resize

keybindings: Fix ungrabs possibly failing after switching keymaps
We need to resolve the keycode from the keysym again since the keycode might have changed if there was a keymap switch between the grab and the ungrab.
2014-03-05 17:52:57 -05:00 · 2014-03-04 21:13:15 +01:00 · 2014-03-04 21:13:13 +01:00 · 2014-03-04 15:53:36 +01:00 · 2014-03-04 15:51:17 +01:00 · 2014-03-04 15:46:06 +01:00
177 changed files with 6333 additions and 8977 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -79,13 +79,10 @@ src/meta-dbus-xrandr.[ch]
 src/meta-dbus-idle-monitor.[ch]
 src/mutter-plugins.pc
 src/wayland/gtk-shell-protocol.c
-src/wayland/gtk-shell-client-protocol.h
 src/wayland/gtk-shell-server-protocol.h
 src/wayland/xdg-shell-protocol.c
-src/wayland/xdg-shell-client-protocol.h
 src/wayland/xdg-shell-server-protocol.h
 src/wayland/xserver-protocol.c
-src/wayland/xserver-client-protocol.h
 src/wayland/xserver-server-protocol.h
 doc/reference/*.args
 doc/reference/*.bak
--- a/41
+++ b/41
@@ -1,12 +1,12 @@
-		    GNU GENERAL PUBLIC LICENSE
-		       Version 2, June 1991
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991

- Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-     59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

-			    Preamble
+                            Preamble

  The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
@@ -15,7 +15,7 @@ software--to make sure the software is free for all its users.  This
 General Public License applies to most of the Free Software
 Foundation's software and to any other program whose authors commit to
 using it.  (Some other Free Software Foundation software is covered by
-the GNU Library General Public License instead.)  You can apply it to
+the GNU Lesser General Public License instead.)  You can apply it to
 your programs, too.

  When we speak of free software, we are referring to freedom, not
@@ -55,8 +55,8 @@ patent must be licensed for everyone's free use or not licensed at all.

  The precise terms and conditions for copying, distribution and
 modification follow.
-
-		    GNU GENERAL PUBLIC LICENSE
+
+                    GNU GENERAL PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. This License applies to any program or other work which contains
@@ -110,7 +110,7 @@ above, provided that you also meet all of these conditions:
    License.  (Exception: if the Program itself is interactive but
    does not normally print such an announcement, your work based on
    the Program is not required to print an announcement.)
-
+
 These requirements apply to the modified work as a whole.  If
 identifiable sections of that work are not derived from the Program,
 and can be reasonably considered independent and separate works in
@@ -168,7 +168,7 @@ access to copy from a designated place, then offering equivalent
 access to copy the source code from the same place counts as
 distribution of the source code, even though third parties are not
 compelled to copy the source along with the object code.
-
+
  4. You may not copy, modify, sublicense, or distribute the Program
 except as expressly provided under this License.  Any attempt
 otherwise to copy, modify, sublicense or distribute the Program is
@@ -225,7 +225,7 @@ impose that choice.

 This section is intended to make thoroughly clear what is believed to
 be a consequence of the rest of this License.
-
+
  8. If the distribution and/or use of the Program is restricted in
 certain countries either by patents or by copyrighted interfaces, the
 original copyright holder who places the Program under this License
@@ -255,7 +255,7 @@ make exceptions for this.  Our decision will be guided by the two goals
 of preserving the free status of all derivatives of our free software and
 of promoting the sharing and reuse of software generally.

-			    NO WARRANTY
+                            NO WARRANTY

  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
@@ -277,9 +277,9 @@ YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGES.

-		     END OF TERMS AND CONDITIONS
-
-	    How to Apply These Terms to Your New Programs
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
@@ -303,17 +303,16 @@ the "copyright" line and a pointer to where the full notice is found.
    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
-
+    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.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 Also add information on how to contact you by electronic and paper mail.

