private.h"
+#include "backends/meta-pointer-constraint.h"
 
 #define DEFAULT_XKB_RULES_FILE "evdev"
 #define DEFAULT_XKB_MODEL "pc105+inet"
@@ -51,6 +52,8 @@ struct _MetaBackend
 
   GHashTable *device_monitors;
   gint current_device_id;
+
+  MetaPointerConstraint *client_pointer_constraint;
 };
 
 struct _MetaBackendClass
@@ -87,6 +90,13 @@ struct _MetaBackendClass
 
   void (* update_screen_size) (MetaBackend *backend, int width, int height);
   void (* select_stage_events) (MetaBackend *backend);
+
+  gboolean (* get_relative_motion_deltas) (MetaBackend *backend,
+                                           const        ClutterEvent *event,
+                                           double       *dx,
+                                           double       *dy,
+                                           double       *dx_unaccel,
+                                           double       *dy_unaccel);
 };
 
 MetaIdleMonitor * meta_backend_get_idle_monitor (MetaBackend *backend,
@@ -110,4 +120,14 @@ struct xkb_keymap * meta_backend_get_keymap (MetaBackend *backend);
 void meta_backend_update_last_device (MetaBackend *backend,
                                       int          device_id);
 
+gboolean meta_backend_get_relative_motion_deltas (MetaBackend *backend,
+                                                  const        ClutterEvent *event,
+                                                  double       *dx,
+                                                  double       *dy,
+                                                  double       *dx_unaccel,
+                                                  double       *dy_unaccel);
+
+void meta_backend_set_client_pointer_constraint (MetaBackend *backend,
+                                                 MetaPointerConstraint *constraint);
+
 #endif /* META_BACKEND_PRIVATE_H */

src/backends/meta-backend.c

@@ -24,6 +24,8 @@
 
 #include "config.h"
 
+#include <stdlib.h>
+
 #include <meta/meta-backend.h>
 #include "meta-backend-private.h"
 #include "meta-input-settings-private.h"
@@ -62,6 +64,8 @@ struct _MetaBackendPrivate
   MetaInputSettings *input_settings;
 
   ClutterActor *stage;
+
+  guint device_update_idle_id;
 };
 typedef struct _MetaBackendPrivate MetaBackendPrivate;
 
@@ -76,6 +80,9 @@ meta_backend_finalize (GObject *object)
   g_clear_object (&priv->monitor_manager);
   g_clear_object (&priv->input_settings);
 
+  if (priv->device_update_idle_id)
+    g_source_remove (priv->device_update_idle_id);
+
   g_hash_table_destroy (backend->device_monitors);
 
   G_OBJECT_CLASS (meta_backend_parent_class)->finalize (object);
@@ -351,6 +358,17 @@ meta_backend_real_select_stage_events (MetaBackend *backend)
   /* Do nothing */
 }
 
+static gboolean
+meta_backend_real_get_relative_motion_deltas (MetaBackend *backend,
+                                             const         ClutterEvent *event,
+                                             double        *dx,
+                                             double        *dy,
+                                             double        *dx_unaccel,
+                                             double        *dy_unaccel)
+{
+  return FALSE;
+}
+
 static void
 meta_backend_class_init (MetaBackendClass *klass)
 {
@@ -364,6 +382,7 @@ meta_backend_class_init (MetaBackendClass *klass)
   klass->ungrab_device = meta_backend_real_ungrab_device;
   klass->update_screen_size = meta_backend_real_update_screen_size;
   klass->select_stage_events = meta_backend_real_select_stage_events;
+  klass->get_relative_motion_deltas = meta_backend_real_get_relative_motion_deltas;
 
   g_signal_new ("keymap-changed",
                 G_TYPE_FROM_CLASS (object_class),
@@ -503,12 +522,44 @@ meta_backend_get_stage (MetaBackend *backend)
   return priv->stage;
 }
 
+static gboolean
+update_last_device (MetaBackend *backend)
+{
+  MetaCursorTracker *cursor_tracker = meta_cursor_tracker_get_for_screen (NULL);
+  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
+  ClutterInputDeviceType device_type;
+  ClutterDeviceManager *manager;
+  ClutterInputDevice *device;
+
+  priv->device_update_idle_id = 0;
+  manager = clutter_device_manager_get_default ();
+  device = clutter_device_manager_get_device (manager,
+                                              backend->current_device_id);
+  device_type = clutter_input_device_get_device_type (device);
+
+  g_signal_emit_by_name (backend, "last-device-changed",
+                         backend->current_device_id);
+
+  switch (device_type)
+    {
+    case CLUTTER_KEYBOARD_DEVICE:
+      break;
+    case CLUTTER_TOUCHSCREEN_DEVICE:
+      meta_cursor_tracker_set_pointer_visible (cursor_tracker, FALSE);
+      break;
+    default:
+      meta_cursor_tracker_set_pointer_visible (cursor_tracker, TRUE);
+      break;
+    }
+
+  return G_SOURCE_REMOVE;
+}
+
 void
 meta_backend_update_last_device (MetaBackend *backend,
                                  int          device_id)
 {
-  ClutterInputDeviceType device_type;
-  MetaCursorTracker *cursor_tracker;
+  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
   ClutterDeviceManager *manager;
   ClutterInputDevice *device;
 
@@ -522,26 +573,43 @@ meta_backend_update_last_device (MetaBackend *backend,
       clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER)
     return;
 
-  device_type = clutter_input_device_get_device_type (device);
-
-  cursor_tracker = meta_cursor_tracker_get_for_screen (NULL);
   backend->current_device_id = device_id;
-  g_signal_emit_by_name (backend, "last-device-changed", device_id);
 
-  if (device_type == CLUTTER_KEYBOARD_DEVICE)
-    return;
-
-  switch (device_type)
+  if (priv->device_update_idle_id == 0)
     {
-    case CLUTTER_TOUCHSCREEN_DEVICE:
-      meta_cursor_tracker_set_pointer_visible (cursor_tracker, FALSE);
-      break;
-    default:
-      meta_cursor_tracker_set_pointer_visible (cursor_tracker, TRUE);
-      break;
+      priv->device_update_idle_id =
+        g_idle_add ((GSourceFunc) update_last_device, backend);
+      g_source_set_name_by_id (priv->device_update_idle_id,
+                               "[mutter] update_last_device");
     }
 }
 
+gboolean
+meta_backend_get_relative_motion_deltas (MetaBackend *backend,
+                                         const        ClutterEvent *event,
+                                         double       *dx,
+                                         double       *dy,
+                                         double       *dx_unaccel,
+                                         double       *dy_unaccel)
+{
+  MetaBackendClass *klass = META_BACKEND_GET_CLASS (backend);
+  return klass->get_relative_motion_deltas (backend,
+                                            event,
+                                            dx, dy,
+                                            dx_unaccel, dy_unaccel);
+}
+
+void
+meta_backend_set_client_pointer_constraint (MetaBackend           *backend,
+                                            MetaPointerConstraint *constraint)
+{
+  g_assert (!constraint || (constraint && !backend->client_pointer_constraint));
+
+  g_clear_object (&backend->client_pointer_constraint);
+  if (constraint)
+    backend->client_pointer_constraint = g_object_ref (constraint);
+}
+
 static GType
 get_backend_type (void)
 {
@@ -626,7 +694,10 @@ meta_clutter_init (void)
   meta_create_backend ();
 
   if (clutter_init (NULL, NULL) != CLUTTER_INIT_SUCCESS)
-    g_error ("Unable to initialize Clutter.\n");
+    {
+      g_warning ("Unable to initialize Clutter.\n");
+      exit (1);
+    }
 
   /*
    * XXX: We cannot handle high dpi scaling yet, so fix the scale to 1

src/backends/meta-barrier-private.h

@@ -26,6 +26,8 @@
 #ifndef META_BARRIER_PRIVATE_H
 #define META_BARRIER_PRIVATE_H
 
+#include "core/meta-border.h"
+
 G_BEGIN_DECLS
 
 #define META_TYPE_BARRIER_IMPL            (meta_barrier_impl_get_type ())
@@ -67,14 +69,7 @@ G_END_DECLS
 struct _MetaBarrierPrivate
 {
   MetaDisplay *display;
-
-  int x1;
-  int y1;
-  int x2;
-  int y2;
-
-  MetaBarrierDirection directions;
-
+  MetaBorder border;
   MetaBarrierImpl *impl;
 };
 

src/backends/meta-barrier.c

@@ -61,19 +61,20 @@ meta_barrier_get_property (GObject    *object,
       g_value_set_object (value, priv->display);
       break;
     case PROP_X1:
-      g_value_set_int (value, priv->x1);
+      g_value_set_int (value, priv->border.line.a.x);
       break;
     case PROP_Y1:
-      g_value_set_int (value, priv->y1);
+      g_value_set_int (value, priv->border.line.a.y);
       break;
     case PROP_X2:
-      g_value_set_int (value, priv->x2);
+      g_value_set_int (value, priv->border.line.b.x);
       break;
     case PROP_Y2:
-      g_value_set_int (value, priv->y2);
+      g_value_set_int (value, priv->border.line.b.y);
       break;
     case PROP_DIRECTIONS:
-      g_value_set_flags (value, priv->directions);
+      g_value_set_flags (value,
+                         meta_border_get_allows_directions (&priv->border));
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -95,19 +96,20 @@ meta_barrier_set_property (GObject      *object,
       priv->display = g_value_get_object (value);
       break;
     case PROP_X1:
-      priv->x1 = g_value_get_int (value);
+      priv->border.line.a.x = g_value_get_int (value);
       break;
     case PROP_Y1:
-      priv->y1 = g_value_get_int (value);
+      priv->border.line.a.y = g_value_get_int (value);
       break;
     case PROP_X2:
-      priv->x2 = g_value_get_int (value);
+      priv->border.line.b.x = g_value_get_int (value);
       break;
     case PROP_Y2:
-      priv->y2 = g_value_get_int (value);
+      priv->border.line.b.y = g_value_get_int (value);
       break;
     case PROP_DIRECTIONS:
-      priv->directions = g_value_get_flags (value);
+      meta_border_set_allows_directions (&priv->border,
+                                         g_value_get_flags (value));
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -166,7 +168,8 @@ meta_barrier_constructed (GObject *object)
   MetaBarrier *barrier = META_BARRIER (object);
   MetaBarrierPrivate *priv = barrier->priv;
 
-  g_return_if_fail (priv->x1 == priv->x2 || priv->y1 == priv->y2);
+  g_return_if_fail (priv->border.line.a.x == priv->border.line.b.x ||
+                    priv->border.line.a.y == priv->border.line.b.y);
 
 #if defined(HAVE_NATIVE_BACKEND)
   if (META_IS_BACKEND_NATIVE (meta_get_backend ()))

src/backends/meta-cursor-renderer.c

@@ -27,6 +27,8 @@
 #include "meta-cursor-renderer.h"
 
 #include <meta/meta-backend.h>
+#include <backends/meta-backend-private.h>
+#include <backends/meta-monitor-manager-private.h>
 #include <meta/util.h>
 
 #include <cogl/cogl.h>
@@ -37,7 +39,6 @@
 struct _MetaCursorRendererPrivate
 {
   int current_x, current_y;
-  MetaRectangle current_rect;
 
   MetaCursorSprite *displayed_cursor;
   gboolean handled_by_backend;
@@ -47,28 +48,33 @@ typedef struct _MetaCursorRendererPrivate MetaCursorRendererPrivate;
 G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRenderer, meta_cursor_renderer, G_TYPE_OBJECT);
 
 static void
-queue_redraw (MetaCursorRenderer *renderer)
+queue_redraw (MetaCursorRenderer *renderer,
+              MetaCursorSprite   *cursor_sprite)
 {
   MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
   MetaBackend *backend = meta_get_backend ();
   ClutterActor *stage = meta_backend_get_stage (backend);
   CoglTexture *texture;
+  MetaRectangle rect = { 0 };
+
+  if (cursor_sprite)
+    rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite);
 
   /* During early initialization, we can have no stage */
   if (!stage)
     return;
 
-  if (priv->displayed_cursor && !priv->handled_by_backend)
-    texture = meta_cursor_sprite_get_cogl_texture (priv->displayed_cursor,
-                                                   NULL, NULL);
+  if (cursor_sprite && !priv->handled_by_backend)
+    texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
   else
     texture = NULL;
 
-  meta_stage_set_cursor (META_STAGE (stage), texture, &priv->current_rect);
+  meta_stage_set_cursor (META_STAGE (stage), texture, &rect);
 }
 
 static gboolean
-meta_cursor_renderer_real_update_cursor (MetaCursorRenderer *renderer)
+meta_cursor_renderer_real_update_cursor (MetaCursorRenderer *renderer,
+                                         MetaCursorSprite   *cursor_sprite)
 {
   return FALSE;
 }
@@ -84,35 +90,63 @@ meta_cursor_renderer_init (MetaCursorRenderer *renderer)
 {
 }
 
+MetaRectangle
+meta_cursor_renderer_calculate_rect (MetaCursorRenderer *renderer,
+                                     MetaCursorSprite   *cursor_sprite)
+{
+  MetaCursorRendererPrivate *priv =
+    meta_cursor_renderer_get_instance_private (renderer);
+  CoglTexture *texture;
+  int hot_x, hot_y;
+  int width, height;
+  float texture_scale;
+
+  texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
+  if (!texture)
+    return (MetaRectangle) { 0 };
+
+  meta_cursor_sprite_get_hotspot (cursor_sprite, &hot_x, &hot_y);
+  texture_scale = meta_cursor_sprite_get_texture_scale (cursor_sprite);
+  width = cogl_texture_get_width (texture);
+  height = cogl_texture_get_height (texture);
+
+  return (MetaRectangle) {
+    .x = (int)roundf (priv->current_x - (hot_x * texture_scale)),
+    .y = (int)roundf (priv->current_y - (hot_y * texture_scale)),
+    .width = (int)roundf (width * texture_scale),
+    .height = (int)roundf (height * texture_scale),
+  };
+}
+
+static gboolean
+is_cursor_in_monitors_area (int x, int y)
+{
+  MetaMonitorManager *monitor_manager = meta_backend_get_monitor_manager (meta_get_backend ());
+  return meta_monitor_manager_get_monitor_at_point (monitor_manager,
+                                                    (gfloat) x, (gfloat) y) >= 0;
+}
+
 static void
-update_cursor (MetaCursorRenderer *renderer)
+update_cursor (MetaCursorRenderer *renderer,
+               MetaCursorSprite   *cursor_sprite)
 {
   MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
   gboolean handled_by_backend;
   gboolean should_redraw = FALSE;
 
-  if (priv->displayed_cursor)
-    {
-      CoglTexture *texture;
-      int hot_x, hot_y;
+  /* do not render cursor if it is not on any monitor. Such situation
+   * can occur e. g. after monitor hot-plug */
+  if (!is_cursor_in_monitors_area (priv->current_x, priv->current_y))
+    return;
 
-      texture = meta_cursor_sprite_get_cogl_texture (priv->displayed_cursor,
-                                                     &hot_x, &hot_y);
+  if (cursor_sprite)
+    meta_cursor_sprite_prepare_at (cursor_sprite,
+                                   priv->current_x,
+                                   priv->current_y);
 
-      priv->current_rect.x = priv->current_x - hot_x;
-      priv->current_rect.y = priv->current_y - hot_y;
-      priv->current_rect.width = cogl_texture_get_width (COGL_TEXTURE (texture));
-      priv->current_rect.height = cogl_texture_get_height (COGL_TEXTURE (texture));
-    }
-  else
-    {
-      priv->current_rect.x = 0;
-      priv->current_rect.y = 0;
-      priv->current_rect.width = 0;
-      priv->current_rect.height = 0;
-    }
-
-  handled_by_backend = META_CURSOR_RENDERER_GET_CLASS (renderer)->update_cursor (renderer);
+  handled_by_backend =
+    META_CURSOR_RENDERER_GET_CLASS (renderer)->update_cursor (renderer,
+                                                              cursor_sprite);
   if (handled_by_backend != priv->handled_by_backend)
     {
       priv->handled_by_backend = handled_by_backend;
@@ -123,7 +157,7 @@ update_cursor (MetaCursorRenderer *renderer)
     should_redraw = TRUE;
 
   if (should_redraw)
-    queue_redraw (renderer);
+    queue_redraw (renderer, cursor_sprite);
 }
 
 MetaCursorRenderer *
@@ -140,16 +174,18 @@ meta_cursor_renderer_set_cursor (MetaCursorRenderer *renderer,
 
   if (priv->displayed_cursor == cursor_sprite)
     return;
-
   priv->displayed_cursor = cursor_sprite;
-  update_cursor (renderer);
+
+  update_cursor (renderer, cursor_sprite);
 }
 
 void
 meta_cursor_renderer_force_update (MetaCursorRenderer *renderer)
 {
-  update_cursor (renderer);
-  queue_redraw (renderer);
+  MetaCursorRendererPrivate *priv =
+    meta_cursor_renderer_get_instance_private (renderer);
+
+  update_cursor (renderer, priv->displayed_cursor);
 }
 
 void
@@ -163,7 +199,7 @@ meta_cursor_renderer_set_position (MetaCursorRenderer *renderer,
   priv->current_x = x;
   priv->current_y = y;
 
-  update_cursor (renderer);
+  update_cursor (renderer, priv->displayed_cursor);
 }
 
 MetaCursorSprite *
@@ -174,14 +210,6 @@ meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer)
   return priv->displayed_cursor;
 }
 
-const MetaRectangle *
-meta_cursor_renderer_get_rect (MetaCursorRenderer *renderer)
-{
-  MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
-
-  return &priv->current_rect;
-}
-
 #ifdef HAVE_WAYLAND
 void
 meta_cursor_renderer_realize_cursor_from_wl_buffer (MetaCursorRenderer *renderer,

src/backends/meta-cursor-renderer.h

@@ -42,7 +42,8 @@ struct _MetaCursorRendererClass
 {
   GObjectClass parent_class;
 
-  gboolean (* update_cursor) (MetaCursorRenderer *renderer);
+  gboolean (* update_cursor) (MetaCursorRenderer *renderer,
+                              MetaCursorSprite   *cursor_sprite);
 #ifdef HAVE_WAYLAND
   void (* realize_cursor_from_wl_buffer) (MetaCursorRenderer *renderer,
                                           MetaCursorSprite *cursor_sprite,
@@ -53,8 +54,6 @@ struct _MetaCursorRendererClass
                                         XcursorImage *xc_image);
 };
 
-GType meta_cursor_renderer_get_type (void) G_GNUC_CONST;
-
 MetaCursorRenderer * meta_cursor_renderer_new (void);
 
 void meta_cursor_renderer_set_cursor (MetaCursorRenderer *renderer,
@@ -65,7 +64,9 @@ void meta_cursor_renderer_set_position (MetaCursorRenderer *renderer,
 void meta_cursor_renderer_force_update (MetaCursorRenderer *renderer);
 
 MetaCursorSprite * meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer);
-const MetaRectangle * meta_cursor_renderer_get_rect (MetaCursorRenderer *renderer);
+
+MetaRectangle meta_cursor_renderer_calculate_rect (MetaCursorRenderer *renderer,
+                                                   MetaCursorSprite   *cursor_sprite);
 
 #ifdef HAVE_WAYLAND
 void meta_cursor_renderer_realize_cursor_from_wl_buffer (MetaCursorRenderer *renderer,

src/backends/meta-cursor-tracker.c

@@ -246,10 +246,11 @@ ensure_xfixes_cursor (MetaCursorTracker *tracker)
 
   if (sprite != NULL)
     {
-      MetaCursorSprite *cursor_sprite =
-        meta_cursor_sprite_from_texture (sprite,
-                                         cursor_image->xhot,
-                                         cursor_image->yhot);
+      MetaCursorSprite *cursor_sprite = meta_cursor_sprite_new ();
+      meta_cursor_sprite_set_texture (cursor_sprite,
+                                      sprite,
+                                      cursor_image->xhot,
+                                      cursor_image->yhot);
       cogl_object_unref (sprite);
       tracker->xfixes_cursor = cursor_sprite;
     }
@@ -279,7 +280,7 @@ meta_cursor_tracker_get_sprite (MetaCursorTracker *tracker)
     }
 
   if (cursor_sprite)
-    return meta_cursor_sprite_get_cogl_texture (cursor_sprite, NULL, NULL);
+    return meta_cursor_sprite_get_cogl_texture (cursor_sprite);
   else
     return NULL;
 }
@@ -311,7 +312,7 @@ meta_cursor_tracker_get_hot (MetaCursorTracker *tracker,
     }
 
   if (cursor_sprite)
-    meta_cursor_sprite_get_cogl_texture (cursor_sprite, x, y);
+    meta_cursor_sprite_get_hotspot (cursor_sprite, x, y);
   else
     {
       if (x)
@@ -360,12 +361,12 @@ get_pointer_position_gdk (int         *x,
                           int         *y,
                           int         *mods)
 {
-  GdkDeviceManager *gmanager;
+  GdkSeat *gseat;
   GdkDevice *gdevice;
   GdkScreen *gscreen;
 
-  gmanager = gdk_display_get_device_manager (gdk_display_get_default ());
-  gdevice = gdk_x11_device_manager_lookup (gmanager, META_VIRTUAL_CORE_POINTER_ID);
+  gseat = gdk_display_get_default_seat (gdk_display_get_default ());
+  gdevice = gdk_seat_get_pointer (gseat);
 
   gdk_device_get_position (gdevice, &gscreen, x, y);
   if (mods)

src/backends/meta-cursor.c

@@ -35,38 +35,33 @@
 #include <X11/extensions/Xfixes.h>
 #include <X11/Xcursor/Xcursor.h>
 
-#ifdef HAVE_WAYLAND
-#include <cogl/cogl-wayland-server.h>
-#endif
+enum {
+  PREPARE_AT,
 
-typedef struct
-{
-  CoglTexture2D *texture;
-  int hot_x, hot_y;
-} MetaCursorImage;
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL];
 
 struct _MetaCursorSprite
 {
   GObject parent;
 
   MetaCursor cursor;
-  MetaCursorImage image;
+
+  CoglTexture2D *texture;
+  float texture_scale;
+  int hot_x, hot_y;
 
   int current_frame;
   XcursorImages *xcursor_images;
+
+  int theme_scale;
+  gboolean theme_dirty;
 };
 
-GType meta_cursor_sprite_get_type (void) G_GNUC_CONST;
-
 G_DEFINE_TYPE (MetaCursorSprite, meta_cursor_sprite, G_TYPE_OBJECT)
 
-static void
-meta_cursor_image_free (MetaCursorImage *image)
-{
-  if (image->texture)
-    cogl_object_unref (image->texture);
-}
-
 static const char *
 translate_meta_cursor (MetaCursor cursor)
 {
@@ -123,24 +118,26 @@ meta_cursor_create_x_cursor (Display    *xdisplay,
 }
 
 static XcursorImages *
-load_cursor_on_client (MetaCursor cursor)
+load_cursor_on_client (MetaCursor cursor, int scale)
 {
   return XcursorLibraryLoadImages (translate_meta_cursor (cursor),
                                    meta_prefs_get_cursor_theme (),
-                                   meta_prefs_get_cursor_size ());
+                                   meta_prefs_get_cursor_size () * scale);
 }
 
 static void
 meta_cursor_sprite_load_from_xcursor_image (MetaCursorSprite *self,
                                             XcursorImage     *xc_image)
 {
-  MetaCursorImage *image = &self->image;
   MetaBackend *meta_backend = meta_get_backend ();
   MetaCursorRenderer *renderer = meta_backend_get_cursor_renderer (meta_backend);
   uint width, height, rowstride;
   CoglPixelFormat cogl_format;
   ClutterBackend *clutter_backend;
   CoglContext *cogl_context;
+  CoglTexture *texture;
+
+  g_assert (self->texture == NULL);
 
   width           = xc_image->width;
   height          = xc_image->height;
@@ -152,17 +149,17 @@ meta_cursor_sprite_load_from_xcursor_image (MetaCursorSprite *self,
   cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
 #endif
 
-  image->hot_x = xc_image->xhot;
-  image->hot_y = xc_image->yhot;
-
   clutter_backend = clutter_get_default_backend ();
   cogl_context = clutter_backend_get_cogl_context (clutter_backend);
-  image->texture = cogl_texture_2d_new_from_data (cogl_context,
-                                                  width, height,
-                                                  cogl_format,
-                                                  rowstride,
-                                                  (uint8_t *) xc_image->pixels,
-                                                  NULL);
+  texture = cogl_texture_2d_new_from_data (cogl_context,
+                                           width, height,
+                                           cogl_format,
+                                           rowstride,
+                                           (uint8_t *) xc_image->pixels,
+                                           NULL);
+  meta_cursor_sprite_set_texture (self, texture,
+                                  xc_image->xhot, xc_image->yhot);
+  cogl_object_unref (texture);
 
   meta_cursor_renderer_realize_cursor_from_xcursor (renderer, self, xc_image);
 }
@@ -186,8 +183,9 @@ meta_cursor_sprite_tick_frame (MetaCursorSprite *self)
   if (self->current_frame >= self->xcursor_images->nimage)
     self->current_frame = 0;
 
-  meta_cursor_image_free (&self->image);
   image = meta_cursor_sprite_get_current_frame_image (self);
+
+  g_clear_pointer (&self->texture, cogl_object_unref);
   meta_cursor_sprite_load_from_xcursor_image (self, image);
 }
 
@@ -208,94 +206,83 @@ meta_cursor_sprite_is_animated (MetaCursorSprite *self)
 }
 
 MetaCursorSprite *
-meta_cursor_sprite_from_theme (MetaCursor cursor)
+meta_cursor_sprite_new (void)
+{
+  return g_object_new (META_TYPE_CURSOR_SPRITE, NULL);
+}
+
+static void
+meta_cursor_sprite_load_from_theme (MetaCursorSprite *self)
 {
-  MetaCursorSprite *self;
   XcursorImage *image;
 
-  self = g_object_new (META_TYPE_CURSOR_SPRITE, NULL);
+  g_assert (self->cursor != META_CURSOR_NONE);
+
+  /* We might be reloading with a different scale. If so clear the old data. */
+  if (self->xcursor_images)
+    {
+      g_clear_pointer (&self->texture, cogl_object_unref);
+      XcursorImagesDestroy (self->xcursor_images);
+    }
 
-  self->cursor = cursor;
   self->current_frame = 0;
-  self->xcursor_images = load_cursor_on_client (self->cursor);
+  self->xcursor_images = load_cursor_on_client (self->cursor,
+                                                self->theme_scale);
   if (!self->xcursor_images)
     meta_fatal ("Could not find cursor. Perhaps set XCURSOR_PATH?");
 
   image = meta_cursor_sprite_get_current_frame_image (self);
   meta_cursor_sprite_load_from_xcursor_image (self, image);
 
-  return self;
+  self->theme_dirty = FALSE;
 }
 
 MetaCursorSprite *
-meta_cursor_sprite_from_texture (CoglTexture2D *texture,
-                                 int            hot_x,
-                                 int            hot_y)
+meta_cursor_sprite_from_theme (MetaCursor cursor)
 {
   MetaCursorSprite *self;
 
-  self = g_object_new (META_TYPE_CURSOR_SPRITE, NULL);
+  self = meta_cursor_sprite_new ();
 
-  cogl_object_ref (texture);
-
-  self->image.texture = texture;
-  self->image.hot_x = hot_x;
-  self->image.hot_y = hot_y;
+  self->cursor = cursor;
+  self->theme_dirty = TRUE;
 
   return self;
 }
 
-#ifdef HAVE_WAYLAND
-static void
-meta_cursor_sprite_load_from_buffer (MetaCursorSprite   *self,
-                                     struct wl_resource *buffer,
-                                     int                 hot_x,
-                                     int                 hot_y)
+void
+meta_cursor_sprite_set_texture (MetaCursorSprite *self,
+                                CoglTexture      *texture,
+                                int               hot_x,
+                                int               hot_y)
 {
-  MetaCursorImage *image = &self->image;
-  MetaBackend *meta_backend = meta_get_backend ();
-  MetaCursorRenderer *renderer =
-    meta_backend_get_cursor_renderer (meta_backend);
-  ClutterBackend *backend;
-  CoglContext *cogl_context;
-
-  image->hot_x = hot_x;
-  image->hot_y = hot_y;
-
-  backend = clutter_get_default_backend ();
-  cogl_context = clutter_backend_get_cogl_context (backend);
-
-  image->texture = cogl_wayland_texture_2d_new_from_buffer (cogl_context, buffer, NULL);
-
-  meta_cursor_renderer_realize_cursor_from_wl_buffer (renderer, self, buffer);
+  g_clear_pointer (&self->texture, cogl_object_unref);
+  if (texture)
+    self->texture = cogl_object_ref (texture);
+  self->hot_x = hot_x;
+  self->hot_y = hot_y;
 }
 
-MetaCursorSprite *
-meta_cursor_sprite_from_buffer (struct wl_resource *buffer,
-                                int                 hot_x,
-                                int                 hot_y)
+void
+meta_cursor_sprite_set_texture_scale (MetaCursorSprite *self,
+                                      float             scale)
 {
-  MetaCursorSprite *self;
-
-  self = g_object_new (META_TYPE_CURSOR_SPRITE, NULL);
-
-  meta_cursor_sprite_load_from_buffer (self, buffer, hot_x, hot_y);
-
-  return self;
+  self->texture_scale = scale;
+}
+
+void
+meta_cursor_sprite_set_theme_scale (MetaCursorSprite *self,
+                                    int               theme_scale)
+{
+  if (self->theme_scale != theme_scale)
+    self->theme_dirty = TRUE;
+  self->theme_scale = theme_scale;
 }
-#endif
 
 CoglTexture *
-meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *self,
-                                     int              *hot_x,
-                                     int              *hot_y)
+meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *self)
 {
-  if (hot_x)
-    *hot_x = self->image.hot_x;
-  if (hot_y)
-    *hot_y = self->image.hot_y;
-
-  return COGL_TEXTURE (self->image.texture);
+  return COGL_TEXTURE (self->texture);
 }
 
 MetaCursor
@@ -309,25 +296,35 @@ meta_cursor_sprite_get_hotspot (MetaCursorSprite *self,
                                 int              *hot_x,
                                 int              *hot_y)
 {
-  *hot_x = self->image.hot_x;
-  *hot_y = self->image.hot_y;
+  *hot_x = self->hot_x;
+  *hot_y = self->hot_y;
 }
 
-guint
-meta_cursor_sprite_get_width (MetaCursorSprite *self)
+float
+meta_cursor_sprite_get_texture_scale (MetaCursorSprite *self)
 {
-  return cogl_texture_get_width (COGL_TEXTURE (self->image.texture));
+  return self->texture_scale;
 }
 
-guint
-meta_cursor_sprite_get_height (MetaCursorSprite *self)
+void
+meta_cursor_sprite_prepare_at (MetaCursorSprite *self,
+                               int               x,
+                               int               y)
 {
-  return cogl_texture_get_height (COGL_TEXTURE (self->image.texture));
+  g_signal_emit (self, signals[PREPARE_AT], 0, x, y);
+}
+
+void
+meta_cursor_sprite_realize_texture (MetaCursorSprite *self)
+{
+  if (self->theme_dirty)
+    meta_cursor_sprite_load_from_theme (self);
 }
 
 static void
 meta_cursor_sprite_init (MetaCursorSprite *self)
 {
+  self->texture_scale = 1.0f;
 }
 
 static void
@@ -337,7 +334,8 @@ meta_cursor_sprite_finalize (GObject *object)
 
   if (self->xcursor_images)
     XcursorImagesDestroy (self->xcursor_images);
-  meta_cursor_image_free (&self->image);
+
+  g_clear_pointer (&self->texture, cogl_object_unref);
 
   G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->finalize (object);
 }
@@ -348,4 +346,13 @@ meta_cursor_sprite_class_init (MetaCursorSpriteClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
   object_class->finalize = meta_cursor_sprite_finalize;
+
+  signals[PREPARE_AT] = g_signal_new ("prepare-at",
+                                      G_TYPE_FROM_CLASS (object_class),
+                                      G_SIGNAL_RUN_LAST,
+                                      0,
+                                      NULL, NULL, NULL,
+                                      G_TYPE_NONE, 2,
+                                      G_TYPE_INT,
+                                      G_TYPE_INT);
 }

src/backends/meta-cursor.h

@@ -23,6 +23,7 @@
 #define META_CURSOR_H
 
 #include <meta/common.h>
+#include <meta/boxes.h>
 
 typedef struct _MetaCursorSprite MetaCursorSprite;
 
@@ -32,35 +33,40 @@ G_DECLARE_FINAL_TYPE (MetaCursorSprite,
                       META, CURSOR_SPRITE,
                       GObject);
 
-MetaCursorSprite * meta_cursor_sprite_from_theme  (MetaCursor          cursor);
+MetaCursorSprite * meta_cursor_sprite_new (void);
 
-#ifdef HAVE_WAYLAND
-#include <wayland-server.h>
-MetaCursorSprite * meta_cursor_sprite_from_buffer (struct wl_resource *buffer,
-                                                   int                 hot_x,
-                                                   int                 hot_y);
-#endif
+MetaCursorSprite * meta_cursor_sprite_from_theme  (MetaCursor cursor);
+
+
+void meta_cursor_sprite_set_theme_scale (MetaCursorSprite *self,
+                                         int               scale);
 
 MetaCursor meta_cursor_sprite_get_meta_cursor (MetaCursorSprite *self);
 
-MetaCursorSprite * meta_cursor_sprite_from_texture (CoglTexture2D *texture,
-                                                    int            hot_x,
-                                                    int            hot_y);
-
 Cursor meta_cursor_create_x_cursor (Display    *xdisplay,
                                     MetaCursor  cursor);
 
-CoglTexture *meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *self,
-                                                  int              *hot_x,
-                                                  int              *hot_y);
+void meta_cursor_sprite_prepare_at (MetaCursorSprite *self,
+                                    int               x,
+                                    int               y);
+
+void meta_cursor_sprite_realize_texture (MetaCursorSprite *self);
+
+void meta_cursor_sprite_set_texture (MetaCursorSprite *self,
+                                     CoglTexture      *texture,
+                                     int               hot_x,
+                                     int               hot_y);
+
+void meta_cursor_sprite_set_texture_scale (MetaCursorSprite *self,
+                                           float             scale);
+
+CoglTexture *meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *self);
 
 void meta_cursor_sprite_get_hotspot (MetaCursorSprite *self,
                                      int              *hot_x,
                                      int              *hot_y);
 
-guint meta_cursor_sprite_get_width (MetaCursorSprite *self);
-
-guint meta_cursor_sprite_get_height (MetaCursorSprite *self);
+float meta_cursor_sprite_get_texture_scale (MetaCursorSprite *self);
 
 gboolean meta_cursor_sprite_is_animated            (MetaCursorSprite *self);
 void     meta_cursor_sprite_tick_frame             (MetaCursorSprite *self);

src/backends/meta-input-settings-private.h

@@ -63,9 +63,9 @@ struct _MetaInputSettingsClass
   void (* set_invert_scroll) (MetaInputSettings  *settings,
                               ClutterInputDevice *device,
                               gboolean            inverted);
-  void (* set_scroll_method) (MetaInputSettings            *settings,
-                              ClutterInputDevice           *device,
-                              GDesktopTouchpadScrollMethod  mode);
+  void (* set_edge_scroll)   (MetaInputSettings  *settings,
+                              ClutterInputDevice *device,
+                              gboolean            enabled);
   void (* set_scroll_button) (MetaInputSettings  *settings,
                               ClutterInputDevice *device,
                               guint               button);

src/backends/meta-input-settings.c

@@ -395,11 +395,11 @@ update_touchpad_tap_enabled (MetaInputSettings  *input_settings,
 }
 
 static void
-update_touchpad_scroll_method (MetaInputSettings *input_settings,
-                               ClutterInputDevice *device)
+update_touchpad_edge_scroll (MetaInputSettings *input_settings,
+                             ClutterInputDevice *device)
 {
   MetaInputSettingsClass *input_settings_class;
-  GDesktopTouchpadScrollMethod method;
+  gboolean edge_scroll_enabled;
   MetaInputSettingsPrivate *priv;
 
   if (device &&
@@ -408,19 +408,19 @@ update_touchpad_scroll_method (MetaInputSettings *input_settings,
 
   priv = meta_input_settings_get_instance_private (input_settings);
   input_settings_class = META_INPUT_SETTINGS_GET_CLASS (input_settings);
-  method = g_settings_get_enum (priv->touchpad_settings, "scroll-method");
+  edge_scroll_enabled = g_settings_get_boolean (priv->touchpad_settings, "edge-scrolling-enabled");
 
   if (device)
     {
-      settings_device_set_uint_setting (input_settings, device,
-                                        input_settings_class->set_scroll_method,
-                                        method);
+      settings_device_set_bool_setting (input_settings, device,
+                                        input_settings_class->set_edge_scroll,
+                                        edge_scroll_enabled);
     }
   else
     {
-      settings_set_uint_setting (input_settings, CLUTTER_TOUCHPAD_DEVICE,
-                                 (ConfigUintFunc) input_settings_class->set_scroll_method,
-                                 method);
+      settings_set_bool_setting (input_settings, CLUTTER_TOUCHPAD_DEVICE,
+                                 (ConfigBoolFunc) input_settings_class->set_edge_scroll,
+                                 edge_scroll_enabled);
     }
 }
 
@@ -429,7 +429,7 @@ update_touchpad_click_method (MetaInputSettings *input_settings,
                               ClutterInputDevice *device)
 {
   MetaInputSettingsClass *input_settings_class;
-  GDesktopTouchpadScrollMethod method;
+  GDesktopTouchpadClickMethod method;
   MetaInputSettingsPrivate *priv;
 
   if (device &&
@@ -523,15 +523,13 @@ update_trackball_scroll_button (MetaInputSettings  *input_settings,
     }
   else if (!device)
     {
-      MetaInputSettingsPrivate *priv;
       const GSList *devices;
 
-      priv = meta_input_settings_get_instance_private (input_settings);
       devices = clutter_device_manager_peek_devices (priv->device_manager);
 
       while (devices)
         {
-          ClutterInputDevice *device = devices->data;
+          device = devices->data;
 
           if (device_is_trackball (device))
             input_settings_class->set_scroll_button (input_settings, device, button);
@@ -647,8 +645,8 @@ meta_input_settings_changed_cb (GSettings  *settings,
         update_touchpad_tap_enabled (input_settings, NULL);
       else if (strcmp (key, "send-events") == 0)
         update_touchpad_send_events (input_settings, NULL);
-      else if (strcmp (key, "scroll-method") == 0)
-        update_touchpad_scroll_method (input_settings, NULL);
+      else if (strcmp (key, "edge-scrolling-enabled") == 0)
+        update_touchpad_edge_scroll (input_settings, NULL);
       else if (strcmp (key, "click-method") == 0)
         update_touchpad_click_method (input_settings, NULL);
     }
@@ -773,7 +771,7 @@ apply_device_settings (MetaInputSettings  *input_settings,
   update_device_natural_scroll (input_settings, device);
   update_touchpad_tap_enabled (input_settings, device);
   update_touchpad_send_events (input_settings, device);
-  update_touchpad_scroll_method (input_settings, device);
+  update_touchpad_edge_scroll (input_settings, device);
   update_touchpad_click_method (input_settings, device);
 
   update_trackball_scroll_button (input_settings, device);

src/backends/meta-monitor-config.c

@@ -1846,7 +1846,7 @@ crtc_assignment_assign (CrtcAssignment       *assign,
     }
   else
     {
-      MetaCRTCInfo *info = g_slice_new0 (MetaCRTCInfo);
+      info = g_slice_new0 (MetaCRTCInfo);
 
       info->crtc = crtc;
       info->mode = mode;

src/backends/meta-monitor-manager-dummy.c

@@ -197,7 +197,7 @@ meta_monitor_manager_dummy_apply_config (MetaMonitorManager *manager,
         {
           MetaMonitorMode *mode;
           MetaOutput *output;
-          int i, n_outputs;
+          unsigned int j;
           int width, height;
 
           mode = crtc_info->mode;
@@ -223,10 +223,9 @@ meta_monitor_manager_dummy_apply_config (MetaMonitorManager *manager,
           screen_width = MAX (screen_width, crtc_info->x + width);
           screen_height = MAX (screen_height, crtc_info->y + height);
 
-          n_outputs = crtc_info->outputs->len;
-          for (i = 0; i < n_outputs; i++)
+          for (j = 0; j < crtc_info->outputs->len; j++)
             {
-              output = ((MetaOutput**)crtc_info->outputs->pdata)[i];
+              output = ((MetaOutput**)crtc_info->outputs->pdata)[j];
 
               output->is_dirty = TRUE;
               output->crtc = crtc;

src/backends/meta-monitor-manager-private.h

@@ -174,7 +174,8 @@ struct _MetaCRTC
   /* Used when changing configuration */
   gboolean is_dirty;
 
