backends: Compare gpu/crtc/output configurations before applying

This spares us from visible flickering whenever an unchanged configuration
is reapplied, eg. after lid open. The code in the X11 paths that did the
same comparisons has been removed in favor of the generic checks.

https://bugzilla.gnome.org/show_bug.cgi?id=791879

clutter/clutter/clutter-device-manager-private.h

@@ -210,6 +210,8 @@ ClutterBackend *_clutter_device_manager_get_backend             (ClutterDeviceMa
 void            _clutter_device_manager_compress_motion         (ClutterDeviceManager *device_manger,
                                                                  ClutterEvent         *event,
                                                                  const ClutterEvent   *to_discard);
+CLUTTER_EXPORT
+void            clutter_device_manager_ensure_a11y_state        (ClutterDeviceManager *device_manager);
 
 /* input device */
 CLUTTER_EXPORT

clutter/clutter/clutter-device-manager.c

@@ -607,6 +607,20 @@ _clutter_device_manager_compress_motion (ClutterDeviceManager *device_manager,
   manager_class->compress_motion (device_manager, event, to_discard);
 }
 
+void
+clutter_device_manager_ensure_a11y_state (ClutterDeviceManager *device_manager)
+{
+  ClutterInputDevice *core_pointer;
+
+  core_pointer = clutter_device_manager_get_core_device (device_manager,
+                                                         CLUTTER_POINTER_DEVICE);
+  if (core_pointer)
+    {
+      if (_clutter_is_input_pointer_a11y_enabled (core_pointer))
+        _clutter_input_pointer_a11y_add_device (core_pointer);
+    }
+}
+
 static gboolean
 are_kbd_a11y_settings_equal (ClutterKbdA11ySettings *a,
                              ClutterKbdA11ySettings *b)

po/cs.po

@@ -12,8 +12,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: mutter\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/mutter/issues\n"
-"POT-Creation-Date: 2019-02-04 17:52+0000\n"
+"POT-Creation-Date: 2019-08-06 00:49+0000\n"
-"PO-Revision-Date: 2019-02-12 14:21+0100\n"
+"PO-Revision-Date: 2019-09-03 22:19+0200\n"
 "Last-Translator: Marek Černocký <marek@manet.cz>\n"
 "Language-Team: čeština <gnome-cs-list@gnome.org>\n"
 "Language: cs\n"
@@ -396,7 +396,10 @@ msgid ""
 "proof. Currently possible keywords: • “scale-monitor-framebuffer” — makes "
 "mutter default to layout logical monitors in a logical pixel coordinate "
 "space, while scaling monitor framebuffers instead of window content, to "
-"manage HiDPI monitors. Does not require a restart."
+"manage HiDPI monitors. Does not require a restart. • “rt-scheduler” — makes "
+"mutter request a low priority real-time scheduling. The executable or user "
+"must have CAP_SYS_NICE. Requires a restart. • “autostart-xwayland” — "
+"initializes Xwayland lazily if there are X11 clients. Requires restart."
 msgstr ""
 "Chcete-li povolit experimentální funkce, přidejte klíčové slovo funkce do "
 "seznamu. Zda funkce vyžaduje restartování kompozitoru, závisí na dané "
@@ -407,21 +410,32 @@ msgstr ""
 "mutter výchozí pro logické uspořádání monitorů v logickém souřadnicovém "
 "prostoru pixelů, zatímco škáluje přímo v grafické vyrovnávací paměti, "
 "namísto v obsahu oken, aby se postaral o správu montorů s HiDPI. Nevyžaduje "
-"restart."
+"restart. • „rt-scheduler“ – zajistí, aby měly požadavky mutter nízkou "
+"prioritu v plánování reálného času. Spustitelný soubor nebo uživatel musí "
+"mít CAP_SYS_NICE. Vyžaduje restart. • „autostart-xwayland“ – inicializuje "
+"Xwayland líněji v situaci, kdy existují klienti X11. Vyžaduje restart."
 
-#: data/org.gnome.mutter.gschema.xml.in:141
+#: data/org.gnome.mutter.gschema.xml.in:134
+msgid "Modifier to use to locate the pointer"
+msgstr "Modifikátor ke zjištění pozice ukazatele"
+
+#: data/org.gnome.mutter.gschema.xml.in:135
+msgid "This key will initiate the “locate pointer” action."
+msgstr "Tato klávesa spustí činnost „zjisti polohu ukazatele“."
+
+#: data/org.gnome.mutter.gschema.xml.in:155
 msgid "Select window from tab popup"
 msgstr "Vybrat okno z překryvné nabídky tabulátoru"
 
-#: data/org.gnome.mutter.gschema.xml.in:146
+#: data/org.gnome.mutter.gschema.xml.in:160
 msgid "Cancel tab popup"
 msgstr "Zrušit překryvné okno tabulátoru"
 
-#: data/org.gnome.mutter.gschema.xml.in:151
+#: data/org.gnome.mutter.gschema.xml.in:165
 msgid "Switch monitor configurations"
 msgstr "Přepnout nastavení monitoru"
 
-#: data/org.gnome.mutter.gschema.xml.in:156
+#: data/org.gnome.mutter.gschema.xml.in:170
 msgid "Rotates the built-in monitor configuration"
 msgstr "Postupně mění vestavěná nastavení monitoru"
 
@@ -478,29 +492,39 @@ msgid "Re-enable shortcuts"
 msgstr "Znovu povolit klávesové zkratky"
 
 #: data/org.gnome.mutter.wayland.gschema.xml.in:64
-msgid "Allow grabs with Xwayland"
+msgid "Allow X11 grabs to lock keyboard focus with Xwayland"
-msgstr "Povolit zachytávání pomocí Xwaylandu"
+msgstr ""
+"Povolit X11 zachytávání, aby mohl zabrat zaměření klávesnice pomocí Xwaylandu"
 
 #: data/org.gnome.mutter.wayland.gschema.xml.in:65
 msgid ""
-"Allow keyboard grabs issued by X11 applications running in Xwayland to be "
+"Allow all keyboard events to be routed to X11 “override redirect” windows "
-"taken into account. For a X11 grab to be taken into account under Wayland, "
+"with a grab when running in Xwayland. This option is to support X11 clients "
-"the client must also either send a specific X11 ClientMessage to the root "
+"which map an “override redirect” window (which do not receive keyboard "
-"window or be among the applications white-listed in key “xwayland-grab-"
+"focus) and issue a keyboard grab to force all keyboard events to that "
-"access-rules”."
+"window. This option is seldom used and has no effect on regular X11 windows "
+"which can receive keyboard focus under normal circumstances. For a X11 grab "
+"to be taken into account under Wayland, the client must also either send a "
+"specific X11 ClientMessage to the root window or be among the applications "
+"white-listed in key “xwayland-grab-access-rules”."
 msgstr ""
-"Povolit, aby bylo bráno v úvahu zachytávání kláves, o které se stará "
+"Umožňujs směrovat všechny události klávesnice do oken X11 typu „přebytí "
-"aplikace X11 běžící v Xwaylandu. Aby bylo pod Waylandem zachytávání bráno v "
+"přesměrování“ pomocí zachytávání při běhu Xwaylandu. Tato volba je určena pro "
+"podporu klientů X11, kteří mapují okna „přebytí přesměrování“ (která "
+"nepřijímají zaměření klávesnice) a vynucuje zachytávání klávesnice zasílat "
+"všechny události klávesnice do těchto oken. Tato volba je využívána jen "
+"zřídka a nemá žádný vliv na běžná okna X11, která mohou přijímat zaměření "
+"klávesnice za normálních podmínek. Aby bylo pod Waylandem zachytávání bráno v "
 "úvahu, musí klient navíc buď poslat specifickou zprávu X11 ClientMessage do "
 "kořenového okna, nebo být mezi aplikacemi na bílé listině v klíči „xwayland-"
 "grab-access-rules“."
 