 If the program is interactive, make it output a short notice like this
 when it starts in an interactive mode:

-    Gnomovision version 69, Copyright (C) year  name of author
+    Gnomovision version 69, Copyright (C) year name of author
    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.
@@ -336,5 +335,5 @@ necessary.  Here is a sample; alter the names:
 This General Public License does not permit incorporating your program into
 proprietary programs.  If your program is a subroutine library, you may
 consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Library General
+library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.
--- a/36
+++ b/36
@@ -1,3 +1,39 @@
+3.11.90
+=======
+* Fix double-scaling on high DPI resolutions [Adel; #723931]
+* Make tile previews a compositor effect [Stefano, Florian; #665758]
+* Misc. bug fixes and cleanups [Ryan, Giovanni, Jasper, Adel; #722530, #724257,
+  #724258, #720631, #724364, #724472]
+
+Contributors:
+  Giovanni Campagna, Marek Chalupa, Stefano Facchini, Adel Gadllah,
+  Ryan Lortie, Florian Müllner, Jasper St. Pierre, Rico Tzschichholz
+
+3.11.5
+======
+* Fix CSD titlebars being placed off-screen [Jasper; #719772]
+* Add support for subsurfaces [Jonas; #705502]
+* Expose MetaWindow:skip-taskbar property [Florian; #723307]
+* Fix legacy tray icons showing up blank [Adel; #721596]
+* Fix configuration of cloned monitors [Adel; #710610]
+* Misc bug fixes and cleanups [Jasper, Adel, Marek, Jonas; #720631, #723468,
+  #720818, #723563, #723564]
+
+Contributors:
+  Jonas Ådahl, Marek Ch, Adel Gadllah, Florian Müllner, Jasper St. Pierre
+
+3.11.4
+======
+* Don't leave focus on windows that are being unmanaged [Owen; #711618]
+* Reduce server grabs [Daniel Drake; #721345, #721709]
+* Improve heuristic to determine display output name [Cosimo Cecchi; #721674]
+* Atomically unmaximize both directions [Jasper; #722108]
+* Misc bug fixes [Debarshi, Andika, Florian; #721517, #721674, #722347]
+
+Contributors:
+  Cosimo Cecchi, Daniel Drake, Florian Müllner, Debarshi Ray, Jasper St. Pierre,
+  Andika Triwidada, Owen W. Taylor
+
 3.11.3
 ======
 * Fix focus issues with external OSKs[Jasper; #715030]
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Run this to generate all the initial makefiles, etc.

 srcdir=`dirname $0`
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_CONFIG_MACRO_DIR([m4])

 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [11])
-m4_define([mutter_micro_version], [3])
+m4_define([mutter_micro_version], [90])

 m4_define([mutter_version],
          [mutter_major_version.mutter_minor_version.mutter_micro_version])
@@ -78,8 +78,8 @@ MUTTER_PC_MODULES="
   cairo >= 1.10.0
   gsettings-desktop-schemas >= 3.7.3
   xcomposite >= 0.2 xfixes xrender xdamage xi >= 1.6.0
-   $CLUTTER_PACKAGE >= 1.17.1
-   cogl-1.0 >= 1.13.3
+   $CLUTTER_PACKAGE >= 1.17.5
+   cogl-1.0 >= 1.17.1
   upower-glib >= 0.99.0
   gnome-desktop-3.0
 "
@@ -212,9 +212,6 @@ fi

 MUTTER_PC_MODULES="$MUTTER_PC_MODULES xcursor"

-# We always build with wayland enabled
-AC_DEFINE(HAVE_WAYLAND, , [Building with Wayland support])
-
 AC_PATH_PROG([WAYLAND_SCANNER],[wayland-scanner],[no])
 AS_IF([test "x$WAYLAND_SCANNER" = "xno"],
  AC_MSG_ERROR([Could not find wayland-scanner in your PATH, required for parsing wayland extension protocols]))
--- a/doc/reference/meta-sections.txt
+++ b/doc/reference/meta-sections.txt
@@ -96,8 +96,6 @@ meta_compositor_hide_window
 meta_compositor_switch_workspace
 meta_compositor_maximize_window
 meta_compositor_unmaximize_window
-meta_compositor_window_mapped
-meta_compositor_window_unmapped
 meta_compositor_sync_window_geometry
 meta_compositor_set_updates_frozen
 meta_compositor_queue_frame_drawn
--- a/protocol/xdg-shell.xml
+++ b/protocol/xdg-shell.xml
@@ -43,7 +43,7 @@
 	Use this enum to check the protocol version, and it will be updated
 	automatically.
      </description>
-      <entry name="current" value="1" summary="Always the latest version"/>
+      <entry name="current" value="2" summary="Always the latest version"/>
    </enum>