-  MetaCursorSprite *cursor;
+  /* Used by cursor renderer backend */
+  void *cursor_renderer_private;
 
   gpointer driver_private;
   GDestroyNotify driver_notify;
@@ -413,6 +414,10 @@ gint               meta_monitor_manager_get_monitor_at_point (MetaMonitorManager
                                                               gfloat              x,
                                                               gfloat              y);
 
+void meta_monitor_manager_clear_output (MetaOutput *output);
+void meta_monitor_manager_clear_mode (MetaMonitorMode *mode);
+void meta_monitor_manager_clear_crtc (MetaCRTC *crtc);
+
 /* Returns true if transform causes width and height to be inverted
    This is true for the odd transforms in the enum */
 static inline gboolean

src/backends/meta-monitor-manager.c

@@ -178,7 +178,7 @@ make_logical_config (MetaMonitorManager *manager)
   unsigned int i, j;
 
   monitor_infos = g_array_sized_new (FALSE, TRUE, sizeof (MetaMonitorInfo),
-                                     manager->n_outputs);
+                                     manager->n_crtcs);
 
   /* Walk the list of MetaCRTCs, and build a MetaMonitorInfo
      for each of them, unless they reference a rectangle that
@@ -346,6 +346,23 @@ meta_monitor_manager_constructed (GObject *object)
   manager->in_init = FALSE;
 }
 
+void
+meta_monitor_manager_clear_output (MetaOutput *output)
+{
+  g_free (output->name);
+  g_free (output->vendor);
+  g_free (output->product);
+  g_free (output->serial);
+  g_free (output->modes);
+  g_free (output->possible_crtcs);
+  g_free (output->possible_clones);
+
+  if (output->driver_notify)
+    output->driver_notify (output);
+
+  memset (output, 0, sizeof (*output));
+}
+
 static void
 meta_monitor_manager_free_output_array (MetaOutput *old_outputs,
                                         int         n_old_outputs)
@@ -353,22 +370,22 @@ meta_monitor_manager_free_output_array (MetaOutput *old_outputs,
   int i;
 
   for (i = 0; i < n_old_outputs; i++)
-    {
-      g_free (old_outputs[i].name);
-      g_free (old_outputs[i].vendor);
-      g_free (old_outputs[i].product);
-      g_free (old_outputs[i].serial);
-      g_free (old_outputs[i].modes);
-      g_free (old_outputs[i].possible_crtcs);
-      g_free (old_outputs[i].possible_clones);
-
-      if (old_outputs[i].driver_notify)
-        old_outputs[i].driver_notify (&old_outputs[i]);
-    }
+    meta_monitor_manager_clear_output (&old_outputs[i]);
 
   g_free (old_outputs);
 }
 
+void
+meta_monitor_manager_clear_mode (MetaMonitorMode *mode)
+{
+  g_free (mode->name);
+
+  if (mode->driver_notify)
+    mode->driver_notify (mode);
+
+  memset (mode, 0, sizeof (*mode));
+}
+
 static void
 meta_monitor_manager_free_mode_array (MetaMonitorMode *old_modes,
                                       int              n_old_modes)
@@ -376,16 +393,20 @@ meta_monitor_manager_free_mode_array (MetaMonitorMode *old_modes,
   int i;
 
   for (i = 0; i < n_old_modes; i++)
-    {
-      g_free (old_modes[i].name);
-
-      if (old_modes[i].driver_notify)
-        old_modes[i].driver_notify (&old_modes[i]);
-    }
+    meta_monitor_manager_clear_mode (&old_modes[i]);
 
   g_free (old_modes);
 }
 
+void
+meta_monitor_manager_clear_crtc (MetaCRTC *crtc)
+{
+  if (crtc->driver_notify)
+    crtc->driver_notify (crtc);
+
+  memset (crtc, 0, sizeof (*crtc));
+}
+
 static void
 meta_monitor_manager_free_crtc_array (MetaCRTC *old_crtcs,
                                       int       n_old_crtcs)
@@ -393,10 +414,7 @@ meta_monitor_manager_free_crtc_array (MetaCRTC *old_crtcs,
   int i;
 
   for (i = 0; i < n_old_crtcs; i++)
-    {
-      if (old_crtcs[i].driver_notify)
-        old_crtcs[i].driver_notify (&old_crtcs[i]);
-    }
+    meta_monitor_manager_clear_crtc (&old_crtcs[i]);
 
   g_free (old_crtcs);
 }
@@ -884,8 +902,7 @@ meta_monitor_manager_handle_apply_configuration  (MetaDBusDisplayConfig *skeleto
           crtc_info->y = 0;
         }
 
-      if (transform < META_MONITOR_TRANSFORM_NORMAL ||
-          transform > META_MONITOR_TRANSFORM_FLIPPED_270 ||
+      if (transform > META_MONITOR_TRANSFORM_FLIPPED_270 ||
           ((crtc->all_transforms & (1 << transform)) == 0))
         {
           g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,

src/backends/meta-pointer-constraint.c

@@ -0,0 +1,57 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#include "config.h"
+
+#include "backends/meta-pointer-constraint.h"
+
+#include <glib-object.h>
+
+G_DEFINE_TYPE (MetaPointerConstraint, meta_pointer_constraint, G_TYPE_OBJECT);
+
+static void
+meta_pointer_constraint_init (MetaPointerConstraint *constraint)
+{
+}
+
+static void
+meta_pointer_constraint_class_init (MetaPointerConstraintClass *klass)
+{
+}
+
+void
+meta_pointer_constraint_constrain (MetaPointerConstraint *constraint,
+                                   ClutterInputDevice    *device,
+                                   guint32                time,
+                                   float                  prev_x,
+                                   float                  prev_y,
+                                   float                  *x,
+                                   float                  *y)
+{
+  META_POINTER_CONSTRAINT_GET_CLASS (constraint)->constrain (constraint,
+                                                             device,
+                                                             time,
+                                                             prev_x, prev_y,
+                                                             x, y);
+}

src/backends/meta-pointer-constraint.h

@@ -0,0 +1,60 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#ifndef META_POINTER_CONSTRAINT_H
+#define META_POINTER_CONSTRAINT_H
+
+#include <glib-object.h>
+#include <clutter/clutter.h>
+
+G_BEGIN_DECLS
+
+#define META_TYPE_POINTER_CONSTRAINT (meta_pointer_constraint_get_type ())
+G_DECLARE_DERIVABLE_TYPE (MetaPointerConstraint, meta_pointer_constraint,
+                          META, POINTER_CONSTRAINT, GObject);
+
+struct _MetaPointerConstraintClass
+{
+  GObjectClass parent_class;
+
+  void (*constrain) (MetaPointerConstraint *constraint,
+                     ClutterInputDevice *device,
+                     guint32 time,
+                     float prev_x,
+                     float prev_y,
+                     float *x,
+                     float *y);
+};
+
+void meta_pointer_constraint_constrain (MetaPointerConstraint *constraint,
+                                        ClutterInputDevice    *device,
+                                        guint32                time,
+                                        float                  prev_x,
+                                        float                  prev_y,
+                                        float                 *x,
+                                        float                 *y);
+
+G_END_DECLS
+
+#endif /* META_POINTER_CONSTRAINT_H */

src/backends/native/meta-backend-native.c

@@ -36,6 +36,10 @@
 #include "meta-monitor-manager-kms.h"
 #include "meta-cursor-renderer-native.h"
 #include "meta-launcher.h"
+#include "backends/meta-cursor-tracker-private.h"
+#include "backends/meta-pointer-constraint.h"
+
+#include <stdlib.h>
 
 struct _MetaBackendNativePrivate
 {
@@ -137,6 +141,24 @@ constrain_to_barriers (ClutterInputDevice *device,
                                        new_x, new_y);
 }
 
+static void
+constrain_to_client_constraint (ClutterInputDevice *device,
+                                guint32             time,
+                                float               prev_x,
+                                float               prev_y,
+                                float              *x,
+                                float              *y)
+{
+  MetaBackend *backend = meta_get_backend ();
+  MetaPointerConstraint *constraint = backend->client_pointer_constraint;
+
+  if (!constraint)
+    return;
+
+  meta_pointer_constraint_constrain (constraint, device,
+                                     time, prev_x, prev_y, x, y);
+}
+
 /*
  * The pointer constrain code is mostly a rip-off of the XRandR code from Xorg.
  * (from xserver/randr/rrcrtc.c, RRConstrainCursorHarder)
@@ -191,10 +213,12 @@ constrain_all_screen_monitors (ClutterInputDevice *device,
 
 static void
 pointer_constrain_callback (ClutterInputDevice *device,
-			    guint32             time,
-			    float              *new_x,
-			    float              *new_y,
-			    gpointer            user_data)
+                            guint32             time,
+                            float               prev_x,
+                            float               prev_y,
+                            float              *new_x,
+                            float              *new_y,
+                            gpointer            user_data)
 {
   MetaMonitorManager *monitor_manager;
   MetaMonitorInfo *monitors;
@@ -203,6 +227,9 @@ pointer_constrain_callback (ClutterInputDevice *device,
   /* Constrain to barriers */
   constrain_to_barriers (device, time, new_x, new_y);
 
+  /* Constrain to pointer lock */
+  constrain_to_client_constraint (device, time, prev_x, prev_y, new_x, new_y);
+
   monitor_manager = meta_monitor_manager_get ();
   monitors = meta_monitor_manager_get_monitor_infos (monitor_manager, &n_monitors);
 
@@ -253,11 +280,16 @@ meta_backend_native_warp_pointer (MetaBackend *backend,
 {
   ClutterDeviceManager *manager = clutter_device_manager_get_default ();
   ClutterInputDevice *device = clutter_device_manager_get_core_device (manager, CLUTTER_POINTER_DEVICE);
+  MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (NULL);
 
   /* XXX */
   guint32 time_ = 0;
 
+  /* Warp the input device pointer state. */
   clutter_evdev_warp_pointer (device, time_, x, y);
+
+  /* Warp displayed pointer cursor. */
+  meta_cursor_tracker_update_position (tracker, x, y);
 }
 
 static void
@@ -304,6 +336,19 @@ meta_backend_native_lock_layout_group (MetaBackend *backend,
   g_signal_emit_by_name (backend, "keymap-layout-group-changed", idx, 0);
 }
 
+static gboolean
+meta_backend_native_get_relative_motion_deltas (MetaBackend *backend,
+                                                const        ClutterEvent *event,
+                                                double       *dx,
+                                                double       *dy,
+                                                double       *dx_unaccel,
+                                                double       *dy_unaccel)
+{
+  return clutter_evdev_event_get_relative_motion (event,
+                                                  dx, dy,
+                                                  dx_unaccel, dy_unaccel);
+}
+
 static void
 meta_backend_native_class_init (MetaBackendNativeClass *klass)
 {
@@ -321,15 +366,21 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
   backend_class->set_keymap = meta_backend_native_set_keymap;
   backend_class->get_keymap = meta_backend_native_get_keymap;
   backend_class->lock_layout_group = meta_backend_native_lock_layout_group;
+  backend_class->get_relative_motion_deltas = meta_backend_native_get_relative_motion_deltas;
 }
 
 static void
 meta_backend_native_init (MetaBackendNative *native)
 {
   MetaBackendNativePrivate *priv = meta_backend_native_get_instance_private (native);
+  GError *error = NULL;
 
-  /* We're a display server, so start talking to weston-launch. */
-  priv->launcher = meta_launcher_new ();
+  priv->launcher = meta_launcher_new (&error);
+  if (priv->launcher == NULL)
+    {
+      g_warning ("Can't initialize KMS backend: %s\n", error->message);
+      exit (1);
+    }
 
   priv->barrier_manager = meta_barrier_manager_native_new ();
 

src/backends/native/meta-barrier-native.c

@@ -93,126 +93,18 @@ next_serial (void)
   return barrier_serial;
 }
 
-typedef struct _Vector2
-{
-  float x, y;
-} Vector2;
-
-static float
-vector2_cross_product (Vector2 a, Vector2 b)
-{
-  return a.x * b.y - a.y * b.x;
-}
-
-static Vector2
-vector2_add (Vector2 a, Vector2 b)
-{
-  return (Vector2) {
-    .x = a.x + b.x,
-    .y = a.y + b.y,
-  };
-}
-
-static Vector2
-vector2_subtract (Vector2 a, Vector2 b)
-{
-  return (Vector2) {
-    .x = a.x - b.x,
-    .y = a.y - b.y,
-  };
-}
-
-static Vector2
-vector2_multiply_constant (float c, Vector2 a)
-{
-  return (Vector2) {
-    .x = c * a.x,
-    .y = c * a.y,
-  };
-}
-
-typedef struct _Line2
-{
-  Vector2 a;
-  Vector2 b;
-} Line2;
-
-static gboolean
-lines_intersect (Line2 *line1, Line2 *line2, Vector2 *intersection)
-{
-  Vector2 p = line1->a;
-  Vector2 r = vector2_subtract (line1->b, line1->a);
-  Vector2 q = line2->a;
-  Vector2 s = vector2_subtract (line2->b, line2->a);
-  float rxs;
-  float sxr;
-  float t;
-  float u;
-
-  /*
-   * The line (p, r) and (q, s) intersects where
-   *
-   *   p + t r = q + u s
-   *
-   * Calculate t:
-   *
-   *   (p + t r) × s = (q + u s) × s
-   *   p × s + t (r × s) = q × s + u (s × s)
-   *   p × s + t (r × s) = q × s
-   *   t (r × s) = q × s - p × s
-   *   t (r × s) = (q - p) × s
-   *   t = ((q - p) × s) / (r × s)
-   *
-   * Using the same method, for u we get:
-   *
-   *   u = ((p - q) × r) / (s × r)
-   */
-
-  rxs = vector2_cross_product (r, s);
-  sxr = vector2_cross_product (s, r);
-
-  /* If r × s = 0 then the lines are either parallel or collinear. */
-  if (fabs ( rxs) < DBL_MIN)
-    return FALSE;
-
-  t = vector2_cross_product (vector2_subtract (q, p), s) / rxs;
-  u = vector2_cross_product (vector2_subtract (p, q), r) / sxr;
-
-
-  /* The lines only intersect if 0 ≤ t ≤ 1 and 0 ≤ u ≤ 1. */
-  if (t < 0.0 || t > 1.0 || u < 0.0 || u > 1.0)
-    return FALSE;
-
-  *intersection = vector2_add (p, vector2_multiply_constant (t, r));
-
-  return TRUE;
-}
-
 static gboolean
 is_barrier_horizontal (MetaBarrier *barrier)
 {
-  return barrier->priv->y1 == barrier->priv->y2;
+  return meta_border_is_horizontal (&barrier->priv->border);
 }
 
 static gboolean
 is_barrier_blocking_directions (MetaBarrier         *barrier,
                                 MetaBarrierDirection directions)
 {
-  /* Barriers doesn't block parallel motions. */
-  if (is_barrier_horizontal (barrier))
-    {
-      if ((directions & (META_BARRIER_DIRECTION_POSITIVE_Y |
-                         META_BARRIER_DIRECTION_NEGATIVE_Y)) == 0)
-        return FALSE;
-    }
-  else
-    {
-      if ((directions & (META_BARRIER_DIRECTION_POSITIVE_X |
-                         META_BARRIER_DIRECTION_NEGATIVE_X)) == 0)
-        return FALSE;
-    }
-
-  return (barrier->priv->directions & directions) != directions;
+  return meta_border_is_blocking_directions (&barrier->priv->border,
+                                             directions);
 }
 
 static void
@@ -224,31 +116,16 @@ dismiss_pointer (MetaBarrierImplNative *self)
   priv->state = META_BARRIER_STATE_LEFT;
 }
 
-static Line2
-barrier_to_line (MetaBarrier *barrier)
-{
-  return (Line2) {
-    .a = (Vector2) {
-      .x = MIN (barrier->priv->x1, barrier->priv->x2),
-      .y = MIN (barrier->priv->y1, barrier->priv->y2),
-    },
-    .b = (Vector2) {
-      .x = MAX (barrier->priv->x1, barrier->priv->x2),
-      .y = MAX (barrier->priv->y1, barrier->priv->y2),
-    },
-  };
-}
-
 /*
  * Calculate the hit box for a held motion. The hit box is a 2 px wide region
  * in the opposite direction of every direction the barrier blocks. The purpose
  * of this is to allow small movements without receiving a "left" signal. This
  * heuristic comes from the X.org pointer barrier implementation.
  */
-static Line2
+static MetaLine2
 calculate_barrier_hit_box (MetaBarrier *barrier)
 {
-  Line2 hit_box = barrier_to_line (barrier);
+  MetaLine2 hit_box = barrier->priv->border.line;
 
   if (is_barrier_horizontal (barrier))
     {
@@ -273,7 +150,8 @@ calculate_barrier_hit_box (MetaBarrier *barrier)
 }
 
 static gboolean
-is_within_box (Line2 box, Vector2 point)
+is_within_box (MetaLine2   box,
+               MetaVector2 point)
 {
   return (point.x >= box.a.x && point.x < box.b.x &&
           point.y >= box.a.y && point.y < box.b.y);
@@ -288,8 +166,8 @@ maybe_release_barrier (gpointer key,
   MetaBarrierImplNativePrivate *priv =
     meta_barrier_impl_native_get_instance_private (self);
   MetaBarrier *barrier = priv->barrier;
-  Line2 *motion = user_data;
-  Line2 hit_box;
+  MetaLine2 *motion = user_data;
+  MetaLine2 hit_box;
 
   if (priv->state != META_BARRIER_STATE_HELD)
     return;
@@ -297,8 +175,10 @@ maybe_release_barrier (gpointer key,
   /* Release if we end up outside barrier end points. */
   if (is_barrier_horizontal (barrier))
     {
-      if (motion->b.x > MAX (barrier->priv->x1, barrier->priv->x2) ||
-          motion->b.x < MIN (barrier->priv->x1, barrier->priv->x2))
+      if (motion->b.x > MAX (barrier->priv->border.line.a.x,
+                             barrier->priv->border.line.b.x) ||
+          motion->b.x < MIN (barrier->priv->border.line.a.x,
+                             barrier->priv->border.line.b.x))
         {
           dismiss_pointer (self);
           return;
@@ -306,8 +186,10 @@ maybe_release_barrier (gpointer key,
     }
   else
     {
-      if (motion->b.y > MAX (barrier->priv->y1, barrier->priv->y2) ||
-          motion->b.y < MIN (barrier->priv->y1, barrier->priv->y2))
+      if (motion->b.y > MAX (barrier->priv->border.line.a.y,
+                             barrier->priv->border.line.b.y) ||
+          motion->b.y < MIN (barrier->priv->border.line.a.y,
+                             barrier->priv->border.line.b.y))
         {
           dismiss_pointer (self);
           return;
@@ -330,7 +212,7 @@ maybe_release_barriers (MetaBarrierManagerNative *manager,
                         float                     x,
                         float                     y)
 {
-  Line2 motion = {
+  MetaLine2 motion = {
     .a = {
       .x = prev_x,
       .y = prev_y,
@@ -350,7 +232,7 @@ typedef struct _MetaClosestBarrierData
 {
   struct
   {
-    Line2                       motion;
+    MetaLine2                   motion;
     MetaBarrierDirection        directions;
   } in;
 
@@ -371,8 +253,7 @@ update_closest_barrier (gpointer key,
     meta_barrier_impl_native_get_instance_private (self);
   MetaBarrier *barrier = priv->barrier;
   MetaClosestBarrierData *data = user_data;
-  Line2 barrier_line;
-  Vector2 intersection;
+  MetaVector2 intersection;
   float dx, dy;
   float distance_2;
 
@@ -391,17 +272,9 @@ update_closest_barrier (gpointer key,
 
   /* Check if the motion intersects with the barrier, and retrieve the
    * intersection point if any. */
-  barrier_line = (Line2) {
-    .a = {
-      .x = barrier->priv->x1,
-      .y = barrier->priv->y1
-    },
-    .b = {
-      .x = barrier->priv->x2,
-      .y = barrier->priv->y2
-    },
-  };
-  if (!lines_intersect (&barrier_line, &data->in.motion, &intersection))
+  if (!meta_line2_intersects_with (&barrier->priv->border.line,
+                                   &data->in.motion,
+                                   &intersection))
     return;
 
   /* Calculate the distance to the barrier and keep track of the closest
@@ -570,9 +443,9 @@ clamp_to_barrier (MetaBarrierImplNative *self,
   if (is_barrier_horizontal (barrier))
     {
       if (*motion_dir & META_BARRIER_DIRECTION_POSITIVE_Y)
-        *y = barrier->priv->y1;
+        *y = barrier->priv->border.line.a.y;
       else if (*motion_dir & META_BARRIER_DIRECTION_NEGATIVE_Y)
-        *y = barrier->priv->y1;
+        *y = barrier->priv->border.line.a.y;
 
       priv->blocked_dir = *motion_dir & (META_BARRIER_DIRECTION_POSITIVE_Y |
                                          META_BARRIER_DIRECTION_NEGATIVE_Y);
@@ -582,9 +455,9 @@ clamp_to_barrier (MetaBarrierImplNative *self,
   else
     {
       if (*motion_dir & META_BARRIER_DIRECTION_POSITIVE_X)
-        *x = barrier->priv->x1;
+        *x = barrier->priv->border.line.a.x;
       else if (*motion_dir & META_BARRIER_DIRECTION_NEGATIVE_X)
-        *x = barrier->priv->x1;
+        *x = barrier->priv->border.line.a.x;
 
       priv->blocked_dir = *motion_dir & (META_BARRIER_DIRECTION_POSITIVE_X |
                                          META_BARRIER_DIRECTION_NEGATIVE_X);

src/backends/native/meta-cursor-renderer-native.c

@@ -29,9 +29,13 @@
 #include <string.h>
 #include <gbm.h>
 #include <xf86drm.h>
+#include <errno.h>
 
 #include <meta/util.h>
+#include <meta/meta-backend.h>
+
 #include "meta-monitor-manager-private.h"
+#include "meta/boxes.h"
 
 #ifndef DRM_CAP_CURSOR_WIDTH
 #define DRM_CAP_CURSOR_WIDTH 0x8
@@ -40,6 +44,19 @@
 #define DRM_CAP_CURSOR_HEIGHT 0x9
 #endif
 
+/* When animating a cursor, we usually call drmModeSetCursor2 once per frame.
+ * Though, testing shows that we need to triple buffer the cursor buffer in
+ * order to avoid glitches when animating the cursor, at least when running on
+ * Intel. The reason for this might be (but is not confirmed to be) due to
+ * the user space gbm_bo cache, making us reuse and overwrite the kernel side
+ * buffer content before it was scanned out. To avoid this, we keep a user space
+ * reference to each buffer we set until at least one frame after it was drawn.
+ * In effect, this means we three active cursor gbm_bo's: one that that just has
+ * been set, one that was previously set and may or may not have been scanned
+ * out, and one pending that will be replaced if the cursor sprite changes.
+ */
+#define HW_CURSOR_BUFFER_COUNT 3
+
 static GQuark quark_cursor_sprite = 0;
 
 struct _MetaCursorRendererNativePrivate
@@ -57,8 +74,25 @@ struct _MetaCursorRendererNativePrivate
 };
 typedef struct _MetaCursorRendererNativePrivate MetaCursorRendererNativePrivate;
 
+typedef enum _MetaCursorGbmBoState
+{
+  META_CURSOR_GBM_BO_STATE_NONE,
+  META_CURSOR_GBM_BO_STATE_SET,
+  META_CURSOR_GBM_BO_STATE_INVALIDATED,
+} MetaCursorGbmBoState;
+
+typedef struct _MetaCursorNativePrivate
+{
+  guint active_bo;
+  MetaCursorGbmBoState pending_bo_state;
+  struct gbm_bo *bos[HW_CURSOR_BUFFER_COUNT];
+} MetaCursorNativePrivate;
+
 G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRendererNative, meta_cursor_renderer_native, META_TYPE_CURSOR_RENDERER);
 
+static MetaCursorNativePrivate *
+ensure_cursor_priv (MetaCursorSprite *cursor_sprite);
+
 static void
 meta_cursor_renderer_native_finalize (GObject *object)
 {
@@ -68,32 +102,56 @@ meta_cursor_renderer_native_finalize (GObject *object)
   if (priv->animation_timeout_id)
     g_source_remove (priv->animation_timeout_id);
 
-  if (priv->gbm)
-    gbm_device_destroy (priv->gbm);
-
   G_OBJECT_CLASS (meta_cursor_renderer_native_parent_class)->finalize (object);
 }
 
+static guint
+get_pending_cursor_sprite_gbm_bo_index (MetaCursorSprite *cursor_sprite)
+{
+  MetaCursorNativePrivate *cursor_priv =
+    g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
+
+  return (cursor_priv->active_bo + 1) % HW_CURSOR_BUFFER_COUNT;
+}
+
 static struct gbm_bo *
-get_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite)
+get_pending_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite)
 {
-  return g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
+  MetaCursorNativePrivate *cursor_priv =
+    g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
+  guint pending_bo;
+
+  if (!cursor_priv)
+    return NULL;
+
+  pending_bo = get_pending_cursor_sprite_gbm_bo_index (cursor_sprite);
+  return cursor_priv->bos[pending_bo];
+}
+
+static struct gbm_bo *
+get_active_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite)
+{
+  MetaCursorNativePrivate *cursor_priv =
+    g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
+
+  if (!cursor_priv)
+    return NULL;
+
+  return cursor_priv->bos[cursor_priv->active_bo];
 }
 
 static void
-cursor_gbm_bo_free (gpointer data)
+set_pending_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite,
+                                  struct gbm_bo    *bo)
 {
-  if (!data)
-    return;
+  MetaCursorNativePrivate *cursor_priv;
+  guint pending_bo;
 
-  gbm_bo_destroy ((struct gbm_bo *)data);
-}
+  cursor_priv = ensure_cursor_priv (cursor_sprite);
 
-static void
-set_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite, struct gbm_bo *bo)
-{
-  g_object_set_qdata_full (G_OBJECT (cursor_sprite), quark_cursor_sprite,
-                           bo, cursor_gbm_bo_free);
+  pending_bo = get_pending_cursor_sprite_gbm_bo_index (cursor_sprite);
+  cursor_priv->bos[pending_bo] = bo;
+  cursor_priv->pending_bo_state = META_CURSOR_GBM_BO_STATE_SET;
 }
 
 static void
@@ -104,55 +162,78 @@ set_crtc_cursor (MetaCursorRendererNative *native,
 {
   MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
 
-  if (crtc->cursor == cursor_sprite && !force)
-    return;
-
-  crtc->cursor = cursor_sprite;
-
   if (cursor_sprite)
     {
+      MetaCursorNativePrivate *cursor_priv =
+        g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
       struct gbm_bo *bo;
       union gbm_bo_handle handle;
       int hot_x, hot_y;
 
-      bo = get_cursor_sprite_gbm_bo (cursor_sprite);
+      if (cursor_priv->pending_bo_state == META_CURSOR_GBM_BO_STATE_SET)
+        bo = get_pending_cursor_sprite_gbm_bo (cursor_sprite);
+      else
+        bo = get_active_cursor_sprite_gbm_bo (cursor_sprite);
+
+      if (!force && bo == crtc->cursor_renderer_private)
+        return;
+
+      crtc->cursor_renderer_private = bo;
+
       handle = gbm_bo_get_handle (bo);
       meta_cursor_sprite_get_hotspot (cursor_sprite, &hot_x, &hot_y);
 
       drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, handle.u32,
                          priv->cursor_width, priv->cursor_height, hot_x, hot_y);
+
+      if (cursor_priv->pending_bo_state == META_CURSOR_GBM_BO_STATE_SET)
+        {
+          cursor_priv->active_bo =
+            (cursor_priv->active_bo + 1) % HW_CURSOR_BUFFER_COUNT;
+          cursor_priv->pending_bo_state = META_CURSOR_GBM_BO_STATE_NONE;
+        }
     }
   else
     {
-      drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, 0, 0, 0, 0, 0);
+      if (force || crtc->cursor_renderer_private != NULL)
+        {
+          drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, 0, 0, 0, 0, 0);
+          crtc->cursor_renderer_private = NULL;
+        }
     }
 }
 
 static void
 update_hw_cursor (MetaCursorRendererNative *native,
+                  MetaCursorSprite         *cursor_sprite,
                   gboolean                  force)
 {
   MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
   MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native);
-  const MetaRectangle *cursor_rect = meta_cursor_renderer_get_rect (renderer);
-  MetaCursorSprite *cursor_sprite = meta_cursor_renderer_get_cursor (renderer);
   MetaMonitorManager *monitors;
   MetaCRTC *crtcs;
   unsigned int i, n_crtcs;
+  MetaRectangle rect;
 
   monitors = meta_monitor_manager_get ();
   meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
 
+  if (cursor_sprite)
+    rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite);
+  else
+    rect = (MetaRectangle) { 0 };
+
   for (i = 0; i < n_crtcs; i++)
     {
-      gboolean crtc_should_have_cursor;
+      gboolean crtc_should_use_cursor;
       MetaCursorSprite *crtc_cursor;
       MetaRectangle *crtc_rect;
 
       crtc_rect = &crtcs[i].rect;
 
-      crtc_should_have_cursor = (priv->has_hw_cursor && meta_rectangle_overlap (cursor_rect, crtc_rect));
-      if (crtc_should_have_cursor)
+      crtc_should_use_cursor = (priv->has_hw_cursor &&
+                                meta_rectangle_overlap (&rect, crtc_rect));
+      if (crtc_should_use_cursor)
         crtc_cursor = cursor_sprite;
       else
         crtc_cursor = NULL;
@@ -162,49 +243,109 @@ update_hw_cursor (MetaCursorRendererNative *native,
       if (crtc_cursor)
         {
           drmModeMoveCursor (priv->drm_fd, crtcs[i].crtc_id,
-                             cursor_rect->x - crtc_rect->x,
-                             cursor_rect->y - crtc_rect->y);
+                             rect.x - crtc_rect->x,
+                             rect.y - crtc_rect->y);
         }
     }
 }
 
 static gboolean
-should_have_hw_cursor (MetaCursorRenderer *renderer)
+has_valid_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite)
 {
-  MetaCursorSprite *cursor_sprite = meta_cursor_renderer_get_cursor (renderer);
+  MetaCursorNativePrivate *cursor_priv =
+    g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
 
-  if (cursor_sprite)
-    return (get_cursor_sprite_gbm_bo (cursor_sprite) != NULL);
-  else
+  if (!cursor_priv)
     return FALSE;
+
+  switch (cursor_priv->pending_bo_state)
+    {
+    case META_CURSOR_GBM_BO_STATE_NONE:
+      return get_active_cursor_sprite_gbm_bo (cursor_sprite) != NULL;
+    case META_CURSOR_GBM_BO_STATE_SET:
+      return TRUE;
+    case META_CURSOR_GBM_BO_STATE_INVALIDATED:
+      return FALSE;
+    }
+
+  g_assert_not_reached ();
+
+  return FALSE;
+}
+
+static gboolean
+cursor_over_transformed_crtc (MetaCursorRenderer *renderer,
+                              MetaCursorSprite   *cursor_sprite)
+{
+  MetaMonitorManager *monitors;
+  MetaCRTC *crtcs;
+  unsigned int i, n_crtcs;
+  MetaRectangle rect;
+
+  monitors = meta_monitor_manager_get ();
+  meta_monitor_manager_get_resources (monitors, NULL, NULL,
+                                      &crtcs, &n_crtcs, NULL, NULL);
+  rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite);
+
+  for (i = 0; i < n_crtcs; i++)
+    {
+      if (!meta_rectangle_overlap (&rect, &crtcs[i].rect))
+        continue;
+
+      if (crtcs[i].transform != META_MONITOR_TRANSFORM_NORMAL)
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
+static gboolean
+should_have_hw_cursor (MetaCursorRenderer *renderer,
+                       MetaCursorSprite   *cursor_sprite)
+{
+  CoglTexture *texture;
+
+  if (!cursor_sprite)
+    return FALSE;
+
+  if (cursor_over_transformed_crtc (renderer, cursor_sprite))
+    return FALSE;
+
+  texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
+  if (!texture)
+    return FALSE;
+
+  if (meta_cursor_sprite_get_texture_scale (cursor_sprite) != 1)
+    return FALSE;
+
+  if (!has_valid_cursor_sprite_gbm_bo (cursor_sprite))
+    return FALSE;
+
+  return TRUE;
 }
 
 static gboolean
 meta_cursor_renderer_native_update_animation (MetaCursorRendererNative *native)
 {
   MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
-  MetaCursorSprite *cursor_sprite;
+  MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native);
+  MetaCursorSprite *cursor_sprite = meta_cursor_renderer_get_cursor (renderer);
 
   priv->animation_timeout_id = 0;
-  cursor_sprite =
-    meta_cursor_renderer_get_cursor (META_CURSOR_RENDERER (native));
   meta_cursor_sprite_tick_frame (cursor_sprite);
-  meta_cursor_renderer_force_update (META_CURSOR_RENDERER (native));
-  meta_cursor_renderer_native_force_update (native);
+  meta_cursor_renderer_force_update (renderer);
 
   return G_SOURCE_REMOVE;
 }
 
 static void
-meta_cursor_renderer_native_trigger_frame (MetaCursorRendererNative *native)
+meta_cursor_renderer_native_trigger_frame (MetaCursorRendererNative *native,
+                                           MetaCursorSprite         *cursor_sprite)
 {
   MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
-  MetaCursorSprite *cursor_sprite;
   gboolean cursor_change;
   guint delay;
 
-  cursor_sprite =
-    meta_cursor_renderer_get_cursor (META_CURSOR_RENDERER (native));
   cursor_change = cursor_sprite != priv->last_cursor;
   priv->last_cursor = cursor_sprite;
 
@@ -234,15 +375,19 @@ meta_cursor_renderer_native_trigger_frame (MetaCursorRendererNative *native)
 }
 
 static gboolean
-meta_cursor_renderer_native_update_cursor (MetaCursorRenderer *renderer)
+meta_cursor_renderer_native_update_cursor (MetaCursorRenderer *renderer,
+                                           MetaCursorSprite   *cursor_sprite)
 {
   MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer);
   MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
 
-  meta_cursor_renderer_native_trigger_frame (native);
+  if (cursor_sprite)
+    meta_cursor_sprite_realize_texture (cursor_sprite);
 
-  priv->has_hw_cursor = should_have_hw_cursor (renderer);
-  update_hw_cursor (native, FALSE);
+  meta_cursor_renderer_native_trigger_frame (native, cursor_sprite);
+
+  priv->has_hw_cursor = should_have_hw_cursor (renderer, cursor_sprite);
+  update_hw_cursor (native, cursor_sprite, FALSE);
   return priv->has_hw_cursor;
 }
 
@@ -257,6 +402,38 @@ get_hardware_cursor_size (MetaCursorRendererNative *native,
   *height = priv->cursor_height;
 }
 
+static void
+cursor_priv_free (gpointer data)
+{
+  MetaCursorNativePrivate *cursor_priv = data;
+  guint i;
+
+  if (!data)
+    return;
+
+  for (i = 0; i < HW_CURSOR_BUFFER_COUNT; i++)
+    g_clear_pointer (&cursor_priv->bos[0], (GDestroyNotify) gbm_bo_destroy);
+  g_slice_free (MetaCursorNativePrivate, cursor_priv);
+}
+
+static MetaCursorNativePrivate *
+ensure_cursor_priv (MetaCursorSprite *cursor_sprite)
+{
+  MetaCursorNativePrivate *cursor_priv =
+    g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
+
+  if (!cursor_priv)
+    {
+      cursor_priv = g_slice_new0 (MetaCursorNativePrivate);
+      g_object_set_qdata_full (G_OBJECT (cursor_sprite),
+                               quark_cursor_sprite,
+                               cursor_priv,
+                               cursor_priv_free);
+    }
+
+  return cursor_priv;
+}
+
 static void
 load_cursor_sprite_gbm_buffer (MetaCursorRendererNative *native,
                                MetaCursorSprite         *cursor_sprite,
@@ -288,17 +465,45 @@ load_cursor_sprite_gbm_buffer (MetaCursorRendererNative *native,
 
       bo = gbm_bo_create (priv->gbm, cursor_width, cursor_height,
                           gbm_format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
+      if (!bo)
+        {
+          meta_warning ("Failed to allocate HW cursor buffer\n");
+          return;
+        }
 
       memset (buf, 0, sizeof(buf));
       for (i = 0; i < height; i++)
         memcpy (buf + i * 4 * cursor_width, pixels + i * rowstride, width * 4);
+      if (gbm_bo_write (bo, buf, cursor_width * cursor_height * 4) != 0)
+        {
+          meta_warning ("Failed to write cursors buffer data: %s",
+                        g_strerror (errno));
+          gbm_bo_destroy (bo);
+          return;
+        }
 
-      gbm_bo_write (bo, buf, cursor_width * cursor_height * 4);
-
-      set_cursor_sprite_gbm_bo (cursor_sprite, bo);
+      set_pending_cursor_sprite_gbm_bo (cursor_sprite, bo);
     }
   else
-    meta_warning ("HW cursor for format %d not supported\n", gbm_format);
+    {
+      meta_warning ("HW cursor for format %d not supported\n", gbm_format);
+    }
+}
+
+static void
+invalidate_pending_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite)
+{
+  MetaCursorNativePrivate *cursor_priv =
+    g_object_get_qdata (G_OBJECT (cursor_sprite), quark_cursor_sprite);
+  guint pending_bo;
+
+  if (!cursor_priv)
+    return;
+
+  pending_bo = get_pending_cursor_sprite_gbm_bo_index (cursor_sprite);
+  g_clear_pointer (&cursor_priv->bos[pending_bo],
+                   (GDestroyNotify) gbm_bo_destroy);
+  cursor_priv->pending_bo_state = META_CURSOR_GBM_BO_STATE_INVALIDATED;
 }
 
 #ifdef HAVE_WAYLAND
@@ -312,10 +517,17 @@ meta_cursor_renderer_native_realize_cursor_from_wl_buffer (MetaCursorRenderer *r
     meta_cursor_renderer_native_get_instance_private (native);
   uint32_t gbm_format;
   uint64_t cursor_width, cursor_height;
+  CoglTexture *texture;
   uint width, height;
 
-  width = meta_cursor_sprite_get_width (cursor_sprite);
-  height = meta_cursor_sprite_get_height (cursor_sprite);
+  /* Destroy any previous pending cursor buffer; we'll always either fail (which
+   * should unset, or succeed, which will set new buffer.
+   */
+  invalidate_pending_cursor_sprite_gbm_bo (cursor_sprite);
+
+  texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
+  width = cogl_texture_get_width (texture);
+  height = cogl_texture_get_height (texture);
 
   struct wl_shm_buffer *shm_buffer = wl_shm_buffer_get (buffer);
   if (shm_buffer)
@@ -384,7 +596,7 @@ meta_cursor_renderer_native_realize_cursor_from_wl_buffer (MetaCursorRenderer *r
           return;
         }
 
-      set_cursor_sprite_gbm_bo (cursor_sprite, bo);
+      set_pending_cursor_sprite_gbm_bo (cursor_sprite, bo);
     }
 }
 #endif
@@ -396,6 +608,8 @@ meta_cursor_renderer_native_realize_cursor_from_xcursor (MetaCursorRenderer *ren
 {
   MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer);
 
+  invalidate_pending_cursor_sprite_gbm_bo (cursor_sprite);
+
   load_cursor_sprite_gbm_buffer (native,
                                  cursor_sprite,
                                  (uint8_t *) xc_image->pixels,
@@ -423,12 +637,20 @@ meta_cursor_renderer_native_class_init (MetaCursorRendererNativeClass *klass)
   quark_cursor_sprite = g_quark_from_static_string ("-meta-cursor-native");
 }
 