-#: data/org.gnome.mutter.wayland.gschema.xml.in:77
+#: data/org.gnome.mutter.wayland.gschema.xml.in:84
 msgid "Xwayland applications allowed to issue keyboard grabs"
 msgstr ""
 "Aplikace pod Xwaylandem mají povoleno se starat o zachytávání klávesnice"
 
-#: data/org.gnome.mutter.wayland.gschema.xml.in:78
+#: data/org.gnome.mutter.wayland.gschema.xml.in:85
 msgid ""
 "List the resource names or resource class of X11 windows either allowed or "
 "not allowed to issue X11 keyboard grabs under Xwayland. The resource name or "
@@ -527,7 +551,7 @@ msgstr ""
 #. TRANSLATORS: This string refers to a button that switches between
 #. * different modes.
 #.
-#: src/backends/meta-input-settings.c:2423
+#: src/backends/meta-input-settings.c:2531
 #, c-format
 msgid "Mode Switch (Group %d)"
 msgstr "Přepínač režimu (skupina %d)"
@@ -535,34 +559,34 @@ msgstr "Přepínač režimu (skupina %d)"
 #. TRANSLATORS: This string refers to an action, cycles drawing tablets'
 #. * mapping through the available outputs.
 #.
-#: src/backends/meta-input-settings.c:2446
+#: src/backends/meta-input-settings.c:2554
 msgid "Switch monitor"
 msgstr "Přepnout monitor"
 
-#: src/backends/meta-input-settings.c:2448
+#: src/backends/meta-input-settings.c:2556
 msgid "Show on-screen help"
 msgstr "Zobrazit nápovědu na obrazovce"
 
-#: src/backends/meta-monitor-manager.c:954
+#: src/backends/meta-monitor.c:223
 msgid "Built-in display"
 msgstr "Vestavěný displej"
 
-#: src/backends/meta-monitor-manager.c:986
+#: src/backends/meta-monitor.c:252
 msgid "Unknown"
 msgstr "Neznámý"
 
-#: src/backends/meta-monitor-manager.c:988
+#: src/backends/meta-monitor.c:254
 msgid "Unknown Display"
 msgstr "Neznámý displej"
 
-#: src/backends/meta-monitor-manager.c:996
+#: src/backends/meta-monitor.c:262
 #, c-format
 msgctxt ""
 "This is a monitor vendor name, followed by a size in inches, like 'Dell 15\"'"
 msgid "%s %s"
 msgstr "%s %s"
 
-#: src/backends/meta-monitor-manager.c:1004
+#: src/backends/meta-monitor.c:270
 #, c-format
 msgctxt ""
 "This is a monitor vendor name followed by product/model name where size in "
@@ -570,15 +594,20 @@ msgctxt ""
 msgid "%s %s"
 msgstr "%s %s"
 
+#. Translators: this string will appear in Sysprof
+#: src/backends/meta-profiler.c:82
+msgid "Compositor"
+msgstr "Kompozitor"
+
 #. This probably means that a non-WM compositor like xcompmgr is running;
 #. * we have no way to get it to exit
-#: src/compositor/compositor.c:482
+#: src/compositor/compositor.c:510
 #, c-format
 msgid ""
 "Another compositing manager is already running on screen %i on display “%s”."
 msgstr "Jiný kompozitní správce již běží na obrazovce %i displeje „%s“."
 
-#: src/core/bell.c:252
+#: src/core/bell.c:192
 msgid "Bell event"
 msgstr "Událost zvonku"
 
@@ -627,16 +656,16 @@ msgid "Run with X11 backend"
 msgstr "Spustit se serverem X11"
 
 #. Translators: %s is a window title
-#: src/core/meta-close-dialog-default.c:150
+#: src/core/meta-close-dialog-default.c:151
 #, c-format
 msgid "“%s” is not responding."
 msgstr "„%s“ nereaguje."
 
-#: src/core/meta-close-dialog-default.c:152
+#: src/core/meta-close-dialog-default.c:153
 msgid "Application is not responding."
 msgstr "Aplikace nereaguje."
 
-#: src/core/meta-close-dialog-default.c:157
+#: src/core/meta-close-dialog-default.c:158
 msgid ""
 "You may choose to wait a short while for it to continue or force the "
 "application to quit entirely."
@@ -644,11 +673,11 @@ msgstr ""
 "Je možné chvíli počkat, aby aplikace mohla pokračovat, nebo si vynutit úplné "
 "ukončení aplikace."
 
-#: src/core/meta-close-dialog-default.c:164
+#: src/core/meta-close-dialog-default.c:165
 msgid "_Force Quit"
 msgstr "_Vynutit ukončení"
 
-#: src/core/meta-close-dialog-default.c:164
+#: src/core/meta-close-dialog-default.c:165
 msgid "_Wait"
 msgstr "_Počkat"
 
@@ -676,7 +705,7 @@ msgstr "Vypsat verzi"
 msgid "Mutter plugin to use"
 msgstr "Zásuvný modul Mutter, který se má použít"
 
-#: src/core/prefs.c:1786
+#: src/core/prefs.c:1849
 #, c-format
 msgid "Workspace %d"
 msgstr "Plocha %d"
@@ -690,7 +719,7 @@ msgstr "Mutter bylo přeloženo bez podpory podrobného režimu\n"
 msgid "Mode Switch: Mode %d"
 msgstr "Přepínač režimu: režim %d"
 
-#: src/x11/meta-x11-display.c:666
+#: src/x11/meta-x11-display.c:671
 #, c-format
 msgid ""
 "Display “%s” already has a window manager; try using the --replace option to "
@@ -699,20 +728,25 @@ msgstr ""
 "Displej „%s“ již správce oken má; zkuste prosím nahradit aktuálního správce "
 "oken pomocí přepínače --replace."
 
-#: src/x11/meta-x11-display.c:1008
+#: src/x11/meta-x11-display.c:1032
 msgid "Failed to initialize GDK\n"
 msgstr "Selhala inicializace GDK\n"
 
-#: src/x11/meta-x11-display.c:1032
+#: src/x11/meta-x11-display.c:1056
 #, c-format
 msgid "Failed to open X Window System display “%s”\n"
 msgstr "Nelze otevřít displej X Window System „%s“\n"
 
-#: src/x11/meta-x11-display.c:1115
+#: src/x11/meta-x11-display.c:1140
 #, c-format
 msgid "Screen %d on display “%s” is invalid\n"
 msgstr "Obrazovka %d na displeji „%s“ je neplatná\n"
 
+#: src/x11/meta-x11-selection-input-stream.c:445
+#, c-format
+msgid "Format %s not supported"
+msgstr "Formát %s není podporován"
+
 #: src/x11/session.c:1821
 msgid ""
 "These windows do not support “save current setup” and will have to be "
@@ -721,7 +755,7 @@ msgstr ""
 "Tato okna nepodporují „uložení aktuálního nastavení“ a po svém příštím "
 "přihlášení je budete muset spustit ručně."
 
-#: src/x11/window-props.c:568
+#: src/x11/window-props.c:569
 #, c-format
 msgid "%s (on %s)"
 msgstr "%s (na %s)"

po/fur.po

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: mutter master\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/mutter/issues\n"
-"POT-Creation-Date: 2019-07-18 21:05+0000\n"
+"POT-Creation-Date: 2019-08-06 00:49+0000\n"
-"PO-Revision-Date: 2019-07-28 10:06+0200\n"
+"PO-Revision-Date: 2019-09-03 09:53+0200\n"
 "Last-Translator: Fabio Tomat <f.t.public@gmail.com>\n"
 "Language-Team: Friulian <fur@li.org>\n"
 "Language: fur\n"
@@ -393,7 +393,8 @@ msgid ""
 "space, while scaling monitor framebuffers instead of window content, to "
 "manage HiDPI monitors. Does not require a restart. • “rt-scheduler” — makes "
 "mutter request a low priority real-time scheduling. The executable or user "
-"must have CAP_SYS_NICE. Requires a restart."
+"must have CAP_SYS_NICE. Requires a restart. • “autostart-xwayland” — "
+"initializes Xwayland lazily if there are X11 clients. Requires restart."
 msgstr ""
 "Par abilitâ lis funzionalitâts sperimentâls, zonte la peraule clâf de "
 "funzionalitât ae liste. Il fat che la funzionalitât e vedi bisugne di tornâ "
@@ -407,29 +408,31 @@ msgstr ""
 "dal barcon; dut chest par gjestî i visôrs HiDPI. Nol covente tornâ a inviâ. "
 "• “rt-scheduler” — al fâs in mût che mutter al domandi une programazion in "
 "timp reâl a prioritât basse. L'eseguibil o l'utent a scugnin vê "
-"CAP_SYS_NICE. Al covente tornâ a inviâ."
+"CAP_SYS_NICE. Al covente tornâ a inviâ. • “autostart-xwayland” — al "
+"inizialize Xwayland in maniere sflacjose se a son presints clients X11. Al "
+"covente tornâ a inviâ."
 