@@ -84,6 +84,28 @@
      <arg name="y" type="int"/>
      <arg name="flags" type="uint"/>
    </request>
+
+    <event name="ping">
+      <description summary="check if the client is alive">
+        The ping event asks the client if it's still alive. Pass the
+        serial specified in the event back to the compositor by sending
+        a "pong" request back with the specified serial.
+
+        Compositors can use this to determine if the client is still
+        alive. It's unspecified what will happen if the client doesn't
+        respond to the ping request, or in what timeframe. Clients should
+        try to respond in a reasonable amount of time.
+      </description>
+      <arg name="serial" type="uint" summary="pass this to the callback"/>
+    </event>
+
+    <request name="pong">
+      <description summary="respond to a ping event">
+	A client must respond to a ping event with a pong request or
+	the client may be deemed unresponsive.
+      </description>
+      <arg name="serial" type="uint" summary="serial of the ping event"/>
+    </request>
  </interface>

  <interface name="xdg_surface" version="1">
@@ -124,6 +146,32 @@
      <arg name="parent" type="object" interface="wl_surface" allow-null="true"/>
    </request>

+    <request name="set_margin">
+      <description summary="set the visible frame boundaries">
+        This tells the compositor what the visible size of the window
+        should be, so it can use it to determine what borders to use for
+        constrainment and alignment.
+
+        CSD often has invisible areas for decoration purposes, like drop
+        shadows. These "shadow" drawings need to be subtracted out of the
+        normal boundaries of the window when computing where to place
+        windows (e.g. to set this window so it's centered on top of another,
+        or to put it to the left or right of the screen.)
+
+        This value should change as little as possible at runtime, to
+        prevent flicker.
+
+        This value is also ignored when the window is maximized or
+        fullscreen, and assumed to be 0.
+
+        If never called, this value is assumed to be 0.
+      </description>
+      <arg name="left_margin" type="int"/>
+      <arg name="right_margin" type="int"/>
+      <arg name="top_margin" type="int"/>
+      <arg name="bottom_margin" type="int"/>
+    </request>
+
    <request name="set_title">
      <description summary="set surface title">
 	Set a short title for the surface.
@@ -150,22 +198,6 @@
      <arg name="app_id" type="string"/>
    </request>

-    <request name="pong">
-      <description summary="respond to a ping event">
-	A client must respond to a ping event with a pong request or
-	the client may be deemed unresponsive.
-      </description>
-      <arg name="serial" type="uint" summary="serial of the ping event"/>
-    </request>
-
-    <event name="ping">
-      <description summary="ping client">
-	Ping a client to check if it is receiving events and sending
-	requests. A client is expected to reply with a pong request.
-      </description>
-      <arg name="serial" type="uint"/>
-    </event>
-
    <request name="move">
      <description summary="start an interactive move">
 	Start a pointer-driven move of the surface.
@@ -217,12 +249,6 @@
 	ignore it if it doesn't resize, pick a smaller size (to
 	satisfy aspect ratio or resize in steps of NxM pixels).

-	The edges parameter provides a hint about how the surface
-	was resized. The client may use this information to decide
-	how to adjust its content to the new size (e.g. a scrolling
-	area might adjust its content position to leave the viewable
-	content unmoved). Valid edge values are from resize_edge enum.
-
 	The client is free to dismiss all but the last configure
 	event it received.