+static void
+force_update_hw_cursor (MetaCursorRendererNative *native)
+{
+  MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native);
+
+  update_hw_cursor (native, meta_cursor_renderer_get_cursor (renderer), TRUE);
+}
+
 static void
 on_monitors_changed (MetaMonitorManager       *monitors,
                      MetaCursorRendererNative *native)
 {
   /* Our tracking is all messed up, so force an update. */
-  update_hw_cursor (native, TRUE);
+  force_update_hw_cursor (native);
 }
 
 static void
@@ -447,7 +669,7 @@ meta_cursor_renderer_native_init (MetaCursorRendererNative *native)
     {
       CoglRenderer *cogl_renderer = cogl_display_get_renderer (cogl_context_get_display (ctx));
       priv->drm_fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
-      priv->gbm = gbm_create_device (priv->drm_fd);
+      priv->gbm = cogl_kms_renderer_get_gbm (cogl_renderer);
 
       uint64_t width, height;
       if (drmGetCap (priv->drm_fd, DRM_CAP_CURSOR_WIDTH, &width) == 0 &&
@@ -476,5 +698,5 @@ meta_cursor_renderer_native_get_gbm_device (MetaCursorRendererNative *native)
 void
 meta_cursor_renderer_native_force_update (MetaCursorRendererNative *native)
 {
-  update_hw_cursor (native, TRUE);
+  force_update_hw_cursor (native);
 }

src/backends/native/meta-idle-monitor-native.c

@@ -164,56 +164,36 @@ meta_idle_monitor_native_init (MetaIdleMonitorNative *monitor_native)
   monitor->watches = g_hash_table_new_full (NULL, NULL, NULL, free_watch);
 }
 
-typedef struct {
-  MetaIdleMonitorNative *monitor_native;
-  GList *fired_watches;
-} CheckNativeClosure;
-
-static gboolean
-check_native_watch (gpointer key,
-                    gpointer value,
-                    gpointer user_data)
-{
-  MetaIdleMonitorWatchNative *watch_native = value;
-  MetaIdleMonitorWatch *watch = (MetaIdleMonitorWatch *) watch_native;
-  CheckNativeClosure *closure = user_data;
-  gboolean steal;
-
-  if (watch->timeout_msec == 0)
-    {
-      closure->fired_watches = g_list_prepend (closure->fired_watches, watch);
-      steal = TRUE;
-    }
-  else
-    {
-      g_source_set_ready_time (watch_native->timeout_source,
-                               closure->monitor_native->last_event_time +
-                               watch->timeout_msec * 1000);
-      steal = FALSE;
-    }
-
-  return steal;
-}
-
-static void
-fire_native_watch (gpointer watch,
-                   gpointer data)
-{
-  _meta_idle_monitor_watch_fire (watch);
-}
-
 void
 meta_idle_monitor_native_reset_idletime (MetaIdleMonitor *monitor)
 {
   MetaIdleMonitorNative *monitor_native = META_IDLE_MONITOR_NATIVE (monitor);
-  CheckNativeClosure closure;
+  GList *node, *watch_ids;
 
   monitor_native->last_event_time = g_get_monotonic_time ();
 
-  closure.monitor_native = monitor_native;
-  closure.fired_watches = NULL;
-  g_hash_table_foreach_steal (monitor->watches, check_native_watch, &closure);
+  watch_ids = g_hash_table_get_keys (monitor->watches);
 
-  g_list_foreach (closure.fired_watches, fire_native_watch, NULL);
-  g_list_free (closure.fired_watches);
+  for (node = watch_ids; node != NULL; node = node->next)
+    {
+      guint watch_id = GPOINTER_TO_UINT (node->data);
+      MetaIdleMonitorWatchNative *watch;
+
+      watch = g_hash_table_lookup (monitor->watches, GUINT_TO_POINTER (watch_id));
+      if (!watch)
+        continue;
+
+      if (watch->base.timeout_msec == 0)
+        {
+          _meta_idle_monitor_watch_fire ((MetaIdleMonitorWatch *) watch);
+        }
+      else
+        {
+          g_source_set_ready_time (watch->timeout_source,
+                                   monitor_native->last_event_time +
+                                   watch->base.timeout_msec * 1000);
+        }
+    }
+
+  g_list_free (watch_ids);
 }

src/backends/native/meta-input-settings-native.c

@@ -154,30 +154,30 @@ device_set_click_method (struct libinput_device            *libinput_device,
 }
 
 static void
-meta_input_settings_native_set_scroll_method (MetaInputSettings            *settings,
-                                              ClutterInputDevice           *device,
-                                              GDesktopTouchpadScrollMethod  mode)
+meta_input_settings_native_set_edge_scroll (MetaInputSettings            *settings,
+                                            ClutterInputDevice           *device,
+                                            gboolean                      edge_scrolling_enabled)
 {
   enum libinput_config_scroll_method scroll_method = 0;
   struct libinput_device *libinput_device;
+  enum libinput_config_scroll_method supported;
 
   libinput_device = clutter_evdev_input_device_get_libinput_device (device);
+  supported = libinput_device_config_scroll_get_methods (libinput_device);
 
-  switch (mode)
+  if (supported & LIBINPUT_CONFIG_SCROLL_2FG)
     {
-    case G_DESKTOP_TOUCHPAD_SCROLL_METHOD_DISABLED:
-      scroll_method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
-      break;
-    case G_DESKTOP_TOUCHPAD_SCROLL_METHOD_EDGE_SCROLLING:
-      scroll_method = LIBINPUT_CONFIG_SCROLL_EDGE;
-      break;
-    case G_DESKTOP_TOUCHPAD_SCROLL_METHOD_TWO_FINGER_SCROLLING:
       scroll_method = LIBINPUT_CONFIG_SCROLL_2FG;
-      break;
-    default:
-      g_assert_not_reached ();
-      return;
-  }
+    }
+  else if (supported & LIBINPUT_CONFIG_SCROLL_EDGE &&
+           edge_scrolling_enabled)
+    {
+      scroll_method = LIBINPUT_CONFIG_SCROLL_EDGE;
+    }
+  else
+    {
+      scroll_method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
+    }
 
   device_set_scroll_method (libinput_device, scroll_method);
 }
@@ -252,7 +252,7 @@ meta_input_settings_native_class_init (MetaInputSettingsNativeClass *klass)
   input_settings_class->set_left_handed = meta_input_settings_native_set_left_handed;
   input_settings_class->set_tap_enabled = meta_input_settings_native_set_tap_enabled;
   input_settings_class->set_invert_scroll = meta_input_settings_native_set_invert_scroll;
-  input_settings_class->set_scroll_method = meta_input_settings_native_set_scroll_method;
+  input_settings_class->set_edge_scroll = meta_input_settings_native_set_edge_scroll;
   input_settings_class->set_scroll_button = meta_input_settings_native_set_scroll_button;
   input_settings_class->set_click_method = meta_input_settings_native_set_click_method;
   input_settings_class->set_keyboard_repeat = meta_input_settings_native_set_keyboard_repeat;

src/backends/native/meta-launcher.c

@@ -37,6 +37,7 @@
 #include <unistd.h>
 
 #include <systemd/sd-login.h>
+#include <gudev/gudev.h>
 
 #include "dbus-utils.h"
 #include "meta-dbus-login1.h"
@@ -45,6 +46,12 @@
 #include "meta-cursor-renderer-native.h"
 #include "meta-idle-monitor-native.h"
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GUdevDevice, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GUdevClient, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GUdevEnumerator, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(Login1Session, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(Login1Seat, g_object_unref)
+
 struct _MetaLauncher
 {
   Login1Session *session_proxy;
@@ -54,14 +61,21 @@ struct _MetaLauncher
 };
 
 static Login1Session *
-get_session_proxy (GCancellable *cancellable)
+get_session_proxy (GCancellable *cancellable,
+                   GError      **error)
 {
-  char *proxy_path;
-  char *session_id;
+  g_autofree char *proxy_path = NULL;
+  g_autofree char *session_id = NULL;
   Login1Session *session_proxy;
 
   if (sd_pid_get_session (getpid (), &session_id) < 0)
-    return NULL;
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get session ID: %m");
+      return NULL;
+    }
 
   proxy_path = get_escaped_dbus_path ("/org/freedesktop/login1/session", session_id);
 
@@ -69,31 +83,37 @@ get_session_proxy (GCancellable *cancellable)
                                                          G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
                                                          "org.freedesktop.login1",
                                                          proxy_path,
-                                                         cancellable, NULL);
-  free (proxy_path);
+                                                         cancellable, error);
+  if (!session_proxy)
+    g_prefix_error(error, "Could not get session proxy: ");
 
   return session_proxy;
 }
 
 static Login1Seat *
-get_seat_proxy (GCancellable *cancellable)
+get_seat_proxy (GCancellable *cancellable,
+                GError      **error)
 {
-  return login1_seat_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
-                                             G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
-                                             "org.freedesktop.login1",
-                                             "/org/freedesktop/login1/seat/self",
-                                             cancellable, NULL);
+  Login1Seat *seat = login1_seat_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+                                                         G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
+                                                         "org.freedesktop.login1",
+                                                         "/org/freedesktop/login1/seat/self",
+                                                         cancellable, error);
+  if (!seat)
+    g_prefix_error(error, "Could not get seat proxy: ");
+
+  return seat;
 }
 
 static void
 session_unpause (void)
 {
-  ClutterBackend *backend;
+  ClutterBackend *clutter_backend;
   CoglContext *cogl_context;
   CoglDisplay *cogl_display;
 
-  backend = clutter_get_default_backend ();
-  cogl_context = clutter_backend_get_cogl_context (backend);
+  clutter_backend = clutter_get_default_backend ();
+  cogl_context = clutter_backend_get_cogl_context (clutter_backend);
   cogl_display = cogl_context_get_display (cogl_context);
   cogl_kms_display_queue_modes_reset (cogl_display);
 
@@ -262,25 +282,111 @@ on_active_changed (Login1Session *session,
   sync_active (self);
 }
 
+static gchar *
+get_primary_gpu_path (const gchar *seat_name)
+{
+  const gchar *subsystems[] = {"drm", NULL};
+  gchar *path = NULL;
+  GList *devices, *tmp;
+
+  g_autoptr (GUdevClient) gudev_client = g_udev_client_new (subsystems);
+  g_autoptr (GUdevEnumerator) enumerator = g_udev_enumerator_new (gudev_client);
+
+  g_udev_enumerator_add_match_name (enumerator, "card*");
+  g_udev_enumerator_add_match_tag (enumerator, "seat");
+
+  devices = g_udev_enumerator_execute (enumerator);
+  if (!devices)
+    goto out;
+
+  for (tmp = devices; tmp != NULL; tmp = tmp->next)
+    {
+      g_autoptr (GUdevDevice) platform_device = NULL;
+      g_autoptr (GUdevDevice) pci_device = NULL;
+      GUdevDevice *dev = tmp->data;
+      gint boot_vga;
+      const gchar *device_seat;
+
+      /* filter out devices that are not character device, like card0-VGA-1 */
+      if (g_udev_device_get_device_type (dev) != G_UDEV_DEVICE_TYPE_CHAR)
+        continue;
+
+      device_seat = g_udev_device_get_property (dev, "ID_SEAT");
+      if (!device_seat)
+        {
+          /* when ID_SEAT is not set, it means seat0 */
+          device_seat = "seat0";
+        }
+      else if (g_strcmp0 (device_seat, "seat0") != 0)
+        {
+          /* if the device has been explicitly assigned other seat
+           * than seat0, it is probably the right device to use */
+          path = g_strdup (g_udev_device_get_device_file (dev));
+          break;
+        }
+
+      /* skip devices that do not belong to our seat */
+      if (g_strcmp0 (seat_name, device_seat))
+        continue;
+
+      platform_device = g_udev_device_get_parent_with_subsystem (dev, "platform", NULL);
+      if (platform_device != NULL)
+        {
+          path = g_strdup (g_udev_device_get_device_file (dev));
+          break;
+        }
+
+      pci_device = g_udev_device_get_parent_with_subsystem (dev, "pci", NULL);
+      if (pci_device != NULL)
+        {
+          /* get value of boot_vga attribute or 0 if the device has no boot_vga */
+          boot_vga = g_udev_device_get_sysfs_attr_as_int (pci_device, "boot_vga");
+          if (boot_vga == 1)
+            {
+              /* found the boot_vga device */
+              path = g_strdup (g_udev_device_get_device_file (dev));
+              break;
+            }
+        }
+    }
+
+  g_list_free_full (devices, g_object_unref);
+
+out:
+  return path;
+}
+
 static gboolean
 get_kms_fd (Login1Session *session_proxy,
-            int *fd_out)
+            const gchar   *seat_id,
+            int           *fd_out,
+            GError       **error)
 {
   int major, minor;
   int fd;
-  GError *error = NULL;
 
-  /* XXX -- use udev to find the DRM master device */
-  if (!get_device_info_from_path ("/dev/dri/card0", &major, &minor))
+  g_autofree gchar *path = get_primary_gpu_path (seat_id);
+  if (!path)
     {
-      g_warning ("Could not stat /dev/dri/card0: %m");
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "could not find drm kms device");
       return FALSE;
     }
 
-  if (!take_device (session_proxy, major, minor, &fd, NULL, &error))
+  if (!get_device_info_from_path (path, &major, &minor))
     {
-      g_warning ("Could not open DRM device: %s\n", error->message);
-      g_error_free (error);
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get device info for path %s: %m", path);
+      return FALSE;
+    }
+
+  if (!take_device (session_proxy, major, minor, &fd, NULL, error))
+    {
+      g_prefix_error (error, "Could not open DRM device: ");
       return FALSE;
     }
 
@@ -289,28 +395,72 @@ get_kms_fd (Login1Session *session_proxy,
   return TRUE;
 }
 
-MetaLauncher *
-meta_launcher_new (void)
+static gchar *
+get_seat_id (GError **error)
 {
-  MetaLauncher *self = NULL;
-  Login1Session *session_proxy;
-  GError *error = NULL;
-  int kms_fd;
+  g_autofree char *session_id = NULL;
+  char *seat_id = NULL;
+  int r;
 
-  session_proxy = get_session_proxy (NULL);
-  if (!login1_session_call_take_control_sync (session_proxy, FALSE, NULL, &error))
+  r = sd_pid_get_session (0, &session_id);
+  if (r < 0)
     {
-      g_warning ("Could not take control: %s", error->message);
-      g_error_free (error);
-      goto out;
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get session for PID: %s", g_strerror (-r));
+      return NULL;
     }
 
-  if (!get_kms_fd (session_proxy, &kms_fd))
-    goto out;
+  r = sd_session_get_seat (session_id, &seat_id);
+  if (r < 0)
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get seat for session: %s", g_strerror (-r));
+      return NULL;
+    }
+
+  return seat_id;
+}
+
+MetaLauncher *
+meta_launcher_new (GError **error)
+{
+  MetaLauncher *self = NULL;
+  g_autoptr (Login1Session) session_proxy = NULL;
+  g_autoptr (Login1Seat) seat_proxy = NULL;
+  g_autofree char *seat_id = NULL;
+  gboolean have_control = FALSE;
+  int kms_fd;
+
+  session_proxy = get_session_proxy (NULL, error);
+  if (!session_proxy)
+    goto fail;
+
+  if (!login1_session_call_take_control_sync (session_proxy, FALSE, NULL, error))
+    {
+      g_prefix_error (error, "Could not take control: ");
+      goto fail;
+    }
+
+  have_control = TRUE;
+
+  seat_id = get_seat_id (error);
+  if (!seat_id)
+    goto fail;
+
+  seat_proxy = get_seat_proxy (NULL, error);
+  if (!seat_proxy)
+    goto fail;
+
+  if (!get_kms_fd (session_proxy, seat_id, &kms_fd, error))
+    goto fail;
 
   self = g_slice_new0 (MetaLauncher);
   self->session_proxy = g_object_ref (session_proxy);
-  self->seat_proxy = get_seat_proxy (NULL);
+  self->seat_proxy = g_object_ref (seat_proxy);
 
   self->session_active = TRUE;
 
@@ -320,11 +470,12 @@ meta_launcher_new (void)
                                       self);
 
   g_signal_connect (self->session_proxy, "notify::active", G_CALLBACK (on_active_changed), self);
-
-out:
-  g_object_unref (session_proxy);
-
   return self;
+
+ fail:
+  if (have_control)
+    login1_session_call_release_control_sync (session_proxy, NULL, NULL);
+  return NULL;
 }
 
 void

src/backends/native/meta-launcher.h

@@ -24,7 +24,7 @@
 
 typedef struct _MetaLauncher MetaLauncher;
 
-MetaLauncher     *meta_launcher_new                     (void);
+MetaLauncher     *meta_launcher_new                     (GError       **error);
 void              meta_launcher_free                    (MetaLauncher  *self);
 
 gboolean          meta_launcher_activate_session        (MetaLauncher  *self,

src/backends/native/meta-monitor-manager-kms.c

@@ -42,6 +42,8 @@
 
 #include <gudev/gudev.h>
 
+#define ALL_TRANSFORMS (META_MONITOR_TRANSFORM_FLIPPED_270 + 1)
+
 typedef struct {
   drmModeConnector *connector;
 
@@ -66,6 +68,9 @@ typedef struct {
   uint32_t underscan_prop_id;
   uint32_t underscan_hborder_prop_id;
   uint32_t underscan_vborder_prop_id;
+  uint32_t primary_plane_id;
+  uint32_t rotation_prop_id;
+  uint32_t rotation_map[ALL_TRANSFORMS];
 } MetaCRTCKms;
 
 struct _MetaMonitorManagerKms
@@ -429,6 +434,137 @@ get_output_scale (MetaMonitorManager *manager,
     return compute_scale (output);
 }
 
+static int
+find_property_index (MetaMonitorManager         *manager,
+                     drmModeObjectPropertiesPtr  props,
+                     const gchar                *prop_name,
+                     drmModePropertyPtr         *found)
+{
+  MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
+  unsigned int i;
+
+  for (i = 0; i < props->count_props; i++)
+    {
+      drmModePropertyPtr prop;
+
+      prop = drmModeGetProperty (manager_kms->fd, props->props[i]);
+      if (!prop)
+        continue;
+
+      if (strcmp (prop->name, prop_name) == 0)
+        {
+          *found = prop;
+          return i;
+        }
+
+      drmModeFreeProperty (prop);
+    }
+
+  return -1;
+}
+
+static void
+parse_transforms (MetaMonitorManager *manager,
+                  drmModePropertyPtr  prop,
+                  MetaCRTC           *crtc)
+{
+  MetaCRTCKms *crtc_kms = crtc->driver_private;
+  int i;
+
+  for (i = 0; i < prop->count_enums; i++)
+    {
+      int cur = -1;
+
+      if (strcmp (prop->enums[i].name, "rotate-0") == 0)
+        cur = META_MONITOR_TRANSFORM_NORMAL;
+      else if (strcmp (prop->enums[i].name, "rotate-90") == 0)
+        cur = META_MONITOR_TRANSFORM_90;
+      else if (strcmp (prop->enums[i].name, "rotate-180") == 0)
+        cur = META_MONITOR_TRANSFORM_180;
+      else if (strcmp (prop->enums[i].name, "rotate-270") == 0)
+        cur = META_MONITOR_TRANSFORM_270;
+
+      if (cur != -1)
+        {
+          crtc->all_transforms |= 1 << cur;
+          crtc_kms->rotation_map[cur] = 1 << prop->enums[i].value;
+        }
+    }
+}
+
+static gboolean
+is_primary_plane (MetaMonitorManager         *manager,
+                  drmModeObjectPropertiesPtr  props)
+{
+  drmModePropertyPtr prop;
+  int idx;
+
+  idx = find_property_index (manager, props, "type", &prop);
+  if (idx < 0)
+    return FALSE;
+
+  drmModeFreeProperty (prop);
+  return props->prop_values[idx] == DRM_PLANE_TYPE_PRIMARY;
+}
+
+static void
+init_crtc_rotations (MetaMonitorManager *manager,
+                     MetaCRTC           *crtc,
+                     unsigned int        idx)
+{
+  MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
+  drmModeObjectPropertiesPtr props;
+  drmModePlaneRes *planes;
+  drmModePlane *drm_plane;
+  MetaCRTCKms *crtc_kms;
+  unsigned int i;
+
+  crtc_kms = crtc->driver_private;
+
+  planes = drmModeGetPlaneResources(manager_kms->fd);
+  if (planes == NULL)
+    return;
+
+  for (i = 0; i < planes->count_planes; i++)
+    {
+      drmModePropertyPtr prop;
+
+      drm_plane = drmModeGetPlane (manager_kms->fd, planes->planes[i]);
+
+      if (!drm_plane)
+        continue;
+
+      if ((drm_plane->possible_crtcs & (1 << idx)))
+        {
+          props = drmModeObjectGetProperties (manager_kms->fd,
+                                              drm_plane->plane_id,
+                                              DRM_MODE_OBJECT_PLANE);
+
+          if (props && is_primary_plane (manager, props))
+            {
+              int rotation_idx;
+
+              crtc_kms->primary_plane_id = drm_plane->plane_id;
+              rotation_idx = find_property_index (manager, props, "rotation", &prop);
+
+              if (rotation_idx >= 0)
+                {
+                  crtc_kms->rotation_prop_id = props->props[rotation_idx];
+                  parse_transforms (manager, prop, crtc);
+                  drmModeFreeProperty (prop);
+                }
+            }
+
+          if (props)
+            drmModeFreeObjectProperties (props);
+        }
+
+      drmModeFreePlane (drm_plane);
+    }
+
+  drmModeFreePlaneResources (planes);
+}
+
 static void
 meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
 {
@@ -496,8 +632,18 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
       meta_mode->name = g_strndup (mode->name, DRM_DISPLAY_MODE_LEN);
       meta_mode->width = mode->hdisplay;
       meta_mode->height = mode->vdisplay;
-      meta_mode->refresh_rate = (1000 * mode->clock /
-                                 ((float)mode->htotal * mode->vtotal));
+
+      /* Calculate refresh rate in milliHz first for extra precision. */
+      meta_mode->refresh_rate = (mode->clock * 1000000LL) / mode->htotal;
+      meta_mode->refresh_rate += (mode->vtotal / 2);
+      meta_mode->refresh_rate /= mode->vtotal;
+      if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+	meta_mode->refresh_rate *= 2;
+      if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+        meta_mode->refresh_rate /= 2;
+      if (mode->vscan > 1)
+        meta_mode->refresh_rate /= mode->vscan;
+      meta_mode->refresh_rate /= 1000.0;
 
       meta_mode->driver_private = g_slice_dup (drmModeModeInfo, mode);
       meta_mode->driver_notify = (GDestroyNotify)meta_monitor_mode_destroy_notify;
@@ -546,6 +692,7 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
       meta_crtc->driver_private = g_new0 (MetaCRTCKms, 1);
       meta_crtc->driver_notify = (GDestroyNotify) meta_crtc_destroy_notify;
       find_crtc_properties (manager_kms, meta_crtc);
+      init_crtc_rotations (manager, meta_crtc, i);
 
       drmModeFreeCrtc (crtc);
     }
@@ -928,6 +1075,7 @@ meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager,
     {
       MetaCRTCInfo *crtc_info = crtcs[i];
       MetaCRTC *crtc = crtc_info->crtc;
+      MetaCRTCKms *crtc_kms = crtc->driver_private;
       CoglKmsCrtc *cogl_crtc;
 
       crtc->is_dirty = TRUE;
@@ -1000,6 +1148,13 @@ meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager,
           crtc->current_mode = mode;
           crtc->transform = crtc_info->transform;
         }
+
+      if (crtc->all_transforms & (1 << crtc->transform))
+        drmModeObjectSetProperty (manager_kms->fd,
+                                  crtc_kms->primary_plane_id,
+                                  DRM_MODE_OBJECT_PLANE,
+                                  crtc_kms->rotation_prop_id,
+                                  crtc_kms->rotation_map[crtc->transform]);
     }
 
   /* Disable CRTCs not mentioned in the list (they have is_dirty == FALSE,
@@ -1152,6 +1307,8 @@ meta_monitor_manager_kms_init (MetaMonitorManagerKms *manager_kms)
 
   manager_kms->fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
 
+  drmSetClientCap (manager_kms->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
+
   const char *subsystems[2] = { "drm", NULL };
   manager_kms->udev = g_udev_client_new (subsystems);
   g_signal_connect (manager_kms->udev, "uevent",

src/backends/x11/meta-backend-x11.c

@@ -40,7 +40,11 @@
 #include "meta-idle-monitor-xsync.h"
 #include "meta-monitor-manager-xrandr.h"
 #include "backends/meta-monitor-manager-dummy.h"
+#include "backends/x11/nested/meta-cursor-renderer-x11-nested.h"
 #include "meta-cursor-renderer-x11.h"
+#ifdef HAVE_WAYLAND
+#include "wayland/meta-wayland.h"
+#endif
 
 #include <meta/util.h>
 #include "display-private.h"
@@ -78,6 +82,7 @@ struct _MetaBackendX11Private
   gchar *keymap_layouts;
   gchar *keymap_variants;
   gchar *keymap_options;
+  int locked_group;
 };
 typedef struct _MetaBackendX11Private MetaBackendX11Private;
 
@@ -269,20 +274,47 @@ handle_host_xevent (MetaBackend *backend,
       }
   }
 
+  if (priv->mode == META_BACKEND_X11_MODE_NESTED && event->type == FocusIn)
+    {
+#ifdef HAVE_WAYLAND
+      Window xwin = meta_backend_x11_get_xwindow(x11);
+      XEvent xev;
+
+      if (event->xfocus.window == xwin)
+        {
+          /* Since we've selected for KeymapStateMask, every FocusIn is followed immediately
+           * by a KeymapNotify event */
+          XMaskEvent(priv->xdisplay, KeymapStateMask, &xev);
+          MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
+          meta_wayland_compositor_update_key_state (compositor, xev.xkeymap.key_vector, 32, 8);
+        }
+#else
+      g_assert_not_reached ();
+#endif
+    }
+
   if (event->type == (priv->xsync_event_base + XSyncAlarmNotify))
     handle_alarm_notify (backend, event);
 
   if (event->type == priv->xkb_event_base)
     {
-      XkbAnyEvent *xkb_ev = (XkbAnyEvent *) event;
+      XkbEvent *xkb_ev = (XkbEvent *) event;
 
-      if (xkb_ev->device == META_VIRTUAL_CORE_KEYBOARD_ID)
+      if (xkb_ev->any.device == META_VIRTUAL_CORE_KEYBOARD_ID)
         {
-          switch (xkb_ev->xkb_type)
+          switch (xkb_ev->any.xkb_type)
             {
             case XkbNewKeyboardNotify:
             case XkbMapNotify:
               keymap_changed (backend);
+              break;
+            case XkbStateNotify:
+              if (xkb_ev->state.changed & XkbGroupLockMask)
+                {
+                  if (priv->locked_group != xkb_ev->state.locked_group)
+                    XkbLockGroup (priv->xdisplay, XkbUseCoreKbd, priv->locked_group);
+                }
+              break;
             default:
               break;
             }
@@ -418,6 +450,7 @@ meta_backend_x11_post_init (MetaBackend *backend)
   MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
   MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
   int major, minor;
+  gboolean has_xi = FALSE;
 
   priv->xdisplay = clutter_x11_get_default_display ();
 
@@ -427,27 +460,23 @@ meta_backend_x11_post_init (MetaBackend *backend)
       !XSyncInitialize (priv->xdisplay, &major, &minor))
     meta_fatal ("Could not initialize XSync");
 
-  {
-    int major = 2, minor = 3;
-    gboolean has_xi = FALSE;
+  if (XQueryExtension (priv->xdisplay,
+                       "XInputExtension",
+                       &priv->xinput_opcode,
+                       &priv->xinput_error_base,
+                       &priv->xinput_event_base))
+    {
+      major = 2; minor = 3;
+      if (XIQueryVersion (priv->xdisplay, &major, &minor) == Success)
+        {
+          int version = (major * 10) + minor;
+          if (version >= 22)
+            has_xi = TRUE;
+        }
+    }
 
-    if (XQueryExtension (priv->xdisplay,
-                         "XInputExtension",
-                         &priv->xinput_opcode,
-                         &priv->xinput_error_base,
-                         &priv->xinput_event_base))
-      {
-        if (XIQueryVersion (priv->xdisplay, &major, &minor) == Success)
-          {
-            int version = (major * 10) + minor;
-            if (version >= 22)
-              has_xi = TRUE;
-          }
-      }
-
-    if (!has_xi)
-      meta_fatal ("X server doesn't have the XInput extension, version 2.2 or newer\n");
-  }
+  if (!has_xi)
+    meta_fatal ("X server doesn't have the XInput extension, version 2.2 or newer\n");
 
   /* We only take the passive touch grab if we are a X11 compositor */
   if (priv->mode == META_BACKEND_X11_MODE_COMPOSITOR)
@@ -499,7 +528,20 @@ meta_backend_x11_create_monitor_manager (MetaBackend *backend)
 static MetaCursorRenderer *
 meta_backend_x11_create_cursor_renderer (MetaBackend *backend)
 {
-  return g_object_new (META_TYPE_CURSOR_RENDERER_X11, NULL);
+  MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
+  MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
+
+  switch (priv->mode)
+    {
+    case META_BACKEND_X11_MODE_COMPOSITOR:
+      return g_object_new (META_TYPE_CURSOR_RENDERER_X11, NULL);
+      break;
+    case META_BACKEND_X11_MODE_NESTED:
+      return g_object_new (META_TYPE_CURSOR_RENDERER_X11_NESTED, NULL);
+      break;
+    default:
+      g_assert_not_reached ();
+    }
 }
 
 static gboolean
@@ -727,6 +769,9 @@ meta_backend_x11_get_keymap (MetaBackend *backend)
                                                      priv->xcb,
                                                      xkb_x11_get_core_keyboard_device_id (priv->xcb),
                                                      XKB_KEYMAP_COMPILE_NO_FLAGS);
+      if (priv->keymap == NULL)
+        priv->keymap = xkb_keymap_new_from_names (context, NULL, XKB_KEYMAP_COMPILE_NO_FLAGS);
+
       xkb_context_unref (context);
     }
 
@@ -740,6 +785,7 @@ meta_backend_x11_lock_layout_group (MetaBackend *backend,
   MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
   MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
 
+  priv->locked_group = idx;
   XkbLockGroup (priv->xdisplay, XkbUseCoreKbd, idx);
 }
 
@@ -759,8 +805,6 @@ meta_backend_x11_update_screen_size (MetaBackend *backend,
     }
   else
     {
-      MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
-      MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
       Window xwin = meta_backend_x11_get_xwindow (x11);
       XResizeWindow (priv->xdisplay, xwin, width, height);
     }
@@ -800,6 +844,20 @@ meta_backend_x11_select_stage_events (MetaBackend *backend)
     }
 
   XISelectEvents (priv->xdisplay, xwin, &mask, 1);
+
+  if (priv->mode == META_BACKEND_X11_MODE_NESTED)
+    {
+      /* We have no way of tracking key changes when the stage doesn't have
+       * focus, so we select for KeymapStateMask so that we get a complete
+       * dump of the keyboard state in a KeymapNotify event that immediately
+       * follows each FocusIn (and EnterNotify, but we ignore that.)
+       */
+      XWindowAttributes xwa;
+
+      XGetWindowAttributes(priv->xdisplay, xwin, &xwa);
+      XSelectInput(priv->xdisplay, xwin,
+                   xwa.your_event_mask | FocusChangeMask | KeymapStateMask);
+    }
 }
 
 static void

src/backends/x11/meta-barrier-x11.c

@@ -107,6 +107,7 @@ meta_barrier_impl_x11_new (MetaBarrier *barrier)
   MetaDisplay *display = barrier->priv->display;
   Display *dpy;
   Window root;
+  unsigned int allowed_motion_dirs;
 
   if (display == NULL)
     {
@@ -121,12 +122,14 @@ meta_barrier_impl_x11_new (MetaBarrier *barrier)
   dpy = display->xdisplay;
   root = DefaultRootWindow (dpy);
 
+  allowed_motion_dirs =
+    meta_border_get_allows_directions (&barrier->priv->border);
   priv->xbarrier = XFixesCreatePointerBarrier (dpy, root,
-                                               barrier->priv->x1,
-                                               barrier->priv->y1,
-                                               barrier->priv->x2,
-                                               barrier->priv->y2,
-                                               barrier->priv->directions,
+                                               barrier->priv->border.line.a.x,
+                                               barrier->priv->border.line.a.y,
+                                               barrier->priv->border.line.b.x,
+                                               barrier->priv->border.line.b.y,
+                                               allowed_motion_dirs,
                                                0, NULL);
 
   g_hash_table_insert (display->xids, &priv->xbarrier, barrier);

src/backends/x11/meta-cursor-renderer-x11.c

@@ -40,25 +40,29 @@ typedef struct _MetaCursorRendererX11Private MetaCursorRendererX11Private;
 G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRendererX11, meta_cursor_renderer_x11, META_TYPE_CURSOR_RENDERER);
 
 static gboolean
-meta_cursor_renderer_x11_update_cursor (MetaCursorRenderer *renderer)
+meta_cursor_renderer_x11_update_cursor (MetaCursorRenderer *renderer,
+                                        MetaCursorSprite   *cursor_sprite)
 {
   MetaCursorRendererX11 *x11 = META_CURSOR_RENDERER_X11 (renderer);
   MetaCursorRendererX11Private *priv = meta_cursor_renderer_x11_get_instance_private (x11);
 
   MetaBackendX11 *backend = META_BACKEND_X11 (meta_get_backend ());
   Window xwindow = meta_backend_x11_get_xwindow (backend);
-
-  if (xwindow == None)
-    return FALSE;
-
   Display *xdisplay = meta_backend_x11_get_xdisplay (backend);
 
-  MetaCursorSprite *cursor_sprite = meta_cursor_renderer_get_cursor (renderer);
+  if (xwindow == None)
+    {
+      if (cursor_sprite)
+        meta_cursor_sprite_realize_texture (cursor_sprite);
+      return FALSE;
+    }
+
   gboolean has_server_cursor = FALSE;
 
   if (cursor_sprite)
     {
       MetaCursor cursor = meta_cursor_sprite_get_meta_cursor (cursor_sprite);
+
       if (cursor != META_CURSOR_NONE)
         {
           Cursor xcursor = meta_cursor_create_x_cursor (xdisplay, cursor);
@@ -80,6 +84,9 @@ meta_cursor_renderer_x11_update_cursor (MetaCursorRenderer *renderer)
       priv->server_cursor_visible = has_server_cursor;
     }
 
+  if (!priv->server_cursor_visible && cursor_sprite)
+    meta_cursor_sprite_realize_texture (cursor_sprite);
+
   return priv->server_cursor_visible;
 }
 

src/backends/x11/meta-idle-monitor-xsync.c

@@ -107,20 +107,6 @@ set_alarm_enabled (Display    *dpy,
   XSyncChangeAlarm (dpy, alarm, XSyncCAEvents, &attr);
 }
 
-static void
-check_x11_watch (gpointer data,
-                 gpointer user_data)
-{
-  MetaIdleMonitorWatchXSync *watch_xsync = data;
-  MetaIdleMonitorWatch *watch = (MetaIdleMonitorWatch *) watch_xsync;
-  XSyncAlarm alarm = (XSyncAlarm) user_data;
-
-  if (watch_xsync->xalarm != alarm)
-    return;
-
-  _meta_idle_monitor_watch_fire (watch);
-}
-
 static char *
 counter_name_for_device (int device_id)
 {
@@ -327,13 +313,38 @@ meta_idle_monitor_xsync_init (MetaIdleMonitorXSync *monitor_xsync)
   monitor_xsync->alarms = g_hash_table_new (NULL, NULL);
 }
 
+static void
+check_x11_watches (MetaIdleMonitor *monitor,
+                   XSyncAlarm       alarm)
+{
+  GList *node, *watch_ids;
+
+  /* we get the keys and do explicit look ups in case
+   * an early iteration of the loop ends up leading
+   * to watches from later iterations getting invalidated
+   */
+  watch_ids = g_hash_table_get_keys (monitor->watches);
+
+  for (node = watch_ids; node != NULL; node = node->next)
+    {
+      guint watch_id = GPOINTER_TO_UINT (node->data);
+      MetaIdleMonitorWatchXSync *watch;
+
+      watch = g_hash_table_lookup (monitor->watches, GUINT_TO_POINTER (watch_id));
+
+      if (watch && watch->xalarm == alarm)
+        _meta_idle_monitor_watch_fire ((MetaIdleMonitorWatch *) watch);
+    }
+
+  g_list_free (watch_ids);
+}
+
 void
 meta_idle_monitor_xsync_handle_xevent (MetaIdleMonitor       *monitor,
                                        XSyncAlarmNotifyEvent *alarm_event)
 {
   MetaIdleMonitorXSync *monitor_xsync = META_IDLE_MONITOR_XSYNC (monitor);
   XSyncAlarm alarm;
-  GList *watches;
   gboolean has_alarm;
 
   if (alarm_event->state != XSyncAlarmActive)
@@ -358,10 +369,5 @@ meta_idle_monitor_xsync_handle_xevent (MetaIdleMonitor       *monitor,
     }
 
   if (has_alarm)
-    {
-      watches = g_hash_table_get_values (monitor->watches);
-
-      g_list_foreach (watches, check_x11_watch, (gpointer) alarm);
-      g_list_free (watches);
-    }
+    check_x11_watches (monitor, alarm);
 }

src/backends/x11/meta-input-settings-x11.c

@@ -199,9 +199,9 @@ meta_input_settings_x11_set_invert_scroll (MetaInputSettings  *settings,
 }
 
 static void
-meta_input_settings_x11_set_scroll_method (MetaInputSettings            *settings,
-                                           ClutterInputDevice           *device,
-                                           GDesktopTouchpadScrollMethod  mode)
+meta_input_settings_x11_set_edge_scroll (MetaInputSettings            *settings,
+                                         ClutterInputDevice           *device,
+                                         gboolean                      edge_scroll_enabled)
 {
   guchar values[3] = { 0 }; /* 2fg, edge, button. The last value is unused */
   guchar *available;
@@ -211,26 +211,21 @@ meta_input_settings_x11_set_scroll_method (MetaInputSettings            *setting
   if (!available)
     return;
 
-  switch (mode)
+  if (available[0])
     {
-    case G_DESKTOP_TOUCHPAD_SCROLL_METHOD_DISABLED:
-      break;
-    case G_DESKTOP_TOUCHPAD_SCROLL_METHOD_EDGE_SCROLLING:
-      values[1] = 1;
-      break;
-    case G_DESKTOP_TOUCHPAD_SCROLL_METHOD_TWO_FINGER_SCROLLING:
       values[0] = 1;
-      break;
-    default:
-      g_assert_not_reached ();
+    }
+  else if (available[1] && edge_scroll_enabled)
+    {
+      values[1] = 1;
+    }
+  else
+    {
+      /* Disabled */
     }
 
-  if ((values[0] && !available[0]) || (values[1] && !available[1]))
-    g_warning ("Device '%s' does not support scroll mode %d\n",
-               clutter_input_device_get_device_name (device), mode);
-  else
-    change_property (device, "libinput Scroll Method Enabled",
-                     XA_INTEGER, 8, &values, 3);
+  change_property (device, "libinput Scroll Method Enabled",
+                   XA_INTEGER, 8, &values, 3);
 
   meta_XFree (available);
 }
@@ -321,7 +316,7 @@ meta_input_settings_x11_class_init (MetaInputSettingsX11Class *klass)
   input_settings_class->set_left_handed = meta_input_settings_x11_set_left_handed;
   input_settings_class->set_tap_enabled = meta_input_settings_x11_set_tap_enabled;
   input_settings_class->set_invert_scroll = meta_input_settings_x11_set_invert_scroll;
-  input_settings_class->set_scroll_method = meta_input_settings_x11_set_scroll_method;
+  input_settings_class->set_edge_scroll = meta_input_settings_x11_set_edge_scroll;
   input_settings_class->set_scroll_button = meta_input_settings_x11_set_scroll_button;
   input_settings_class->set_click_method = meta_input_settings_x11_set_click_method;
   input_settings_class->set_keyboard_repeat = meta_input_settings_x11_set_keyboard_repeat;

src/backends/x11/meta-monitor-manager-xrandr.c

@@ -419,12 +419,6 @@ read_output_edid (MetaMonitorManagerXrandr *manager_xrandr,
       result = get_edid_property (manager_xrandr->xdisplay, winsys_id, edid_atom, &len);
     }
 
-  if (!result)
-    {
-      edid_atom = XInternAtom (manager_xrandr->xdisplay, "XFree86_DDC_EDID1_RAWDATA", FALSE);
-      result = get_edid_property (manager_xrandr->xdisplay, winsys_id, edid_atom, &len);
-    }
-
   if (result)
     {
       if (len > 0 && len % 128 == 0)
@@ -637,6 +631,70 @@ output_get_connector_type (MetaMonitorManagerXrandr *manager_xrandr,
   return META_CONNECTOR_TYPE_Unknown;
 }
 