-#: data/org.gnome.mutter.gschema.xml.in:132
+#: data/org.gnome.mutter.gschema.xml.in:134
 msgid "Modifier to use to locate the pointer"
 msgstr "Modificadôr di doprâ par localizâ il pontadôr"
 
-#: data/org.gnome.mutter.gschema.xml.in:133
+#: data/org.gnome.mutter.gschema.xml.in:135
 msgid "This key will initiate the “locate pointer” action."
 msgstr "Cheste clâf e inizializerâ la azion “localize pontadôr”."
 
-#: data/org.gnome.mutter.gschema.xml.in:153
+#: data/org.gnome.mutter.gschema.xml.in:155
 msgid "Select window from tab popup"
 msgstr "Selezione barcon dal tab popup"
 
-#: data/org.gnome.mutter.gschema.xml.in:158
+#: data/org.gnome.mutter.gschema.xml.in:160
 msgid "Cancel tab popup"
 msgstr "Anule tab popup"
 
-#: data/org.gnome.mutter.gschema.xml.in:163
+#: data/org.gnome.mutter.gschema.xml.in:165
 msgid "Switch monitor configurations"
 msgstr "Cambie configurazions visôr"
 
-#: data/org.gnome.mutter.gschema.xml.in:168
+#: data/org.gnome.mutter.gschema.xml.in:170
 msgid "Rotates the built-in monitor configuration"
 msgstr "Al volte la configurazion dal visôr integrât"
 
@@ -712,7 +715,7 @@ msgstr "Mutter al è stât compilât cence supuart pe modalitât fetose\n"
 msgid "Mode Switch: Mode %d"
 msgstr "Cambie mût: mût %d"
 
-#: src/x11/meta-x11-display.c:682
+#: src/x11/meta-x11-display.c:671
 #, c-format
 msgid ""
 "Display “%s” already has a window manager; try using the --replace option to "
@@ -721,16 +724,16 @@ msgstr ""
 "Il display “%s” al à za un window manager; prove dopre la opzion --replace "
 "par rimplaçâ chel atuâl."
 
-#: src/x11/meta-x11-display.c:1024
+#: src/x11/meta-x11-display.c:1032
 msgid "Failed to initialize GDK\n"
 msgstr "No si è rivâts a inizializâ GDK\n"
 
-#: src/x11/meta-x11-display.c:1048
+#: src/x11/meta-x11-display.c:1056
 #, c-format
 msgid "Failed to open X Window System display “%s”\n"
 msgstr "Impussibil vierzi il display “%s” di X Window System\n"
 
-#: src/x11/meta-x11-display.c:1132
+#: src/x11/meta-x11-display.c:1140
 #, c-format
 msgid "Screen %d on display “%s” is invalid\n"
 msgstr "Schermi %d su display “%s” no valit\n"

po/hr.po

@@ -5,9 +5,9 @@ msgid ""
 msgstr ""
 "Project-Id-Version: metacity 0\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/mutter/issues\n"
-"POT-Creation-Date: 2019-06-20 08:28+0000\n"
+"POT-Creation-Date: 2019-08-06 00:49+0000\n"
-"PO-Revision-Date: 2019-06-22 18:00+0200\n"
+"PO-Revision-Date: 2019-09-03 18:00+0200\n"
-"Last-Translator: gogo <trebelnik2@gmail.com>\n"
+"Last-Translator: gogo <linux.hr@protonmail.com>\n"
 "Language-Team: Croatian <lokalizacija@linux.hr>\n"
 "Language: hr\n"
 "MIME-Version: 1.0\n"
@@ -392,7 +392,8 @@ msgid ""
 "space, while scaling monitor framebuffers instead of window content, to "
 "manage HiDPI monitors. Does not require a restart. • “rt-scheduler” — makes "
 "mutter request a low priority real-time scheduling. The executable or user "
-"must have CAP_SYS_NICE. Requires a restart."
+"must have CAP_SYS_NICE. Requires a restart. • “autostart-xwayland” — "
+"initializes Xwayland lazily if there are X11 clients. Requires restart."
 msgstr ""
 "Za omogućavanje eksperimentalnih značajki, dodajte ključnu riječ značajke na "
 "popis. Zahtijeva li značajka ponovno pokretanje kompozitora ovisi o zadanoj "
@@ -405,29 +406,30 @@ msgstr ""
 "zaslonima visoke razlučivosti. Ne zahtijeva ponovno pokretanje. • “rt-"
 "scheduler” — čini zahtjeve muttera zakazanima u niskom prioritetu i "
 "stvaranom vremenu. Izvršitelj ili korisnik mora imati CAP_SYS_NICE. "
-"Zahtijeva ponovno pokretanje."
+"Zahtijeva ponovno pokretanje. • “autostart-xwayland” — pokreće Xwayland "
+"lijeno ako je dostupan X11 klijent. Zahtijeva ponovno pokretanje."
 
-#: data/org.gnome.mutter.gschema.xml.in:132
+#: data/org.gnome.mutter.gschema.xml.in:134
 msgid "Modifier to use to locate the pointer"
 msgstr "Izmjenjivač za korištenje lociranja pokazivača"
 
-#: data/org.gnome.mutter.gschema.xml.in:133
+#: data/org.gnome.mutter.gschema.xml.in:135
 msgid "This key will initiate the “locate pointer” action."
 msgstr "Ova tipka će pokrenuti “lociraj pokazivač” radnju."
 
-#: data/org.gnome.mutter.gschema.xml.in:153
+#: data/org.gnome.mutter.gschema.xml.in:155
 msgid "Select window from tab popup"
 msgstr "Odaberi prozor iz skočnog prozora"
 
-#: data/org.gnome.mutter.gschema.xml.in:158
+#: data/org.gnome.mutter.gschema.xml.in:160
 msgid "Cancel tab popup"
 msgstr "Prekini skočni prozor"
 
-#: data/org.gnome.mutter.gschema.xml.in:163
+#: data/org.gnome.mutter.gschema.xml.in:165
 msgid "Switch monitor configurations"
 msgstr "Prebacivanje podešavanja zaslona"
 
-#: data/org.gnome.mutter.gschema.xml.in:168
+#: data/org.gnome.mutter.gschema.xml.in:170
 msgid "Rotates the built-in monitor configuration"
 msgstr "Rotiraj ugrađeno podešavanje zaslona"
 
@@ -540,7 +542,7 @@ msgstr ""
 #. TRANSLATORS: This string refers to a button that switches between
 #. * different modes.
 #.
-#: src/backends/meta-input-settings.c:2529
+#: src/backends/meta-input-settings.c:2531
 #, c-format
 msgid "Mode Switch (Group %d)"
 msgstr "Način prebacivanja (Grupa %d)"
@@ -548,34 +550,34 @@ msgstr "Način prebacivanja (Grupa %d)"
 #. TRANSLATORS: This string refers to an action, cycles drawing tablets'
 #. * mapping through the available outputs.
 #.
-#: src/backends/meta-input-settings.c:2552
+#: src/backends/meta-input-settings.c:2554
 msgid "Switch monitor"
 msgstr "Prebaci zaslon"
 
-#: src/backends/meta-input-settings.c:2554
+#: src/backends/meta-input-settings.c:2556
 msgid "Show on-screen help"
 msgstr "Prikaži zaslonsku pomoć"
 