@@ -230,7 +256,6 @@
 	in surface local coordinates.
      </description>

-      <arg name="edges" type="uint"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
    </event>
@@ -360,18 +385,38 @@
      </description>
    </request>

-    <event name="focused_set">
-      <description summary="surface was focused">
-	The focused_set event is sent when this surface has been
-	activated. Window decorations should be updated accordingly.
+    <event name="activated">
+      <description summary="surface was activated">
+	The activated_set event is sent when this surface has been
+	activated, which means that the surface has user attention.
+        Window decorations should be updated accordingly. You should
+        not use this event for anything but the style of decorations
+        you display, use wl_keyboard.enter and wl_keyboard.leave for
+        determining keyboard focus.
      </description>
    </event>

-    <event name="focused_unset">
-      <description summary="surface was unfocused">
-	The focused_unset event is sent when this surface has been
-	deactivated, because another surface has been activated. Window
-	decorations should be updated accordingly.
+    <event name="deactivated">
+      <description summary="surface was deactivated">
+	The deactivate event is sent when this surface has been
+        deactivated, which means that the surface lost user attention.
+        Window decorations should be updated accordingly. You should
+        not use this event for anything but the style of decorations
+        you display, use wl_keyboard.enter and wl_keyboard.leave for
+        determining keyboard focus.
+      </description>
+    </event>
+
+    <event name="delete">
+      <description summary="surface wants to be closed">
+        The delete event is sent by the compositor when the user
+        wants the surface to be closed. This should be equivalent to
+        the user clicking the close button in client-side decorations,
+        if your application has any...
+
+        This is only a request that the user intends to close your
+        window. The client may choose to ignore this request, or show
+        a dialog to ask the user to save their data...
      </description>
    </event>
  </interface>
@@ -409,22 +454,6 @@
      </description>
    </request>

-    <request name="pong">
-      <description summary="respond to a ping event">
-	A client must respond to a ping event with a pong request or
-	the client may be deemed unresponsive.
-      </description>
-      <arg name="serial" type="uint" summary="serial of the ping event"/>
-    </request>
-
-    <event name="ping">
-      <description summary="ping client">
-	Ping a client to check if it is receiving events and sending
-	requests. A client is expected to reply with a pong request.
-      </description>
-      <arg name="serial" type="uint"/>
-    </event>
-
    <event name="popup_done">
      <description summary="popup interaction is done">
 	The popup_done event is sent out when a popup grab is broken,
--- a/src/50-mutter-navigation.xml.in
+++ b/src/50-mutter-navigation.xml.in
@@ -29,6 +29,18 @@
 	<KeyListEntry name="move-to-workspace-down"
 	              _description="Move window one workspace down" />

+	<KeyListEntry name="move-to-monitor-left"
+	              _description="Move window one monitor to the left" />
+
+	<KeyListEntry name="move-to-monitor-right"
+	              _description="Move window one monitor to the right" />
+
+	<KeyListEntry name="move-to-monitor-up"
+	              _description="Move window one monitor up" />
+
+	<KeyListEntry name="move-to-monitor-down"
+	              _description="Move window one monitor down" />
+
 	<KeyListEntry name="switch-applications"
 	              _description="Switch applications"/>

--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -6,6 +6,7 @@ lib_LTLIBRARIES = libmutter-wayland.la
 SUBDIRS=compositor/plugins

 INCLUDES=								\
+	-DCLUTTER_ENABLE_COMPOSITOR_API					\
 	-DCLUTTER_ENABLE_EXPERIMENTAL_API				\
 	-DCOGL_ENABLE_EXPERIMENTAL_API					\
 	-DCOGL_ENABLE_EXPERIMENTAL_2_0_API                              \
@@ -42,13 +43,10 @@ mutter_built_sources = \
 	mutter-enum-types.c			\
 	wayland/gtk-shell-protocol.c		\
 	wayland/gtk-shell-server-protocol.h	\
-	wayland/gtk-shell-client-protocol.h	\
 	wayland/xdg-shell-protocol.c		\
 	wayland/xdg-shell-server-protocol.h	\
-	wayland/xdg-shell-client-protocol.h	\
 	wayland/xserver-protocol.c		\
-	wayland/xserver-server-protocol.h	\
-	wayland/xserver-client-protocol.h
+	wayland/xserver-server-protocol.h