+static void
+output_get_modes (MetaMonitorManager *manager,
+                  MetaOutput         *meta_output,
+                  XRROutputInfo      *output)
+{
+  guint j, k;
+  guint n_actual_modes;
+
+  meta_output->modes = g_new0 (MetaMonitorMode *, output->nmode);
+
+  n_actual_modes = 0;
+  for (j = 0; j < (guint)output->nmode; j++)
+    {
+      for (k = 0; k < manager->n_modes; k++)
+        {
+          if (output->modes[j] == (XID)manager->modes[k].mode_id)
+            {
+              meta_output->modes[n_actual_modes] = &manager->modes[k];
+              n_actual_modes += 1;
+              break;
+            }
+        }
+    }
+  meta_output->n_modes = n_actual_modes;
+  if (n_actual_modes > 0)
+    meta_output->preferred_mode = meta_output->modes[0];
+}
+
+static void
+output_get_crtcs (MetaMonitorManager *manager,
+                  MetaOutput         *meta_output,
+                  XRROutputInfo      *output)
+{
+  guint j, k;
+  guint n_actual_crtcs;
+
+  meta_output->possible_crtcs = g_new0 (MetaCRTC *, output->ncrtc);
+
+  n_actual_crtcs = 0;
+  for (j = 0; j < (unsigned)output->ncrtc; j++)
+    {
+      for (k = 0; k < manager->n_crtcs; k++)
+        {
+          if ((XID)manager->crtcs[k].crtc_id == output->crtcs[j])
+            {
+              meta_output->possible_crtcs[n_actual_crtcs] = &manager->crtcs[k];
+              n_actual_crtcs += 1;
+              break;
+            }
+        }
+    }
+  meta_output->n_possible_crtcs = n_actual_crtcs;
+
+  meta_output->crtc = NULL;
+  for (j = 0; j < manager->n_crtcs; j++)
+    {
+      if ((XID)manager->crtcs[j].crtc_id == output->crtc)
+        {
+          meta_output->crtc = &manager->crtcs[j];
+          break;
+        }
+    }
+}
+
 static char *
 get_xmode_name (XRRModeInfo *xmode)
 {
@@ -773,6 +831,8 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
       MetaOutput *meta_output;
 
       output = XRRGetOutputInfo (manager_xrandr->xdisplay, resources, resources->outputs[i]);
+      if (!output)
+        continue;
 
       meta_output = &manager->outputs[n_actual_outputs];
 
@@ -796,44 +856,8 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
           meta_output->connector_type = output_get_connector_type (manager_xrandr, meta_output);
 
 	  output_get_tile_info (manager_xrandr, meta_output);
-	  meta_output->n_modes = output->nmode;
-	  meta_output->modes = g_new0 (MetaMonitorMode *, meta_output->n_modes);
-	  for (j = 0; j < meta_output->n_modes; j++)
-	    {
-	      for (k = 0; k < manager->n_modes; k++)
-		{
-		  if (output->modes[j] == (XID)manager->modes[k].mode_id)
-		    {
-		      meta_output->modes[j] = &manager->modes[k];
-		      break;
-		    }
-		}
-	    }
-	  meta_output->preferred_mode = meta_output->modes[0];
-
-	  meta_output->n_possible_crtcs = output->ncrtc;
-	  meta_output->possible_crtcs = g_new0 (MetaCRTC *, meta_output->n_possible_crtcs);
-	  for (j = 0; j < (unsigned)output->ncrtc; j++)
-	    {
-	      for (k = 0; k < manager->n_crtcs; k++)
-		{
-		  if ((XID)manager->crtcs[k].crtc_id == output->crtcs[j])
-		    {
-		      meta_output->possible_crtcs[j] = &manager->crtcs[k];
-		      break;
-		    }
-		}
-	    }
-
-	  meta_output->crtc = NULL;
-	  for (j = 0; j < manager->n_crtcs; j++)
-	    {
-	      if ((XID)manager->crtcs[j].crtc_id == output->crtc)
-		{
-		  meta_output->crtc = &manager->crtcs[j];
-		  break;
-		}
-	    }
+	  output_get_modes (manager, meta_output, output);
+          output_get_crtcs (manager, meta_output, output);
 
 	  meta_output->n_possible_clones = output->nclone;
 	  meta_output->possible_clones = g_new0 (MetaOutput *, meta_output->n_possible_clones);
@@ -857,7 +881,10 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
 	  else
 	    meta_output->backlight = -1;
 
-	  n_actual_outputs++;
+          if (meta_output->n_modes == 0 || meta_output->n_possible_crtcs == 0)
+            meta_monitor_manager_clear_output (meta_output);
+          else
+            n_actual_outputs++;
 	}
 
       XRRFreeOutputInfo (output);
@@ -1133,17 +1160,16 @@ meta_monitor_manager_xrandr_apply_configuration (MetaMonitorManager *manager,
       if (crtc_info->mode != NULL)
         {
           MetaMonitorMode *mode;
-          g_autofree XID *outputs = NULL;
-          unsigned int j, n_outputs;
-          int width, height;
+          g_autofree XID *output_ids = NULL;
+          unsigned int j, n_output_ids;
           Status ok;
 
           mode = crtc_info->mode;
 
-          n_outputs = crtc_info->outputs->len;
-          outputs = g_new (XID, n_outputs);
+          n_output_ids = crtc_info->outputs->len;
+          output_ids = g_new (XID, n_output_ids);
 
-          for (j = 0; j < n_outputs; j++)
+          for (j = 0; j < n_output_ids; j++)
             {
               MetaOutput *output;
 
@@ -1152,7 +1178,7 @@ meta_monitor_manager_xrandr_apply_configuration (MetaMonitorManager *manager,
               output->is_dirty = TRUE;
               output->crtc = crtc;
 
-              outputs[j] = output->winsys_id;
+              output_ids[j] = output->winsys_id;
             }
 
           ok = XRRSetCrtcConfig (manager_xrandr->xdisplay,
@@ -1162,7 +1188,7 @@ meta_monitor_manager_xrandr_apply_configuration (MetaMonitorManager *manager,
                                  crtc_info->x, crtc_info->y,
                                  (XID)mode->mode_id,
                                  meta_monitor_transform_to_xrandr (crtc_info->transform),
-                                 outputs, n_outputs);
+                                 output_ids, n_output_ids);
 
           if (ok != Success)
             {

src/backends/x11/nested/meta-cursor-renderer-x11-nested.c

@@ -0,0 +1,89 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#include "config.h"
+
+#include "backends/x11/nested/meta-cursor-renderer-x11-nested.h"
+
+#include "backends/x11/meta-backend-x11.h"
+
+struct _MetaCursorRendererX11Nested
+{
+  MetaCursorRenderer parent;
+};
+
+G_DEFINE_TYPE (MetaCursorRendererX11Nested, meta_cursor_renderer_x11_nested,
+               META_TYPE_CURSOR_RENDERER);
+
+static gboolean
+meta_cursor_renderer_x11_nested_update_cursor (MetaCursorRenderer *renderer,
+                                               MetaCursorSprite   *cursor_sprite)
+{
+  if (cursor_sprite)
+    meta_cursor_sprite_realize_texture (cursor_sprite);
+  return FALSE;
+}
+
+static Cursor
+create_empty_cursor (Display *xdisplay)
+{
+  XcursorImage *image;
+  XcursorPixel *pixels;
+  Cursor xcursor;
+
+  image = XcursorImageCreate (1, 1);
+  if (image == NULL)
+    return None;
+
+  image->xhot = 0;
+  image->yhot = 0;
+
+  pixels = image->pixels;
+  pixels[0] = 0;
+
+  xcursor = XcursorImageLoadCursor (xdisplay, image);
+  XcursorImageDestroy (image);
+
+  return xcursor;
+}
+
+static void
+meta_cursor_renderer_x11_nested_init (MetaCursorRendererX11Nested *x11_nested)
+{
+  MetaBackendX11 *backend = META_BACKEND_X11 (meta_get_backend ());
+  Window xwindow = meta_backend_x11_get_xwindow (backend);
+  Display *xdisplay = meta_backend_x11_get_xdisplay (backend);
+
+  Cursor empty_xcursor = create_empty_cursor (xdisplay);
+  XDefineCursor (xdisplay, xwindow, empty_xcursor);
+  XFreeCursor (xdisplay, empty_xcursor);
+}
+
+static void
+meta_cursor_renderer_x11_nested_class_init (MetaCursorRendererX11NestedClass *klass)
+{
+  MetaCursorRendererClass *renderer_class = META_CURSOR_RENDERER_CLASS (klass);
+
+  renderer_class->update_cursor = meta_cursor_renderer_x11_nested_update_cursor;
+}

src/backends/x11/nested/meta-cursor-renderer-x11-nested.h

@@ -0,0 +1,38 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#ifndef META_CURSOR_RENDERER_X11_NESTED_NESTED_H
+#define META_CURSOR_RENDERER_X11_NESTED_NESTED_H
+
+#include <glib-object.h>
+
+#include "backends/meta-cursor-renderer.h"
+
+#define META_TYPE_CURSOR_RENDERER_X11_NESTED (meta_cursor_renderer_x11_nested_get_type ())
+G_DECLARE_FINAL_TYPE (MetaCursorRendererX11Nested,
+                      meta_cursor_renderer_x11_nested,
+                      META, CURSOR_RENDERER_X11_NESTED,
+                      MetaCursorRenderer);
+
+#endif /* META_CURSOR_RENDERER_X11_NESTED_NESTED_H */

src/compositor/compositor.c

@@ -779,7 +779,7 @@ meta_compositor_size_change_window (MetaCompositor    *compositor,
                                     MetaRectangle     *old_buffer_rect)
 {
   MetaWindowActor *window_actor = META_WINDOW_ACTOR (meta_window_get_compositor_private (window));
-  meta_window_actor_size_change (window_actor, META_SIZE_CHANGE_MAXIMIZE, old_frame_rect, old_buffer_rect);
+  meta_window_actor_size_change (window_actor, which_change, old_frame_rect, old_buffer_rect);
 }
 
 void

src/compositor/meta-background.c

@@ -22,6 +22,8 @@
 #include "meta-background-private.h"
 #include "cogl-utils.h"
 
+#include <string.h>
+
 enum
 {
   CHANGED,
@@ -71,6 +73,8 @@ enum
 
 G_DEFINE_TYPE (MetaBackground, meta_background, G_TYPE_OBJECT)
 
+static gboolean texture_has_alpha (CoglTexture *texture);
+
 static GSList *all_backgrounds = NULL;
 
 static void
@@ -474,7 +478,7 @@ get_texture_area (MetaBackground          *self,
     }
 }
 
-static void
+static gboolean
 draw_texture (MetaBackground        *self,
               CoglFramebuffer       *framebuffer,
               CoglPipeline          *pipeline,
@@ -483,6 +487,7 @@ draw_texture (MetaBackground        *self,
 {
   MetaBackgroundPrivate *priv = self->priv;
   cairo_rectangle_int_t texture_area;
+  gboolean bare_region_visible;
 
   get_texture_area (self, monitor_area, texture, &texture_area);
 
@@ -503,6 +508,9 @@ draw_texture (MetaBackground        *self,
                                                 - texture_area.y / (float)texture_area.height,
                                                 (monitor_area->width - texture_area.x) / (float)texture_area.width,
                                                 (monitor_area->height - texture_area.y) / (float)texture_area.height);
+
+      bare_region_visible = texture_has_alpha (texture);
+
       /* Draw just the texture */
       break;
     case G_DESKTOP_BACKGROUND_STYLE_CENTERED:
@@ -513,11 +521,16 @@ draw_texture (MetaBackground        *self,
                                                 texture_area.x + texture_area.width,
                                                 texture_area.y + texture_area.height,
                                                 0, 0, 1.0, 1.0);
+      bare_region_visible = texture_has_alpha (texture) || memcmp (&texture_area, monitor_area, sizeof (cairo_rectangle_int_t)) != 0;
+      break;
     case G_DESKTOP_BACKGROUND_STYLE_NONE:
+      bare_region_visible = TRUE;
       break;
     default:
-      g_return_if_reached();
+      g_return_val_if_reached(FALSE);
     }
+
+  return bare_region_visible;
 }
 
 static void
@@ -748,6 +761,7 @@ meta_background_get_texture (MetaBackground         *self,
   if (monitor->dirty)
     {
       CoglError *catch_error = NULL;
+      gboolean bare_region_visible = FALSE;
 
       if (monitor->texture == NULL)
         {
@@ -783,9 +797,9 @@ meta_background_get_texture (MetaBackground         *self,
           cogl_pipeline_set_layer_texture (pipeline, 0, texture2);
           cogl_pipeline_set_layer_wrap_mode (pipeline, 0, get_wrap_mode (priv->style));
 
-          draw_texture (self,
-                        monitor->fbo, pipeline,
-                        texture2, &monitor_area);
+          bare_region_visible = draw_texture (self,
+                                              monitor->fbo, pipeline,
+                                              texture2, &monitor_area);
 
           cogl_object_unref (pipeline);
         }
@@ -796,8 +810,7 @@ meta_background_get_texture (MetaBackground         *self,
                                     0.0, 0.0, 0.0, 0.0);
         }
 
-      if (texture1 != NULL &&
-          !(texture2 != NULL && priv->blend_factor == 1.0 && !texture_has_alpha (texture2)))
+      if (texture1 != NULL && priv->blend_factor != 1.0)
         {
           CoglPipeline *pipeline = create_pipeline (PIPELINE_ADD);
           cogl_pipeline_set_color4f (pipeline,
@@ -808,15 +821,14 @@ meta_background_get_texture (MetaBackground         *self,
           cogl_pipeline_set_layer_texture (pipeline, 0, texture1);
           cogl_pipeline_set_layer_wrap_mode (pipeline, 0, get_wrap_mode (priv->style));
 
-          draw_texture (self,
-                        monitor->fbo, pipeline,
-                        texture1, &monitor_area);
+          bare_region_visible = bare_region_visible || draw_texture (self,
+                                                                     monitor->fbo, pipeline,
+                                                                     texture1, &monitor_area);
 
           cogl_object_unref (pipeline);
         }
 
-      if (!((texture2 != NULL && priv->blend_factor == 1.0 && !texture_has_alpha (texture2)) ||
-            (texture1 != NULL && !texture_has_alpha (texture1))))
+      if (bare_region_visible)
         {
           CoglPipeline *pipeline = create_pipeline (PIPELINE_OVER_REVERSE);
 

src/compositor/meta-surface-actor-wayland.c

@@ -36,6 +36,14 @@
 
 #include "compositor/region-utils.h"
 
+enum {
+  PAINTING,
+
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL];
+
 struct _MetaSurfaceActorWaylandPrivate
 {
   MetaWaylandSurface *surface;
@@ -293,8 +301,12 @@ static MetaWindow *
 meta_surface_actor_wayland_get_window (MetaSurfaceActor *actor)
 {
   MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (META_SURFACE_ACTOR_WAYLAND (actor));
+  MetaWaylandSurface *surface = priv->surface;
 
-  return priv->surface->window;
+  if (!surface)
+    return NULL;
+
+  return surface->window;
 }
 
 static void
@@ -343,12 +355,13 @@ meta_surface_actor_wayland_paint (ClutterActor *actor)
   if (priv->surface)
     {
       MetaWaylandCompositor *compositor = priv->surface->compositor;
-      meta_wayland_surface_update_outputs (priv->surface);
 
       wl_list_insert_list (&compositor->frame_callbacks, &priv->frame_callback_list);
       wl_list_init (&priv->frame_callback_list);
     }
 
+  g_signal_emit (actor, signals[PAINTING], 0);
+
   CLUTTER_ACTOR_CLASS (meta_surface_actor_wayland_parent_class)->paint (actor);
 }
 
@@ -384,6 +397,13 @@ meta_surface_actor_wayland_class_init (MetaSurfaceActorWaylandClass *klass)
   surface_actor_class->get_window = meta_surface_actor_wayland_get_window;
 
   object_class->dispose = meta_surface_actor_wayland_dispose;
+
+  signals[PAINTING] = g_signal_new ("painting",
+                                    G_TYPE_FROM_CLASS (object_class),
+                                    G_SIGNAL_RUN_LAST,
+                                    0,
+                                    NULL, NULL, NULL,
+                                    G_TYPE_NONE, 0);
 }
 
 static void

src/compositor/meta-window-actor.c

@@ -832,21 +832,23 @@ meta_window_actor_has_shadow (MetaWindowActor *self)
     return TRUE;
 
   /*
-   * Do not add shadows to non-opaque windows; eventually we should generate
-   * a shadow from the input shape for such windows.
+   * Do not add shadows to non-opaque (ARGB32) windows, as we can't easily
+   * generate shadows for them.
    */
   if (is_non_opaque (self))
     return FALSE;
 
   /*
-   * Add shadows to override redirect windows on X11 unless the toolkit
-   * indicates that it is handling shadows itself (e.g., Gtk menus).
+   * If a window specifies that it has custom frame extents, that likely
+   * means that it is drawing a shadow itself. Don't draw our own.
    */
-  if (priv->window->override_redirect &&
-      !priv->window->has_custom_frame_extents)
-    return TRUE;
+  if (priv->window->has_custom_frame_extents)
+    return FALSE;
 
-  return FALSE;
+  /*
+   * Generate shadows for all other windows.
+   */
+  return TRUE;
 }
 
 /**

src/compositor/plugins/default.c

@@ -255,6 +255,31 @@ get_actor_private (MetaWindowActor *actor)
   return priv;
 }
 
+static ClutterTimeline *
+actor_animate (ClutterActor         *actor,
+               ClutterAnimationMode  mode,
+               guint                 duration,
+               const gchar          *first_property,
+               ...)
+{
+  va_list args;
+  ClutterTransition *transition;
+
+  clutter_actor_save_easing_state (actor);
+  clutter_actor_set_easing_mode (actor, mode);
+  clutter_actor_set_easing_duration (actor, duration);
+
+  va_start (args, first_property);
+  g_object_set_valist (G_OBJECT (actor), first_property, args);
+  va_end (args);
+
+  transition = clutter_actor_get_transition (actor, first_property);
+
+  clutter_actor_restore_easing_state (actor);
+
+  return CLUTTER_TIMELINE (transition);
+}
+
 static void
 on_switch_workspace_effect_complete (ClutterTimeline *timeline, gpointer data)
 {
@@ -271,7 +296,10 @@ on_switch_workspace_effect_complete (ClutterTimeline *timeline, gpointer data)
 
       if (apriv->orig_parent)
         {
-          clutter_actor_reparent (a, apriv->orig_parent);
+          g_object_ref (a);
+          clutter_actor_remove_child (clutter_actor_get_parent (a), a);
+          clutter_actor_add_child (apriv->orig_parent, a);
+          g_object_unref (a);
           apriv->orig_parent = NULL;
         }
 
@@ -360,11 +388,10 @@ switch_workspace (MetaPlugin *plugin,
   MetaScreen *screen;
   MetaDefaultPluginPrivate *priv = META_DEFAULT_PLUGIN (plugin)->priv;
   GList        *l;
-  ClutterActor *workspace0  = clutter_group_new ();
-  ClutterActor *workspace1  = clutter_group_new ();
+  ClutterActor *workspace0  = clutter_actor_new ();
+  ClutterActor *workspace1  = clutter_actor_new ();
   ClutterActor *stage;
   int           screen_width, screen_height;
-  ClutterAnimation *animation;
 
   screen = meta_plugin_get_screen (plugin);
   stage = meta_get_stage_for_screen (screen);
@@ -373,17 +400,15 @@ switch_workspace (MetaPlugin *plugin,
                         &screen_width,
                         &screen_height);
 
-  clutter_actor_set_anchor_point (workspace1,
-                                  screen_width,
-                                  screen_height);
+  clutter_actor_set_pivot_point (workspace1, 1.0, 1.0);
   clutter_actor_set_position (workspace1,
                               screen_width,
                               screen_height);
 
   clutter_actor_set_scale (workspace1, 0.0, 0.0);
 
-  clutter_container_add_actor (CLUTTER_CONTAINER (stage), workspace1);
-  clutter_container_add_actor (CLUTTER_CONTAINER (stage), workspace0);
+  clutter_actor_add_child (stage, workspace1);
+  clutter_actor_add_child (stage, workspace0);
 
   if (from == to)
     {
@@ -406,12 +431,15 @@ switch_workspace (MetaPlugin *plugin,
 
       if (win_workspace == to || win_workspace == from)
         {
+          ClutterActor *parent = win_workspace == to ? workspace1 : workspace0;
           apriv->orig_parent = clutter_actor_get_parent (actor);
 
-          clutter_actor_reparent (actor,
-				  win_workspace == to ? workspace1 : workspace0);
-          clutter_actor_show_all (actor);
-          clutter_actor_raise_top (actor);
+          g_object_ref (actor);
+          clutter_actor_remove_child (clutter_actor_get_parent (actor), actor);
+          clutter_actor_add_child (parent, actor);
+          clutter_actor_show (actor);
+          clutter_actor_set_child_below_sibling (parent, actor, NULL);
+          g_object_unref (actor);
         }
       else if (win_workspace < 0)
         {
@@ -431,23 +459,21 @@ switch_workspace (MetaPlugin *plugin,
   priv->desktop1 = workspace0;
   priv->desktop2 = workspace1;
 
-  animation = clutter_actor_animate (workspace0, CLUTTER_EASE_IN_SINE,
-                                     SWITCH_TIMEOUT,
-                                     "scale-x", 1.0,
-                                     "scale-y", 1.0,
-                                     NULL);
-  priv->tml_switch_workspace1 = clutter_animation_get_timeline (animation);
+  priv->tml_switch_workspace1 = actor_animate (workspace0, CLUTTER_EASE_IN_SINE,
+                                               SWITCH_TIMEOUT,
+                                               "scale-x", 1.0,
+                                               "scale-y", 1.0,
+                                               NULL);
   g_signal_connect (priv->tml_switch_workspace1,
                     "completed",
                     G_CALLBACK (on_switch_workspace_effect_complete),
                     plugin);
 
-  animation = clutter_actor_animate (workspace1, CLUTTER_EASE_IN_SINE,
-                                     SWITCH_TIMEOUT,
-                                     "scale-x", 0.0,
-                                     "scale-y", 0.0,
-                                     NULL);
-  priv->tml_switch_workspace2 = clutter_animation_get_timeline (animation);
+  priv->tml_switch_workspace2 = actor_animate (workspace1, CLUTTER_EASE_IN_SINE,
+                                               SWITCH_TIMEOUT,
+                                               "scale-x", 0.0,
+                                               "scale-y", 0.0,
+                                               NULL);
 }
 
 
@@ -504,19 +530,17 @@ minimize (MetaPlugin *plugin, MetaWindowActor *window_actor)
 
   if (type == META_WINDOW_NORMAL)
     {
-      ClutterAnimation *animation;
       EffectCompleteData *data = g_new0 (EffectCompleteData, 1);
       ActorPrivate *apriv = get_actor_private (window_actor);
 
-      animation = clutter_actor_animate (actor,
-                                         CLUTTER_EASE_IN_SINE,
-                                         MINIMIZE_TIMEOUT,
-                                         "scale-x", 0.0,
-                                         "scale-y", 0.0,
-                                         "x", (double)icon_geometry.x,
-                                         "y", (double)icon_geometry.y,
-                                         NULL);
-      apriv->tml_minimize = clutter_animation_get_timeline (animation);
+      apriv->tml_minimize = actor_animate (actor,
+                                           CLUTTER_EASE_IN_SINE,
+                                           MINIMIZE_TIMEOUT,
+                                           "scale-x", 0.0,
+                                           "scale-y", 0.0,
+                                           "x", (double)icon_geometry.x,
+                                           "y", (double)icon_geometry.y,
+                                           NULL);
       data->plugin = plugin;
       data->actor = actor;
       g_signal_connect (apriv->tml_minimize, "completed",
@@ -561,7 +585,6 @@ map (MetaPlugin *plugin, MetaWindowActor *window_actor)
 
   if (type == META_WINDOW_NORMAL)
     {
-      ClutterAnimation *animation;
       EffectCompleteData *data = g_new0 (EffectCompleteData, 1);
       ActorPrivate *apriv = get_actor_private (window_actor);
 
@@ -570,14 +593,13 @@ map (MetaPlugin *plugin, MetaWindowActor *window_actor)
       clutter_actor_set_scale (actor, 0.5, 0.5);
       clutter_actor_show (actor);
 
-      animation = clutter_actor_animate (actor,
-                                         CLUTTER_EASE_OUT_QUAD,
-                                         MAP_TIMEOUT,
-                                         "opacity", 255,
-                                         "scale-x", 1.0,
-                                         "scale-y", 1.0,
-                                         NULL);
-      apriv->tml_map = clutter_animation_get_timeline (animation);
+      apriv->tml_map = actor_animate (actor,
+                                      CLUTTER_EASE_OUT_QUAD,
+                                      MAP_TIMEOUT,
+                                      "opacity", 255,
+                                      "scale-x", 1.0,
+                                      "scale-y", 1.0,
+                                      NULL);
       data->actor = actor;
       data->plugin = plugin;
       g_signal_connect (apriv->tml_map, "completed",
@@ -618,18 +640,16 @@ destroy (MetaPlugin *plugin, MetaWindowActor *window_actor)
 
   if (type == META_WINDOW_NORMAL)
     {
-      ClutterAnimation *animation;
       EffectCompleteData *data = g_new0 (EffectCompleteData, 1);
       ActorPrivate *apriv = get_actor_private (window_actor);
 
-      animation = clutter_actor_animate (actor,
-                                         CLUTTER_EASE_OUT_QUAD,
-                                         DESTROY_TIMEOUT,
-                                         "opacity", 0,
-                                         "scale-x", 0.8,
-                                         "scale-y", 0.8,
-                                         NULL);
-      apriv->tml_destroy = clutter_animation_get_timeline (animation);
+      apriv->tml_destroy = actor_animate (actor,
+                                          CLUTTER_EASE_OUT_QUAD,
+                                          DESTROY_TIMEOUT,
+                                          "opacity", 0,
+                                          "scale-x", 0.8,
+                                          "scale-y", 0.8,
+                                          NULL);
       data->plugin = plugin;
       data->actor = actor;
       g_signal_connect (apriv->tml_destroy, "completed",
@@ -702,7 +722,9 @@ show_tile_preview (MetaPlugin    *plugin,
   clutter_actor_show (preview->actor);
 
   window_actor = CLUTTER_ACTOR (meta_window_get_compositor_private (window));
-  clutter_actor_lower (preview->actor, window_actor);
+  clutter_actor_set_child_below_sibling (clutter_actor_get_parent (preview->actor),
+                                         preview->actor,
+                                         window_actor);
 
   preview->tile_rect = *tile_rect;
 }

src/core/display-private.h

@@ -35,6 +35,7 @@
 #include <meta/boxes.h>
 #include <meta/display.h>
 #include "keybindings-private.h"
+#include "startup-notification-private.h"
 #include "meta-gesture-tracker-private.h"
 #include <meta/prefs.h>
 #include <meta/barrier.h>
@@ -276,9 +277,8 @@ struct _MetaDisplay
   int xinput_event_base;
   int xinput_opcode;
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-  SnDisplay *sn_display;
-#endif
+  MetaStartupNotification *startup_notification;
+
   int xsync_event_base;
   int xsync_error_base;
   int shape_event_base;

src/core/display.c

@@ -400,28 +400,6 @@ meta_display_remove_pending_pings_for_window (MetaDisplay *display,
 }
 
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-static void
-sn_error_trap_push (SnDisplay *sn_display,
-                    Display   *xdisplay)
-{
-  MetaDisplay *display;
-  display = meta_display_for_x_display (xdisplay);
-  if (display != NULL)
-    meta_error_trap_push (display);
-}
-
-static void
-sn_error_trap_pop (SnDisplay *sn_display,
-                   Display   *xdisplay)
-{
-  MetaDisplay *display;
-  display = meta_display_for_x_display (xdisplay);
-  if (display != NULL)
-    meta_error_trap_pop (display);
-}
-#endif
-
 static void
 enable_compositor (MetaDisplay *display)
 {
@@ -527,6 +505,20 @@ gesture_tracker_state_changed (MetaGestureTracker   *tracker,
     }
 }
 
+static void
+on_startup_notification_changed (MetaStartupNotification *sn,
+                                 gpointer                 sequence,
+                                 MetaDisplay             *display)
+{
+  if (!display->screen)
+    return;
+
+  g_slist_free (display->screen->startup_sequences);
+  display->screen->startup_sequences =
+    meta_startup_notification_get_sequences (display->startup_notification);
+  g_signal_emit_by_name (display->screen, "startup-sequence-changed", sequence);
+}
+
 /**
  * meta_display_open:
  *
@@ -547,7 +539,7 @@ meta_display_open (void)
   guint32 timestamp;
 
   /* A list of all atom names, so that we can intern them in one go. */
-  char *atom_names[] = {
+  const char *atom_names[] = {
 #define item(x) #x,
 #include <x11/atomnames.h>
 #undef item
@@ -605,14 +597,13 @@ meta_display_open (void)
   meta_prefs_add_listener (prefs_changed_callback, display);
 
   meta_verbose ("Creating %d atoms\n", (int) G_N_ELEMENTS (atom_names));
-  XInternAtoms (display->xdisplay, atom_names, G_N_ELEMENTS (atom_names),
+  XInternAtoms (display->xdisplay, (char **)atom_names, G_N_ELEMENTS (atom_names),
                 False, atoms);
-  {
-    int i = 0;
+
+  i = 0;
 #define item(x) display->atom_##x = atoms[i++];
 #include <x11/atomnames.h>
 #undef item
-  }
 
   display->prop_hooks = NULL;
   meta_display_init_window_prop_hooks (display);
@@ -631,12 +622,6 @@ meta_display_open (void)
 
   display->screen = NULL;
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-  display->sn_display = sn_display_new (display->xdisplay,
-                                        sn_error_trap_push,
-                                        sn_error_trap_pop);
-#endif
-
   /* Get events */
   meta_display_init_events (display);
   meta_display_init_events_x11 (display);
@@ -917,6 +902,10 @@ meta_display_open (void)
 
   display->screen = screen;
 
+  display->startup_notification = meta_startup_notification_get (display);
+  g_signal_connect (display->startup_notification, "changed",
+                    G_CALLBACK (on_startup_notification_changed), display);
+
   meta_screen_init_workspaces (screen);
 
   enable_compositor (display);
@@ -1101,6 +1090,7 @@ meta_display_close (MetaDisplay *display,
 
   meta_display_remove_autoraise_callback (display);
 
+  g_clear_object (&display->startup_notification);
   g_clear_object (&display->gesture_tracker);
 
   if (display->focus_timeout_id)
@@ -1113,14 +1103,6 @@ meta_display_close (MetaDisplay *display,
 
   meta_screen_free (display->screen, timestamp);
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-  if (display->sn_display)
-    {
-      sn_display_unref (display->sn_display);
-      display->sn_display = NULL;
-    }
-#endif
-
   /* Must be after all calls to meta_window_unmanage() since they
    * unregister windows
    */
@@ -1964,9 +1946,12 @@ meta_display_end_grab_op (MetaDisplay *display,
   meta_topic (META_DEBUG_WINDOW_OPS,
               "Ending grab op %u at time %u\n", grab_op, timestamp);
 
-  if (display->event_route == META_EVENT_ROUTE_NORMAL)
+  if (display->event_route == META_EVENT_ROUTE_NORMAL ||
+      display->event_route == META_EVENT_ROUTE_COMPOSITOR_GRAB)
     return;
 
+  g_assert (grab_window != NULL);
+
   g_signal_emit (display, display_signals[GRAB_OP_END], 0,
                  display->screen, grab_window, grab_op);
 

src/core/events.c

@@ -182,10 +182,25 @@ meta_display_handle_event (MetaDisplay        *display,
   sequence = clutter_event_get_event_sequence (event);
 
   /* Set the pointer emulating sequence on touch begin, if eligible */
-  if (event->type == CLUTTER_TOUCH_BEGIN &&
-      !display->pointer_emulating_sequence &&
-      sequence_is_pointer_emulated (display, event))
-    display->pointer_emulating_sequence = sequence;
+  if (event->type == CLUTTER_TOUCH_BEGIN)
+    {
+      if (sequence_is_pointer_emulated (display, event))
+        {
+          /* This is the new pointer emulating sequence */
+          display->pointer_emulating_sequence = sequence;
+        }
+      else if (display->pointer_emulating_sequence == sequence)
+        {
+          /* This sequence was "pointer emulating" in a prior incarnation,
+           * but now it isn't. We unset the pointer emulating sequence at
+           * this point so the current sequence is not mistaken as pointer
+           * emulating, while we've ensured that it's been deemed
+           * "pointer emulating" throughout all of the event processing
+           * of the previous incarnation.
+           */
+          display->pointer_emulating_sequence = NULL;
+        }
+    }
 
 #ifdef HAVE_WAYLAND
   MetaWaylandCompositor *compositor = NULL;
@@ -206,8 +221,8 @@ meta_display_handle_event (MetaDisplay        *display,
 
   if (meta_is_wayland_compositor () && event->type == CLUTTER_MOTION)
     {
-      MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (NULL);
-      meta_cursor_tracker_update_position (tracker, event->motion.x, event->motion.y);
+      meta_cursor_tracker_update_position (meta_cursor_tracker_get_for_screen (NULL),
+                                           event->motion.x, event->motion.y);
       display->monitor_cache_invalidated = TRUE;
     }
 
@@ -335,11 +350,6 @@ meta_display_handle_event (MetaDisplay        *display,
     }
 #endif
 
-  /* Unset the pointer emulating sequence after its end event is processed */
-  if (event->type == CLUTTER_TOUCH_END &&
-      display->pointer_emulating_sequence == sequence)
-    display->pointer_emulating_sequence = NULL;
-
   display->current_time = CurrentTime;
   return bypass_clutter;
 }

src/core/keybindings.c

@@ -188,7 +188,7 @@ reload_modmap (MetaKeyBindingManager *keys)
 
   /* Modifiers to find. */
   struct {
-    char *name;
+    const char *name;
     xkb_mod_mask_t *mask_p;
   } mods[] = {
     { "ScrollLock", &scroll_lock_mask },

src/core/main.c

@@ -80,6 +80,10 @@
 
 #ifdef HAVE_WAYLAND
 #include "wayland/meta-wayland.h"
+# endif
+
+#if defined(HAVE_NATIVE_BACKEND) && defined(HAVE_WAYLAND)
+#include <systemd/sd-login.h>
 #endif
 
 /*
@@ -164,6 +168,7 @@ static gboolean  opt_disable_sm;
 static gboolean  opt_sync;
 #ifdef HAVE_WAYLAND
 static gboolean  opt_wayland;
+static gboolean  opt_nested;
 #endif
 #ifdef HAVE_NATIVE_BACKEND
 static gboolean  opt_display_server;
@@ -212,6 +217,12 @@ static GOptionEntry meta_options[] = {
     N_("Run as a wayland compositor"),
     NULL
   },
+  {
+    "nested", 0, 0, G_OPTION_ARG_NONE,
+    &opt_nested,
+    N_("Run as a nested compositor"),
+    NULL
+  },
 #endif
 #ifdef HAVE_NATIVE_BACKEND
   {
@@ -291,6 +302,104 @@ on_sigterm (gpointer user_data)
   return G_SOURCE_REMOVE;
 }
 
+#if defined(HAVE_WAYLAND) && defined(HAVE_NATIVE_BACKEND)
+static char *
+find_logind_session_type (void)
+{
+  char **sessions;
+  char *session_id;
+  char *session_type;
+  int ret, i;
+
+  ret = sd_pid_get_session (0, &session_id);
+
+  if (ret == 0 && session_id != NULL)
+    {
+      ret = sd_session_get_type (session_id, &session_type);
+      free (session_id);
+
+      if (ret < 0)
+        session_type = NULL;
+
+      goto out;
+    }
+  session_type = NULL;
+
+  ret = sd_uid_get_sessions (getuid (), TRUE, &sessions);
+
+  if (ret < 0 || sessions == NULL)
+    goto out;
+
+  for (i = 0; sessions[i] != NULL; i++)
+    {
+      ret = sd_session_get_type (sessions[i], &session_type);
+
+      if (ret < 0)
+        continue;
+
+      if (g_strcmp0 (session_type, "x11") == 0||
+          g_strcmp0 (session_type, "wayland") == 0)
+        break;
+
+      g_clear_pointer (&session_type, (GDestroyNotify) free);
+    }
+
+  for (i = 0; sessions[i] != NULL; i++)
+    free (sessions[i]);
+  free (sessions);
+
+out:
+  return session_type;
+}
+
+static gboolean
+check_for_wayland_session_type (void)
+{
+  char *session_type = NULL;
+  gboolean is_wayland = FALSE;
+
+  session_type = find_logind_session_type ();
+
+  if (session_type != NULL)
+    {
+      is_wayland = g_strcmp0 (session_type, "wayland") == 0;
+      free (session_type);
+    }
+
+  return is_wayland;
+}
+#endif
+
+static void
+init_backend (void)
+{
+#ifdef HAVE_WAYLAND
+  gboolean run_as_wayland_compositor = opt_wayland;
+
+#ifdef HAVE_NATIVE_BACKEND
+  if (opt_nested && opt_display_server)
+    {
+      meta_warning ("Can't run both as nested and as a display server\n");
+      meta_exit (META_EXIT_ERROR);
+    }
+
+  if (!run_as_wayland_compositor)
+    run_as_wayland_compositor = check_for_wayland_session_type ();
+
+#ifdef CLUTTER_WINDOWING_EGL
+  if (opt_display_server || (run_as_wayland_compositor && !opt_nested))
+    clutter_set_windowing_backend (CLUTTER_WINDOWING_EGL);
+  else
+#endif
+#endif
+#endif
+    clutter_set_windowing_backend (CLUTTER_WINDOWING_X11);
+
+#ifdef HAVE_WAYLAND
+  meta_set_is_wayland_compositor (run_as_wayland_compositor);
+#endif
+}
+
 /**
  * meta_init: (skip)
  *
@@ -323,16 +432,7 @@ meta_init (void)
   if (g_getenv ("MUTTER_DEBUG"))
     meta_set_debugging (TRUE);
 