-#: src/backends/meta-monitor-manager.c:976
+#: src/backends/meta-monitor.c:223
 msgid "Built-in display"
 msgstr "Ugrađeni zaslon"
 
-#: src/backends/meta-monitor-manager.c:1008
+#: src/backends/meta-monitor.c:252
 msgid "Unknown"
 msgstr "Nepoznat"
 
-#: src/backends/meta-monitor-manager.c:1010
+#: src/backends/meta-monitor.c:254
 msgid "Unknown Display"
 msgstr "Nepoznat zaslon"
 
-#: src/backends/meta-monitor-manager.c:1018
+#: src/backends/meta-monitor.c:262
 #, c-format
 msgctxt ""
 "This is a monitor vendor name, followed by a size in inches, like 'Dell 15\"'"
 msgid "%s %s"
 msgstr "%s %s"
 
-#: src/backends/meta-monitor-manager.c:1026
+#: src/backends/meta-monitor.c:270
 #, c-format
 msgctxt ""
 "This is a monitor vendor name followed by product/model name where size in "
@@ -694,7 +696,7 @@ msgstr "Inačica za ispis"
 msgid "Mutter plugin to use"
 msgstr "Mutter priključak koji se koristi"
 
-#: src/core/prefs.c:1834
+#: src/core/prefs.c:1849
 #, c-format
 msgid "Workspace %d"
 msgstr "Radni prostor %d"
@@ -708,7 +710,7 @@ msgstr "Mutter je kompiliran bez podrške za opširan način rada\n"
 msgid "Mode Switch: Mode %d"
 msgstr "Način prebacivanja: Način %d"
 
-#: src/x11/meta-x11-display.c:681
+#: src/x11/meta-x11-display.c:671
 #, c-format
 msgid ""
 "Display “%s” already has a window manager; try using the --replace option to "
@@ -717,16 +719,16 @@ msgstr ""
 "Prikaz \"%s\" već ima upravitelja prozora; pokušajte koristiti --replace "
 "mogućnost za zamjenu trenutnog upravitelja prozora."
 
-#: src/x11/meta-x11-display.c:1023
+#: src/x11/meta-x11-display.c:1032
 msgid "Failed to initialize GDK\n"
 msgstr "Neuspjelo GDK pokretanje\n"
 
-#: src/x11/meta-x11-display.c:1047
+#: src/x11/meta-x11-display.c:1056
 #, c-format
 msgid "Failed to open X Window System display “%s”\n"
 msgstr "Neuspjelo otvaranje sustava prikaza X prozora \"%s\"\n"
 
-#: src/x11/meta-x11-display.c:1131
+#: src/x11/meta-x11-display.c:1140
 #, c-format
 msgid "Screen %d on display “%s” is invalid\n"
 msgstr "Zaslon %d na prikazu '%s' je neispravan\n"

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

@@ -388,4 +388,10 @@ gboolean meta_monitor_has_aspect_as_size (MetaMonitor *monitor);
 char * meta_monitor_manager_get_vendor_name (MetaMonitorManager *manager,
                                              const char         *vendor);
 
+gboolean meta_monitor_manager_get_has_changed (MetaMonitorManager  *manager,
+                                               MetaCrtcInfo       **crtc_infos,
+                                               unsigned int         n_crtc_infos,
+                                               MetaOutputInfo     **output_infos,
+                                               unsigned int         n_output_infos);
+
 #endif /* META_MONITOR_MANAGER_PRIVATE_H */

src/backends/meta-monitor-manager.c

@@ -483,6 +483,158 @@ meta_monitor_manager_ensure_initial_config (MetaMonitorManager *manager)
   META_MONITOR_MANAGER_GET_CLASS (manager)->ensure_initial_config (manager);
 }
 
+static gboolean
+is_crtc_assignment_changed (MetaCrtc      *crtc,
+                            MetaCrtcInfo **crtc_infos,
+                            unsigned int   n_crtc_infos)
+{
+  unsigned int i;
+
+  for (i = 0; i < n_crtc_infos; i++)
+    {
+      MetaCrtcInfo *crtc_info = crtc_infos[i];
+      unsigned int j;
+
+      if (crtc_info->crtc != crtc)
+        continue;
+
+      if (crtc->current_mode != crtc_info->mode)
+        return TRUE;
+
+      if (crtc->rect.x != crtc_info->x)
+        return TRUE;
+
+      if (crtc->rect.y != crtc_info->y)
+        return TRUE;
+
+      if (crtc->transform != crtc_info->transform)
+        return TRUE;
+
+      for (j = 0; j < crtc_info->outputs->len; j++)
+        {
+          MetaOutput *output = ((MetaOutput**) crtc_info->outputs->pdata)[j];
+          MetaCrtc *assigned_crtc;
+
+          assigned_crtc = meta_output_get_assigned_crtc (output);
+          if (assigned_crtc != crtc)
+            return TRUE;
+        }
+
+      return FALSE;
+    }
+
+  return crtc->current_mode != NULL;
+}
+
+static gboolean
+is_output_assignment_changed (MetaOutput      *output,
+                              MetaCrtcInfo   **crtc_infos,
+                              unsigned int     n_crtc_infos,
+                              MetaOutputInfo **output_infos,
+                              unsigned int     n_output_infos)
+{
+  MetaCrtc *assigned_crtc;
+  gboolean output_is_found = FALSE;
+  unsigned int i;
+
+  for (i = 0; i < n_output_infos; i++)
+    {
+      MetaOutputInfo *output_info = output_infos[i];
+
+      if (output_info->output != output)
+        continue;
+
+      if (output->is_primary != output_info->is_primary)
+        return TRUE;
+
+      if (output->is_presentation != output_info->is_presentation)
+        return TRUE;
+
+      if (output->is_underscanning != output_info->is_underscanning)
+        return TRUE;
+
+      output_is_found = TRUE;
+    }
+
+  assigned_crtc = meta_output_get_assigned_crtc (output);
+
+  if (!output_is_found)
+    return assigned_crtc != NULL;
+
+  for (i = 0; i < n_crtc_infos; i++)
+    {
+      MetaCrtcInfo *crtc_info = crtc_infos[i];
+      unsigned int j;
+
+      for (j = 0; j < crtc_info->outputs->len; j++)
+        {
+          MetaOutput *crtc_info_output =
+            ((MetaOutput**) crtc_info->outputs->pdata)[j];
+
+          if (crtc_info_output == output &&
+              crtc_info->crtc == assigned_crtc)
+            return FALSE;
+        }
+    }
+
+  return TRUE;
+}
+
+static gboolean
+is_assignments_changed (MetaMonitorManager *manager,
+                        MetaGpu            *gpu,
+                        MetaCrtcInfo      **crtc_infos,
+                        unsigned int        n_crtc_infos,
+                        MetaOutputInfo    **output_infos,
+                        unsigned int        n_output_infos)
+{
+  GList *l;
+
+  for (l = meta_gpu_get_crtcs (gpu); l; l = l->next)
+    {
+      MetaCrtc *crtc = l->data;
+
+      if (is_crtc_assignment_changed (crtc, crtc_infos, n_crtc_infos))
+        return TRUE;
+    }
+
+  for (l = meta_gpu_get_outputs (gpu); l; l = l->next)
+    {
+      MetaOutput *output = l->data;
+
+      if (is_output_assignment_changed (output,
+                                        crtc_infos,
+                                        n_crtc_infos,
+                                        output_infos,
+                                        n_output_infos))
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+meta_monitor_manager_get_has_changed (MetaMonitorManager  *manager,
+                                      MetaCrtcInfo       **crtc_infos,
+                                      unsigned int         n_crtc_infos,
+                                      MetaOutputInfo     **output_infos,
+                                      unsigned int         n_output_infos)
+{
+  GList *gpus;
+  GList *l;
+
+  gpus = meta_backend_get_gpus (manager->backend);
+  for (l = gpus; l; l = l->next)
+    {
+      if (is_assignments_changed (manager, l->data,
+                                  crtc_infos, n_crtc_infos,
+                                  output_infos, n_output_infos))
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
 static gboolean
 meta_monitor_manager_apply_monitors_config (MetaMonitorManager      *manager,
                                             MetaMonitorsConfig      *config,