 libmutter_wayland_la_SOURCES =			\
 	core/async-getprop.c			\
@@ -83,6 +81,10 @@ libmutter_wayland_la_SOURCES =			\
 	compositor/meta-shaped-texture-private.h 	\
 	compositor/meta-surface-actor.c		\
 	compositor/meta-surface-actor.h		\
+	compositor/meta-surface-actor-x11.c	\
+	compositor/meta-surface-actor-x11.h	\
+	compositor/meta-surface-actor-wayland.c	\
+	compositor/meta-surface-actor-wayland.h	\
 	compositor/meta-texture-rectangle.c	\
 	compositor/meta-texture-rectangle.h	\
 	compositor/meta-texture-tower.c		\
@@ -111,8 +113,6 @@ libmutter_wayland_la_SOURCES =			\
 	core/display.c				\
 	core/display-private.h			\
 	meta/display.h				\
-	ui/draw-workspace.c			\
-	ui/draw-workspace.h			\
 	core/edge-resistance.c			\
 	core/edge-resistance.h			\
 	core/edid-parse.c			\
@@ -163,6 +163,8 @@ libmutter_wayland_la_SOURCES =			\
 	core/util-private.h			\
 	core/window-props.c			\
 	core/window-props.h			\
+	core/window-x11.c			\
+	core/window-x11.h			\
 	core/window.c				\
 	core/window-private.h			\
 	meta/window.h				\
@@ -181,21 +183,13 @@ libmutter_wayland_la_SOURCES =			\
 	ui/metaaccellabel.h			\
 	ui/resizepopup.c			\
 	ui/resizepopup.h			\
-	ui/tabpopup.c				\
-	ui/tabpopup.h				\
-	ui/tile-preview.c			\
-	ui/tile-preview.h			\
 	ui/theme-parser.c			\
 	ui/theme.c				\
 	meta/theme.h				\
 	ui/theme-private.h			\
-	ui/ui.c
-
-nodist_libmutter_wayland_la_SOURCES =		\
-	$(mutter_built_sources)
-
-libmutter_wayland_la_SOURCES +=			\
+	ui/ui.c					\
 	wayland/meta-wayland.c			\
+	wayland/meta-wayland.h			\
 	wayland/meta-wayland-private.h		\
 	wayland/meta-xwayland-private.h		\
 	wayland/meta-xwayland.c			\
@@ -216,6 +210,9 @@ libmutter_wayland_la_SOURCES +=			\
 	wayland/meta-weston-launch.c		\
 	wayland/meta-weston-launch.h

+nodist_libmutter_wayland_la_SOURCES =		\
+	$(mutter_built_sources)
+
 libmutter_wayland_la_LDFLAGS = -no-undefined
 libmutter_wayland_la_LIBADD  = $(MUTTER_LIBS)

@@ -418,6 +415,3 @@ wayland/%-protocol.c : $(top_builddir)/protocol/%.xml
 wayland/%-server-protocol.h : $(top_builddir)/protocol/%.xml
 	mkdir -p wayland
 	$(AM_V_GEN)$(WAYLAND_SCANNER) server-header < $< > $@
-wayland/%-client-protocol.h : $(top_builddir)/protocol/%.xml
-	mkdir -p wayland
-	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
--- a/src/compositor/clutter-utils.c
+++ b/src/compositor/clutter-utils.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "clutter-utils.h"
--- a/src/compositor/clutter-utils.h
+++ b/src/compositor/clutter-utils.h
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_CLUTTER_UTILS_H__
--- a/src/compositor/cogl-utils.c
+++ b/src/compositor/cogl-utils.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <clutter/clutter.h>
--- a/src/compositor/cogl-utils.h
+++ b/src/compositor/cogl-utils.h
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_COGL_UTILS_H__
--- a/src/compositor/compositor-private.h
+++ b/src/compositor/compositor-private.h
@@ -46,11 +46,8 @@ struct _MetaCompScreen
  CoglFrameClosure      *frame_closure;

  /* Used for unredirecting fullscreen windows */
-  guint                   disable_unredirect_count;
-  MetaWindowActor             *unredirected_window;
-
-  /* Before we create the output window */
-  XserverRegion     pending_input_region;
+  guint                  disable_unredirect_count;
+  MetaWindow            *unredirected_window;

  gint                   switch_workspace_in_progress;