-#if defined(CLUTTER_WINDOWING_EGL) && defined(HAVE_NATIVE_BACKEND)
-  if (opt_display_server)
-    clutter_set_windowing_backend (CLUTTER_WINDOWING_EGL);
-  else
-#endif
-    clutter_set_windowing_backend (CLUTTER_WINDOWING_X11);
-
-#ifdef HAVE_WAYLAND
-  meta_set_is_wayland_compositor (opt_wayland);
-#endif
+  init_backend ();
 
   if (g_get_home_dir ())
     if (chdir (g_get_home_dir ()) < 0)

src/core/meta-border.c

@@ -0,0 +1,154 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#include "config.h"
+
+#include "core/meta-border.h"
+
+#include <math.h>
+
+static inline float
+meta_vector2_cross_product (const MetaVector2 a,
+                            const MetaVector2 b)
+{
+  return a.x * b.y - a.y * b.x;
+}
+
+static inline MetaVector2
+meta_vector2_add (const MetaVector2 a,
+                  const MetaVector2 b)
+{
+  return (MetaVector2) {
+    .x = a.x + b.x,
+    .y = a.y + b.y,
+  };
+}
+
+static inline MetaVector2
+meta_vector2_multiply_constant (const float       c,
+                                const MetaVector2 a)
+{
+  return (MetaVector2) {
+    .x = c * a.x,
+    .y = c * a.y,
+  };
+}
+
+gboolean
+meta_line2_intersects_with (const MetaLine2 *line1,
+                            const MetaLine2 *line2,
+                            MetaVector2     *intersection)
+{
+  MetaVector2 p = line1->a;
+  MetaVector2 r = meta_vector2_subtract (line1->b, line1->a);
+  MetaVector2 q = line2->a;
+  MetaVector2 s = meta_vector2_subtract (line2->b, line2->a);
+  float rxs;
+  float sxr;
+  float t;
+  float u;
+
+  /*
+   * The line (p, r) and (q, s) intersects where
+   *
+   *   p + t r = q + u s
+   *
+   * Calculate t:
+   *
+   *   (p + t r) × s = (q + u s) × s
+   *   p × s + t (r × s) = q × s + u (s × s)
+   *   p × s + t (r × s) = q × s
+   *   t (r × s) = q × s - p × s
+   *   t (r × s) = (q - p) × s
+   *   t = ((q - p) × s) / (r × s)
+   *
+   * Using the same method, for u we get:
+   *
+   *   u = ((p - q) × r) / (s × r)
+   */
+
+  rxs = meta_vector2_cross_product (r, s);
+  sxr = meta_vector2_cross_product (s, r);
+
+  /* If r × s = 0 then the lines are either parallel or collinear. */
+  if (fabsf (rxs) < FLT_MIN)
+    return FALSE;
+
+  t = meta_vector2_cross_product (meta_vector2_subtract (q, p), s) / rxs;
+  u = meta_vector2_cross_product (meta_vector2_subtract (p, q), r) / sxr;
+
+  /* The lines only intersect if 0 ≤ t ≤ 1 and 0 ≤ u ≤ 1. */
+  if (t < 0.0 || t > 1.0 || u < 0.0 || u > 1.0)
+    return FALSE;
+
+  *intersection = meta_vector2_add (p, meta_vector2_multiply_constant (t, r));
+
+  return TRUE;
+}
+
+gboolean
+meta_border_is_horizontal (MetaBorder *border)
+{
+  return border->line.a.y == border->line.b.y;
+}
+
+gboolean
+meta_border_is_blocking_directions (MetaBorder               *border,
+                                    MetaBorderMotionDirection directions)
+{
+  if (meta_border_is_horizontal (border))
+    {
+      if ((directions & (META_BORDER_MOTION_DIRECTION_POSITIVE_Y |
+                         META_BORDER_MOTION_DIRECTION_NEGATIVE_Y)) == 0)
+        return FALSE;
+    }
+  else
+    {
+      if ((directions & (META_BORDER_MOTION_DIRECTION_POSITIVE_X |
+                         META_BORDER_MOTION_DIRECTION_NEGATIVE_X)) == 0)
+        return FALSE;
+    }
+
+  return (~border->blocking_directions & directions) != directions;
+}
+
+unsigned int
+meta_border_get_allows_directions (MetaBorder *border)
+{
+  return ~border->blocking_directions &
+    (META_BORDER_MOTION_DIRECTION_POSITIVE_X |
+     META_BORDER_MOTION_DIRECTION_POSITIVE_Y |
+     META_BORDER_MOTION_DIRECTION_NEGATIVE_X |
+     META_BORDER_MOTION_DIRECTION_NEGATIVE_Y);
+}
+
+void
+meta_border_set_allows_directions (MetaBorder *border, unsigned int directions)
+{
+  border->blocking_directions =
+    ~directions & (META_BORDER_MOTION_DIRECTION_POSITIVE_X |
+                   META_BORDER_MOTION_DIRECTION_POSITIVE_Y |
+                   META_BORDER_MOTION_DIRECTION_NEGATIVE_X |
+                   META_BORDER_MOTION_DIRECTION_NEGATIVE_Y);
+}

src/core/meta-border.h

@@ -0,0 +1,84 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#ifndef META_BORDER_H
+#define META_BORDER_H
+
+#include <glib.h>
+
+typedef enum
+{
+  META_BORDER_MOTION_DIRECTION_POSITIVE_X = 1 << 0,
+  META_BORDER_MOTION_DIRECTION_POSITIVE_Y = 1 << 1,
+  META_BORDER_MOTION_DIRECTION_NEGATIVE_X = 1 << 2,
+  META_BORDER_MOTION_DIRECTION_NEGATIVE_Y = 1 << 3,
+} MetaBorderMotionDirection;
+
+typedef struct _MetaVector2
+{
+  float x;
+  float y;
+} MetaVector2;
+
+typedef struct _MetaLine2
+{
+  MetaVector2 a;
+  MetaVector2 b;
+} MetaLine2;
+
+typedef struct _MetaBorder
+{
+  MetaLine2 line;
+  MetaBorderMotionDirection blocking_directions;
+} MetaBorder;
+
+static inline MetaVector2
+meta_vector2_subtract (const MetaVector2 a,
+                       const MetaVector2 b)
+{
+  return (MetaVector2) {
+    .x = a.x - b.x,
+    .y = a.y - b.y,
+  };
+}
+
+gboolean
+meta_line2_intersects_with (const MetaLine2 *line1,
+                            const MetaLine2 *line2,
+                            MetaVector2     *intersection);
+
+gboolean
+meta_border_is_horizontal (MetaBorder *border);
+
+gboolean
+meta_border_is_blocking_directions (MetaBorder               *border,
+                                    MetaBorderMotionDirection directions);
+
+unsigned int
+meta_border_get_allows_directions (MetaBorder *border);
+
+void
+meta_border_set_allows_directions (MetaBorder *border, unsigned int directions);
+
+#endif /* META_BORDER_H */

src/core/mutter.c

@@ -44,7 +44,7 @@ print_version (const gchar    *option_name,
   exit (0);
 }
 
-static gchar *plugin = "default";
+static const char *plugin = "default";
 
 GOptionEntry mutter_options[] = {
   {

src/core/prefs.c

@@ -96,6 +96,10 @@ static gboolean bell_is_audible = TRUE;
 static gboolean gnome_accessibility = FALSE;
 static gboolean gnome_animations = TRUE;
 static char *cursor_theme = NULL;
+/* cursor_size will, when running as an X11 compositing window manager, be the
+ * actual cursor size, multiplied with the global window scaling factor. On
+ * Wayland, it will be the actual cursor size retrieved from gsettings.
+ */
 static int   cursor_size = 24;
 static int   draggable_border_width = 10;
 static int   drag_threshold;
@@ -123,6 +127,9 @@ static gboolean update_binding         (MetaKeyPref *binding,
 static gboolean update_key_binding     (const char  *key,
                                         gchar      **strokes);
 
+static void wayland_settings_changed (GSettings      *settings,
+                                      gchar          *key,
+                                      gpointer        data);
 static void settings_changed (GSettings      *settings,
                               gchar          *key,
                               gpointer        data);
@@ -134,9 +141,10 @@ static void shell_shows_app_menu_changed (GtkSettings *settings,
                                           GParamSpec  *pspec,
                                           gpointer     data);
 
-static void update_cursor_size (GtkSettings *settings,
-                                GParamSpec *pspec,
-                                gpointer data);
+static void update_cursor_size_from_gtk (GtkSettings *settings,
+                                         GParamSpec *pspec,
+                                         gpointer data);
+static void update_cursor_size (void);
 
 static void queue_changed (MetaPreference  pref);
 
@@ -161,8 +169,8 @@ typedef struct
 
 typedef struct
 {
-  char *key;
-  char *schema;
+  const char *key;
+  const char *schema;
   MetaPreference pref;
 } MetaBasePreference;
 
@@ -963,14 +971,18 @@ meta_prefs_init (void)
                     G_CALLBACK (settings_changed), NULL);
   g_signal_connect (settings, "changed::" KEY_GNOME_CURSOR_THEME,
                     G_CALLBACK (settings_changed), NULL);
+  if (meta_is_wayland_compositor ())
+    g_signal_connect (settings, "changed::cursor-size",
+                      G_CALLBACK (wayland_settings_changed), NULL);
   g_hash_table_insert (settings_schemas, g_strdup (SCHEMA_INTERFACE), settings);
 
   g_signal_connect (gtk_settings_get_default (),
                     "notify::gtk-shell-shows-app-menu",
                     G_CALLBACK (shell_shows_app_menu_changed), NULL);
 
-  g_signal_connect (gtk_settings_get_default (), "notify::gtk-cursor-theme-size",
-                    G_CALLBACK (update_cursor_size), NULL);
+  if (!meta_is_wayland_compositor ())
+    g_signal_connect (gtk_settings_get_default (), "notify::gtk-cursor-theme-size",
+                      G_CALLBACK (update_cursor_size_from_gtk), NULL);
 
   settings = g_settings_new (SCHEMA_INPUT_SOURCES);
   g_signal_connect (settings, "changed::" KEY_XKB_OPTIONS,
@@ -992,7 +1004,7 @@ meta_prefs_init (void)
   handle_preference_init_string_array ();
   handle_preference_init_int ();
 
-  update_cursor_size (gtk_settings_get_default (), NULL, NULL);
+  update_cursor_size ();
   shell_shows_app_menu_changed (gtk_settings_get_default (), NULL, NULL);
 
   init_bindings ();
@@ -1133,6 +1145,20 @@ meta_prefs_override_preference_schema (const char *key, const char *schema)
 /****************************************************************************/
 
 
+static void
+wayland_settings_changed (GSettings      *settings,
+                          gchar          *key,
+                          gpointer        data)
+{
+  GVariant *value = g_settings_get_value (settings, key);
+  const GVariantType *type = g_variant_get_type (value);
+
+  g_return_if_fail (g_variant_type_equal (type, G_VARIANT_TYPE_INT32));
+  g_return_if_fail (g_str_equal (key, "cursor-size"));
+
+  update_cursor_size ();
+}
+
 static void
 settings_changed (GSettings *settings,
                   gchar *key,
@@ -1216,9 +1242,29 @@ shell_shows_app_menu_changed (GtkSettings *settings,
 }
 
 static void
-update_cursor_size (GtkSettings *settings,
-                    GParamSpec *pspec,
-                    gpointer data)
+update_cursor_size (void)
+{
+  if (meta_is_wayland_compositor ())
+    {
+      /* When running as a Wayland compositor, since we size of the cursor
+       * depends on what output it is on, we cannot use the GTK+
+       * "gtk-cursor-theme-size" setting because it has already been multiplied
+       * by the primary monitor scale. So, instead get the non-premultiplied
+       * cursor size value directly from gsettings instead.
+       */
+      cursor_size =
+        g_settings_get_int (SETTINGS (SCHEMA_INTERFACE), "cursor-size");
+    }
+  else
+    {
+      update_cursor_size_from_gtk (gtk_settings_get_default (), NULL, NULL);
+    }
+}
+
+static void
+update_cursor_size_from_gtk (GtkSettings *settings,
+                             GParamSpec *pspec,
+                             gpointer data)
 {
   GdkScreen *screen = gdk_screen_get_default ();
   GValue value = G_VALUE_INIT;
@@ -1431,42 +1477,11 @@ button_function_from_string (const char *str)
     return META_BUTTON_FUNCTION_MAXIMIZE;
   else if (strcmp (str, "close") == 0)
     return META_BUTTON_FUNCTION_CLOSE;
-  else if (strcmp (str, "shade") == 0)
-    return META_BUTTON_FUNCTION_SHADE;
-  else if (strcmp (str, "above") == 0)
-    return META_BUTTON_FUNCTION_ABOVE;
-  else if (strcmp (str, "stick") == 0)
-    return META_BUTTON_FUNCTION_STICK;
   else
     /* don't know; give up */
     return META_BUTTON_FUNCTION_LAST;
 }
 
-static MetaButtonFunction
-button_opposite_function (MetaButtonFunction ofwhat)
-{
-  switch (ofwhat)
-    {
-    case META_BUTTON_FUNCTION_SHADE:
-      return META_BUTTON_FUNCTION_UNSHADE;
-    case META_BUTTON_FUNCTION_UNSHADE:
-      return META_BUTTON_FUNCTION_SHADE;
-
-    case META_BUTTON_FUNCTION_ABOVE:
-      return META_BUTTON_FUNCTION_UNABOVE;
-    case META_BUTTON_FUNCTION_UNABOVE:
-      return META_BUTTON_FUNCTION_ABOVE;
-
-    case META_BUTTON_FUNCTION_STICK:
-      return META_BUTTON_FUNCTION_UNSTICK;
-    case META_BUTTON_FUNCTION_UNSTICK:
-      return META_BUTTON_FUNCTION_STICK;
-
-    default:
-      return META_BUTTON_FUNCTION_LAST;
-    }
-}
-
 static gboolean
 button_layout_handler (GVariant *value,
                        gpointer *result,
@@ -1510,12 +1525,6 @@ button_layout_handler (GVariant *value,
           if (i > 0 && strcmp("spacer", buttons[b]) == 0)
             {
               new_layout.left_buttons_has_spacer[i-1] = TRUE;
-              f = button_opposite_function (f);
-
-              if (f != META_BUTTON_FUNCTION_LAST)
-                {
-                  new_layout.left_buttons_has_spacer[i-2] = TRUE;
-                }
             }
           else
             {
@@ -1524,11 +1533,6 @@ button_layout_handler (GVariant *value,
                   new_layout.left_buttons[i] = f;
                   used[f] = TRUE;
                   ++i;
-
-                  f = button_opposite_function (f);
-
-                  if (f != META_BUTTON_FUNCTION_LAST)
-                      new_layout.left_buttons[i++] = f;
                 }
               else
                 {
@@ -1572,11 +1576,6 @@ button_layout_handler (GVariant *value,
           if (i > 0 && strcmp("spacer", buttons[b]) == 0)
             {
               new_layout.right_buttons_has_spacer[i-1] = TRUE;
-              f = button_opposite_function (f);
-              if (f != META_BUTTON_FUNCTION_LAST)
-                {
-                  new_layout.right_buttons_has_spacer[i-2] = TRUE;
-                }
             }
           else
             {
@@ -1585,12 +1584,6 @@ button_layout_handler (GVariant *value,
                   new_layout.right_buttons[i] = f;
                   used[f] = TRUE;
                   ++i;
-
-                  f = button_opposite_function (f);
-
-                  if (f != META_BUTTON_FUNCTION_LAST)
-                      new_layout.right_buttons[i++] = f;
-
                 }
               else
                 {

src/core/screen-private.h

@@ -85,11 +85,7 @@ struct _MetaScreen
   /* Cache the current monitor */
   int last_monitor_index;
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-  SnMonitorContext *sn_context;
   GSList *startup_sequences;
-  guint startup_sequence_timeout;
-#endif
 
   Window wm_cm_selection_window;
   guint work_area_later;
@@ -152,6 +148,10 @@ const MetaMonitorInfo* meta_screen_get_monitor_for_rect   (MetaScreen    *screen
 const MetaMonitorInfo* meta_screen_calculate_monitor_for_window (MetaScreen    *screen,
                                                                  MetaWindow    *window);
 
+const MetaMonitorInfo* meta_screen_get_monitor_for_point (MetaScreen    *screen,
+                                                          int            x,
+                                                          int            y);
+
 
 const MetaMonitorInfo* meta_screen_get_monitor_neighbor (MetaScreen *screen,
                                                          int         which_monitor,

src/core/screen.c

@@ -43,6 +43,7 @@
 #include <meta/meta-enum-types.h>
 #include "core.h"
 #include "meta-cursor-tracker-private.h"
+#include "boxes-private.h"
 
 #include <X11/extensions/Xinerama.h>
 #include <X11/extensions/Xcomposite.h>
@@ -70,11 +71,6 @@ static void prefs_changed_callback (MetaPreference pref,
 static void set_desktop_geometry_hint (MetaScreen *screen);
 static void set_desktop_viewport_hint (MetaScreen *screen);
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-static void meta_screen_sn_event   (SnMonitorEvent *event,
-                                    void           *user_data);
-#endif
-
 static void on_monitors_changed (MetaMonitorManager *manager,
                                  MetaScreen         *screen);
 
@@ -729,17 +725,6 @@ meta_screen_new (MetaDisplay *display,
 
   meta_prefs_add_listener (prefs_changed_callback, screen);
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-  screen->sn_context =
-    sn_monitor_context_new (screen->display->sn_display,
-                            screen->number,
-                            meta_screen_sn_event,
-                            screen,
-                            NULL);
-  screen->startup_sequences = NULL;
-  screen->startup_sequence_timeout = 0;
-#endif
-
   meta_verbose ("Added screen %d ('%s') root 0x%lx\n",
                 screen->number, screen->screen_name, screen->xroot);
 
@@ -799,24 +784,6 @@ meta_screen_free (MetaScreen *screen,
 
   meta_screen_ungrab_keys (screen);
 
-#ifdef HAVE_STARTUP_NOTIFICATION
-  g_slist_foreach (screen->startup_sequences,
-                   (GFunc) sn_startup_sequence_unref, NULL);
-  g_slist_free (screen->startup_sequences);
-  screen->startup_sequences = NULL;
-
-  if (screen->startup_sequence_timeout != 0)
-    {
-      g_source_remove (screen->startup_sequence_timeout);
-      screen->startup_sequence_timeout = 0;
-    }
-  if (screen->sn_context)
-    {
-      sn_monitor_context_unref (screen->sn_context);
-      screen->sn_context = NULL;
-    }
-#endif
-
   meta_ui_free (screen->ui);
 
   meta_stack_free (screen->stack);
@@ -1255,6 +1222,31 @@ update_num_workspaces (MetaScreen *screen,
   g_object_notify (G_OBJECT (screen), "n-workspaces");
 }
 
+static void
+root_cursor_prepare_at (MetaCursorSprite *cursor_sprite,
+                        int x,
+                        int y,
+                        MetaScreen *screen)
+{
+  const MetaMonitorInfo *monitor;
+
+  monitor = meta_screen_get_monitor_for_point (screen, x, y);
+
+  /* Reload the cursor texture if the scale has changed. */
+  meta_cursor_sprite_set_theme_scale (cursor_sprite, monitor->scale);
+}
+
+static void
+manage_root_cursor_sprite_scale (MetaScreen *screen,
+                                 MetaCursorSprite *cursor_sprite)
+{
+  g_signal_connect_object (cursor_sprite,
+                           "prepare-at",
+                           G_CALLBACK (root_cursor_prepare_at),
+                           screen,
+                           0);
+}
+
 void
 meta_screen_update_cursor (MetaScreen *screen)
 {
@@ -1265,6 +1257,10 @@ meta_screen_update_cursor (MetaScreen *screen)
   MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (screen);
 
   cursor_sprite = meta_cursor_sprite_from_theme (cursor);
+
+  if (meta_is_wayland_compositor ())
+    manage_root_cursor_sprite_scale (screen, cursor_sprite);
+
   meta_cursor_tracker_set_root_cursor (tracker, cursor_sprite);
   g_object_unref (cursor_sprite);
 
@@ -1454,6 +1450,25 @@ meta_screen_get_monitor_index_for_rect (MetaScreen    *screen,
   return monitor->number;
 }
 
+const MetaMonitorInfo *
+meta_screen_get_monitor_for_point (MetaScreen *screen,
+                                   int         x,
+                                   int         y)
+{
+  int i;
+
+  if (screen->n_monitor_infos == 1)
+    return &screen->monitor_infos[0];
+
+  for (i = 0; i < screen->n_monitor_infos; i++)
+    {
+      if (POINT_IN_RECT (x, y, screen->monitor_infos[i].rect))
+        return &screen->monitor_infos[i];
+    }
+
+  return NULL;
+}
+
 const MetaMonitorInfo*
 meta_screen_get_monitor_neighbor (MetaScreen         *screen,
                                   int                 which_monitor,
@@ -2051,7 +2066,7 @@ meta_screen_queue_workarea_recalc (MetaScreen *screen)
 
 
 #ifdef WITH_VERBOSE_MODE
-static char *
+static const char *
 meta_screen_corner_to_string (MetaScreenCorner corner)
 {
   switch (corner)
@@ -2489,208 +2504,6 @@ meta_screen_unshow_desktop (MetaScreen *screen)
   meta_screen_update_showing_desktop_hint (screen);
 }
 
-
-#ifdef HAVE_STARTUP_NOTIFICATION
-static gboolean startup_sequence_timeout (void *data);
-
-static void
-update_startup_feedback (MetaScreen *screen)
-{
-  if (screen->startup_sequences != NULL)
-    {
-      meta_topic (META_DEBUG_STARTUP,
-                  "Setting busy cursor\n");
-      meta_screen_set_cursor (screen, META_CURSOR_BUSY);
-    }
-  else
-    {
-      meta_topic (META_DEBUG_STARTUP,
-                  "Setting default cursor\n");
-      meta_screen_set_cursor (screen, META_CURSOR_DEFAULT);
-    }
-}
-
-static void
-add_sequence (MetaScreen        *screen,
-              SnStartupSequence *sequence)
-{
-  meta_topic (META_DEBUG_STARTUP,
-              "Adding sequence %s\n",
-              sn_startup_sequence_get_id (sequence));
-  sn_startup_sequence_ref (sequence);
-  screen->startup_sequences = g_slist_prepend (screen->startup_sequences,
-                                               sequence);
-
-  /* our timeout just polls every second, instead of bothering
-   * to compute exactly when we may next time out
-   */
-  if (screen->startup_sequence_timeout == 0)
-    {
-      screen->startup_sequence_timeout = g_timeout_add_seconds (1,
-                                                                startup_sequence_timeout,
-                                                                screen);
-      g_source_set_name_by_id (screen->startup_sequence_timeout,
-                               "[mutter] startup_sequence_timeout");
-    }
-
-  update_startup_feedback (screen);
-}
-
-static void
-remove_sequence (MetaScreen        *screen,
-                 SnStartupSequence *sequence)
-{
-  meta_topic (META_DEBUG_STARTUP,
-              "Removing sequence %s\n",
-              sn_startup_sequence_get_id (sequence));
-
-  screen->startup_sequences = g_slist_remove (screen->startup_sequences,
-                                              sequence);
-
-  if (screen->startup_sequences == NULL &&
-      screen->startup_sequence_timeout != 0)
-    {
-      g_source_remove (screen->startup_sequence_timeout);
-      screen->startup_sequence_timeout = 0;
-    }
-
-  update_startup_feedback (screen);
-
-  sn_startup_sequence_unref (sequence);
-}
-
-typedef struct
-{
-  GSList *list;
-  GTimeVal now;
-} CollectTimedOutData;
-
-/* This should be fairly long, as it should never be required unless
- * apps or .desktop files are buggy, and it's confusing if
- * OpenOffice or whatever seems to stop launching - people
- * might decide they need to launch it again.
- */
-#define STARTUP_TIMEOUT 15000
-
-static void
-collect_timed_out_foreach (void *element,
-                           void *data)
-{
-  CollectTimedOutData *ctod = data;
-  SnStartupSequence *sequence = element;
-  long tv_sec, tv_usec;
-  double elapsed;
-
-  sn_startup_sequence_get_last_active_time (sequence, &tv_sec, &tv_usec);
-
-  elapsed =
-    ((((double)ctod->now.tv_sec - tv_sec) * G_USEC_PER_SEC +
-      (ctod->now.tv_usec - tv_usec))) / 1000.0;
-
-  meta_topic (META_DEBUG_STARTUP,
-              "Sequence used %g seconds vs. %g max: %s\n",
-              elapsed, (double) STARTUP_TIMEOUT,
-              sn_startup_sequence_get_id (sequence));
-
-  if (elapsed > STARTUP_TIMEOUT)
-    ctod->list = g_slist_prepend (ctod->list, sequence);
-}
-
-static gboolean
-startup_sequence_timeout (void *data)
-{
-  MetaScreen *screen = data;
-  CollectTimedOutData ctod;
-  GSList *l;
-
-  ctod.list = NULL;
-  g_get_current_time (&ctod.now);
-  g_slist_foreach (screen->startup_sequences,
-                   collect_timed_out_foreach,
-                   &ctod);
-
-  for (l = ctod.list; l != NULL; l = l->next)
-    {
-      SnStartupSequence *sequence = l->data;
-
-      meta_topic (META_DEBUG_STARTUP,
-                  "Timed out sequence %s\n",
-                  sn_startup_sequence_get_id (sequence));
-
-      sn_startup_sequence_complete (sequence);
-    }
-
-  g_slist_free (ctod.list);
-
-  if (screen->startup_sequences != NULL)
-    {
-      return TRUE;
-    }
-  else
-    {
-      /* remove */
-      screen->startup_sequence_timeout = 0;
-      return FALSE;
-    }
-}
-
-static void
-meta_screen_sn_event (SnMonitorEvent *event,
-                      void           *user_data)
-{
-  MetaScreen *screen;
-  SnStartupSequence *sequence;
-
-  screen = user_data;
-
-  sequence = sn_monitor_event_get_startup_sequence (event);
-
-  sn_startup_sequence_ref (sequence);
-
-  switch (sn_monitor_event_get_type (event))
-    {
-    case SN_MONITOR_EVENT_INITIATED:
-      {
-        const char *wmclass;
-
-        wmclass = sn_startup_sequence_get_wmclass (sequence);
-
-        meta_topic (META_DEBUG_STARTUP,
-                    "Received startup initiated for %s wmclass %s\n",
-                    sn_startup_sequence_get_id (sequence),
-                    wmclass ? wmclass : "(unset)");
-        add_sequence (screen, sequence);
-      }
-      break;
-
-    case SN_MONITOR_EVENT_COMPLETED:
-      {
-        meta_topic (META_DEBUG_STARTUP,
-                    "Received startup completed for %s\n",
-                    sn_startup_sequence_get_id (sequence));
-        remove_sequence (screen,
-                         sn_monitor_event_get_startup_sequence (event));
-      }
-      break;
-
-    case SN_MONITOR_EVENT_CHANGED:
-      meta_topic (META_DEBUG_STARTUP,
-                  "Received startup changed for %s\n",
-                  sn_startup_sequence_get_id (sequence));
-      break;
-
-    case SN_MONITOR_EVENT_CANCELED:
-      meta_topic (META_DEBUG_STARTUP,
-                  "Received startup canceled for %s\n",
-                  sn_startup_sequence_get_id (sequence));
-      break;
-    }
-
-  g_signal_emit (G_OBJECT (screen), screen_signals[STARTUP_SEQUENCE_CHANGED], 0, sequence);
-
-  sn_startup_sequence_unref (sequence);
-}
-
 /**
  * meta_screen_get_startup_sequences: (skip)
  * @screen:
@@ -2702,7 +2515,6 @@ meta_screen_get_startup_sequences (MetaScreen *screen)
 {
   return screen->startup_sequences;
 }
-#endif
 
 /* Sets the initial_timestamp and initial_workspace properties
  * of a window according to information given us by the

src/core/stack.c

@@ -1055,7 +1055,7 @@ stack_sync_to_xserver (MetaStack *stack)
   all_root_children_stacked = g_array_new (FALSE, FALSE, sizeof (guint64));
   x11_hidden_stack_ids = g_array_new (FALSE, FALSE, sizeof (guint64));
 
-  meta_topic (META_DEBUG_STACK, "Top to bottom: ");
+  meta_topic (META_DEBUG_STACK, "Bottom to top: ");
   meta_push_no_msg_prefix ();
 
   for (tmp = g_list_last(stack->sorted); tmp != NULL; tmp = tmp->prev)
@@ -1088,11 +1088,7 @@ stack_sync_to_xserver (MetaStack *stack)
       if (w->hidden)
 	{
           if (w->client_type == META_WINDOW_CLIENT_TYPE_X11)
-            {
-              guint64 stack_id = top_level_window;
-
-              g_array_append_val (x11_hidden_stack_ids, stack_id);
-            }
+            g_array_append_val (x11_hidden_stack_ids, top_level_window);
 	  continue;
 	}
 

src/core/startup-notification-private.h

@@ -0,0 +1,48 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2001, 2002 Havoc Pennington
+ * Copyright (C) 2002, 2003 Red Hat Inc.
+ * Some ICCCM manager selection code derived from fvwm2,
+ * Copyright (C) 2001 Dominik Vogt, Matthias Clasen, and fvwm2 team
+ * Copyright (C) 2003 Rob Adams
+ * Copyright (C) 2004-2006 Elijah Newren
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef META_STARTUP_NOTIFICATION_PRIVATE_H
+#define META_STARTUP_NOTIFICATION_PRIVATE_H
+
+#include "display-private.h"
+
+#define META_TYPE_STARTUP_NOTIFICATION (meta_startup_notification_get_type ())
+
+G_DECLARE_FINAL_TYPE (MetaStartupNotification,
+                      meta_startup_notification,
+                      META, STARTUP_NOTIFICATION,
+                      GObject)
+
+MetaStartupNotification *
+         meta_startup_notification_get             (MetaDisplay             *display);
+
+gboolean meta_startup_notification_handle_xevent   (MetaStartupNotification *sn,
+                                                    XEvent                  *xevent);
+
+void     meta_startup_notification_remove_sequence (MetaStartupNotification *sn,
+                                                    const gchar             *id);
+
+GSList * meta_startup_notification_get_sequences   (MetaStartupNotification *sn);
+
+#endif /* META_STARTUP_NOTIFICATION_PRIVATE_H */

src/core/startup-notification.c

@@ -0,0 +1,767 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2001, 2002 Havoc Pennington
+ * Copyright (C) 2002, 2003 Red Hat Inc.
+ * Some ICCCM manager selection code derived from fvwm2,
+ * Copyright (C) 2001 Dominik Vogt, Matthias Clasen, and fvwm2 team
+ * Copyright (C) 2003 Rob Adams
+ * Copyright (C) 2004-2006 Elijah Newren
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <glib-object.h>
+
+#include <meta/errors.h>
+#include "display-private.h"
+#include "screen-private.h"
+#include "startup-notification-private.h"
+
+/* This should be fairly long, as it should never be required unless
+ * apps or .desktop files are buggy, and it's confusing if
+ * OpenOffice or whatever seems to stop launching - people
+ * might decide they need to launch it again.
+ */
+#define STARTUP_TIMEOUT 15000000
+
+typedef struct _MetaStartupNotificationSequence MetaStartupNotificationSequence;
+typedef struct _MetaStartupNotificationSequenceClass MetaStartupNotificationSequenceClass;
+
+enum {
+  PROP_SN_0,
+  PROP_SN_DISPLAY,
+  N_SN_PROPS
+};
+
+enum {
+  PROP_SEQ_0,
+  PROP_SEQ_ID,
+  PROP_SEQ_TIMESTAMP,
+  N_SEQ_PROPS
+};
+
+enum {
+  SN_CHANGED,
+  N_SN_SIGNALS
+};
+
+static guint sn_signals[N_SN_SIGNALS];
+static GParamSpec *sn_props[N_SN_PROPS];
+static GParamSpec *seq_props[N_SEQ_PROPS];
+
+typedef struct
+{
+  GSList *list;
+  gint64 now;
+} CollectTimedOutData;
+
+struct _MetaStartupNotification
+{
+  GObject parent_instance;
+  MetaDisplay *display;
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+  SnDisplay *sn_display;
+  SnMonitorContext *sn_context;
+#endif
+
+  GSList *startup_sequences;
+  guint startup_sequence_timeout;
+};
+
+#define META_TYPE_STARTUP_NOTIFICATION_SEQUENCE \
+  (meta_startup_notification_sequence_get_type ())
+
+G_DECLARE_DERIVABLE_TYPE (MetaStartupNotificationSequence,
+                          meta_startup_notification_sequence,
+                          META, STARTUP_NOTIFICATION_SEQUENCE,
+                          GObject)
+
+typedef struct {
+  gchar *id;
+  time_t timestamp;
+} MetaStartupNotificationSequencePrivate;
+
+struct _MetaStartupNotificationSequenceClass {
+  GObjectClass parent_class;
+
+  void (* complete) (MetaStartupNotificationSequence *sequence);
+};
+
+G_DEFINE_TYPE (MetaStartupNotification,
+               meta_startup_notification,
+               G_TYPE_OBJECT)
+G_DEFINE_TYPE_WITH_PRIVATE (MetaStartupNotificationSequence,
+                            meta_startup_notification_sequence,
+                            G_TYPE_OBJECT)
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+
+enum {
+  PROP_SEQ_X11_0,
+  PROP_SEQ_X11_SEQ,
+  N_SEQ_X11_PROPS
+};
+
+struct _MetaStartupNotificationSequenceX11 {
+  MetaStartupNotificationSequence parent_instance;
+  SnStartupSequence *seq;
+};
+
+static GParamSpec *seq_x11_props[N_SEQ_X11_PROPS];
+
+#define META_TYPE_STARTUP_NOTIFICATION_SEQUENCE_X11 \
+  (meta_startup_notification_sequence_x11_get_type ())
+
+G_DECLARE_FINAL_TYPE (MetaStartupNotificationSequenceX11,
+                      meta_startup_notification_sequence_x11,
+                      META, STARTUP_NOTIFICATION_SEQUENCE_X11,
+                      MetaStartupNotificationSequence)
+
+G_DEFINE_TYPE (MetaStartupNotificationSequenceX11,
+               meta_startup_notification_sequence_x11,
+               META_TYPE_STARTUP_NOTIFICATION_SEQUENCE)
+
+static void meta_startup_notification_ensure_timeout  (MetaStartupNotification *sn);
+
+#endif
+
+static void
+meta_startup_notification_update_feedback (MetaStartupNotification *sn)
+{
+  MetaScreen *screen = sn->display->screen;
+
+  if (sn->startup_sequences != NULL)
+    {
+      meta_topic (META_DEBUG_STARTUP,
+                  "Setting busy cursor\n");
+      meta_screen_set_cursor (screen, META_CURSOR_BUSY);
+    }
+  else
+    {
+      meta_topic (META_DEBUG_STARTUP,
+                  "Setting default cursor\n");
+      meta_screen_set_cursor (screen, META_CURSOR_DEFAULT);
+    }
+}
+
+static void
+meta_startup_notification_sequence_init (MetaStartupNotificationSequence *seq)
+{
+}
+
+static void
+meta_startup_notification_sequence_finalize (GObject *object)
+{
+  MetaStartupNotificationSequence *seq;
+  MetaStartupNotificationSequencePrivate *priv;
+
+  seq = META_STARTUP_NOTIFICATION_SEQUENCE (object);
+  priv = meta_startup_notification_sequence_get_instance_private (seq);
+  g_free (priv->id);
+
+  G_OBJECT_CLASS (meta_startup_notification_sequence_parent_class)->finalize (object);
+}
+
+static void
+meta_startup_notification_sequence_set_property (GObject      *object,
+                                                 guint         prop_id,
+                                                 const GValue *value,
+                                                 GParamSpec   *pspec)
+{
+  MetaStartupNotificationSequence *seq;
+  MetaStartupNotificationSequencePrivate *priv;
+
+  seq = META_STARTUP_NOTIFICATION_SEQUENCE (object);
+  priv = meta_startup_notification_sequence_get_instance_private (seq);
+
+  switch (prop_id)
+    {
+    case PROP_SEQ_ID:
+      priv->id = g_value_dup_string (value);
+      break;
+    case PROP_SEQ_TIMESTAMP:
+      priv->timestamp = g_value_get_int64 (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+meta_startup_notification_sequence_get_property (GObject    *object,
+                                                 guint       prop_id,
+                                                 GValue     *value,
+                                                 GParamSpec *pspec)
+{
+  MetaStartupNotificationSequence *seq;
+  MetaStartupNotificationSequencePrivate *priv;
+
+  seq = META_STARTUP_NOTIFICATION_SEQUENCE (object);
+  priv = meta_startup_notification_sequence_get_instance_private (seq);
+
+  switch (prop_id)
+    {
+    case PROP_SEQ_ID:
+      g_value_set_string (value, priv->id);
+      break;
+    case PROP_SEQ_TIMESTAMP:
+      g_value_set_int64 (value, priv->timestamp);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+meta_startup_notification_sequence_class_init (MetaStartupNotificationSequenceClass *klass)
+{
+  GObjectClass *object_class;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->finalize = meta_startup_notification_sequence_finalize;
+  object_class->set_property = meta_startup_notification_sequence_set_property;
+  object_class->get_property = meta_startup_notification_sequence_get_property;
+
+  seq_props[PROP_SEQ_ID] =
+    g_param_spec_string ("id",
+                         "ID",
+                         "ID",
+                         NULL,
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT_ONLY);
+  seq_props[PROP_SEQ_TIMESTAMP] =
+    g_param_spec_int64 ("timestamp",
+                        "Timestamp",
+                        "Timestamp",
+                        G_MININT64, G_MAXINT64, 0,
+                        G_PARAM_READWRITE |
+                        G_PARAM_CONSTRUCT_ONLY);
+
+  g_object_class_install_properties (object_class, N_SEQ_PROPS, seq_props);
+}
+
+static const gchar *
+meta_startup_notification_sequence_get_id (MetaStartupNotificationSequence *seq)
+{
+  MetaStartupNotificationSequencePrivate *priv;
+
+  priv = meta_startup_notification_sequence_get_instance_private (seq);
+  return priv->id;
+}
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+static gint64
+meta_startup_notification_sequence_get_timestamp (MetaStartupNotificationSequence *seq)
+{
+  MetaStartupNotificationSequencePrivate *priv;
+
+  priv = meta_startup_notification_sequence_get_instance_private (seq);
+  return priv->timestamp;
+}
+
+static void
+meta_startup_notification_sequence_complete (MetaStartupNotificationSequence *seq)
+{
+  MetaStartupNotificationSequenceClass *klass;
+
+  klass = META_STARTUP_NOTIFICATION_SEQUENCE_GET_CLASS (seq);
+
+  if (klass->complete)
+    klass->complete (seq);
+}
+#endif
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+static void
+meta_startup_notification_sequence_x11_complete (MetaStartupNotificationSequence *seq)
+{
+  MetaStartupNotificationSequenceX11 *seq_x11;
+
+  seq_x11 = META_STARTUP_NOTIFICATION_SEQUENCE_X11 (seq);
+  sn_startup_sequence_complete (seq_x11->seq);
+}
+
+static void
+meta_startup_notification_sequence_x11_finalize (GObject *object)
+{
+  MetaStartupNotificationSequenceX11 *seq;
+
+  seq = META_STARTUP_NOTIFICATION_SEQUENCE_X11 (object);
+  sn_startup_sequence_unref (seq->seq);
+
+  G_OBJECT_CLASS (meta_startup_notification_sequence_x11_parent_class)->finalize (object);
+}
+
+static void
+meta_startup_notification_sequence_x11_set_property (GObject      *object,
+                                                     guint         prop_id,
+                                                     const GValue *value,
+                                                     GParamSpec   *pspec)
+{
+  MetaStartupNotificationSequenceX11 *seq;
+
+  seq = META_STARTUP_NOTIFICATION_SEQUENCE_X11 (object);
+
+  switch (prop_id)
+    {
+    case PROP_SEQ_X11_SEQ:
+      seq->seq = g_value_get_pointer (value);
+      sn_startup_sequence_ref (seq->seq);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+meta_startup_notification_sequence_x11_get_property (GObject    *object,
+                                                     guint       prop_id,
+                                                     GValue     *value,
+                                                     GParamSpec *pspec)
+{
+  MetaStartupNotificationSequenceX11 *seq;
+
+  seq = META_STARTUP_NOTIFICATION_SEQUENCE_X11 (object);
+
+  switch (prop_id)
+    {
+    case PROP_SEQ_X11_SEQ:
+      g_value_set_pointer (value, seq->seq);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+meta_startup_notification_sequence_x11_init (MetaStartupNotificationSequenceX11 *seq)
+{
+}
+
+static void
+meta_startup_notification_sequence_x11_class_init (MetaStartupNotificationSequenceX11Class *klass)
+{
+  MetaStartupNotificationSequenceClass *seq_class;
+  GObjectClass *object_class;
+
+  seq_class = META_STARTUP_NOTIFICATION_SEQUENCE_CLASS (klass);
+  seq_class->complete = meta_startup_notification_sequence_x11_complete;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->finalize = meta_startup_notification_sequence_x11_finalize;
+  object_class->set_property = meta_startup_notification_sequence_x11_set_property;
+  object_class->get_property = meta_startup_notification_sequence_x11_get_property;
+
+  seq_x11_props[PROP_SEQ_X11_SEQ] =
+    g_param_spec_pointer ("seq",
+                          "Sequence",
+                          "Sequence",
+                          G_PARAM_READWRITE |
+                          G_PARAM_CONSTRUCT_ONLY);
+
+  g_object_class_install_properties (object_class, N_SEQ_X11_PROPS,
+                                     seq_x11_props);
+}
+
+static MetaStartupNotificationSequence *
+meta_startup_notification_sequence_x11_new (SnStartupSequence *seq)
+{
+  return g_object_new (META_TYPE_STARTUP_NOTIFICATION_SEQUENCE_X11,
+                       "id", sn_startup_sequence_get_id (seq),
+                       "timestamp", sn_startup_sequence_get_timestamp (seq) * 1000,
+                       "seq", seq,
+                       NULL);
+}
+
+static void
+meta_startup_notification_add_sequence_internal (MetaStartupNotification         *sn,
+                                                 MetaStartupNotificationSequence *seq)
+{
+  sn->startup_sequences = g_slist_prepend (sn->startup_sequences,
+                                           g_object_ref (seq));
+
+  meta_startup_notification_ensure_timeout (sn);
+  meta_startup_notification_update_feedback (sn);
+}
+
+static void
+collect_timed_out_foreach (void *element,
+                           void *data)
+{
+  MetaStartupNotificationSequence *sequence = element;
+  CollectTimedOutData *ctod = data;
+  gint64 elapsed, timestamp;
+
+  timestamp = meta_startup_notification_sequence_get_timestamp (sequence);
+  elapsed = ctod->now - timestamp;
+
+  meta_topic (META_DEBUG_STARTUP,
+              "Sequence used %ld ms vs. %d max: %s\n",
+              elapsed, STARTUP_TIMEOUT,
+              meta_startup_notification_sequence_get_id (sequence));
+
+  if (elapsed > STARTUP_TIMEOUT)
+    ctod->list = g_slist_prepend (ctod->list, sequence);
+}
+
+static gboolean
+startup_sequence_timeout (void *data)
+{
+  MetaStartupNotification *sn = data;
+  CollectTimedOutData ctod;
+  GSList *l;
+
+  ctod.list = NULL;
+  ctod.now = g_get_monotonic_time ();
+  g_slist_foreach (sn->startup_sequences,
+                   collect_timed_out_foreach,
+                   &ctod);
+
+  for (l = ctod.list; l != NULL; l = l->next)
+    {
+      MetaStartupNotificationSequence *sequence = l->data;
+
+      meta_topic (META_DEBUG_STARTUP,
+                  "Timed out sequence %s\n",
+                  meta_startup_notification_sequence_get_id (sequence));
+
+      meta_startup_notification_sequence_complete (sequence);
+    }
+
+  g_slist_free (ctod.list);
+
+  if (sn->startup_sequences != NULL)
+    {
+      return TRUE;
+    }
+  else
+    {
+      /* remove */
+      sn->startup_sequence_timeout = 0;
+      return FALSE;
+    }
+}
+
+static void
+meta_startup_notification_ensure_timeout (MetaStartupNotification *sn)
+{
+  if (sn->startup_sequence_timeout != 0)
+    return;
+
+  /* our timeout just polls every second, instead of bothering
+   * to compute exactly when we may next time out
+   */
+  sn->startup_sequence_timeout = g_timeout_add_seconds (1,
+                                                        startup_sequence_timeout,
+                                                        sn);
+  g_source_set_name_by_id (sn->startup_sequence_timeout,
+                           "[mutter] startup_sequence_timeout");
+}
+#endif
+
+static void
+meta_startup_notification_remove_sequence_internal (MetaStartupNotification         *sn,
+                                                    MetaStartupNotificationSequence *seq)
+{
+  sn->startup_sequences = g_slist_remove (sn->startup_sequences, seq);
+  meta_startup_notification_update_feedback (sn);
+
+  if (sn->startup_sequences == NULL &&
+      sn->startup_sequence_timeout != 0)
+    {
+      g_source_remove (sn->startup_sequence_timeout);
+      sn->startup_sequence_timeout = 0;
+    }
+
+  g_object_unref (seq);
+}
+
+static MetaStartupNotificationSequence *
+meta_startup_notification_lookup_sequence (MetaStartupNotification *sn,
+                                           const gchar             *id)
+{
+  MetaStartupNotificationSequence *seq;
+  const gchar *seq_id;
+  GSList *l;
+
+  for (l = sn->startup_sequences; l; l = l->next)
+    {
+      seq = l->data;
+      seq_id = meta_startup_notification_sequence_get_id (seq);
+
+      if (g_str_equal (seq_id, id))
+        return l->data;
+    }
+
+  return NULL;
+}
+
+static void
+meta_startup_notification_init (MetaStartupNotification *sn)
+{
+}
+
+static void
+meta_startup_notification_finalize (GObject *object)
+{
+  MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+  sn_monitor_context_unref (sn->sn_context);
+  sn_display_unref (sn->sn_display);
+#endif
+
+  if (sn->startup_sequence_timeout)
+    g_source_remove (sn->startup_sequence_timeout);
+
+  g_slist_foreach (sn->startup_sequences, (GFunc) g_object_unref, NULL);
+  g_slist_free (sn->startup_sequences);
+  sn->startup_sequences = NULL;
+
+  G_OBJECT_CLASS (meta_startup_notification_parent_class)->finalize (object);
+}
+
+static void
+meta_startup_notification_set_property (GObject      *object,
+                                        guint         prop_id,
+                                        const GValue *value,
+                                        GParamSpec   *pspec)
+{
+  MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
+
+  switch (prop_id)
+    {
+    case PROP_SN_DISPLAY:
+      sn->display = g_value_get_object (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+meta_startup_notification_get_property (GObject    *object,
+                                        guint       prop_id,
+                                        GValue     *value,
+                                        GParamSpec *pspec)
+{
+  MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
+
+  switch (prop_id)
+    {
+    case PROP_SN_DISPLAY:
+      g_value_set_object (value, sn->display);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+static void
+sn_error_trap_push (SnDisplay *sn_display,
+                    Display   *xdisplay)
+{
+  MetaDisplay *display;
+  display = meta_display_for_x_display (xdisplay);
+  if (display != NULL)
+    meta_error_trap_push (display);
+}
+
+static void
+sn_error_trap_pop (SnDisplay *sn_display,
+                   Display   *xdisplay)
+{
+  MetaDisplay *display;
+  display = meta_display_for_x_display (xdisplay);
+  if (display != NULL)
+    meta_error_trap_pop (display);
+}
+
+static void
+meta_startup_notification_sn_event (SnMonitorEvent *event,
+                                    void           *user_data)
+{
+  MetaStartupNotification *sn = user_data;
+  MetaStartupNotificationSequence *seq;
+  SnStartupSequence *sequence;
+
+  sequence = sn_monitor_event_get_startup_sequence (event);
+
+  sn_startup_sequence_ref (sequence);
+
+  switch (sn_monitor_event_get_type (event))
+    {
+    case SN_MONITOR_EVENT_INITIATED:
+      {
+        const char *wmclass;
+
+        wmclass = sn_startup_sequence_get_wmclass (sequence);
+
+        meta_topic (META_DEBUG_STARTUP,
+                    "Received startup initiated for %s wmclass %s\n",
+                    sn_startup_sequence_get_id (sequence),
+                    wmclass ? wmclass : "(unset)");
+
+        seq = meta_startup_notification_sequence_x11_new (sequence);
+        meta_startup_notification_add_sequence_internal (sn, seq);
+        g_object_unref (seq);
+      }
+      break;
+
+    case SN_MONITOR_EVENT_COMPLETED:
+      {
+        meta_topic (META_DEBUG_STARTUP,
+                    "Received startup completed for %s\n",
+                    sn_startup_sequence_get_id (sequence));
+
+        meta_startup_notification_remove_sequence (sn, sn_startup_sequence_get_id (sequence));
+      }
+      break;
+
+    case SN_MONITOR_EVENT_CHANGED:
+      meta_topic (META_DEBUG_STARTUP,
+                  "Received startup changed for %s\n",
+                  sn_startup_sequence_get_id (sequence));
+      break;
+
+    case SN_MONITOR_EVENT_CANCELED:
+      meta_topic (META_DEBUG_STARTUP,
+                  "Received startup canceled for %s\n",
+                  sn_startup_sequence_get_id (sequence));
+      break;
+    }
+
+  g_signal_emit (sn, sn_signals[SN_CHANGED], 0, sequence);
+
+  sn_startup_sequence_unref (sequence);
+}
+#endif
+
+static void
+meta_startup_notification_constructed (GObject *object)
+{
+  MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
+
+  g_assert (sn->display != NULL);
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+  sn->sn_display = sn_display_new (sn->display->xdisplay,
+                                   sn_error_trap_push,
+                                   sn_error_trap_pop);
+  sn->sn_context =
+    sn_monitor_context_new (sn->sn_display,
+                            sn->display->screen->number,
+                            meta_startup_notification_sn_event,
+                            sn,
+                            NULL);
+#endif
+  sn->startup_sequences = NULL;
+  sn->startup_sequence_timeout = 0;
+}
+
+static void
+meta_startup_notification_class_init (MetaStartupNotificationClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->constructed = meta_startup_notification_constructed;
+  object_class->finalize = meta_startup_notification_finalize;
+  object_class->set_property = meta_startup_notification_set_property;
+  object_class->get_property = meta_startup_notification_get_property;
+
+  sn_props[PROP_SN_DISPLAY] =
+    g_param_spec_object ("display",
+                         "Display",
+                         "Display",
+                         META_TYPE_DISPLAY,
+                         G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
+                         G_PARAM_STATIC_STRINGS);
+
+  sn_signals[SN_CHANGED] =
+    g_signal_new ("changed",
+                  META_TYPE_STARTUP_NOTIFICATION,
+                  G_SIGNAL_RUN_LAST,
+                  0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 1, G_TYPE_POINTER);
+
+  g_object_class_install_properties (object_class, N_SN_PROPS, sn_props);
+}
+
+MetaStartupNotification *
+meta_startup_notification_get (MetaDisplay *display)
+{
+  static MetaStartupNotification *notification = NULL;
+
+  if (!notification)
+    notification = g_object_new (META_TYPE_STARTUP_NOTIFICATION,
+                                 "display", display,
+                                 NULL);
+
+  return notification;
+}
+
+void
+meta_startup_notification_remove_sequence (MetaStartupNotification *sn,
+                                           const gchar             *id)
+{
+  MetaStartupNotificationSequence *seq;
+
+  seq = meta_startup_notification_lookup_sequence (sn, id);
+  if (seq)
+    meta_startup_notification_remove_sequence_internal (sn, seq);
+}
+
+gboolean
+meta_startup_notification_handle_xevent (MetaStartupNotification *sn,
+                                         XEvent                  *xevent)
+{
+#ifdef HAVE_STARTUP_NOTIFICATION
+  return sn_display_process_event (sn->sn_display, xevent);
+#endif
+  return FALSE;
+}
+
+GSList *
+meta_startup_notification_get_sequences (MetaStartupNotification *sn)
+{
+  GSList *sequences = NULL;
+#ifdef HAVE_STARTUP_NOTIFICATION
+  GSList *l;
+
+  /* We return a list of SnStartupSequences here */
+  for (l = sn->startup_sequences; l; l = l->next)
+    {
+      MetaStartupNotificationSequenceX11 *seq_x11;
+
+      if (!META_IS_STARTUP_NOTIFICATION_SEQUENCE_X11 (l->data))
+        continue;
+
+      seq_x11 = META_STARTUP_NOTIFICATION_SEQUENCE_X11 (l->data);
+      sequences = g_slist_prepend (sequences, seq_x11->seq);
+    }
+#endif
+
+  return sequences;
+}