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

@@ -821,6 +821,7 @@ void meta_backend_native_resume (MetaBackendNative *native)
     META_MONITOR_MANAGER_KMS (monitor_manager);
   MetaInputSettings *input_settings;
   MetaIdleMonitor *idle_monitor;
+  ClutterDeviceManager *device_manager;
 
   COGL_TRACE_BEGIN_SCOPED (MetaBackendNativeResume,
                            "Backend (resume)");
@@ -839,4 +840,7 @@ void meta_backend_native_resume (MetaBackendNative *native)
 
   input_settings = meta_backend_get_input_settings (backend);
   meta_input_settings_maybe_restore_numlock_state (input_settings);
+
+  device_manager = clutter_device_manager_get_default ();
+  clutter_device_manager_ensure_a11y_state (device_manager);
 }

src/backends/native/meta-kms-connector-private.h

@@ -29,7 +29,4 @@ MetaKmsConnector * meta_kms_connector_new (MetaKmsImplDevice *impl_device,
                                            drmModeConnector  *drm_connector,
                                            drmModeRes        *drm_resources);
 
-gboolean meta_kms_connector_is_same_as (MetaKmsConnector *connector,
-                                        drmModeConnector *drm_connector);
-
 #endif /* META_KMS_CONNECTOR_PRIVATE_H */

src/backends/native/meta-kms-connector.c

@@ -36,7 +36,6 @@ struct _MetaKmsConnector
 
   uint32_t id;
   MetaConnectorType type;
-  uint32_t type_id;
   char *name;
 
   MetaKmsConnectorState *current_state;
@@ -563,15 +562,6 @@ make_connector_name (drmModeConnector *drm_connector)
                             drm_connector->connector_type_id);
 }
 
-gboolean
-meta_kms_connector_is_same_as (MetaKmsConnector *connector,
-                               drmModeConnector *drm_connector)
-{
-  return (connector->id == drm_connector->connector_id &&
-          connector->type == drm_connector->connector_type &&
-          connector->type_id == drm_connector->connector_type_id);
-}
-
 MetaKmsConnector *
 meta_kms_connector_new (MetaKmsImplDevice *impl_device,
                         drmModeConnector  *drm_connector,
@@ -583,7 +573,6 @@ meta_kms_connector_new (MetaKmsImplDevice *impl_device,
   connector->device = meta_kms_impl_device_get_device (impl_device);
   connector->id = drm_connector->connector_id;
   connector->type = (MetaConnectorType) drm_connector->connector_type;
-  connector->type_id = drm_connector->connector_type_id;
   connector->name = make_connector_name (drm_connector);
 
   find_property_ids (connector, impl_device, drm_connector);

src/backends/native/meta-kms-device-private.h

@@ -24,7 +24,4 @@
 
 MetaKmsImplDevice * meta_kms_device_get_impl_device (MetaKmsDevice *device);
 
-void meta_kms_device_update_states_in_impl (MetaKmsDevice            *device,
-                                            MetaKmsUpdateStatesFlags  flags);
-
 #endif /* META_KMS_DEVICE_PRIVATE_H */

src/backends/native/meta-kms-device.c

@@ -108,31 +108,6 @@ meta_kms_device_get_primary_plane_for (MetaKmsDevice *device,
   return NULL;
 }
 
-void
-meta_kms_device_update_states_in_impl (MetaKmsDevice            *device,
-                                       MetaKmsUpdateStatesFlags  flags)
-{
-  MetaKmsImplDevice *impl_device = meta_kms_device_get_impl_device (device);
-
-  meta_assert_in_kms_impl (device->kms);
-
-  meta_kms_impl_device_update_states (impl_device, flags);
-
-  if (flags & META_KMS_UPDATE_STATES_FLAG_HOTPLUG)
-    {
-      meta_assert_is_waiting_for_kms_impl_task (device->kms);
-
-      g_list_free (device->crtcs);
-      device->crtcs = meta_kms_impl_device_copy_crtcs (impl_device);
-
-      g_list_free (device->connectors);
-      device->connectors = meta_kms_impl_device_copy_connectors (impl_device);
-
-      g_list_free (device->planes);
-      device->planes = meta_kms_impl_device_copy_planes (impl_device);
-    }
-}
-
 static gboolean
 dispatch_in_impl (MetaKmsImpl  *impl,
                   gpointer      user_data,

src/backends/native/meta-kms-impl-device.c

@@ -196,28 +196,10 @@ init_crtcs (MetaKmsImplDevice *impl_device,
   impl_device->crtcs = g_list_reverse (impl_device->crtcs);
 }
 
-static MetaKmsConnector *
-find_existing_connector (MetaKmsImplDevice *impl_device,
-                         drmModeConnector  *drm_connector)
-{
-  GList *l;
-
-  for (l = impl_device->connectors; l; l = l->next)
-    {
-      MetaKmsConnector *connector = l->data;
-
-      if (meta_kms_connector_is_same_as (connector, drm_connector))
-        return connector;
-    }
-
-  return NULL;
-}
-
 static void
-update_connectors (MetaKmsImplDevice *impl_device,
+init_connectors (MetaKmsImplDevice *impl_device,
                  drmModeRes        *drm_resources)
 {
-  GList *connectors = NULL;
   unsigned int i;
 
   for (i = 0; i < drm_resources->count_connectors; i++)
@@ -230,19 +212,14 @@ update_connectors (MetaKmsImplDevice *impl_device,
       if (!drm_connector)
         continue;
 
-      connector = find_existing_connector (impl_device, drm_connector);
-      if (connector)
-        connector = g_object_ref (connector);
-      else
       connector = meta_kms_connector_new (impl_device, drm_connector,
                                           drm_resources);
       drmModeFreeConnector (drm_connector);
 
-      connectors = g_list_prepend (connectors, connector);
+      impl_device->connectors = g_list_prepend (impl_device->connectors,
+                                                connector);
     }
-
+  impl_device->connectors = g_list_reverse (impl_device->connectors);
-  g_list_free_full (impl_device->connectors, g_object_unref);
-  impl_device->connectors = g_list_reverse (connectors);
 }
 
 static MetaKmsPlaneType
@@ -318,18 +295,13 @@ init_planes (MetaKmsImplDevice *impl_device)
 }
 
 void
-meta_kms_impl_device_update_states (MetaKmsImplDevice        *impl_device,
+meta_kms_impl_device_update_states (MetaKmsImplDevice *impl_device)
-                                    MetaKmsUpdateStatesFlags  flags)
 {
   drmModeRes *drm_resources;
 
   meta_assert_in_kms_impl (meta_kms_impl_get_kms (impl_device->impl));
 
   drm_resources = drmModeGetResources (impl_device->fd);
-
-  if (flags & META_KMS_UPDATE_STATES_FLAG_HOTPLUG)
-    update_connectors (impl_device, drm_resources);
-
   g_list_foreach (impl_device->crtcs, (GFunc) meta_kms_crtc_update_state,
                   NULL);
   g_list_foreach (impl_device->connectors, (GFunc) meta_kms_connector_update_state,
@@ -374,10 +346,9 @@ meta_kms_impl_device_new (MetaKmsDevice  *device,
   impl_device->fd = fd;
 
   init_crtcs (impl_device, drm_resources);
+  init_connectors (impl_device, drm_resources);
   init_planes (impl_device);
 
-  update_connectors (impl_device, drm_resources);
-
   drmModeFreeResources (drm_resources);
 
   impl_device->fd_source =

src/backends/native/meta-kms-impl-device.h

@@ -53,8 +53,7 @@ int meta_kms_impl_device_get_fd (MetaKmsImplDevice *impl_device);
 
 int meta_kms_impl_device_leak_fd (MetaKmsImplDevice *impl_device);
 