--- a/src/compositor/compositor.c
+++ b/src/compositor/compositor.c
@@ -42,15 +42,6 @@
 * the call, so it may be necessary to readjust the display based on the
 * old_rect to start the animation.
 *
- * meta_compositor_window_mapped() and meta_compositor_window_unmapped() are
- * notifications when the toplevel window (frame or client window) is mapped or
- * unmapped. That is, when the result of meta_window_toplevel_is_mapped()
- * changes. The main use of this is to drop resources when a window is unmapped.
- * A window will always be mapped before meta_compositor_show_window()
- * is called and will not be unmapped until after meta_compositor_hide_window()
- * is called. If the live_hidden_windows preference is set, windows will never
- * be unmapped.
- *
 * # Containers #
 *
 * There's two containers in the stage that are used to place window actors, here
@@ -85,6 +76,7 @@
 #include "window-private.h" /* to check window->hidden */
 #include "display-private.h" /* for meta_display_lookup_x_window() */
 #include "util-private.h"
+#include "frame.h"
 #include "meta-wayland-private.h"
 #include "meta-wayland-pointer.h"
 #include "meta-wayland-keyboard.h"
@@ -283,25 +275,6 @@ meta_get_window_actors (MetaScreen *screen)
  return info->windows;
 }

-static void
-do_set_stage_input_region (MetaScreen   *screen,
-                           XserverRegion region)
-{
-  MetaCompScreen *info = meta_screen_get_compositor_data (screen);
-  MetaDisplay *display = meta_screen_get_display (screen);
-  Display        *xdpy = meta_display_get_xdisplay (display);
-  Window        xstage = clutter_x11_get_stage_window (CLUTTER_STAGE (info->stage));
-
-  XFixesSetWindowShapeRegion (xdpy, xstage, ShapeInput, 0, 0, region);
-
-  /* It's generally a good heuristic that when a crossing event is generated because
-   * we reshape the overlay, we don't want it to affect focus-follows-mouse focus -
-   * it's not the user doing something, it's the environment changing under the user.
-   */
-  meta_display_add_ignored_crossing_serial (display, XNextRequest (xdpy));
-  XFixesSetWindowShapeRegion (xdpy, info->output, ShapeInput, 0, 0, region);
-}
-
 void
 meta_set_stage_input_region (MetaScreen   *screen,
                             XserverRegion region)
@@ -313,29 +286,19 @@ meta_set_stage_input_region (MetaScreen   *screen,
   */
  if (!meta_is_wayland_compositor ())
    {
-      MetaCompScreen *info = meta_screen_get_compositor_data (screen);
-      MetaDisplay  *display = meta_screen_get_display (screen);
-      Display      *xdpy    = meta_display_get_xdisplay (display);
+      MetaCompScreen *info    = meta_screen_get_compositor_data (screen);
+      MetaDisplay    *display = meta_screen_get_display (screen);
+      Display        *xdpy    = meta_display_get_xdisplay (display);
+      Window          xstage  = clutter_x11_get_stage_window (CLUTTER_STAGE (info->stage));

-      if (info->stage && info->output)
-        {
-          do_set_stage_input_region (screen, region);
-        }
-      else 
-        {
-          /* Reset info->pending_input_region if one existed before and set the new
-           * one to use it later. */ 
-          if (info->pending_input_region)
-            {
-              XFixesDestroyRegion (xdpy, info->pending_input_region);
-              info->pending_input_region = None;
-            }
-          if (region != None)
-            {
-              info->pending_input_region = XFixesCreateRegion (xdpy, NULL, 0);
-              XFixesCopyRegion (xdpy, info->pending_input_region, region);
-            }
-        } 
+      XFixesSetWindowShapeRegion (xdpy, xstage, ShapeInput, 0, 0, region);
+
+      /* It's generally a good heuristic that when a crossing event is generated because
+       * we reshape the overlay, we don't want it to affect focus-follows-mouse focus -
+       * it's not the user doing something, it's the environment changing under the user.
+       */
+      meta_display_add_ignored_crossing_serial (display, XNextRequest (xdpy));
+      XFixesSetWindowShapeRegion (xdpy, info->output, ShapeInput, 0, 0, region);
    }
 }

@@ -367,39 +330,36 @@ meta_focus_stage_window (MetaScreen *screen,
  if (!stage)
    return;

-  if (!meta_is_wayland_compositor ())
-    {
-      window = clutter_x11_get_stage_window (stage);
+  window = clutter_x11_get_stage_window (stage);