src/core/testboxes.c

@@ -30,7 +30,7 @@
 #define NUM_RANDOM_RUNS 10000
 
 static void
-init_random_ness ()
+init_random_ness (void)
 {
   srand(time(NULL));
 }
@@ -99,7 +99,7 @@ new_monitor_edge (int x, int y, int width, int height, int side_type)
 }
 
 static void
-test_area ()
+test_area (void)
 {
   MetaRectangle temp;
   int i;
@@ -116,7 +116,7 @@ test_area ()
 }
 
 static void
-test_intersect ()
+test_intersect (void)
 {
   MetaRectangle a = {100, 200,  50,  40};
   MetaRectangle b = {  0,  50, 110, 152};
@@ -144,7 +144,7 @@ test_intersect ()
 }
 
 static void
-test_equal ()
+test_equal (void)
 {
   MetaRectangle a = {10, 12, 4, 18};
   MetaRectangle b = a;
@@ -163,7 +163,7 @@ test_equal ()
 }
 
 static void
-test_overlap_funcs ()
+test_overlap_funcs (void)
 {
   MetaRectangle temp1, temp2;
   int i;
@@ -186,7 +186,7 @@ test_overlap_funcs ()
 }
 
 static void
-test_basic_fitting ()
+test_basic_fitting (void)
 {
   MetaRectangle temp1, temp2, temp3;
   int i;
@@ -357,7 +357,7 @@ get_monitor_edges (int which_monitor_set, int which_strut_set)
 
 #if 0
 static void
-test_merge_regions ()
+test_merge_regions (void)
 {
   /* logarithmically distributed random number of struts (range?)
    * logarithmically distributed random size of struts (up to screen size???)
@@ -579,7 +579,7 @@ verify_lists_are_equal (GList *code, GList *answer)
 }
 
 static void
-test_regions_okay ()
+test_regions_okay (void)
 {
   GList* region;
   GList* tmp;
@@ -665,7 +665,7 @@ test_regions_okay ()
 }
 
 static void
-test_region_fitting ()
+test_region_fitting (void)
 {
   GList* region;
   MetaRectangle rect;
@@ -709,7 +709,7 @@ test_region_fitting ()
 }
 
 static void
-test_clamping_to_region ()
+test_clamping_to_region (void)
 {
   GList* region;
   MetaRectangle rect;
@@ -826,7 +826,7 @@ rect_overlaps_region (const GList         *spanning_rects,
 gboolean time_to_print = FALSE;
 
 static void
-test_clipping_to_region ()
+test_clipping_to_region (void)
 {
   GList* region;
   MetaRectangle rect, temp;
@@ -888,7 +888,7 @@ test_clipping_to_region ()
 }
 
 static void
-test_shoving_into_region ()
+test_shoving_into_region (void)
 {
   GList* region;
   MetaRectangle rect, temp;
@@ -1005,7 +1005,7 @@ verify_edge_lists_are_equal (GList *code, GList *answer)
 }
 
 static void
-test_find_onscreen_edges ()
+test_find_onscreen_edges (void)
 {
   GList* edges;
   GList* tmp;
@@ -1138,7 +1138,7 @@ test_find_onscreen_edges ()
 }
 
 static void
-test_find_nonintersected_monitor_edges ()
+test_find_nonintersected_monitor_edges (void)
 {
   GList* edges;
   GList* tmp;
@@ -1227,7 +1227,7 @@ test_find_nonintersected_monitor_edges ()
 }
 
 static void
-test_gravity_resize ()
+test_gravity_resize (void)
 {
   MetaRectangle oldrect, rect, temp;
 
@@ -1329,7 +1329,7 @@ test_gravity_resize ()
 
 #define EPSILON 0.000000001
 static void
-test_find_closest_point_to_line ()
+test_find_closest_point_to_line (void)
 {
   double x1, y1, x2, y2, px, py, rx, ry;
   double answer_x, answer_y;
@@ -1381,7 +1381,7 @@ test_find_closest_point_to_line ()
 }
 
 int
-main()
+main(void)
 {
   init_random_ness ();
   test_area ();

src/core/util.c

@@ -46,9 +46,12 @@
 static void
 meta_topic_real_valist (MetaDebugTopic topic,
                         const char    *format,
-                        va_list        args);
+                        va_list        args) G_GNUC_PRINTF(2, 0);
 #endif
 
+static gboolean
+meta_later_remove_from_list (guint later_id, GSList **laters_list);
+
 static gint verbose_topics = 0;
 static gboolean is_debugging = FALSE;
 static gboolean replace_current = FALSE;
@@ -739,7 +742,14 @@ typedef struct
   gboolean run_once;
 } MetaLater;
 
-static GSList *laters = NULL;
+static GSList *laters[] = {
+  NULL, /* META_LATER_RESIZE */
+  NULL, /* META_LATER_CALC_SHOWING */
+  NULL, /* META_LATER_CHECK_FULLSCREEN */
+  NULL, /* META_LATER_SYNC_STACK */
+  NULL, /* META_LATER_BEFORE_REDRAW */
+  NULL, /* META_LATER_IDLE */
+};
 /* This is a dummy timeline used to get the Clutter master clock running */
 static ClutterTimeline *later_timeline;
 static guint later_repaint_func = 0;
@@ -772,25 +782,14 @@ destroy_later (MetaLater *later)
   unref_later (later);
 }
 
-/* Used to sort the list of laters with the highest priority
- * functions first.
- */
-static int
-compare_laters (gconstpointer a,
-                gconstpointer b)
-{
-  return ((const MetaLater *)a)->when - ((const MetaLater *)b)->when;
-}
-
-static gboolean
-run_repaint_laters (gpointer data)
+static void
+run_repaint_laters (GSList **laters_list)
 {
   GSList *laters_copy;
   GSList *l;
-  gboolean keep_timeline_running = FALSE;
 
   laters_copy = NULL;
-  for (l = laters; l; l = l->next)
+  for (l = *laters_list; l; l = l->next)
     {
       MetaLater *later = l->data;
       if (later->source == 0 ||
@@ -806,22 +805,41 @@ run_repaint_laters (gpointer data)
     {
       MetaLater *later = l->data;
 
-      if (later->func && later->func (later->data))
+      if (!later->func || !later->func (later->data))
+        meta_later_remove_from_list (later->id, laters_list);
+      unref_later (later);
+    }
+
+  g_slist_free (laters_copy);
+}
+
+static gboolean
+run_all_repaint_laters (gpointer data)
+{
+  guint i;
+  GSList *l;
+  gboolean keep_timeline_running = FALSE;
+
+  for (i = 0; i < G_N_ELEMENTS (laters); i++)
+    {
+      run_repaint_laters (&laters[i]);
+    }
+
+  for (i = 0; i < G_N_ELEMENTS (laters); i++)
+    {
+      for (l = laters[i]; l; l = l->next)
         {
+          MetaLater *later = l->data;
+
           if (later->source == 0)
             keep_timeline_running = TRUE;
         }
-      else
-        meta_later_remove (later->id);
-      unref_later (later);
     }
 
   if (!keep_timeline_running)
     clutter_timeline_stop (later_timeline);
 
-  g_slist_free (laters_copy);
-
-  /* Just keep the repaint func around - it's cheap if the list is empty */
+  /* Just keep the repaint func around - it's cheap if the lists are empty */
   return TRUE;
 }
 
@@ -832,7 +850,7 @@ ensure_later_repaint_func (void)
     later_timeline = clutter_timeline_new (G_MAXUINT);
 
   if (later_repaint_func == 0)
-    later_repaint_func = clutter_threads_add_repaint_func (run_repaint_laters,
+    later_repaint_func = clutter_threads_add_repaint_func (run_all_repaint_laters,
                                                            NULL, NULL);
 
   /* Make sure the repaint function gets run */
@@ -888,7 +906,7 @@ meta_later_add (MetaLaterType  when,
   later->data = data;
   later->notify = notify;
 
-  laters = g_slist_insert_sorted (laters, later, compare_laters);
+  laters[when] = g_slist_prepend (laters[when], later);
 
   switch (when)
     {
@@ -920,6 +938,29 @@ meta_later_add (MetaLaterType  when,
   return later->id;
 }
 
+static gboolean
+meta_later_remove_from_list (guint later_id, GSList **laters_list)
+{
+  GSList *l;
+
+  for (l = *laters_list; l; l = l->next)
+    {
+      MetaLater *later = l->data;
+
+      if (later->id == later_id)
+        {
+          *laters_list = g_slist_delete_link (*laters_list, l);
+          /* If this was a "repaint func" later, we just let the
+           * repaint func run and get removed
+           */
+          destroy_later (later);
+          return TRUE;
+        }
+    }
+
+  return FALSE;
+}
+
 /**
  * meta_later_remove:
  * @later_id: the integer ID returned from meta_later_add()
@@ -929,20 +970,12 @@ meta_later_add (MetaLaterType  when,
 void
 meta_later_remove (guint later_id)
 {
-  GSList *l;
+  guint i;
 
-  for (l = laters; l; l = l->next)
+  for (i = 0; i < G_N_ELEMENTS (laters); i++)
     {
-      MetaLater *later = l->data;
-      if (later->id == later_id)
-        {
-          laters = g_slist_delete_link (laters, l);
-          /* If this was a "repaint func" later, we just let the
-           * repaint func run and get removed
-           */
-          destroy_later (later);
-          return;
-        }
+      if (meta_later_remove_from_list (later_id, &laters[i]))
+        return;
     }
 }
 

src/core/window.c

@@ -763,10 +763,22 @@ meta_window_update_desc (MetaWindow *window)
 {
   g_clear_pointer (&window->desc, g_free);
 
-  if (window->title)
-    window->desc = g_strdup_printf ("0x%lx (%.10s)", window->xwindow, window->title);
+  if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
+    {
+      if (window->title)
+        window->desc = g_strdup_printf ("0x%lx (%.10s)", window->xwindow, window->title);
+      else
+        window->desc = g_strdup_printf ("0x%lx", window->xwindow);
+    }
   else
-    window->desc = g_strdup_printf ("0x%lx", window->xwindow);
+    {
+      guint64 small_stamp = window->stamp - G_GUINT64_CONSTANT(0x100000000);
+
+      if (window->title)
+        window->desc = g_strdup_printf ("W%" G_GUINT64_FORMAT " (%.10s)", small_stamp, window->title);
+      else
+        window->desc = g_strdup_printf ("W%" G_GUINT64_FORMAT , small_stamp);
+    }
 }
 
 static void
@@ -1567,8 +1579,10 @@ implement_showing (MetaWindow *window,
        * windows we might want to know where they are on the screen,
        * so we should place the window even if we're hiding it rather
        * than showing it.
+       * Force placing windows only when they should be already mapped,
+       * see #751887
        */
-      if (!window->placed)
+      if (!window->placed && client_window_should_be_mapped (window))
         meta_window_force_placement (window);
 
       meta_window_hide (window);
@@ -3183,12 +3197,23 @@ meta_window_make_fullscreen (MetaWindow  *window)
 
   if (!window->fullscreen)
     {
-      meta_window_make_fullscreen_internal (window);
+      MetaRectangle old_frame_rect, old_buffer_rect;
 
+      meta_window_get_frame_rect (window, &old_frame_rect);
+      meta_window_get_buffer_rect (window, &old_buffer_rect);
+
+      meta_window_make_fullscreen_internal (window);
       meta_window_move_resize_internal (window,
-                                        META_MOVE_RESIZE_MOVE_ACTION | META_MOVE_RESIZE_RESIZE_ACTION | META_MOVE_RESIZE_STATE_CHANGED,
+                                        (META_MOVE_RESIZE_MOVE_ACTION |
+                                         META_MOVE_RESIZE_RESIZE_ACTION |
+                                         META_MOVE_RESIZE_STATE_CHANGED |
+                                         META_MOVE_RESIZE_DONT_SYNC_COMPOSITOR),
                                         NorthWestGravity,
                                         window->unconstrained_rect);
+
+      meta_compositor_size_change_window (window->display->compositor,
+                                          window, META_SIZE_CHANGE_FULLSCREEN,
+                                          &old_frame_rect, &old_buffer_rect);
     }
 }
 
@@ -3199,7 +3224,7 @@ meta_window_unmake_fullscreen (MetaWindow  *window)
 
   if (window->fullscreen)
     {
-      MetaRectangle target_rect;
+      MetaRectangle old_frame_rect, old_buffer_rect, target_rect;
 
       meta_topic (META_DEBUG_WINDOW_OPS,
                   "Unfullscreening %s\n", window->desc);
@@ -3208,6 +3233,8 @@ meta_window_unmake_fullscreen (MetaWindow  *window)
       target_rect = window->saved_rect;
 
       meta_window_frame_size_changed (window);
+      meta_window_get_frame_rect (window, &old_frame_rect);
+      meta_window_get_buffer_rect (window, &old_buffer_rect);
 
       /* Window's size hints may have changed while maximized, making
        * saved_rect invalid.  #329152
@@ -3222,10 +3249,17 @@ meta_window_unmake_fullscreen (MetaWindow  *window)
       set_net_wm_state (window);
 
       meta_window_move_resize_internal (window,
-                                        META_MOVE_RESIZE_MOVE_ACTION | META_MOVE_RESIZE_RESIZE_ACTION | META_MOVE_RESIZE_STATE_CHANGED,
+                                        (META_MOVE_RESIZE_MOVE_ACTION |
+                                         META_MOVE_RESIZE_RESIZE_ACTION |
+                                         META_MOVE_RESIZE_STATE_CHANGED |
+                                         META_MOVE_RESIZE_DONT_SYNC_COMPOSITOR),
                                         NorthWestGravity,
                                         target_rect);
 
+      meta_compositor_size_change_window (window->display->compositor,
+                                          window, META_SIZE_CHANGE_UNFULLSCREEN,
+                                          &old_frame_rect, &old_buffer_rect);
+
       meta_window_update_layer (window);
 
       g_object_notify_by_pspec (G_OBJECT (window), obj_props[PROP_FULLSCREEN]);
@@ -3502,10 +3536,7 @@ meta_window_update_for_monitors_changed (MetaWindow *window)
 {
   const MetaMonitorInfo *old, *new;
 
-  if (window->type == META_WINDOW_DESKTOP)
-    return;
-
-  if (window->override_redirect)
+  if (window->override_redirect || window->type == META_WINDOW_DESKTOP)
     {
       meta_window_update_monitor (window, FALSE);
       return;
@@ -4312,8 +4343,8 @@ set_workspace_state (MetaWindow    *window,
       GList *l;
       for (l = window->screen->workspaces; l != NULL; l = l->next)
         {
-          MetaWorkspace *workspace = l->data;
-          meta_workspace_remove_window (workspace, window);
+          MetaWorkspace *ws = l->data;
+          meta_workspace_remove_window (ws, window);
         }
     }
 
@@ -4327,8 +4358,8 @@ set_workspace_state (MetaWindow    *window,
       GList *l;
       for (l = window->screen->workspaces; l != NULL; l = l->next)
         {
-          MetaWorkspace *workspace = l->data;
-          meta_workspace_add_window (workspace, window);
+          MetaWorkspace *ws = l->data;
+          meta_workspace_add_window (ws, window);
         }
     }
 
@@ -5271,6 +5302,11 @@ meta_window_recalc_features (MetaWindow *window)
 
   meta_window_recalc_skip_features (window);
 
+  /* To prevent users from losing windows, let's prevent users from
+   * minimizing skip-taskbar windows through the window decorations. */
+  if (window->skip_taskbar)
+    window->has_minimize_func = FALSE;
+
   meta_topic (META_DEBUG_WINDOW_OPS,
               "Window %s decorated = %d border_only = %d has_close = %d has_minimize = %d has_maximize = %d has_move = %d has_shade = %d skip_taskbar = %d skip_pager = %d\n",
               window->desc,
@@ -6272,7 +6308,7 @@ find_ancestor_func (MetaWindow *window,
  * so by traversing the @transient's ancestors until it either locates @window
  * or reaches an ancestor that is not transient.
  *
- * Return Value: (transfer none): %TRUE if window is an ancestor of transient.
+ * Return Value: %TRUE if window is an ancestor of transient.
  */
 gboolean
 meta_window_is_ancestor_of_transient (MetaWindow *window,
@@ -7010,7 +7046,7 @@ meta_window_get_transient_for (MetaWindow *window)
  * Returns pid of the process that created this window, if known (obtained from
  * the _NET_WM_PID property).
  *
- * Return value: (transfer none): the pid, or -1 if not known.
+ * Return value: the pid, or -1 if not known.
  */
 int
 meta_window_get_pid (MetaWindow *window)
@@ -7352,10 +7388,31 @@ meta_window_set_gtk_dbus_properties (MetaWindow *window,
   g_object_thaw_notify (G_OBJECT (window));
 }
 
+static gboolean
+check_transient_for_loop (MetaWindow *window,
+                          MetaWindow *parent)
+{
+  while (parent)
+    {
+      if (parent->transient_for == window)
+          return TRUE;
+      parent = parent->transient_for;
+    }
+
+  return FALSE;
+}
+
 void
 meta_window_set_transient_for (MetaWindow *window,
                                MetaWindow *parent)
 {
+  if (check_transient_for_loop (window, parent))
+    {
+      meta_warning ("Setting %s transient for %s would create a loop.\n",
+                    window->desc, parent->desc);
+      return;
+    }
+
   if (meta_window_appears_focused (window) && window->transient_for != NULL)
     meta_window_propagate_focus_appearance (window, FALSE);
 
@@ -7381,14 +7438,14 @@ meta_window_set_transient_for (MetaWindow *window,
         }
     }
 
-  /* update stacking constraints */
-  if (!window->override_redirect)
-    meta_stack_update_transient (window->screen->stack, window);
-
   /* We know this won't create a reference cycle because we check for loops */
   g_clear_object (&window->transient_for);
   window->transient_for = parent ? g_object_ref (parent) : NULL;
 
+  /* update stacking constraints */
+  if (!window->override_redirect)
+    meta_stack_update_transient (window->screen->stack, window);
+
   /* possibly change its group. We treat being a window's transient as
    * equivalent to making it your group leader, to work around shortcomings
    * in programs such as xmms-- see #328211.
@@ -7399,7 +7456,7 @@ meta_window_set_transient_for (MetaWindow *window,
     meta_window_group_leader_changed (window);
 
   if (!window->constructing && !window->override_redirect)
-    meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
+    meta_window_queue (window, META_QUEUE_MOVE_RESIZE | META_QUEUE_CALC_SHOWING);
 
   if (meta_window_appears_focused (window) && window->transient_for != NULL)
     meta_window_propagate_focus_appearance (window, TRUE);
@@ -7638,13 +7695,29 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
   MetaDisplay *display = window->display;
   gboolean unmodified;
   gboolean is_window_grab;
+  ClutterModifierType grab_mods, event_mods;
+  gfloat x, y;
+  guint button;
 
   if (window->frame && meta_ui_frame_handle_event (window->frame->ui_frame, event))
     return;
 
-  if (event->type != CLUTTER_BUTTON_PRESS)
+  if (event->type != CLUTTER_BUTTON_PRESS &&
+      event->type != CLUTTER_TOUCH_BEGIN)
     return;
 
+  if (event->type == CLUTTER_TOUCH_BEGIN)
+    {
+      ClutterEventSequence *sequence;
+
+      button = 1;
+      sequence = clutter_event_get_event_sequence (event);
+      if (!meta_display_is_pointer_emulating_sequence (window->display, sequence))
+        return;
+    }
+  else
+    button = clutter_event_get_button (event);
+
   if (display->grab_op != META_GRAB_OP_NONE)
     return;
 
@@ -7655,6 +7728,22 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
   if (window->override_redirect)
     return;
 
+  /* Don't focus panels--they must explicitly request focus.
+   * See bug 160470
+   */
+  if (window->type != META_WINDOW_DOCK)
+    {
+      meta_topic (META_DEBUG_FOCUS,
+                  "Focusing %s due to button %u press (display.c)\n",
+                  window->desc, button);
+      meta_window_focus (window, event->any.time);
+    }
+  else
+    /* However, do allow terminals to lose focus due to new
+     * window mappings after the user clicks on a panel.
+     */
+    display->allow_terminal_deactivation = TRUE;
+
   /* We have three passive button grabs:
    * - on any button, without modifiers => focuses and maybe raises the window
    * - on resize button, with modifiers => start an interactive resizing
@@ -7675,9 +7764,12 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
    * care about. Just let the event through.
    */
 
-  ClutterModifierType grab_mods = meta_display_get_window_grab_modifiers (display);
-  unmodified = (event->button.modifier_state & grab_mods) == 0;
-  is_window_grab = (event->button.modifier_state & grab_mods) == grab_mods;
+  grab_mods = meta_display_get_window_grab_modifiers (display);
+  event_mods = clutter_event_get_state (event);
+  unmodified = (event_mods & grab_mods) == 0;
+  is_window_grab = (event_mods & grab_mods) == grab_mods;
+
+  clutter_event_get_coords (event, &x, &y);
 
   if (unmodified)
     {
@@ -7686,27 +7778,8 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
       else
         meta_topic (META_DEBUG_FOCUS,
                     "Not raising window on click due to don't-raise-on-click option\n");
-
-      /* Don't focus panels--they must explicitly request focus.
-       * See bug 160470
-       */
-      if (window->type != META_WINDOW_DOCK)
-        {
-          meta_topic (META_DEBUG_FOCUS,
-                      "Focusing %s due to unmodified button %u press (display.c)\n",
-                      window->desc, event->button.button);
-          meta_window_focus (window, event->any.time);
-        }
-      else
-        /* However, do allow terminals to lose focus due to new
-         * window mappings after the user clicks on a panel.
-         */
-        display->allow_terminal_deactivation = TRUE;
-
-      meta_verbose ("Allowing events time %u\n",
-                    (unsigned int)event->button.time);
     }
-  else if (is_window_grab && (int) event->button.button == meta_prefs_get_mouse_button_resize ())
+  else if (is_window_grab && (int) button == meta_prefs_get_mouse_button_resize ())
     {
       if (window->has_resize_func)
         {
@@ -7717,10 +7790,10 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
 
           meta_window_get_frame_rect (window, &frame_rect);
 
-          west = event->button.x < (frame_rect.x + 1 * frame_rect.width / 3);
-          east = event->button.x > (frame_rect.x + 2 * frame_rect.width / 3);
-          north = event->button.y < (frame_rect.y + 1 * frame_rect.height / 3);
-          south = event->button.y > (frame_rect.y + 2 * frame_rect.height / 3);
+          west = x < (frame_rect.x + 1 * frame_rect.width / 3);
+          east = x > (frame_rect.x + 2 * frame_rect.width / 3);
+          north = y < (frame_rect.y + 1 * frame_rect.height / 3);
+          south = y > (frame_rect.y + 2 * frame_rect.height / 3);
 
           if (west)
             op |= META_GRAB_OP_WINDOW_DIR_WEST;
@@ -7738,23 +7811,21 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
                                         op,
                                         TRUE,
                                         FALSE,
-                                        event->button.button,
+                                        button,
                                         0,
                                         event->any.time,
-                                        event->button.x,
-                                        event->button.y);
+                                        x, y);
         }
     }
-  else if (is_window_grab && (int) event->button.button == meta_prefs_get_mouse_button_menu ())
+  else if (is_window_grab && (int) button == meta_prefs_get_mouse_button_menu ())
     {
       if (meta_prefs_get_raise_on_click ())
         meta_window_raise (window);
       meta_window_show_menu (window,
                              META_WINDOW_MENU_WM,
-                             event->button.x,
-                             event->button.y);
+                             x, y);
     }
-  else if (is_window_grab && (int) event->button.button == 1)
+  else if (is_window_grab && (int) button == 1)
     {
       if (window->has_move_func)
         {
@@ -7764,11 +7835,10 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
                                       META_GRAB_OP_MOVING,
                                       TRUE,
                                       FALSE,
-                                      event->button.button,
+                                      button,
                                       0,
                                       event->any.time,
-                                      event->button.x,
-                                      event->button.y);
+                                      x, y);
         }
     }
 }

src/core/workspace.c

@@ -1055,7 +1055,7 @@ meta_workspace_get_onmonitor_region (MetaWorkspace *workspace,
 }
 
 #ifdef WITH_VERBOSE_MODE
-static char *
+static const char *
 meta_motion_direction_to_string (MetaMotionDirection direction)
 {
   switch (direction)

src/meta/common.h

@@ -372,12 +372,6 @@ typedef enum
  * @META_BUTTON_FUNCTION_MINIMIZE: Minimize
  * @META_BUTTON_FUNCTION_MAXIMIZE: Maximize
  * @META_BUTTON_FUNCTION_CLOSE: Close
- * @META_BUTTON_FUNCTION_SHADE: Shade
- * @META_BUTTON_FUNCTION_ABOVE: Above
- * @META_BUTTON_FUNCTION_STICK: Stick
- * @META_BUTTON_FUNCTION_UNSHADE: Unshade
- * @META_BUTTON_FUNCTION_UNABOVE: Unabove
- * @META_BUTTON_FUNCTION_UNSTICK: Unstick
  * @META_BUTTON_FUNCTION_LAST: Marks the end of the #MetaButtonFunction enumeration
  *
  * Function a window button can have.  Note, you can't add stuff here
@@ -390,12 +384,6 @@ typedef enum
   META_BUTTON_FUNCTION_MINIMIZE,
   META_BUTTON_FUNCTION_MAXIMIZE,
   META_BUTTON_FUNCTION_CLOSE,
-  META_BUTTON_FUNCTION_SHADE,
-  META_BUTTON_FUNCTION_ABOVE,
-  META_BUTTON_FUNCTION_STICK,
-  META_BUTTON_FUNCTION_UNSHADE,
-  META_BUTTON_FUNCTION_UNABOVE,
-  META_BUTTON_FUNCTION_UNSTICK,
   META_BUTTON_FUNCTION_APPMENU,
   META_BUTTON_FUNCTION_LAST
 } MetaButtonFunction;
@@ -405,10 +393,10 @@ typedef enum
 /* Keep array size in sync with MAX_BUTTONS_PER_CORNER */
 /**
  * MetaButtonLayout:
- * @left_buttons: (array fixed-size=11):
- * @right_buttons: (array fixed-size=11):
- * @left_buttons_has_spacer: (array fixed-size=11):
- * @right_buttons_has_spacer: (array fixed-size=11):
+ * @left_buttons: (array fixed-size=5):
+ * @right_buttons: (array fixed-size=5):
+ * @left_buttons_has_spacer: (array fixed-size=5):
+ * @right_buttons_has_spacer: (array fixed-size=5):
  */
 typedef struct _MetaButtonLayout MetaButtonLayout;
 struct _MetaButtonLayout

src/meta/compositor.h

@@ -57,6 +57,8 @@ typedef enum
 typedef enum {
   META_SIZE_CHANGE_MAXIMIZE,
   META_SIZE_CHANGE_UNMAXIMIZE,
+  META_SIZE_CHANGE_FULLSCREEN,
+  META_SIZE_CHANGE_UNFULLSCREEN,
 } MetaSizeChange;
 
 MetaCompositor *meta_compositor_new     (MetaDisplay    *display);

src/meta/main.h

@@ -49,7 +49,7 @@ typedef enum
 } MetaExitCode;
 
 /* exit immediately */
-void meta_exit (MetaExitCode code);
+void meta_exit (MetaExitCode code) G_GNUC_NORETURN;
 
 /* g_main_loop_quit() then fall out of main() */
 void meta_quit (MetaExitCode code);

src/org.freedesktop.login1.xml

@@ -9,6 +9,8 @@
     <method name="TakeControl">
       <arg name="force" type="b"/>
     </method>
+    <method name="ReleaseControl">
+    </method>
     <method name="TakeDevice">
       <annotation name="org.gtk.GDBus.C.UnixFD" value="true"/>
       <arg name="major" type="u" direction="in"/>

src/tests/stacking/set-parent.metatest

@@ -0,0 +1,14 @@
+new_client 1 wayland
+create 1/1
+show 1/1
+create 1/2
+show 1/2
+wait
+assert_stacking 1/1 1/2
+
+set_parent 1/1 2
+wait
+assert_stacking 1/2 1/1
+
+local_activate 1/2
+assert_stacking 1/2 1/1

src/tests/test-client.c

@@ -25,7 +25,7 @@
 #include <string.h>
 #include <X11/extensions/sync.h>
 
-char *client_id = "0";
+const char *client_id = "0";
 static gboolean wayland;
 GHashTable *windows;
 
@@ -41,6 +41,16 @@ lookup_window (const char *window_id)
   return window;
 }
 
+static void
+on_after_paint  (GdkFrameClock *clock,
+                 GMainLoop     *loop)
+{
+  g_signal_handlers_disconnect_by_func (clock,
+                                        (gpointer) on_after_paint,
+                                        loop);
+  g_main_loop_quit (loop);
+}
+
 static void
 process_line (const char *line)
 {
@@ -126,6 +136,31 @@ process_line (const char *line)
         }
 
     }
+  else if (strcmp (argv[0], "set_parent") == 0)
+    {
+      if (argc != 3)
+        {
+          g_print ("usage: menu <window-id> <parent-id>");
+          goto out;
+        }
+
+      GtkWidget *window = lookup_window (argv[1]);
+      if (!window)
+        {
+          g_print ("unknown window %s", argv[1]);
+          goto out;
+        }
+
+      GtkWidget *parent_window = lookup_window (argv[2]);
+      if (!parent_window)
+        {
+          g_print ("unknown parent window %s", argv[2]);
+          goto out;
+        }
+
+      gtk_window_set_transient_for (GTK_WINDOW (window),
+                                    GTK_WINDOW (parent_window));
+    }
   else if (strcmp (argv[0], "show") == 0)
     {
       if (argc != 2)
@@ -135,10 +170,25 @@ process_line (const char *line)
         }
 
       GtkWidget *window = lookup_window (argv[1]);
+      GdkWindow *gdk_window = gtk_widget_get_window (window);
       if (!window)
         goto out;
 
       gtk_widget_show (window);
+
+      /* When a Wayland client, we cannot be really sure that the window has
+       * been mappable until after we have painted. So, in order to have the
+       * test runner rely on the "show" command to have done what the client
+       * needs to do in order for a window to be mappable compositor side, lets
+       * wait with returning until after the first frame.
+       */
+      GdkFrameClock *frame_clock = gdk_window_get_frame_clock (gdk_window);
+      GMainLoop *loop = g_main_loop_new (NULL, FALSE);
+      g_signal_connect (frame_clock, "after-paint",
+                        G_CALLBACK (on_after_paint),
+                        loop);
+      g_main_loop_run (loop);
+      g_main_loop_unref (loop);
     }
   else if (strcmp (argv[0], "hide") == 0)
     {

src/tests/test-runner.c

@@ -767,6 +767,23 @@ test_case_do (TestCase *test,
                            NULL))
         return FALSE;
     }
+  else if (strcmp (argv[0], "set_parent") == 0)
+    {
+      if (argc != 3)
+        BAD_COMMAND("usage: %s <client-id>/<window-id> <parent-window-id>",
+                    argv[0]);
+
+      TestClient *client;
+      const char *window_id;
+      if (!test_case_parse_window_id (test, argv[1], &client, &window_id, error))
+        return FALSE;
+
+      if (!test_client_do (client, error,
+                           "set_parent", window_id,
+                           argv[2],
+                           NULL))
+        return FALSE;
+    }
   else if (strcmp (argv[0], "show") == 0 ||
            strcmp (argv[0], "hide") == 0 ||
            strcmp (argv[0], "activate") == 0 ||
@@ -1094,7 +1111,6 @@ main (int argc, char **argv)
   if (all_tests)
     {
       GFile *test_dir = g_file_new_for_path (MUTTER_PKGDATADIR "/tests");
-      GError *error = NULL;
 
       if (!find_metatests_in_directory (test_dir, tests, &error))
         {
@@ -1120,7 +1136,7 @@ main (int argc, char **argv)
 