-void meta_kms_impl_device_update_states (MetaKmsImplDevice        *impl_device,
+void meta_kms_impl_device_update_states (MetaKmsImplDevice *impl_device);
-                                         MetaKmsUpdateStatesFlags  flags);
 
 int meta_kms_impl_device_close (MetaKmsImplDevice *impl_device);
 

src/backends/native/meta-kms-private.h

@@ -55,13 +55,9 @@ GSource * meta_kms_register_fd_in_impl (MetaKms             *kms,
 
 gboolean meta_kms_in_impl_task (MetaKms *kms);
 
-gboolean meta_kms_is_waiting_for_impl_task (MetaKms *kms);
-
 #define meta_assert_in_kms_impl(kms) \
   g_assert (meta_kms_in_impl_task (kms))
 #define meta_assert_not_in_kms_impl(kms) \
   g_assert (!meta_kms_in_impl_task (kms))
-#define meta_assert_is_waiting_for_kms_impl_task(kms) \
-  g_assert (meta_kms_is_waiting_for_impl_task (kms))
 
 #endif /* META_KMS_PRIVATE_H */

src/backends/native/meta-kms-types.h

@@ -56,10 +56,4 @@ typedef enum _MetaKmsDeviceFlag
   META_KMS_DEVICE_FLAG_PLATFORM_DEVICE = 1 << 1,
 } MetaKmsDeviceFlag;
 
-typedef enum _MetaKmsUpdateStatesFlags
-{
-  META_KMS_UPDATE_STATES_FLAG_NONE = 0,
-  META_KMS_UPDATE_STATES_FLAG_HOTPLUG = 1 << 0,
-} MetaKmsUpdateStatesFlags;
-
 #endif /* META_KMS_IMPL_TYPES_H */

src/backends/native/meta-kms.c

@@ -119,15 +119,6 @@
  *
  */
 
-enum
-{
-  RESOURCES_CHANGED,
-
-  N_SIGNALS
-};
-
-static int signals[N_SIGNALS];
-
 typedef struct _MetaKmsCallbackData
 {
   MetaKmsCallback callback;
@@ -163,7 +154,6 @@ struct _MetaKms
 
   MetaKmsImpl *impl;
   gboolean in_impl_task;
-  gboolean waiting_for_impl_task;
 
   GList *devices;
 
@@ -176,8 +166,7 @@ struct _MetaKms
 G_DEFINE_TYPE (MetaKms, meta_kms, G_TYPE_OBJECT)
 
 static void
-meta_kms_update_states_in_impl (MetaKms                  *kms,
+meta_kms_update_states_in_impl (MetaKms *kms);
-                                MetaKmsUpdateStatesFlags  flags);
 
 MetaKmsUpdate *
 meta_kms_ensure_pending_update (MetaKms *kms)
@@ -205,8 +194,7 @@ meta_kms_update_process_in_impl (MetaKmsImpl  *impl,
   ret = meta_kms_impl_process_update (impl, update, error);
 
   if (meta_kms_update_has_mode_set (update))
-    meta_kms_update_states_in_impl (meta_kms_impl_get_kms (impl),
+    meta_kms_update_states_in_impl (meta_kms_impl_get_kms (impl));
-                                    META_KMS_UPDATE_STATES_FLAG_NONE);
 
   return ret;
 }
@@ -334,9 +322,7 @@ meta_kms_run_impl_task_sync (MetaKms              *kms,
   gboolean ret;
 
   kms->in_impl_task = TRUE;
-  kms->waiting_for_impl_task = TRUE;
   ret = func (kms->impl, user_data, error);
-  kms->waiting_for_impl_task = FALSE;
   kms->in_impl_task = FALSE;
 
   return ret;
@@ -454,15 +440,8 @@ meta_kms_in_impl_task (MetaKms *kms)
   return kms->in_impl_task;
 }
 
-gboolean
-meta_kms_is_waiting_for_impl_task (MetaKms *kms)
-{
-  return kms->waiting_for_impl_task;
-}
-
 static void
-meta_kms_update_states_in_impl (MetaKms                  *kms,
+meta_kms_update_states_in_impl (MetaKms *kms)
-                                MetaKmsUpdateStatesFlags  flags)
 {
   GList *l;
 
@@ -474,8 +453,9 @@ meta_kms_update_states_in_impl (MetaKms                  *kms,
   for (l = kms->devices; l; l = l->next)
     {
       MetaKmsDevice *device = l->data;
+      MetaKmsImplDevice *impl_device = meta_kms_device_get_impl_device (device);
 
-      meta_kms_device_update_states_in_impl (device, flags);
+      meta_kms_impl_device_update_states (impl_device);
     }
 }
 
@@ -484,22 +464,20 @@ update_states_in_impl (MetaKmsImpl  *impl,
                        gpointer      user_data,
                        GError      **error)
 {
-  MetaKms *kms = meta_kms_impl_get_kms (impl);;
+  MetaKms *kms = user_data;
-  MetaKmsUpdateStatesFlags flags = GPOINTER_TO_UINT (user_data);
 
-  meta_kms_update_states_in_impl (kms, flags);
+  meta_kms_update_states_in_impl (kms);
 
   return TRUE;
 }
 
 static gboolean
 meta_kms_update_states_sync (MetaKms  *kms,
-                             MetaKmsUpdateStatesFlags   flags,
                              GError  **error)
 {
   return meta_kms_run_impl_task_sync (kms,
                                       update_states_in_impl,
-                                      GUINT_TO_POINTER (flags),
+                                      kms,
                                       error);
 }
 
@@ -508,12 +486,8 @@ handle_hotplug_event (MetaKms *kms)
 {
   g_autoptr (GError) error = NULL;
 
-  if (!meta_kms_update_states_sync (kms,
+  if (!meta_kms_update_states_sync (kms, &error))
-                                    META_KMS_UPDATE_STATES_FLAG_HOTPLUG,
-                                    &error))
     g_warning ("Updating KMS state failed: %s", error->message);
-
-  g_signal_emit (kms, signals[RESOURCES_CHANGED], 0);
 }
 
 static void
@@ -616,12 +590,4 @@ meta_kms_class_init (MetaKmsClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
   object_class->finalize = meta_kms_finalize;
-
-  signals[RESOURCES_CHANGED] =
-    g_signal_new ("resources-changed",
-                  G_TYPE_FROM_CLASS (klass),
-                  G_SIGNAL_RUN_LAST,
-                  0,
-                  NULL, NULL, NULL,
-                  G_TYPE_NONE, 0);
 }

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

@@ -75,7 +75,10 @@ struct _MetaMonitorManagerKms
 {
   MetaMonitorManager parent_instance;
 
-  gulong kms_resources_changed_handler_id;
+  guint hotplug_handler_id;
+  guint removed_handler_id;
+
+  guint logical_monitors_invalid : 1;
 };
 
 struct _MetaMonitorManagerKmsClass
@@ -321,6 +324,7 @@ meta_monitor_manager_kms_apply_monitors_config (MetaMonitorManager      *manager
                                                 MetaMonitorsConfigMethod method,
                                                 GError                 **error)
 {
+  MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
   GPtrArray *crtc_infos;
   GPtrArray *output_infos;
 
@@ -344,6 +348,26 @@ meta_monitor_manager_kms_apply_monitors_config (MetaMonitorManager      *manager
       return TRUE;
     }
 