   /* Then initalize mutter with a different set of arguments */
 
-  char *fake_args[] = { NULL, "--wayland" };
+  char *fake_args[] = { NULL, (char *)"--wayland" };
   fake_args[0] = argv[0];
   char **fake_argv = fake_args;
   int fake_argc = 2;

src/tests/unit-tests.c

@@ -0,0 +1,238 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib.h>
+#include <stdlib.h>
+
+#include <meta/main.h>
+#include <meta/util.h>
+
+#include "compositor/meta-plugin-manager.h"
+
+typedef struct _MetaTestLaterOrderCallbackData
+{
+  GMainLoop *loop; /* Loop to terminate when done. */
+  int callback_num; /* Callback number integer. */
+  int *expected_callback_num; /* Pointer to the expected callback number. */
+} MetaTestLaterOrderCallbackData;
+
+static gboolean
+test_later_order_callback (gpointer user_data)
+{
+  MetaTestLaterOrderCallbackData *data = user_data;
+
+  g_assert_cmpint (data->callback_num, ==, *data->expected_callback_num);
+
+  if (*data->expected_callback_num == 0)
+    g_main_loop_quit (data->loop);
+  else
+    (*data->expected_callback_num)--;
+
+  return FALSE;
+}
+
+static void
+meta_test_util_later_order (void)
+{
+  GMainLoop *loop;
+  int expected_callback_num;
+  int i;
+  const int num_callbacks = 3;
+  MetaTestLaterOrderCallbackData callback_data[num_callbacks];
+
+  loop = g_main_loop_new (NULL, FALSE);
+
+  /* Schedule three BEFORE_DRAW callbacks each with its own number associated
+   * with it.
+   */
+  for (i = 0; i < num_callbacks; i++)
+    {
+      callback_data[i] = (MetaTestLaterOrderCallbackData) {
+        .loop = loop,
+        .callback_num = i,
+        .expected_callback_num = &expected_callback_num,
+      };
+      meta_later_add (META_LATER_BEFORE_REDRAW,
+                      test_later_order_callback,
+                      &callback_data[i],
+                      NULL);
+    }
+
+  /* Check that the callbacks are invoked in the opposite order that they were
+   * scheduled. Each callback will decrease the number by 1 after it checks the
+   * validity.
+   */
+  expected_callback_num = num_callbacks - 1;
+  g_main_loop_run (loop);
+  g_assert_cmpint (expected_callback_num, ==, 0);
+  g_main_loop_unref (loop);
+}
+
+typedef enum _MetaTestLaterScheduleFromLaterState
+{
+  META_TEST_LATER_EXPECT_CALC_SHOWING,
+  META_TEST_LATER_EXPECT_SYNC_STACK,
+  META_TEST_LATER_EXPECT_BEFORE_REDRAW,
+  META_TEST_LATER_FINISHED,
+} MetaTestLaterScheduleFromLaterState;
+
+typedef struct _MetaTestLaterScheduleFromLaterData
+{
+  GMainLoop *loop;
+  MetaTestLaterScheduleFromLaterState state;
+} MetaTestLaterScheduleFromLaterData;
+
+static gboolean
+test_later_schedule_from_later_sync_stack_callback (gpointer user_data);
+
+static gboolean
+test_later_schedule_from_later_calc_showing_callback (gpointer user_data)
+{
+  MetaTestLaterScheduleFromLaterData *data = user_data;
+
+  g_assert_cmpint (data->state, ==, META_TEST_LATER_EXPECT_CALC_SHOWING);
+
+  meta_later_add (META_LATER_SYNC_STACK,
+                  test_later_schedule_from_later_sync_stack_callback,
+                  data,
+                  NULL);
+
+  data->state = META_TEST_LATER_EXPECT_SYNC_STACK;
+
+  return FALSE;
+}
+
+static gboolean
+test_later_schedule_from_later_sync_stack_callback (gpointer user_data)
+{
+  MetaTestLaterScheduleFromLaterData *data = user_data;
+
+  g_assert_cmpint (data->state, ==, META_TEST_LATER_EXPECT_SYNC_STACK);
+
+  data->state = META_TEST_LATER_EXPECT_BEFORE_REDRAW;
+
+  return FALSE;
+}
+
+static gboolean
+test_later_schedule_from_later_before_redraw_callback (gpointer user_data)
+{
+  MetaTestLaterScheduleFromLaterData *data = user_data;
+
+  g_assert_cmpint (data->state, ==, META_TEST_LATER_EXPECT_BEFORE_REDRAW);
+  data->state = META_TEST_LATER_FINISHED;
+  g_main_loop_quit (data->loop);
+
+  return FALSE;
+}
+
+static void
+meta_test_util_later_schedule_from_later (void)
+{
+  MetaTestLaterScheduleFromLaterData data;
+
+  data.loop = g_main_loop_new (NULL, FALSE);
+
+  /* Test that scheduling a MetaLater with 'when' being later than the one being
+   * invoked causes it to be invoked before any callback with a later 'when'
+   * value being invoked.
+   *
+   * The first and last callback is queued here. The one to be invoked in
+   * between is invoked in test_later_schedule_from_later_calc_showing_callback.
+   */
+  meta_later_add (META_LATER_CALC_SHOWING,
+                  test_later_schedule_from_later_calc_showing_callback,
+                  &data,
+                  NULL);
+  meta_later_add (META_LATER_BEFORE_REDRAW,
+                  test_later_schedule_from_later_before_redraw_callback,
+                  &data,
+                  NULL);
+
+  data.state = META_TEST_LATER_EXPECT_CALC_SHOWING;
+
+  g_main_loop_run (data.loop);
+  g_main_loop_unref (data.loop);
+
+  g_assert_cmpint (data.state, ==, META_TEST_LATER_FINISHED);
+}
+
+static gboolean
+run_tests (gpointer data)
+{
+  gboolean ret;
+
+  ret = g_test_run ();
+
+  meta_quit (ret != 0);
+
+  return FALSE;
+}
+
+static void
+init_tests (int argc, char **argv)
+{
+  g_test_init (&argc, &argv, NULL);
+  g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=");
+
+  g_test_add_func ("/util/meta-later/order", meta_test_util_later_order);
+  g_test_add_func ("/util/meta-later/schedule-from-later",
+                   meta_test_util_later_schedule_from_later);
+}
+
+int
+main (int argc, char *argv[])
+{
+  GOptionContext *ctx;
+  GError *error = NULL;
+
+  ctx = g_option_context_new (NULL);
+
+  if (!g_option_context_parse (ctx,
+                               &argc, &argv, &error))
+    {
+      g_printerr ("%s", error->message);
+      return 1;
+    }
+
+  g_option_context_free (ctx);
+
+  char *fake_args[] = { NULL, "--wayland" };
+  fake_args[0] = argv[0];
+  char **fake_argv = fake_args;
+  int fake_argc = 2;
+
+  ctx = meta_get_option_context ();
+  if (!g_option_context_parse (ctx, &fake_argc, &fake_argv, &error))
+    {
+      g_printerr ("mutter: %s\n", error->message);
+      exit (1);
+    }
+  g_option_context_free (ctx);
+
+  meta_plugin_manager_load ("default");
+
+  meta_init ();
+  meta_register_with_session ();
+
+  init_tests (argc, argv);
+  g_idle_add (run_tests, NULL);
+
+  return meta_run ();
+}

src/ui/frames.c

@@ -447,7 +447,7 @@ meta_frames_new (int screen_number)
 }
 
 static const char *
-get_theme_variant_override (MetaFrames *frames)
+get_global_theme_variant (MetaFrames *frames)
 {
   GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (frames));
   GtkSettings *settings = gtk_settings_get_for_screen (screen);
@@ -474,19 +474,15 @@ meta_ui_frame_attach_style (MetaUIFrame *frame)
 {
   MetaFrames *frames = frame->frames;
   const char *variant;
-  const char *variant_override;
 
   if (frame->style_info != NULL)
     meta_style_info_unref (frame->style_info);
 
-  variant_override = get_theme_variant_override (frame->frames);
+  variant = frame->meta_window->gtk_theme_variant;
+  if (variant == NULL)
+    variant = get_global_theme_variant (frame->frames);;
 
-  if (variant_override)
-    variant = variant_override;
-  else
-    variant = frame->meta_window->gtk_theme_variant;
-
-  if (variant == NULL || strcmp(variant, "normal") == 0)
+  if (variant == NULL || *variant == '\0')
     frame->style_info = meta_style_info_ref (frames->normal_style);
   else
     frame->style_info = meta_style_info_ref (meta_frames_get_theme_variant (frames,
@@ -970,12 +966,6 @@ meta_frame_left_click_event (MetaUIFrame *frame,
     case META_FRAME_CONTROL_UNMAXIMIZE:
     case META_FRAME_CONTROL_MINIMIZE:
     case META_FRAME_CONTROL_DELETE:
-    case META_FRAME_CONTROL_SHADE:
-    case META_FRAME_CONTROL_UNSHADE:
-    case META_FRAME_CONTROL_ABOVE:
-    case META_FRAME_CONTROL_UNABOVE:
-    case META_FRAME_CONTROL_STICK:
-    case META_FRAME_CONTROL_UNSTICK:
     case META_FRAME_CONTROL_MENU:
     case META_FRAME_CONTROL_APPMENU:
       frame->grab_button = event->button;
@@ -1074,7 +1064,10 @@ handle_button_press_event (MetaUIFrame *frame,
 
   control = get_control (frame, event->x, event->y);
 
-  /* focus on click, even if click was on client area */
+  /* don't do the rest of this if on client area */
+  if (control == META_FRAME_CONTROL_CLIENT_AREA)
+    return FALSE; /* not on the frame, just passed through from client */
+
   if (event->button == 1 &&
       !(control == META_FRAME_CONTROL_MINIMIZE ||
         control == META_FRAME_CONTROL_DELETE ||
@@ -1086,10 +1079,6 @@ handle_button_press_event (MetaUIFrame *frame,
       meta_window_focus (frame->meta_window, event->time);
     }
 
-  /* don't do the rest of this if on client area */
-  if (control == META_FRAME_CONTROL_CLIENT_AREA)
-    return FALSE; /* not on the frame, just passed through from client */
-
   /* We want to shade even if we have a GrabOp, since we'll have a move grab
    * if we double click the titlebar.
    */
@@ -1154,24 +1143,6 @@ handle_button_release_event (MetaUIFrame *frame,
         case META_FRAME_CONTROL_DELETE:
           meta_window_delete (frame->meta_window, event->time);
           break;
-        case META_FRAME_CONTROL_SHADE:
-          meta_window_shade (frame->meta_window, event->time);
-          break;
-        case META_FRAME_CONTROL_UNSHADE:
-          meta_window_unshade (frame->meta_window, event->time);
-          break;
-        case META_FRAME_CONTROL_ABOVE:
-          meta_window_make_above (frame->meta_window);
-          break;
-        case META_FRAME_CONTROL_UNABOVE:
-          meta_window_unmake_above (frame->meta_window);
-          break;
-        case META_FRAME_CONTROL_STICK:
-          meta_window_stick (frame->meta_window);
-          break;
-        case META_FRAME_CONTROL_UNSTICK:
-          meta_window_unstick (frame->meta_window);
-          break;
         default:
           break;
         }
@@ -1220,18 +1191,6 @@ meta_ui_frame_update_prelit_control (MetaUIFrame     *frame,
       break;
     case META_FRAME_CONTROL_UNMAXIMIZE:
       break;
-    case META_FRAME_CONTROL_SHADE:
-      break;
-    case META_FRAME_CONTROL_UNSHADE:
-      break;
-    case META_FRAME_CONTROL_ABOVE:
-      break;
-    case META_FRAME_CONTROL_UNABOVE:
-      break;
-    case META_FRAME_CONTROL_STICK:
-      break;
-    case META_FRAME_CONTROL_UNSTICK:
-      break;
     case META_FRAME_CONTROL_RESIZE_SE:
       cursor = META_CURSOR_SE_RESIZE;
       break;
@@ -1270,12 +1229,6 @@ meta_ui_frame_update_prelit_control (MetaUIFrame     *frame,
     case META_FRAME_CONTROL_MINIMIZE:
     case META_FRAME_CONTROL_MAXIMIZE:
     case META_FRAME_CONTROL_DELETE:
-    case META_FRAME_CONTROL_SHADE:
-    case META_FRAME_CONTROL_UNSHADE:
-    case META_FRAME_CONTROL_ABOVE:
-    case META_FRAME_CONTROL_UNABOVE:
-    case META_FRAME_CONTROL_STICK:
-    case META_FRAME_CONTROL_UNSTICK:
     case META_FRAME_CONTROL_UNMAXIMIZE:
       /* leave control set */
       break;
@@ -1409,6 +1362,10 @@ meta_ui_frame_get_mask (MetaUIFrame *frame,
                          borders.invisible.left / scale,
                          borders.invisible.top / scale,
                          frame_rect.width / scale, frame_rect.height / scale);
+  gtk_render_background (frame->style_info->styles[META_STYLE_ELEMENT_TITLEBAR], cr,
+                         borders.invisible.left / scale,
+                         borders.invisible.top / scale,
+                         frame_rect.width / scale, borders.total.top / scale);
 }
 
 /* XXX -- this is disgusting. Find a better approach here.
@@ -1487,24 +1444,6 @@ meta_ui_frame_paint (MetaUIFrame  *frame,
     case META_FRAME_CONTROL_UNMAXIMIZE:
       button_type = META_BUTTON_TYPE_MAXIMIZE;
       break;
-    case META_FRAME_CONTROL_SHADE:
-      button_type = META_BUTTON_TYPE_SHADE;
-      break;
-    case META_FRAME_CONTROL_UNSHADE:
-      button_type = META_BUTTON_TYPE_UNSHADE;
-      break;
-    case META_FRAME_CONTROL_ABOVE:
-      button_type = META_BUTTON_TYPE_ABOVE;
-      break;
-    case META_FRAME_CONTROL_UNABOVE:
-      button_type = META_BUTTON_TYPE_UNABOVE;
-      break;
-    case META_FRAME_CONTROL_STICK:
-      button_type = META_BUTTON_TYPE_STICK;
-      break;
-    case META_FRAME_CONTROL_UNSTICK:
-      button_type = META_BUTTON_TYPE_UNSTICK;
-      break;
     case META_FRAME_CONTROL_DELETE:
       button_type = META_BUTTON_TYPE_CLOSE;
       break;
@@ -1624,24 +1563,6 @@ control_rect (MetaFrameControl control,
     case META_FRAME_CONTROL_UNMAXIMIZE:
       rect = &fgeom->max_rect.visible;
       break;
-    case META_FRAME_CONTROL_SHADE:
-      rect = &fgeom->shade_rect.visible;
-      break;
-    case META_FRAME_CONTROL_UNSHADE:
-      rect = &fgeom->unshade_rect.visible;
-      break;
-    case META_FRAME_CONTROL_ABOVE:
-      rect = &fgeom->above_rect.visible;
-      break;
-    case META_FRAME_CONTROL_UNABOVE:
-      rect = &fgeom->unabove_rect.visible;
-      break;
-    case META_FRAME_CONTROL_STICK:
-      rect = &fgeom->stick_rect.visible;
-      break;
-    case META_FRAME_CONTROL_UNSTICK:
-      rect = &fgeom->unstick_rect.visible;
-      break;
     case META_FRAME_CONTROL_RESIZE_SE:
       break;
     case META_FRAME_CONTROL_RESIZE_S:
@@ -1726,36 +1647,6 @@ get_control (MetaUIFrame *frame, int root_x, int root_y)
         return META_FRAME_CONTROL_MAXIMIZE;
     }
 
-  if (POINT_IN_RECT (x, y, fgeom.shade_rect.clickable))
-    {
-      return META_FRAME_CONTROL_SHADE;
-    }
-
-  if (POINT_IN_RECT (x, y, fgeom.unshade_rect.clickable))
-    {
-      return META_FRAME_CONTROL_UNSHADE;
-    }
-
-  if (POINT_IN_RECT (x, y, fgeom.above_rect.clickable))
-    {
-      return META_FRAME_CONTROL_ABOVE;
-    }
-
-  if (POINT_IN_RECT (x, y, fgeom.unabove_rect.clickable))
-    {
-      return META_FRAME_CONTROL_UNABOVE;
-    }
-
-  if (POINT_IN_RECT (x, y, fgeom.stick_rect.clickable))
-    {
-      return META_FRAME_CONTROL_STICK;
-    }
-
-  if (POINT_IN_RECT (x, y, fgeom.unstick_rect.clickable))
-    {
-      return META_FRAME_CONTROL_UNSTICK;
-    }
-
   /* South resize always has priority over north resize,
    * in case of overlap.
    */

src/ui/frames.h

@@ -39,12 +39,6 @@ typedef enum
   META_FRAME_CONTROL_MINIMIZE,
   META_FRAME_CONTROL_MAXIMIZE,
   META_FRAME_CONTROL_UNMAXIMIZE,
-  META_FRAME_CONTROL_SHADE,
-  META_FRAME_CONTROL_UNSHADE,
-  META_FRAME_CONTROL_ABOVE,
-  META_FRAME_CONTROL_UNABOVE,
-  META_FRAME_CONTROL_STICK,
-  META_FRAME_CONTROL_UNSTICK,
   META_FRAME_CONTROL_RESIZE_SE,
   META_FRAME_CONTROL_RESIZE_S,
   META_FRAME_CONTROL_RESIZE_SW,

src/ui/theme-private.h

@@ -53,6 +53,8 @@ typedef struct _MetaFrameGeometry MetaFrameGeometry;
  **/
 struct _MetaFrameLayout
 {
+  /** Invisible border required by the theme */
+  GtkBorder invisible_border;
   /** Border/padding of the entire frame */
   GtkBorder frame_border;
   /** Border/padding of the titlebar region */
@@ -60,6 +62,16 @@ struct _MetaFrameLayout
   /** Border/padding of titlebar buttons */
   GtkBorder button_border;
 
+  /** Margin of title */
+  GtkBorder title_margin;
+  /** Margin of titlebar buttons */
+  GtkBorder button_margin;
+
+  /** Min size of titlebar region */
+  GtkRequisition titlebar_min_size;
+  /** Min size of titlebar buttons */
+  GtkRequisition button_min_size;
+
   /** Size of images in buttons */
   guint icon_size;
 
@@ -115,7 +127,7 @@ struct _MetaFrameGeometry
 
   /* used for a memset hack */
 #define ADDRESS_OF_BUTTON_RECTS(fgeom) (((char*)(fgeom)) + G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
-#define LENGTH_OF_BUTTON_RECTS (G_STRUCT_OFFSET (MetaFrameGeometry, unstick_rect) + sizeof (MetaButtonSpace) - G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
+#define LENGTH_OF_BUTTON_RECTS (G_STRUCT_OFFSET (MetaFrameGeometry, appmenu_rect) + sizeof (MetaButtonSpace) - G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
 
   /* The button rects (if changed adjust memset hack) */
   MetaButtonSpace close_rect;
@@ -123,12 +135,6 @@ struct _MetaFrameGeometry
   MetaButtonSpace min_rect;
   MetaButtonSpace menu_rect;
   MetaButtonSpace appmenu_rect;
-  MetaButtonSpace shade_rect;
-  MetaButtonSpace above_rect;
-  MetaButtonSpace stick_rect;
-  MetaButtonSpace unshade_rect;
-  MetaButtonSpace unabove_rect;
-  MetaButtonSpace unstick_rect;
   /* End of button rects (if changed adjust memset hack) */
 
   /* Saved button layout */
@@ -158,17 +164,12 @@ typedef enum
   META_BUTTON_TYPE_MINIMIZE,
   META_BUTTON_TYPE_MENU,
   META_BUTTON_TYPE_APPMENU,
-  META_BUTTON_TYPE_SHADE,
-  META_BUTTON_TYPE_ABOVE,
-  META_BUTTON_TYPE_STICK,
-  META_BUTTON_TYPE_UNSHADE,
-  META_BUTTON_TYPE_UNABOVE,
-  META_BUTTON_TYPE_UNSTICK,
   META_BUTTON_TYPE_LAST
 } MetaButtonType;
 
 typedef enum
 {
+  META_STYLE_ELEMENT_WINDOW,
   META_STYLE_ELEMENT_FRAME,
   META_STYLE_ELEMENT_TITLEBAR,
   META_STYLE_ELEMENT_TITLE,

src/ui/theme.c

@@ -79,10 +79,14 @@ meta_frame_layout_get_borders (const MetaFrameLayout *layout,
 
   if (!layout->has_title)
     text_height = 0;
+  else
+    text_height = layout->title_margin.top + text_height + layout->title_margin.bottom;
 
-  buttons_height = layout->icon_size +
-    layout->button_border.top + layout->button_border.bottom;
-  content_height = MAX (buttons_height, text_height) +
+  buttons_height = MAX ((int)layout->icon_size, layout->button_min_size.height) +
+    layout->button_margin.top + layout->button_border.top +
+    layout->button_margin.bottom + layout->button_border.bottom;
+  content_height = MAX (buttons_height, text_height);
+  content_height = MAX (content_height, layout->titlebar_min_size.height) +
                    layout->titlebar_border.top + layout->titlebar_border.bottom;
 
   borders->visible.top    = layout->frame_border.top + content_height;
@@ -90,23 +94,28 @@ meta_frame_layout_get_borders (const MetaFrameLayout *layout,
   borders->visible.right  = layout->frame_border.right;
   borders->visible.bottom = layout->frame_border.bottom;
 
+  borders->invisible = layout->invisible_border;
+
   draggable_borders = meta_prefs_get_draggable_border_width ();
 
   if (flags & META_FRAME_ALLOWS_HORIZONTAL_RESIZE)
     {
-      borders->invisible.left   = MAX (0, draggable_borders - borders->visible.left);
-      borders->invisible.right  = MAX (0, draggable_borders - borders->visible.right);
+      borders->invisible.left   = MAX (borders->invisible.left,
+                                       draggable_borders - borders->visible.left);
+      borders->invisible.right  = MAX (borders->invisible.right,
+                                       draggable_borders - borders->visible.right);
     }
 
   if (flags & META_FRAME_ALLOWS_VERTICAL_RESIZE)
     {
-      borders->invisible.bottom = MAX (0, draggable_borders - borders->visible.bottom);
+      borders->invisible.bottom = MAX (borders->invisible.bottom,
+                                       draggable_borders - borders->visible.bottom);
 
       /* borders.visible.top is the height of the *title bar*. We can't do the same
        * algorithm here, titlebars are expectedly much bigger. Just subtract a couple
        * pixels to get a proper feel. */
       if (type != META_FRAME_TYPE_ATTACHED)
-        borders->invisible.top    = MAX (0, draggable_borders - 2);
+        borders->invisible.top    = MAX (borders->invisible.top, draggable_borders - 2);
     }
 
   borders->total.left   = borders->invisible.left   + borders->visible.left;
@@ -177,17 +186,6 @@ rect_for_function (MetaFrameGeometry *fgeom,
         return &fgeom->close_rect;
       else
         return NULL;
-    case META_BUTTON_FUNCTION_STICK:
-    case META_BUTTON_FUNCTION_SHADE:
-    case META_BUTTON_FUNCTION_ABOVE:
-    case META_BUTTON_FUNCTION_UNSTICK:
-    case META_BUTTON_FUNCTION_UNSHADE:
-    case META_BUTTON_FUNCTION_UNABOVE:
-      /* Fringe buttons that used to be supported by theme versions >v1;
-       * if we want to support them again, we need to return the
-       * correspondings rects here
-       */
-      return NULL;
 
     case META_BUTTON_FUNCTION_LAST:
       return NULL;
@@ -245,6 +243,16 @@ get_padding_and_border (GtkStyleContext *style,
   border->bottom += tmp.bottom;
 }
 
+static void
+get_min_size (GtkStyleContext *style,
+              GtkRequisition  *requisition)
+{
+  gtk_style_context_get (style, gtk_style_context_get_state (style),
+                         "min-width", &requisition->width,
+                         "min-height", &requisition->height,
+                         NULL);
+}
+
 static void
 scale_border (GtkBorder *border,
               double     factor)
@@ -262,6 +270,8 @@ meta_frame_layout_sync_with_style (MetaFrameLayout *layout,
 {
   GtkStyleContext *style;
   GtkBorder border;
+  GtkRequisition requisition;
+  GdkRectangle clip_rect;
   int border_radius, max_radius;
 
   meta_style_info_set_flags (style_info, flags);
@@ -270,6 +280,12 @@ meta_frame_layout_sync_with_style (MetaFrameLayout *layout,
   get_padding_and_border (style, &layout->frame_border);
   scale_border (&layout->frame_border, layout->title_scale);
 
+  gtk_render_background_get_clip (style, 0, 0, 0, 0, &clip_rect);
+  layout->invisible_border.left = -clip_rect.x;
+  layout->invisible_border.right = clip_rect.width + clip_rect.x;
+  layout->invisible_border.top = -clip_rect.y;
+  layout->invisible_border.bottom = clip_rect.height + clip_rect.y;
+
   if (layout->hide_buttons)
     layout->icon_size = 0;
 
@@ -292,14 +308,25 @@ meta_frame_layout_sync_with_style (MetaFrameLayout *layout,
   max_radius = MIN (layout->frame_border.bottom, layout->frame_border.right);
   layout->bottom_right_corner_rounded_radius = MAX (border_radius, max_radius);
 
+  get_min_size (style, &layout->titlebar_min_size);
   get_padding_and_border (style, &layout->titlebar_border);
   scale_border (&layout->titlebar_border, layout->title_scale);
 
+  style = style_info->styles[META_STYLE_ELEMENT_TITLE];
+  gtk_style_context_get_margin (style, gtk_style_context_get_state (style),
+                                &layout->title_margin);
+  scale_border (&layout->title_margin, layout->title_scale);
+
   style = style_info->styles[META_STYLE_ELEMENT_BUTTON];
+  get_min_size (style, &layout->button_min_size);
   get_padding_and_border (style, &layout->button_border);
   scale_border (&layout->button_border, layout->title_scale);
+  gtk_style_context_get_margin (style, gtk_style_context_get_state (style),
+                                &layout->button_margin);
+  scale_border (&layout->button_margin, layout->title_scale);
 
   style = style_info->styles[META_STYLE_ELEMENT_IMAGE];
+  get_min_size (style, &requisition);
   get_padding_and_border (style, &border);
   scale_border (&border, layout->title_scale);
 
@@ -307,6 +334,18 @@ meta_frame_layout_sync_with_style (MetaFrameLayout *layout,
   layout->button_border.right += border.right;
   layout->button_border.top += border.top;
   layout->button_border.bottom += border.bottom;
+
+  gtk_style_context_get_margin (style, gtk_style_context_get_state (style),
+                                &border);
+  layout->button_border.left += border.left;
+  layout->button_border.right += border.right;
+  layout->button_border.top += border.top;
+  layout->button_border.bottom += border.bottom;
+
+  layout->button_min_size.width = MAX(layout->button_min_size.width,
+                                      requisition.width);
+  layout->button_min_size.height = MAX(layout->button_min_size.height,
+                                       requisition.height);
 }
 
 static void
@@ -370,9 +409,9 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
                   (fgeom->content_border.right + borders.invisible.right);
   content_height = borders.visible.top - fgeom->content_border.top - fgeom->content_border.bottom;
 
-  button_width = layout->icon_size +
+  button_width = MAX ((int)layout->icon_size, layout->button_min_size.width) +
                  layout->button_border.left + layout->button_border.right;
-  button_height = layout->icon_size +
+  button_height = MAX ((int)layout->icon_size, layout->button_min_size.height) +
                   layout->button_border.top + layout->button_border.bottom;
   button_width *= scale;
   button_height *= scale;
@@ -433,11 +472,15 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
 
       space_used_by_buttons = 0;
 
+      space_used_by_buttons += layout->button_margin.left * scale * n_left;
       space_used_by_buttons += button_width * n_left;
+      space_used_by_buttons += layout->button_margin.right * scale * n_left;
       space_used_by_buttons += (button_width * 0.75) * n_left_spacers;
       space_used_by_buttons += layout->titlebar_spacing * scale * MAX (n_left - 1, 0);
 
+      space_used_by_buttons += layout->button_margin.left * scale * n_right;
       space_used_by_buttons += button_width * n_right;
+      space_used_by_buttons += layout->button_margin.right * scale * n_right;
       space_used_by_buttons += (button_width * 0.75) * n_right_spacers;
       space_used_by_buttons += layout->titlebar_spacing * scale * MAX (n_right - 1, 0);
 
@@ -457,22 +500,10 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
         }
 
       /* Otherwise we need to shave out a button. Shave
-       * above, stick, shade, min, max, close, then menu (menu is most useful);
+       * min, max, close, then menu (menu is most useful);
        * prefer the default button locations.
        */
-      if (strip_button (left_func_rects, &n_left, &fgeom->above_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->above_rect))
-        continue;
-      else if (strip_button (left_func_rects, &n_left, &fgeom->stick_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->stick_rect))
-        continue;
-      else if (strip_button (left_func_rects, &n_left, &fgeom->shade_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->shade_rect))
-        continue;
-      else if (strip_button (left_func_rects, &n_left, &fgeom->min_rect))
+      if (strip_button (left_func_rects, &n_left, &fgeom->min_rect))
         continue;
       else if (strip_button (right_func_rects, &n_right, &fgeom->min_rect))
         continue;
@@ -519,6 +550,8 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
       if (x < 0) /* if we go negative, leave the buttons we don't get to as 0-width */
         break;
 
+      x -= layout->button_margin.right * scale;
+
       rect = right_func_rects[i];
       rect->visible.x = x - button_width;
       if (right_buttons_has_spacer[i])
@@ -544,7 +577,7 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
       else
         g_memmove (&(rect->clickable), &(rect->visible), sizeof(rect->clickable));
 
-      x = rect->visible.x;
+      x = rect->visible.x - layout->button_margin.left * scale;
 
       if (i > 0)
         x -= layout->titlebar_spacing;
@@ -563,6 +596,8 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
     {
       MetaButtonSpace *rect;
 
+      x += layout->button_margin.left * scale;
+
       rect = left_func_rects[i];
 
       rect->visible.x = x;
@@ -589,7 +624,7 @@ meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
       else
         g_memmove (&(rect->clickable), &(rect->visible), sizeof(rect->clickable));
 
-      x = rect->visible.x + rect->visible.width;
+      x = rect->visible.x + rect->visible.width + layout->button_margin.right * scale;
       if (i < n_left - 1)
         x += layout->titlebar_spacing * scale;
       if (left_buttons_has_spacer[i])
@@ -643,30 +678,6 @@ get_button_rect (MetaButtonType           type,
       *rect = fgeom->close_rect.visible;
       break;
 
-    case META_BUTTON_TYPE_SHADE:
-      *rect = fgeom->shade_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_UNSHADE:
-      *rect = fgeom->unshade_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_ABOVE:
-      *rect = fgeom->above_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_UNABOVE:
-      *rect = fgeom->unabove_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_STICK:
-      *rect = fgeom->stick_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_UNSTICK:
-      *rect = fgeom->unstick_rect.visible;
-      break;
-
     case META_BUTTON_TYPE_MAXIMIZE:
       *rect = fgeom->max_rect.visible;
       break;
@@ -890,6 +901,7 @@ meta_frame_layout_draw_with_style (MetaFrameLayout         *layout,
       cairo_restore (cr);
       if (button_class)
         gtk_style_context_remove_class (style, button_class);
+      gtk_style_context_set_state (style, state);
     }
 }
 
@@ -915,11 +927,9 @@ meta_theme_get_default (void)
       switch (frame_type)
         {
         case META_FRAME_TYPE_NORMAL:
-          break;
         case META_FRAME_TYPE_DIALOG:
         case META_FRAME_TYPE_MODAL_DIALOG:
         case META_FRAME_TYPE_ATTACHED:
-          layout->hide_buttons = TRUE;
           break;
         case META_FRAME_TYPE_MENU:
         case META_FRAME_TYPE_UTILITY:
@@ -977,6 +987,7 @@ static GtkStyleContext *
 create_style_context (GType            widget_type,
                       GtkStyleContext *parent_style,
                       GtkCssProvider  *provider,
+                      const char      *object_name,
                       const char      *first_class,
                       ...)
 {
@@ -996,6 +1007,9 @@ create_style_context (GType            widget_type,
 
   gtk_widget_path_append_type (path, widget_type);
 
+  if (object_name)
+    gtk_widget_path_iter_set_object_name (path, -1, object_name);
+
   va_start (ap, first_class);
   for (name = first_class; name; name = va_arg (ap, const char *))
     gtk_widget_path_iter_add_class (path, -1, name);
@@ -1031,40 +1045,48 @@ meta_theme_create_style_info (GdkScreen   *screen,
   style_info = g_new0 (MetaStyleInfo, 1);
   style_info->refcount = 1;
 
-  style_info->styles[META_STYLE_ELEMENT_FRAME] =
+  style_info->styles[META_STYLE_ELEMENT_WINDOW] =
     create_style_context (META_TYPE_FRAMES,
                           NULL,
                           provider,
+                          "window",
                           GTK_STYLE_CLASS_BACKGROUND,
-                          "window-frame",
                           "ssd",
                           NULL);
+  style_info->styles[META_STYLE_ELEMENT_FRAME] =
+    create_style_context (META_TYPE_FRAMES,
+                          style_info->styles[META_STYLE_ELEMENT_WINDOW],
+                          provider,
+                          "decoration",
+                          NULL);
   style_info->styles[META_STYLE_ELEMENT_TITLEBAR] =
     create_style_context (GTK_TYPE_HEADER_BAR,
                           style_info->styles[META_STYLE_ELEMENT_FRAME],
                           provider,
+                          "headerbar",
                           GTK_STYLE_CLASS_TITLEBAR,
                           GTK_STYLE_CLASS_HORIZONTAL,
                           "default-decoration",
-                          "header-bar",
                           NULL);
   style_info->styles[META_STYLE_ELEMENT_TITLE] =
     create_style_context (GTK_TYPE_LABEL,
                           style_info->styles[META_STYLE_ELEMENT_TITLEBAR],
                           provider,
+                          "label",
                           GTK_STYLE_CLASS_TITLE,
                           NULL);
   style_info->styles[META_STYLE_ELEMENT_BUTTON] =
     create_style_context (GTK_TYPE_BUTTON,
                           style_info->styles[META_STYLE_ELEMENT_TITLEBAR],
                           provider,
-                          GTK_STYLE_CLASS_BUTTON,
+                          "button",
                           "titlebutton",
                           NULL);
   style_info->styles[META_STYLE_ELEMENT_IMAGE] =
     create_style_context (GTK_TYPE_IMAGE,
                           style_info->styles[META_STYLE_ELEMENT_BUTTON],
                           provider,
+                          "image",
                           NULL);
   return style_info;
 }
@@ -1171,9 +1193,10 @@ meta_style_info_create_font_desc (MetaStyleInfo *style_info)
 {
   PangoFontDescription *font_desc;
   const PangoFontDescription *override = meta_prefs_get_titlebar_font ();
+  GtkStyleContext *context = style_info->styles[META_STYLE_ELEMENT_TITLE];
 
-  gtk_style_context_get (style_info->styles[META_STYLE_ELEMENT_TITLE],
-                         GTK_STATE_FLAG_NORMAL,
+  gtk_style_context_get (context,
+                         gtk_style_context_get_state (context),
                          "font", &font_desc, NULL);
 
   if (override)

src/wayland/meta-pointer-confinement-wayland.c

@@ -0,0 +1,707 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#include "config.h"
+
+#include "wayland/meta-pointer-confinement-wayland.h"
+
+#include <glib-object.h>
+#include <cairo.h>
+
+#include "backends/meta-backend-private.h"
+#include "core/meta-border.h"
+#include "wayland/meta-wayland-seat.h"
+#include "wayland/meta-wayland-pointer.h"
+#include "wayland/meta-wayland-pointer-constraints.h"
+#include "wayland/meta-wayland-surface.h"
+#include "backends/meta-pointer-constraint.h"
+#include "compositor/meta-surface-actor-wayland.h"
+
+struct _MetaPointerConfinementWayland
+{
+  MetaPointerConstraint parent;
+
+  MetaWaylandPointerConstraint *constraint;
+};
+
+typedef struct _MetaBox
+{
+  int x1;
+  int y1;
+  int x2;
+  int y2;
+} MetaBox;
+
+G_DEFINE_TYPE (MetaPointerConfinementWayland, meta_pointer_confinement_wayland,
+               META_TYPE_POINTER_CONSTRAINT);
+
+static MetaBorder *
+add_border (GArray *borders,
+            float x1, float y1,
+            float x2, float y2,
+            MetaBorderMotionDirection blocking_directions)
+{
+  MetaBorder border;
+
+  border = (MetaBorder) {
+    .line = (MetaLine2) {
+      .a = (MetaVector2) {
+        .x = x1,
+        .y = y1,
+      },
+      .b = (MetaVector2) {
+        .x = x2,
+        .y = y2,
+      },
+    },
+    .blocking_directions = blocking_directions,
+  };
+
+  g_array_append_val (borders, border);
+
+  return &g_array_index (borders, MetaBorder, borders->len - 1);
+}
+
+static gint
+compare_lines_x (gconstpointer a, gconstpointer b)
+{
+  const MetaBorder *border_a = a;
+  const MetaBorder *border_b = b;
+
+  if (border_a->line.a.x == border_b->line.a.x)
+    return border_a->line.b.x < border_b->line.b.x;
+  else
+    return border_a->line.a.x > border_b->line.a.x;
+}
+
+static void
+add_non_overlapping_edges (MetaBox     *boxes,
+                           unsigned int band_above_start,
+                           unsigned int band_below_start,
+                           unsigned int band_below_end,
+                           GArray      *borders)
+{
+  unsigned int i;
+  GArray *band_merge;
+  MetaBorder *border;
+  MetaBorder *prev_border;
+  MetaBorder *new_border;
+
+  band_merge = g_array_new (FALSE, FALSE, sizeof *border);
+
+  /* Add bottom band of previous row, and top band of current row, and
+   * sort them so lower left x coordinate comes first. If there are two
+   * borders with the same left x coordinate, the wider one comes first.
+   */
+  for (i = band_above_start; i < band_below_start; i++)
+    {
+      MetaBox *box = &boxes[i];
+      add_border (band_merge, box->x1, box->y2, box->x2, box->y2,
+                  META_BORDER_MOTION_DIRECTION_POSITIVE_Y);
+    }
+  for (i = band_below_start; i < band_below_end; i++)
+    {
+      MetaBox *box= &boxes[i];
+      add_border (band_merge, box->x1, box->y1, box->x2, box->y1,
+                  META_BORDER_MOTION_DIRECTION_NEGATIVE_Y);
+    }
+  g_array_sort (band_merge, compare_lines_x);
+
+  /* Combine the two combined bands so that any overlapping border is
+   * eliminated. */
+  prev_border = NULL;
+  for (i = 0; i < band_merge->len; i++)
+    {
+      border = &g_array_index (band_merge, MetaBorder, i);
+
+      g_assert (border->line.a.y == border->line.b.y);
+      g_assert (!prev_border ||
+                prev_border->line.a.y == border->line.a.y);
+      g_assert (!prev_border ||
+                (prev_border->line.a.x != border->line.a.x ||
+                 prev_border->line.b.x != border->line.b.x));
+      g_assert (!prev_border ||
+                prev_border->line.a.x <= border->line.a.x);
+
+      if (prev_border &&
+          prev_border->line.a.x == border->line.a.x)
+        {
+          /*
+           * ------------ +
+           * -------      =
+           * [     ]-----
+           */
+          prev_border->line.a.x = border->line.b.x;
+        }
+      else if (prev_border &&
+               prev_border->line.b.x == border->line.b.x)
+        {
+          /*
+           * ------------ +
+           *       ------ =
+           * ------[    ]
+           */
+          prev_border->line.b.x = border->line.a.x;
+        }
+      else if (prev_border &&
+               prev_border->line.b.x == border->line.a.x)
+        {
+          /*
+           * --------        +
+           *         ------  =
+           * --------------
+           */
+          prev_border->line.b.x = border->line.b.x;
+        }
+      else if (prev_border &&
+               prev_border->line.b.x >= border->line.a.x)
+        {
+          /*
+           * --------------- +
+           *      ------     =
+           * -----[    ]----
+           */
+          new_border = add_border (borders,
+                                   border->line.b.x,
+                                   border->line.b.y,
+                                   prev_border->line.b.x,
+                                   prev_border->line.b.y,
+                                   prev_border->blocking_directions);
+          prev_border->line.b.x = border->line.a.x;
+          prev_border = new_border;
+        }
+      else
+        {
+          g_assert (!prev_border ||
+                    prev_border->line.b.x < border->line.a.x);
+          /*
+           * First border or non-overlapping.
+           *
+           * -----           +
+           *        -----    =
+           * -----  -----
+           */
+          g_array_append_val (borders, *border);
+          prev_border = &g_array_index (borders, MetaBorder, borders->len - 1);
+        }
+    }
+
+  g_array_free (band_merge, FALSE);
+}
+
+static void
+add_band_bottom_edges (MetaBox *boxes,
+                       int      band_start,
+                       int      band_end,
+                       GArray  *borders)
+{
+  int i;
+
+  for (i = band_start; i < band_end; i++)
+    {
+      add_border (borders,
+                  boxes[i].x1, boxes[i].y2,
+                  boxes[i].x2, boxes[i].y2,
+                  META_BORDER_MOTION_DIRECTION_POSITIVE_Y);
+    }
+}
+
+static void
+region_to_outline (cairo_region_t *region,
+                   GArray         *borders)
+{
+  MetaBox *boxes;
+  int num_boxes;
+  int i;
+  int top_most, bottom_most;
+  int current_roof;
+  int prev_top;
+  int band_start, prev_band_start;
+
+  /*
+   * Remove any overlapping lines from the set of rectangles. Note that
+   * pixman regions are grouped as rows of rectangles, where rectangles
+   * in one row never touch or overlap and are all of the same height.
+   *
+   *             -------- ---                   -------- ---
+   *             |      | | |                   |      | | |
+   *   ----------====---- ---         -----------  ----- ---
+   *   |            |            =>   |            |
+   *   ----==========---------        -----        ----------
+   *       |                 |            |                 |
+   *       -------------------            -------------------
+   *
+   */
+
+  num_boxes  = cairo_region_num_rectangles (region);
+  boxes = g_new (MetaBox, num_boxes);
+  for (i = 0; i < num_boxes; i++)
+    {
+      cairo_rectangle_int_t rect;
+      cairo_region_get_rectangle (region, i, &rect);
+      boxes[i] = (MetaBox) {
+        .x1 = rect.x,
+        .y1 = rect.y,
+        .x2 = rect.x + rect.width,
+        .y2 = rect.y + rect.height,
+      };
+    }
+  prev_top = 0;
+  top_most = boxes[0].y1;
+  current_roof = top_most;
+  bottom_most = boxes[num_boxes - 1].y2;
+  band_start = 0;
+  prev_band_start = 0;
+  for (i = 0; i < num_boxes; i++)
+    {
+      /* Detect if there is a vertical empty space, and add the lower
+       * level of the previous band if so was the case. */
+      if (i > 0 &&
+          boxes[i].y1 != prev_top &&
+          boxes[i].y1 != boxes[i - 1].y2)
+        {
+          current_roof = boxes[i].y1;
+          add_band_bottom_edges (boxes,
+                                 band_start,
+                                 i,
+                                 borders);
+        }
+
+      /* Special case adding the last band, since it won't be handled
+       * by the band change detection below. */
+      if (boxes[i].y1 != current_roof && i == num_boxes - 1)
+        {
+          if (boxes[i].y1 != prev_top)
+            {
+              /* The last band is a single box, so we don't
+               * have a prev_band_start to tell us when the
+               * previous band started. */
+              add_non_overlapping_edges (boxes,
+                                         band_start,
+                                         i,
+                                         i + 1,
+                                         borders);
+            }
+          else
+            {
+              add_non_overlapping_edges (boxes,
+                                         prev_band_start,
+                                         band_start,
+                                         i + 1,
+                                         borders);
+            }
+        }
+
+      /* Detect when passing a band and combine the top border of the
+       * just passed band with the bottom band of the previous band.
+       */
+      if (boxes[i].y1 != top_most && boxes[i].y1 != prev_top)
+        {
+          /* Combine the two passed bands. */
+          if (prev_top != current_roof)
+            {
+              add_non_overlapping_edges (boxes,
+                                         prev_band_start,
+                                         band_start,
+                                         i,
+                                         borders);
+            }
+
+          prev_band_start = band_start;
+          band_start = i;
+        }
+
+      /* Add the top border if the box is part of the current roof. */
+      if (boxes[i].y1 == current_roof)
+        {
+          add_border (borders,
+                      boxes[i].x1, boxes[i].y1,
+                      boxes[i].x2, boxes[i].y1,
+                      META_BORDER_MOTION_DIRECTION_NEGATIVE_Y);
+        }
+
+      /* Add the bottom border of the last band. */
+      if (boxes[i].y2 == bottom_most)
+        {
+          add_border (borders,
+                      boxes[i].x1, boxes[i].y2,
+                      boxes[i].x2, boxes[i].y2,
+                      META_BORDER_MOTION_DIRECTION_POSITIVE_Y);
+        }
+
+      /* Always add the left border. */
+      add_border (borders,
+                  boxes[i].x1, boxes[i].y1,
+                  boxes[i].x1, boxes[i].y2,
+                  META_BORDER_MOTION_DIRECTION_NEGATIVE_X);
+
+      /* Always add the right border. */
+      add_border (borders,
+                  boxes[i].x2, boxes[i].y1,
+                  boxes[i].x2, boxes[i].y2,
+                  META_BORDER_MOTION_DIRECTION_POSITIVE_X);
+
+      prev_top = boxes[i].y1;
+    }
+
+  g_free (boxes);
+}
+
+static MetaBorder *
+get_closest_border (GArray    *borders,
+                    MetaLine2 *motion,
+                    uint32_t   directions)
+{
+  MetaBorder *border;
+  MetaVector2 intersection;
+  MetaVector2 delta;
+  float distance_2;
+  MetaBorder *closest_border = NULL;
+  float closest_distance_2 = DBL_MAX;
+  unsigned int i;
+
+  for (i = 0; i < borders->len; i++)
+    {
+      border = &g_array_index (borders, MetaBorder, i);
+
+      if (!meta_border_is_blocking_directions (border, directions))
+        continue;
+
+      if (!meta_line2_intersects_with (&border->line, motion, &intersection))
+        continue;
+
+      delta = meta_vector2_subtract (intersection, motion->a);
+      distance_2 = delta.x*delta.x + delta.y*delta.y;
+      if (distance_2 < closest_distance_2)
+        {
+          closest_border = border;
+          closest_distance_2 = distance_2;
+        }
+    }
+
+  return closest_border;
+}
+
+static void
+clamp_to_border (MetaBorder *border,
+                 MetaLine2  *motion,
+                 uint32_t   *motion_dir)
+{
+  /*
+   * When clamping either rightward or downward motions, the motion needs to be
+   * clamped so that the destination coordinate does not end up on the border
+   * (see weston_pointer_clamp_event_to_region). Do this by clamping such
+   * motions to the border minus the smallest possible wl_fixed_t value.
+   *
+   * When clamping in either leftward or upward motion, the resulting coordinate
+   * needs to be clamped so that it is enough on the inside to avoid the
+   * inaccuracies of clutter's stage to actor transformation algorithm (the one
+   * used in clutter_actor_transform_stage_point) to make it end up outside the
+   * next motion. It also needs to be clamped so that to the wl_fixed_t
+   * coordinate may still be right on the border (i.e. at .0). Testing shows
+   * that the smallest wl_fixed_t value divided by 10 is small enough to make
+   * the wl_fixed_t coordinate .0 and large enough to avoid the inaccuracies of
+   * clutters transform algorithm.
+   */
+  if (meta_border_is_horizontal (border))
+    {
+      if (*motion_dir & META_BORDER_MOTION_DIRECTION_POSITIVE_Y)
+        motion->b.y = border->line.a.y - wl_fixed_to_double (1);
+      else
+        motion->b.y = border->line.a.y + wl_fixed_to_double (1) / 10;
+      *motion_dir &= ~(META_BORDER_MOTION_DIRECTION_POSITIVE_Y |
+                       META_BORDER_MOTION_DIRECTION_NEGATIVE_Y);
+    }
+  else
+    {
+      if (*motion_dir & META_BORDER_MOTION_DIRECTION_POSITIVE_X)
+        motion->b.x = border->line.a.x - wl_fixed_to_double (1);
+      else
+        motion->b.x = border->line.a.x + wl_fixed_to_double (1) / 10;
+      *motion_dir &= ~(META_BORDER_MOTION_DIRECTION_POSITIVE_X |
+                       META_BORDER_MOTION_DIRECTION_NEGATIVE_X);
+    }
+}
+
+static uint32_t
+get_motion_directions (MetaLine2 *motion)
+{
+  uint32_t directions = 0;
+
+  if (motion->a.x < motion->b.x)
+    directions |= META_BORDER_MOTION_DIRECTION_POSITIVE_X;
+  else if (motion->a.x > motion->b.x)
+    directions |= META_BORDER_MOTION_DIRECTION_NEGATIVE_X;
+  if (motion->a.y < motion->b.y)
+    directions |= META_BORDER_MOTION_DIRECTION_POSITIVE_Y;
+  else if (motion->a.y > motion->b.y)
+    directions |= META_BORDER_MOTION_DIRECTION_NEGATIVE_Y;
+
+  return directions;
+}
+
+static void
+meta_pointer_confinement_wayland_constrain (MetaPointerConstraint *constraint,
+                                            ClutterInputDevice    *device,
+                                            guint32                time,
+                                            float                  prev_x,
+                                            float                  prev_y,
+                                            float                  *x,
+                                            float                  *y)
+{
+  MetaPointerConfinementWayland *self =
+    META_POINTER_CONFINEMENT_WAYLAND (constraint);
+  MetaWaylandSurface *surface;
+  cairo_region_t *region;
+  float sx, sy;
+  float prev_sx, prev_sy;
+  GArray *borders;
+  MetaLine2 motion;
+  MetaBorder *closest_border;
+  uint32_t directions;
+
+  surface = meta_wayland_pointer_constraint_get_surface (self->constraint);
+
+  meta_wayland_surface_get_relative_coordinates (surface, *x, *y, &sx, &sy);
+  meta_wayland_surface_get_relative_coordinates (surface, prev_x, prev_y,
+                                                 &prev_sx, &prev_sy);
+
+  /* For motions in a positive direction on any axis, append the smallest
+   * possible value representable in a Wayland absolute coordinate.  This is
+   * in order to avoid not clamping motion that as a floating point number
+   * won't be clamped, but will be rounded up to be outside of the range
+   * of wl_fixed_t. */
+  if (sx > prev_sx)
+    sx += (float)wl_fixed_to_double(1);
+  if (sy > prev_sy)
+    sy += (float)wl_fixed_to_double(1);
+
+  borders = g_array_new (FALSE, FALSE, sizeof (MetaBorder));
+
+  /*
+   * Generate borders given the confine region we are to use. The borders
+   * are defined to be the outer region of the allowed area. This means
+   * top/left borders are "within" the allowed area, while bottom/right
+   * borders are outside. This needs to be considered when clamping
+   * confined motion vectors.
+   */
+  region =
+    meta_wayland_pointer_constraint_calculate_effective_region (self->constraint);
+  region_to_outline (region, borders);
+  cairo_region_destroy (region);
+
+  motion = (MetaLine2) {
+    .a = (MetaVector2) {
+      .x = prev_sx,
+      .y = prev_sy,
+    },
+    .b = (MetaVector2) {
+      .x = sx,
+      .y = sy,
+    },
+  };
+  directions = get_motion_directions (&motion);
+
+  while (directions)
+    {
+      closest_border = get_closest_border (borders,
+                                           &motion,
+                                           directions);
+      if (closest_border)
+        clamp_to_border (closest_border, &motion, &directions);
+      else
+        break;
+    }
+
+  meta_wayland_surface_get_absolute_coordinates (surface,
+                                                 motion.b.x, motion.b.y,
+                                                 x, y);
+
+  g_array_free (borders, FALSE);
+}
+
+static float
+point_to_border_distance_2 (MetaBorder *border,
+                            float       x,
+                            float       y)
+{
+  float orig_x, orig_y;
+  float dx, dy;
+
+  if (meta_border_is_horizontal (border))
+    {
+      if (x < border->line.a.x)
+        orig_x = border->line.a.x;
+      else if (x > border->line.b.x)
+        orig_x = border->line.b.x;
+      else
+        orig_x = x;
+      orig_y = border->line.a.y;
+    }
+  else
+    {
+      if (y < border->line.a.y)
+        orig_y = border->line.a.y;
+      else if (y > border->line.b.y)
+        orig_y = border->line.b.y;
+      else
+        orig_y = y;
+      orig_x = border->line.a.x;
+    }
+
+  dx = fabsf (orig_x - x);
+  dy = fabsf (orig_y - y);
+  return dx*dx + dy*dy;
+}
+
+static void
+warp_to_behind_border (MetaBorder *border,
+                       float      *sx,
+                       float      *sy)
+{
+  switch (border->blocking_directions)
+    {
+    case META_BORDER_MOTION_DIRECTION_POSITIVE_X:
+    case META_BORDER_MOTION_DIRECTION_NEGATIVE_X:
+      if (border->blocking_directions == META_BORDER_MOTION_DIRECTION_POSITIVE_X)
+        *sx = border->line.a.x - wl_fixed_to_double (1);
+      else
+        *sx = border->line.a.x + wl_fixed_to_double (1);
+      if (*sy < border->line.a.y)
+        *sy = border->line.a.y + wl_fixed_to_double (1);
+      else if (*sy > border->line.b.y)
+        *sy = border->line.b.y - wl_fixed_to_double (1);
+      break;
+    case META_BORDER_MOTION_DIRECTION_POSITIVE_Y:
+    case META_BORDER_MOTION_DIRECTION_NEGATIVE_Y:
+      if (border->blocking_directions == META_BORDER_MOTION_DIRECTION_POSITIVE_Y)
+        *sy = border->line.a.y - wl_fixed_to_double (1);
+      else
+        *sy = border->line.a.y + wl_fixed_to_double (1);
+      if (*sx < border->line.a.x)
+        *sx = border->line.a.x + wl_fixed_to_double (1);
+      else if (*sx > (border->line.b.x))
+        *sx = border->line.b.x - wl_fixed_to_double (1);
+      break;
+    }
+}
+
+static void
+meta_pointer_confinement_wayland_maybe_warp (MetaPointerConfinementWayland *self)
+{
+  MetaWaylandSeat *seat;
+  MetaWaylandSurface *surface;
+  ClutterPoint point;
+  float sx;
+  float sy;
+  cairo_region_t *region;
+
+  seat = meta_wayland_pointer_constraint_get_seat (self->constraint);
+  surface = meta_wayland_pointer_constraint_get_surface (self->constraint);
+
+  clutter_input_device_get_coords (seat->pointer.device, NULL, &point);
+  meta_wayland_surface_get_relative_coordinates (surface,
+                                                 point.x, point.y,
+                                                 &sx, &sy);
+
+  region =
+    meta_wayland_pointer_constraint_calculate_effective_region (self->constraint);
+
+  if (!cairo_region_contains_point (region, (int)sx, (int)sy))
+    {
+      GArray *borders;
+      float closest_distance_2 = FLT_MAX;
+      MetaBorder *closest_border = NULL;
+      unsigned int i;
+      float x;
+      float y;
+
+      borders = g_array_new (FALSE, FALSE, sizeof (MetaBorder));
+
+      region_to_outline (region, borders);
+
+      for (i = 0; i < borders->len; i++)
+        {
+          MetaBorder *border = &g_array_index (borders, MetaBorder, i);
+          float distance_2;
+
+          distance_2 = point_to_border_distance_2 (border, sx, sy);
+          if (distance_2 < closest_distance_2)
+            {
+              closest_border = border;
+              closest_distance_2 = distance_2;
+            }
+        }
+
+      warp_to_behind_border (closest_border, &sx, &sy);
+
+      meta_wayland_surface_get_absolute_coordinates (surface, sx, sy, &x, &y);
+      meta_backend_warp_pointer (meta_get_backend (), (int)x, (int)y);
+    }
+
+  cairo_region_destroy (region);
+}
+
+static void
+surface_actor_painting (MetaSurfaceActorWayland       *surface_actor,
+                        MetaPointerConfinementWayland *self)
+{
+  meta_pointer_confinement_wayland_maybe_warp (self);
+}
+
+MetaPointerConstraint *
+meta_pointer_confinement_wayland_new (MetaWaylandPointerConstraint *constraint)
+{
+  GObject *object;
+  MetaPointerConfinementWayland *confinement;
+  MetaWaylandSurface *surface;
+
+  object = g_object_new (META_TYPE_POINTER_CONFINEMENT_WAYLAND, NULL);
+  confinement = META_POINTER_CONFINEMENT_WAYLAND (object);
+
+  confinement->constraint = constraint;
+
+  surface = meta_wayland_pointer_constraint_get_surface (constraint);
+  g_signal_connect_object (surface->surface_actor,
+                           "painting",
+                           G_CALLBACK (surface_actor_painting),
+                           confinement,
+                           0);
+
+  return META_POINTER_CONSTRAINT (confinement);
+}
+
+static void
+meta_pointer_confinement_wayland_init (MetaPointerConfinementWayland *confinement_wayland)
+{
+}
+
+static void
+meta_pointer_confinement_wayland_class_init (MetaPointerConfinementWaylandClass *klass)
+{
+  MetaPointerConstraintClass *pointer_constraint_class =
+    META_POINTER_CONSTRAINT_CLASS (klass);
+
+  pointer_constraint_class->constrain = meta_pointer_confinement_wayland_constrain;
+}

src/wayland/meta-pointer-confinement-wayland.h

@@ -0,0 +1,45 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#ifndef META_POINTER_CONFINEMENT_WAYLAND_H
+#define META_POINTER_CONFINEMENT_WAYLAND_H
+
+#include <glib-object.h>
+
+#include "backends/meta-pointer-constraint.h"
+#include "wayland/meta-wayland-pointer-constraints.h"
+
+G_BEGIN_DECLS
+
+#define META_TYPE_POINTER_CONFINEMENT_WAYLAND (meta_pointer_confinement_wayland_get_type ())
+G_DECLARE_FINAL_TYPE (MetaPointerConfinementWayland,
+                      meta_pointer_confinement_wayland,
+                      META, POINTER_CONFINEMENT_WAYLAND,
+                      MetaPointerConstraint);
+
+MetaPointerConstraint *meta_pointer_confinement_wayland_new (MetaWaylandPointerConstraint *constraint);
+
+G_END_DECLS
+
+#endif /* META_CONFINEMENT_WAYLAND_H */

src/wayland/meta-pointer-lock-wayland.c

@@ -0,0 +1,72 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#include "config.h"
+
+#include "wayland/meta-pointer-lock-wayland.h"
+
+#include <glib-object.h>
+
+#include "backends/meta-pointer-constraint.h"
+
+struct _MetaPointerLockWayland
+{
+  MetaPointerConstraint parent;
+};
+
+G_DEFINE_TYPE (MetaPointerLockWayland, meta_pointer_lock_wayland,
+               META_TYPE_POINTER_CONSTRAINT);
+
+static void
+meta_pointer_lock_wayland_constrain (MetaPointerConstraint *constraint,
+                                     ClutterInputDevice    *device,
+                                     guint32                time,
+                                     float                  prev_x,
+                                     float                  prev_y,
+                                     float                 *x,
+                                     float                 *y)
+{
+  *x = prev_x;
+  *y = prev_y;
+}
+
+MetaPointerConstraint *
+meta_pointer_lock_wayland_new (void)
+{
+  return g_object_new (META_TYPE_POINTER_LOCK_WAYLAND, NULL);
+}
+
+static void
+meta_pointer_lock_wayland_init (MetaPointerLockWayland *lock_wayland)
+{
+}
+
+static void
+meta_pointer_lock_wayland_class_init (MetaPointerLockWaylandClass *klass)
+{
+  MetaPointerConstraintClass *pointer_constraint_class =
+    META_POINTER_CONSTRAINT_CLASS (klass);
+
+  pointer_constraint_class->constrain = meta_pointer_lock_wayland_constrain;
+}

src/wayland/meta-pointer-lock-wayland.h

@@ -0,0 +1,42 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2015 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jonas Ådahl <jadahl@gmail.com>
+ */
+
+#ifndef META_POINTER_LOCK_WAYLAND_H
+#define META_POINTER_LOCK_WAYLAND_H
+
+#include <glib-object.h>
+
+#include "backends/meta-pointer-constraint.h"
+
+G_BEGIN_DECLS
+
+#define META_TYPE_POINTER_LOCK_WAYLAND (meta_pointer_lock_wayland_get_type ())
+G_DECLARE_FINAL_TYPE (MetaPointerLockWayland, meta_pointer_lock_wayland,
+                      META, POINTER_LOCK_WAYLAND, MetaPointerConstraint);
+
+MetaPointerConstraint *meta_pointer_lock_wayland_new (void);
+
+G_END_DECLS
+
+#endif /* META_LOCK_WAYLAND_H */

src/wayland/meta-wayland-buffer.c

@@ -30,6 +30,8 @@
 #include <cogl/cogl-wayland-server.h>
 #include <meta/util.h>
 
+G_DEFINE_TYPE (MetaWaylandBuffer, meta_wayland_buffer, G_TYPE_OBJECT);
+
 static void
 meta_wayland_buffer_destroy_handler (struct wl_listener *listener,
                                      void *data)
@@ -37,25 +39,28 @@ meta_wayland_buffer_destroy_handler (struct wl_listener *listener,
   MetaWaylandBuffer *buffer =
     wl_container_of (listener, buffer, destroy_listener);
 
+  buffer->resource = NULL;
   wl_signal_emit (&buffer->destroy_signal, buffer);
-  g_slice_free (MetaWaylandBuffer, buffer);
+  g_object_unref (buffer);
 }
 
 void
-meta_wayland_buffer_ref (MetaWaylandBuffer *buffer)
+meta_wayland_buffer_ref_use_count (MetaWaylandBuffer *buffer)
 {
-  buffer->ref_count++;
+  g_warn_if_fail (buffer->resource);
+
+  buffer->use_count++;
 }
 
 void
-meta_wayland_buffer_unref (MetaWaylandBuffer *buffer)
+meta_wayland_buffer_unref_use_count (MetaWaylandBuffer *buffer)
 {
-  buffer->ref_count--;
-  if (buffer->ref_count == 0)
-    {
-      g_clear_pointer (&buffer->texture, cogl_object_unref);
-      wl_resource_queue_event (buffer->resource, WL_BUFFER_RELEASE);
-    }
+  g_return_if_fail (buffer->use_count != 0);
+
+  buffer->use_count--;
+
+  if (buffer->use_count == 0 && buffer->resource)
+    wl_resource_queue_event (buffer->resource, WL_BUFFER_RELEASE);
 }
 
 MetaWaylandBuffer *
@@ -74,7 +79,7 @@ meta_wayland_buffer_from_resource (struct wl_resource *resource)
     }
   else
     {
-      buffer = g_slice_new0 (MetaWaylandBuffer);
+      buffer = g_object_new (META_TYPE_WAYLAND_BUFFER, NULL);
 
       buffer->resource = resource;
       wl_signal_init (&buffer->destroy_signal);
@@ -93,6 +98,9 @@ meta_wayland_buffer_ensure_texture (MetaWaylandBuffer *buffer)
   CoglTexture *texture;
   struct wl_shm_buffer *shm_buffer;
 
+  g_return_val_if_fail (buffer->use_count != 0, NULL);
+  g_return_val_if_fail (buffer->resource, NULL);
+
   if (buffer->texture)
     goto out;
 
@@ -126,6 +134,8 @@ meta_wayland_buffer_process_damage (MetaWaylandBuffer *buffer,
 {
   struct wl_shm_buffer *shm_buffer;
 
+  g_return_if_fail (buffer->use_count != 0);
+
   shm_buffer = wl_shm_buffer_get (buffer->resource);
 
   if (shm_buffer)
@@ -149,3 +159,26 @@ meta_wayland_buffer_process_damage (MetaWaylandBuffer *buffer,
       wl_shm_buffer_end_access (shm_buffer);
     }
 }
+
+static void
+meta_wayland_buffer_finalize (GObject *object)
+{
+  MetaWaylandBuffer *buffer = META_WAYLAND_BUFFER (object);
+
+  g_clear_pointer (&buffer->texture, cogl_object_unref);
+
+  G_OBJECT_CLASS (meta_wayland_buffer_parent_class)->finalize (object);
+}
+
+static void
+meta_wayland_buffer_init (MetaWaylandBuffer *buffer)
+{
+}
+
+static void
+meta_wayland_buffer_class_init (MetaWaylandBufferClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = meta_wayland_buffer_finalize;
+}

src/wayland/meta-wayland-buffer.h

@@ -33,17 +33,23 @@
 
 struct _MetaWaylandBuffer
 {
+  GObject parent;
+
   struct wl_resource *resource;
   struct wl_signal destroy_signal;
   struct wl_listener destroy_listener;
 
   CoglTexture *texture;
-  uint32_t ref_count;
+  uint32_t use_count;
 };
 
+#define META_TYPE_WAYLAND_BUFFER (meta_wayland_buffer_get_type ())
+G_DECLARE_FINAL_TYPE (MetaWaylandBuffer, meta_wayland_buffer,
+                      META, WAYLAND_BUFFER, GObject);
+
 MetaWaylandBuffer *     meta_wayland_buffer_from_resource       (struct wl_resource    *resource);
-void                    meta_wayland_buffer_ref                 (MetaWaylandBuffer     *buffer);
-void                    meta_wayland_buffer_unref               (MetaWaylandBuffer     *buffer);
+void                    meta_wayland_buffer_ref_use_count       (MetaWaylandBuffer     *buffer);
+void                    meta_wayland_buffer_unref_use_count     (MetaWaylandBuffer     *buffer);
 CoglTexture *           meta_wayland_buffer_ensure_texture      (MetaWaylandBuffer     *buffer);
 void                    meta_wayland_buffer_process_damage      (MetaWaylandBuffer     *buffer,
                                                                  cairo_region_t        *region);

src/wayland/meta-wayland-data-device-private.h

@@ -31,4 +31,10 @@ G_DECLARE_FINAL_TYPE (MetaWaylandDataSourceWayland,
                       META, WAYLAND_DATA_SOURCE_WAYLAND,
                       MetaWaylandDataSource);
 
+#define META_TYPE_WAYLAND_DATA_SOURCE_PRIMARY (meta_wayland_data_source_primary_get_type ())
+G_DECLARE_FINAL_TYPE (MetaWaylandDataSourcePrimary,
+                      meta_wayland_data_source_primary,
+                      META, WAYLAND_DATA_SOURCE_PRIMARY,
+                      MetaWaylandDataSourceWayland);
+
 #endif /* META_WAYLAND_DATA_DEVICE_PRIVATE_H */

src/wayland/meta-wayland-data-device.h

@@ -45,23 +45,31 @@ struct _MetaWaylandDataSourceClass
   void (* target)  (MetaWaylandDataSource *source,
                     const gchar           *mime_type);
   void (* cancel)  (MetaWaylandDataSource *source);
+
+  void (* action)         (MetaWaylandDataSource *source,
+                           uint32_t               action);
+  void (* drop_performed) (MetaWaylandDataSource *source);
+  void (* drag_finished)  (MetaWaylandDataSource *source);
 };
 
 struct _MetaWaylandDataDevice
 {
   uint32_t selection_serial;
+  uint32_t primary_serial;
   MetaWaylandDataSource *selection_data_source;
   MetaWaylandDataSource *dnd_data_source;
+  MetaWaylandDataSource *primary_data_source;
   struct wl_listener selection_data_source_listener;
   struct wl_list resource_list;
+  struct wl_list primary_resource_list;
   MetaWaylandDragGrab *current_grab;
+  struct wl_client *focus_client;
 
   struct wl_signal selection_ownership_signal;
   struct wl_signal dnd_ownership_signal;
+  struct wl_signal primary_ownership_signal;
 };
 
-GType meta_wayland_data_source_get_type (void) G_GNUC_CONST;
-
 void meta_wayland_data_device_manager_init (MetaWaylandCompositor *compositor);
 
 void meta_wayland_data_device_init (MetaWaylandDataDevice *data_device);
@@ -70,13 +78,15 @@ void meta_wayland_data_device_set_keyboard_focus (MetaWaylandDataDevice *data_de
 
 gboolean meta_wayland_data_device_is_dnd_surface (MetaWaylandDataDevice *data_device,
                                                   MetaWaylandSurface    *surface);
-void meta_wayland_data_device_update_dnd_surface (MetaWaylandDataDevice *data_device);
 
 void meta_wayland_data_device_set_dnd_source     (MetaWaylandDataDevice *data_device,
                                                   MetaWaylandDataSource *source);
 void meta_wayland_data_device_set_selection      (MetaWaylandDataDevice *data_device,
                                                   MetaWaylandDataSource *source,
                                                   guint32 serial);
+void meta_wayland_data_device_set_primary        (MetaWaylandDataDevice *data_device,
+                                                  MetaWaylandDataSource *source,
+                                                  guint32                serial);
 
 gboolean meta_wayland_data_source_add_mime_type  (MetaWaylandDataSource *source,
                                                   const gchar           *mime_type);
@@ -96,6 +106,17 @@ void     meta_wayland_data_source_send           (MetaWaylandDataSource *source,
                                                   const gchar           *mime_type,
                                                   gint                   fd);
 
+void     meta_wayland_data_source_notify_finish  (MetaWaylandDataSource *source);
+
+uint32_t meta_wayland_data_source_get_actions        (MetaWaylandDataSource *source);
+uint32_t meta_wayland_data_source_get_user_action    (MetaWaylandDataSource *source);
+uint32_t meta_wayland_data_source_get_current_action (MetaWaylandDataSource *source);
+
+void     meta_wayland_data_source_set_actions        (MetaWaylandDataSource *source,
+                                                      uint32_t               dnd_actions);
+void     meta_wayland_data_source_set_current_action (MetaWaylandDataSource *source,
+                                                      uint32_t               action);
+
 const MetaWaylandDragDestFuncs *
          meta_wayland_data_device_get_drag_dest_funcs (void);
 

src/wayland/meta-wayland-keyboard.c

@@ -56,13 +56,19 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/mman.h>
+#include <clutter/evdev/clutter-evdev.h>
 
 #include "backends/meta-backend-private.h"
 
 #include "meta-wayland-private.h"
 
+#ifdef HAVE_NATIVE_BACKEND
+#include "backends/native/meta-backend-native.h"
+#endif
+
 static void meta_wayland_keyboard_update_xkb_state (MetaWaylandKeyboard *keyboard);
 static void notify_modifiers (MetaWaylandKeyboard *keyboard);
+static guint evdev_code (const ClutterKeyEvent *event);
 
 static void
 unbind_resource (struct wl_resource *resource)
@@ -240,8 +246,10 @@ keyboard_handle_focus_surface_destroy (struct wl_listener *listener, void *data)
 }
 
 static gboolean
-notify_key (MetaWaylandKeyboard *keyboard,
-            uint32_t time, uint32_t key, uint32_t state)
+meta_wayland_keyboard_broadcast_key (MetaWaylandKeyboard *keyboard,
+                                     uint32_t             time,
+                                     uint32_t             key,
+                                     uint32_t             state)
 {
   struct wl_resource *resource;
   struct wl_list *l;
@@ -251,11 +259,12 @@ notify_key (MetaWaylandKeyboard *keyboard,
     {
       struct wl_client *client = wl_resource_get_client (keyboard->focus_surface->resource);
       struct wl_display *display = wl_client_get_display (client);
-      uint32_t serial = wl_display_next_serial (display);
+
+      keyboard->key_serial = wl_display_next_serial (display);
 
       wl_resource_for_each (resource, l)
         {
-          wl_keyboard_send_key (resource, serial, time, key, state);
+          wl_keyboard_send_key (resource, keyboard->key_serial, time, key, state);
         }
     }
 
@@ -263,8 +272,15 @@ notify_key (MetaWaylandKeyboard *keyboard,
   return (keyboard->focus_surface != NULL);
 }
 
+static gboolean
+notify_key (MetaWaylandKeyboard *keyboard,
+            const ClutterEvent  *event)
+{
+  return keyboard->grab->interface->key (keyboard->grab, event);
+}
+
 static void
-notify_modifiers (MetaWaylandKeyboard *keyboard)
+meta_wayland_keyboard_broadcast_modifiers (MetaWaylandKeyboard *keyboard)
 {
   struct xkb_state *state;
   struct wl_resource *resource;
@@ -289,6 +305,16 @@ notify_modifiers (MetaWaylandKeyboard *keyboard)
     }
 }
 
+static void
+notify_modifiers (MetaWaylandKeyboard *keyboard)
+{
+  struct xkb_state *state;
+
+  state = keyboard->xkb_info.state;
+  keyboard->grab->interface->modifiers (keyboard->grab,
+                                        xkb_state_serialize_mods (state, XKB_STATE_MODS_EFFECTIVE));
+}
+
 static void
 meta_wayland_keyboard_update_xkb_state (MetaWaylandKeyboard *keyboard)
 {
@@ -368,6 +394,45 @@ settings_changed (GSettings           *settings,
   notify_key_repeat (keyboard);
 }
 
+static gboolean
+default_grab_key (MetaWaylandKeyboardGrab *grab,
+                  const ClutterEvent      *event)
+{
+  MetaWaylandKeyboard *keyboard = grab->keyboard;
+  gboolean is_press = event->type == CLUTTER_KEY_PRESS;
+  guint32 code;
+#ifdef HAVE_NATIVE_BACKEND
+  MetaBackend *backend = meta_get_backend ();
+#endif
+
+  /* Synthetic key events are for autorepeat. Ignore those, as
+   * autorepeat in Wayland is done on the client side. */
+  if (event->key.flags & CLUTTER_EVENT_FLAG_SYNTHETIC)
+    return FALSE;
+
+#ifdef HAVE_NATIVE_BACKEND
+  if (META_IS_BACKEND_NATIVE (backend))
+    code = clutter_evdev_event_get_event_code (event);
+  else
+#endif
+    code = evdev_code (&event->key);
+
+  return meta_wayland_keyboard_broadcast_key (keyboard, event->key.time,
+                                              code, is_press);
+}
+
+static void
+default_grab_modifiers (MetaWaylandKeyboardGrab *grab,
+                        ClutterModifierType      modifiers)
+{
+  meta_wayland_keyboard_broadcast_modifiers (grab->keyboard);
+}
+
+static const MetaWaylandKeyboardGrabInterface default_keyboard_grab_interface = {
+  default_grab_key,
+  default_grab_modifiers
+};
+
 void
 meta_wayland_keyboard_init (MetaWaylandKeyboard *keyboard,
                             struct wl_display   *display)
@@ -385,6 +450,10 @@ meta_wayland_keyboard_init (MetaWaylandKeyboard *keyboard,
 
   keyboard->xkb_info.keymap_fd = -1;
 
+  keyboard->default_grab.interface = &default_keyboard_grab_interface;
+  keyboard->default_grab.keyboard = keyboard;
+  keyboard->grab = &keyboard->default_grab;
+
   keyboard->settings = g_settings_new ("org.gnome.desktop.peripherals.keyboard");
   g_signal_connect (keyboard->settings, "changed",
                     G_CALLBACK (settings_changed), keyboard);
@@ -461,7 +530,7 @@ meta_wayland_keyboard_handle_event (MetaWaylandKeyboard *keyboard,
 		is_press ? "press" : "release",
 		event->hardware_keycode);
 
-  handled = notify_key (keyboard, event->time, evdev_code (event), is_press);
+  handled = notify_key (keyboard, (const ClutterEvent *) event);
 
   if (handled)
     meta_verbose ("Sent event to wayland client\n");
@@ -477,6 +546,34 @@ meta_wayland_keyboard_handle_event (MetaWaylandKeyboard *keyboard,
   return handled;
 }
 
+void
+meta_wayland_keyboard_update_key_state (MetaWaylandKeyboard *keyboard,
+                                        char                *key_vector,
+                                        int                  key_vector_len,
+                                        int                  offset)
+{
+  gboolean mods_changed = FALSE;
+
+  int i;
+  for (i = offset; i < key_vector_len * 8; i++)
+    {
+      gboolean set = (key_vector[i/8] & (1 << (i % 8))) != 0;
+
+      /* The 'offset' parameter allows the caller to have the indices
+       * into key_vector to either be X-style (base 8) or evdev (base 0), or
+       * something else (unlikely). We subtract 'offset' to convert to evdev
+       * style, then add 8 to convert the "evdev" style keycode back to
+       * the X-style that xkbcommon expects.
+       */
+      mods_changed |= xkb_state_update_key (keyboard->xkb_info.state,
+                                            i - offset + 8,
+                                            set ? XKB_KEY_DOWN : XKB_KEY_UP);
+    }
+
+  if (mods_changed)
+    notify_modifiers (keyboard);
+}
+
 static void
 move_resources (struct wl_list *destination, struct wl_list *source)
 {
@@ -644,3 +741,25 @@ meta_wayland_keyboard_create_new_resource (MetaWaylandKeyboard *keyboard,
       wl_list_insert (&keyboard->resource_list, wl_resource_get_link (cr));
     }
 }
+
+gboolean
+meta_wayland_keyboard_can_popup (MetaWaylandKeyboard *keyboard,
+                                 uint32_t             serial)
+{
+  return keyboard->key_serial == serial;
+}
+
+void
+meta_wayland_keyboard_start_grab (MetaWaylandKeyboard     *keyboard,
+                                  MetaWaylandKeyboardGrab *grab)
+{
+  meta_wayland_keyboard_set_focus (keyboard, NULL);
+  keyboard->grab = grab;
+  grab->keyboard = keyboard;
+}
+
+void
+meta_wayland_keyboard_end_grab (MetaWaylandKeyboard *keyboard)
+{
+  keyboard->grab = &keyboard->default_grab;
+}

src/wayland/meta-wayland-keyboard.h

@@ -49,6 +49,20 @@
 #include <wayland-server.h>
 #include <xkbcommon/xkbcommon.h>
 
+struct _MetaWaylandKeyboardGrabInterface
+{
+  gboolean (*key)       (MetaWaylandKeyboardGrab *grab,
+                         const ClutterEvent      *event);
+  void     (*modifiers) (MetaWaylandKeyboardGrab *grab,
+                         ClutterModifierType      modifiers);
+};
+
+struct _MetaWaylandKeyboardGrab
+{
+  const MetaWaylandKeyboardGrabInterface *interface;
+  MetaWaylandKeyboard *keyboard;
+};
+
 typedef struct
 {
   struct xkb_keymap *keymap;
@@ -68,10 +82,14 @@ struct _MetaWaylandKeyboard
   MetaWaylandSurface *focus_surface;
   struct wl_listener focus_surface_listener;
   uint32_t focus_serial;
+  uint32_t key_serial;
 
   MetaWaylandXkbInfo xkb_info;
   enum xkb_state_component mods_changed;
 
+  MetaWaylandKeyboardGrab *grab;
+  MetaWaylandKeyboardGrab default_grab;
+
   GSettings *settings;
 };
 
@@ -85,6 +103,10 @@ void meta_wayland_keyboard_update (MetaWaylandKeyboard *keyboard,
 
 gboolean meta_wayland_keyboard_handle_event (MetaWaylandKeyboard *keyboard,
                                              const ClutterKeyEvent *event);
+void meta_wayland_keyboard_update_key_state (MetaWaylandKeyboard *compositor,
+                                             char                *key_vector,
+                                             int                  key_vector_len,
+                                             int                  offset);
 
 void meta_wayland_keyboard_set_focus (MetaWaylandKeyboard *keyboard,
                                       MetaWaylandSurface *surface);
@@ -96,4 +118,11 @@ void meta_wayland_keyboard_create_new_resource (MetaWaylandKeyboard *keyboard,
                                                 struct wl_resource  *seat_resource,
                                                 uint32_t id);
 
+gboolean meta_wayland_keyboard_can_popup (MetaWaylandKeyboard *keyboard,
+                                          uint32_t             serial);
+
+void meta_wayland_keyboard_start_grab (MetaWaylandKeyboard     *keyboard,
+                                       MetaWaylandKeyboardGrab *grab);
+void meta_wayland_keyboard_end_grab   (MetaWaylandKeyboard     *keyboard);
+
 #endif /* META_WAYLAND_KEYBOARD_H */