+  if (!meta_monitor_manager_get_has_changed (manager,
+                                             (MetaCrtcInfo **) crtc_infos->pdata,
+                                             crtc_infos->len,
+                                             (MetaOutputInfo **) output_infos->pdata,
+                                             output_infos->len))
+    {
+      /* Rebuild logical monitors if invalid, i.e. after
+       * meta_monitor_manager_read_current_state().
+       */
+      if (manager_kms->logical_monitors_invalid)
+        {
+          meta_monitor_manager_rebuild (manager, config);
+          manager_kms->logical_monitors_invalid = FALSE;
+        }
+
+      g_ptr_array_free (crtc_infos, TRUE);
+      g_ptr_array_free (output_infos, TRUE);
+      return TRUE;
+    }
+
   apply_crtc_assignments (manager,
                           (MetaCrtcInfo **) crtc_infos->pdata,
                           crtc_infos->len,
@@ -355,6 +379,7 @@ meta_monitor_manager_kms_apply_monitors_config (MetaMonitorManager      *manager
 
   update_screen_size (manager, config);
   meta_monitor_manager_rebuild (manager, config);
+  manager_kms->logical_monitors_invalid = FALSE;
 
   return TRUE;
 }
@@ -473,12 +498,27 @@ meta_monitor_manager_kms_set_crtc_gamma (MetaMonitorManager *manager,
 static void
 handle_hotplug_event (MetaMonitorManager *manager)
 {
+  MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
+
+  /* read_current_state() will rebuild monitors, leaving MetaLogicalMonitors
+   * with stale pointers to those. We will need to rebuild those even though
+   * the configuration might not have actually changed (eg. tty switch).
+   */
+  manager_kms->logical_monitors_invalid = TRUE;
   meta_monitor_manager_read_current_state (manager);
   meta_monitor_manager_on_hotplug (manager);
 }
 
 static void
-on_kms_resources_changed (MetaKms            *kms,
+on_udev_hotplug (MetaUdev           *udev,
+                 MetaMonitorManager *manager)
+{
+  handle_hotplug_event (manager);
+}
+
+static void
+on_udev_device_removed (MetaUdev           *udev,
+                        GUdevDevice        *device,
                         MetaMonitorManager *manager)
 {
   handle_hotplug_event (manager);
@@ -489,12 +529,14 @@ meta_monitor_manager_kms_connect_hotplug_handler (MetaMonitorManagerKms *manager
 {
   MetaMonitorManager *manager = META_MONITOR_MANAGER (manager_kms);
   MetaBackend *backend = meta_monitor_manager_get_backend (manager);
-  MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
+  MetaUdev *udev = meta_backend_native_get_udev (META_BACKEND_NATIVE (backend));
-  MetaKms *kms = meta_backend_native_get_kms (backend_native);
 
-  manager_kms->kms_resources_changed_handler_id =
+  manager_kms->hotplug_handler_id =
-    g_signal_connect (kms, "resources-changed",
+    g_signal_connect_after (udev, "hotplug",
-                      G_CALLBACK (on_kms_resources_changed), manager);
+                            G_CALLBACK (on_udev_hotplug), manager);
+  manager_kms->removed_handler_id =
+    g_signal_connect_after (udev, "device-removed",
+                            G_CALLBACK (on_udev_device_removed), manager);
 }
 
 static void
@@ -502,10 +544,12 @@ meta_monitor_manager_kms_disconnect_hotplug_handler (MetaMonitorManagerKms *mana
 {
   MetaMonitorManager *manager = META_MONITOR_MANAGER (manager_kms);
   MetaBackend *backend = meta_monitor_manager_get_backend (manager);
-  MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
+  MetaUdev *udev = meta_backend_native_get_udev (META_BACKEND_NATIVE (backend));
-  MetaKms *kms = meta_backend_native_get_kms (backend_native);
 
-  g_clear_signal_handler (&manager_kms->kms_resources_changed_handler_id, kms);
+  g_signal_handler_disconnect (udev, manager_kms->hotplug_handler_id);
+  manager_kms->hotplug_handler_id = 0;
+  g_signal_handler_disconnect (udev, manager_kms->removed_handler_id);
+  manager_kms->removed_handler_id = 0;
 }
 
 void

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

@@ -240,103 +240,6 @@ xrandr_set_crtc_config (MetaMonitorManagerXrandr *manager_xrandr,
   return TRUE;
 }
 
-static gboolean
-is_crtc_assignment_changed (MetaCrtc      *crtc,
-                            MetaCrtcInfo **crtc_infos,
-                            unsigned int   n_crtc_infos)
-{
-  unsigned int i;
-
-  for (i = 0; i < n_crtc_infos; i++)
-    {
-      MetaCrtcInfo *crtc_info = crtc_infos[i];
-      unsigned int j;
-
-      if (crtc_info->crtc != crtc)
-        continue;
-
-      if (crtc->current_mode != crtc_info->mode)
-        return TRUE;
-
-      if (crtc->rect.x != crtc_info->x)
-        return TRUE;
-
-      if (crtc->rect.y != crtc_info->y)
-        return TRUE;
-
-      if (crtc->transform != crtc_info->transform)
-        return TRUE;
-
-      for (j = 0; j < crtc_info->outputs->len; j++)
-        {
-          MetaOutput *output = ((MetaOutput**) crtc_info->outputs->pdata)[j];
-          MetaCrtc *assigned_crtc;
-
-          assigned_crtc = meta_output_get_assigned_crtc (output);
-          if (assigned_crtc != crtc)
-            return TRUE;
-        }
-
-      return FALSE;
-    }
-
-  return crtc->current_mode != NULL;
-}
-
-static gboolean
-is_output_assignment_changed (MetaOutput      *output,
-                              MetaCrtcInfo   **crtc_infos,
-                              unsigned int     n_crtc_infos,
-                              MetaOutputInfo **output_infos,
-                              unsigned int     n_output_infos)
-{
-  MetaCrtc *assigned_crtc;
-  gboolean output_is_found = FALSE;
-  unsigned int i;
-
-  for (i = 0; i < n_output_infos; i++)
-    {
-      MetaOutputInfo *output_info = output_infos[i];
-
-      if (output_info->output != output)
-        continue;
-
-      if (output->is_primary != output_info->is_primary)
-        return TRUE;
-
-      if (output->is_presentation != output_info->is_presentation)
-        return TRUE;
-
-      if (output->is_underscanning != output_info->is_underscanning)
-        return TRUE;
-
-      output_is_found = TRUE;
-    }
-
-  assigned_crtc = meta_output_get_assigned_crtc (output);
-
-  if (!output_is_found)
-    return assigned_crtc != NULL;
-
-  for (i = 0; i < n_crtc_infos; i++)
-    {
-      MetaCrtcInfo *crtc_info = crtc_infos[i];
-      unsigned int j;
-
-      for (j = 0; j < crtc_info->outputs->len; j++)
-        {
-          MetaOutput *crtc_info_output =
-            ((MetaOutput**) crtc_info->outputs->pdata)[j];
-
-          if (crtc_info_output == output &&
-              crtc_info->crtc == assigned_crtc)
-            return FALSE;
-        }
-    }
-
-  return TRUE;
-}
-
 static MetaGpu *
 meta_monitor_manager_xrandr_get_gpu (MetaMonitorManagerXrandr *manager_xrandr)
 {
@@ -346,41 +249,6 @@ meta_monitor_manager_xrandr_get_gpu (MetaMonitorManagerXrandr *manager_xrandr)
   return META_GPU (meta_backend_get_gpus (backend)->data);
 }
 
-static gboolean
-is_assignments_changed (MetaMonitorManager *manager,
-                        MetaCrtcInfo      **crtc_infos,
-                        unsigned int        n_crtc_infos,
-                        MetaOutputInfo    **output_infos,
-                        unsigned int        n_output_infos)
-{
-  MetaMonitorManagerXrandr *manager_xrandr =
-    META_MONITOR_MANAGER_XRANDR (manager);
-  MetaGpu *gpu = meta_monitor_manager_xrandr_get_gpu (manager_xrandr);
-  GList *l;
-
-  for (l = meta_gpu_get_crtcs (gpu); l; l = l->next)
-    {
-      MetaCrtc *crtc = l->data;
-
-      if (is_crtc_assignment_changed (crtc, crtc_infos, n_crtc_infos))
-        return TRUE;
-    }
-
-  for (l = meta_gpu_get_outputs (gpu); l; l = l->next)
-    {
-      MetaOutput *output = l->data;
-
-      if (is_output_assignment_changed (output,
-                                        crtc_infos,
-                                        n_crtc_infos,
-                                        output_infos,
-                                        n_output_infos))
-        return TRUE;
-    }
-
-  return FALSE;
-}
-
 static void
 apply_crtc_assignments (MetaMonitorManager *manager,
                         gboolean            save_timestamp,
@@ -651,7 +519,7 @@ meta_monitor_manager_xrandr_apply_monitors_config (MetaMonitorManager      *mana
        * must check that our new assignment actually changes anything, otherwise
        * just update the logical state.
        */
-      if (is_assignments_changed (manager,
+      if (meta_monitor_manager_get_has_changed (manager,
                                                 (MetaCrtcInfo **) crtc_infos->pdata,
                                                 crtc_infos->len,
                                                 (MetaOutputInfo **) output_infos->pdata,

src/core/display.c

@@ -52,6 +52,7 @@
 #include "clutter/x11/clutter-x11.h"
 #include "compositor/compositor-private.h"
 #include "compositor/meta-compositor-x11.h"
+#include "cogl/cogl-trace.h"
 #include "core/bell.h"
 #include "core/boxes-private.h"
 #include "core/display-private.h"
@@ -1481,6 +1482,8 @@ void
 meta_display_notify_window_created (MetaDisplay  *display,
                                     MetaWindow   *window)
 {
+  COGL_TRACE_BEGIN_SCOPED (MetaDisplayNotifyWindowCreated,
+                           "Display (notify window created)");
   g_signal_emit (display, display_signals[WINDOW_CREATED], 0, window);
 }
 

src/core/stack.c

@@ -30,6 +30,7 @@
 #include "core/stack.h"
 
 #include "backends/meta-logical-monitor.h"
+#include "cogl/cogl-trace.h"
 #include "core/frame.h"
 #include "core/meta-workspace-manager-private.h"
 #include "core/window-private.h"
@@ -275,6 +276,9 @@ meta_stack_add (MetaStack  *stack,
 {
   MetaWorkspaceManager *workspace_manager = window->display->workspace_manager;
 
+  COGL_TRACE_BEGIN_SCOPED (MetaStackAdd,
+                           "Stack (add window)");
+
   g_return_if_fail (meta_window_is_stackable (window));
 
   meta_topic (META_DEBUG_STACK, "Adding window %s to the stack\n", window->desc);
@@ -305,6 +309,9 @@ meta_stack_remove (MetaStack  *stack,
 {
   MetaWorkspaceManager *workspace_manager = window->display->workspace_manager;
 
+  COGL_TRACE_BEGIN_SCOPED (MetaStackRemove,
+                           "Stack (remove window)");
+
   meta_topic (META_DEBUG_STACK, "Removing window %s from the stack\n", window->desc);
 
   /* Set window to top position, so removing it will not leave gaps

src/core/window.c

@@ -67,6 +67,7 @@
 
 #include "backends/meta-backend-private.h"
 #include "backends/meta-logical-monitor.h"
+#include "cogl/cogl-trace.h"
 #include "core/boxes-private.h"
 #include "core/constraints.h"
 #include "core/core.h"
@@ -947,6 +948,15 @@ meta_window_calculate_main_logical_monitor (MetaWindow *window)
                                                              &window_rect);
 }
 
+static void
+meta_window_manage (MetaWindow *window)
+{
+  COGL_TRACE_BEGIN_SCOPED (MetaWindowManage,
+                           "Window (manage)");
+
+  META_WINDOW_GET_CLASS (window)->manage (window);
+}
+
 MetaWindow *
 _meta_window_shared_new (MetaDisplay         *display,
                          MetaWindowClientType client_type,
@@ -959,6 +969,9 @@ _meta_window_shared_new (MetaDisplay         *display,
   MetaWorkspaceManager *workspace_manager = display->workspace_manager;
   MetaWindow *window;
 
+  COGL_TRACE_BEGIN_SCOPED (MetaWindowSharedNew,
+                           "Window (new)");
+
   g_assert (attrs != NULL);
 
   meta_verbose ("attrs->map_state = %d (%s)\n",
@@ -1171,7 +1184,7 @@ _meta_window_shared_new (MetaDisplay         *display,
 
   window->id = meta_display_generate_window_id (display);
 
-  META_WINDOW_GET_CLASS (window)->manage (window);
+  meta_window_manage (window);
 
   if (!window->override_redirect)
     meta_window_update_icon_now (window, TRUE);

src/core/workspace.c

@@ -40,6 +40,7 @@
 
 #include "backends/meta-backend-private.h"
 #include "backends/meta-logical-monitor.h"
+#include "cogl/cogl-trace.h"
 #include "core/boxes-private.h"
 #include "core/meta-workspace-manager-private.h"
 #include "core/workspace-private.h"
@@ -359,6 +360,9 @@ void
 meta_workspace_add_window (MetaWorkspace *workspace,
                            MetaWindow    *window)
 {
+  COGL_TRACE_BEGIN_SCOPED (MetaWorkspaceAddWindow,
+                           "Workspace (add window)");
+
   g_assert (g_list_find (workspace->mru_list, window) == NULL);
   workspace->mru_list = g_list_prepend (workspace->mru_list, window);
 
@@ -380,6 +384,9 @@ void
 meta_workspace_remove_window (MetaWorkspace *workspace,
                               MetaWindow    *window)
 {
+  COGL_TRACE_BEGIN_SCOPED (MetaWorkspaceRemoveWindow,
+                           "Workspace (remove window)");
+
   workspace->windows = g_list_remove (workspace->windows, window);
 
   workspace->mru_list = g_list_remove (workspace->mru_list, window);

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

@@ -977,6 +977,7 @@ data_device_end_drag_grab (MetaWaylandDragGrab *drag_grab)
     {
       meta_wayland_pointer_end_grab (drag_grab->generic.pointer);
       meta_wayland_keyboard_end_grab (drag_grab->keyboard_grab.keyboard);
+      meta_display_sync_wayland_input_focus (meta_get_display ());
     }
 
   g_slice_free (MetaWaylandDragGrab, drag_grab);
@@ -1315,12 +1316,9 @@ data_device_start_drag (struct wl_client *client,
                                        surface, drag_source, icon_surface);
 
   if (meta_wayland_seat_has_keyboard (seat))
-    {
-      meta_wayland_keyboard_set_focus (seat->keyboard, NULL);
     meta_wayland_keyboard_start_grab (seat->keyboard,
                                       &seat->data_device.current_grab->keyboard_grab);
 }
-}
 
 static void
 selection_data_source_destroyed (gpointer data, GObject *object_was_here)

src/wayland/meta-wayland-surface.c

@@ -30,6 +30,7 @@
 #include "backends/meta-cursor-tracker-private.h"
 #include "clutter/clutter.h"
 #include "clutter/wayland/clutter-wayland-compositor.h"
+#include "cogl/cogl-trace.h"
 #include "cogl/cogl-wayland-server.h"
 #include "compositor/meta-surface-actor-wayland.h"
 #include "compositor/meta-surface-actor.h"
@@ -870,6 +871,9 @@ cleanup:
 static void
 meta_wayland_surface_commit (MetaWaylandSurface *surface)
 {
+  COGL_TRACE_BEGIN_SCOPED (MetaWaylandSurfaceCommit,
+                           "WaylandSurface (commit");
+
   if (surface->pending->buffer &&
       !meta_wayland_buffer_is_realized (surface->pending->buffer))
     meta_wayland_buffer_realize (surface->pending->buffer);

src/x11/events.c

@@ -32,6 +32,7 @@
 #include "backends/meta-cursor-tracker-private.h"
 #include "backends/x11/meta-backend-x11.h"
 #include "compositor/meta-compositor-x11.h"
+#include "cogl/cogl-trace.h"
 #include "core/bell.h"
 #include "core/display-private.h"
 #include "core/meta-workspace-manager-private.h"
@@ -1766,6 +1767,9 @@ meta_x11_display_handle_xevent (MetaX11Display *x11_display,
   XIEvent *input_event;
   MetaCursorTracker *cursor_tracker;
 
+  COGL_TRACE_BEGIN_SCOPED (MetaX11DisplayHandleXevent,
+                           "X11Display (handle X11 event)");
+
 #if 0
   meta_spew_event_print (x11_display, event);
 #endif