-      if (window == None)
-        return;
+  if (window == None)
+    return;

-      meta_display_set_input_focus_xwindow (screen->display,
-                                            screen,
-                                            META_FOCUS_STAGE,
-                                            window,
-                                            timestamp);
-    }
-  else
-    {
-      meta_display_set_input_focus_xwindow (screen->display,
-                                            screen,
-                                            META_FOCUS_STAGE,
-                                            None,
-                                            timestamp);
-    }
+  meta_display_set_input_focus_xwindow (screen->display,
+                                        screen,
+                                        window,
+                                        timestamp);
 }

 gboolean
 meta_stage_is_focused (MetaScreen *screen)
 {
  ClutterStage *stage;
+  Window window;
+
+  if (meta_is_wayland_compositor ())
+    return TRUE;

  stage = CLUTTER_STAGE (meta_get_stage_for_screen (screen));
  if (!stage)
    return FALSE;

-  return (screen->display->focus_type == META_FOCUS_STAGE);
+  window = clutter_x11_get_stage_window (stage);
+
+  if (window == None)
+    return FALSE;
+
+  return (screen->display->focus_xwindow == window);
 }

 static gboolean
@@ -677,21 +637,6 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
    return;

  info = g_new0 (MetaCompScreen, 1);
-  /*
-   * We use an empty input region for Clutter as a default because that allows
-   * the user to interact with all the windows displayed on the screen.
-   * We have to initialize info->pending_input_region to an empty region explicitly, 
-   * because None value is used to mean that the whole screen is an input region.
-   */
-  if (!meta_is_wayland_compositor ())
-    info->pending_input_region = XFixesCreateRegion (xdisplay, NULL, 0);
-  else
-    {
-      /* Stage input region trickery isn't needed when we're running as a
-       * wayland compositor. */
-      info->pending_input_region = None;
-    }
-
  info->screen = screen;

  meta_screen_set_compositor_data (screen, info);
@@ -777,6 +722,8 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
      info->output = get_output_window (screen);
      XReparentWindow (xdisplay, xwin, info->output, 0, 0);

+      meta_empty_stage_input_region (screen);
+
      /* Make sure there isn't any left-over output shape on the 
       * overlay window by setting the whole screen to be an
       * output region.
@@ -787,13 +734,6 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
       */
      XFixesSetWindowShapeRegion (xdisplay, info->output, ShapeBounding, 0, 0, None);

-      do_set_stage_input_region (screen, info->pending_input_region);
-      if (info->pending_input_region != None)
-        {
-          XFixesDestroyRegion (xdisplay, info->pending_input_region);
-          info->pending_input_region = None;
-        }
-
      /* Map overlay window before redirecting windows offscreen so we catch their
       * contents until we show the stage.
       */
@@ -863,6 +803,30 @@ meta_shape_cow_for_window (MetaScreen *screen,
    }
 }

+static void
+set_unredirected_window (MetaCompScreen *info,
+                         MetaWindow     *window)
+{
+  if (info->unredirected_window == window)
+    return;
+
+  if (info->unredirected_window != NULL)
+    {
+      MetaWindowActor *window_actor = META_WINDOW_ACTOR (meta_window_get_compositor_private (info->unredirected_window));
+      meta_window_actor_set_unredirected (window_actor, FALSE);
+    }
+
+  info->unredirected_window = window;
+
+  if (info->unredirected_window != NULL)
+    {
+      MetaWindowActor *window_actor = META_WINDOW_ACTOR (meta_window_get_compositor_private (info->unredirected_window));
+      meta_window_actor_set_unredirected (window_actor, TRUE);
+    }
+
+  meta_shape_cow_for_window (info->screen, info->unredirected_window);
+}
+
 void
 meta_compositor_add_window (MetaCompositor    *compositor,
                            MetaWindow        *window)
@@ -891,19 +855,11 @@ meta_compositor_remove_window (MetaCompositor *compositor,
  if (!window_actor)
    return;

-  if (!meta_is_wayland_compositor ())
-    {
-      screen = meta_window_get_screen (window);
-      info = meta_screen_get_compositor_data (screen);
+  screen = meta_window_get_screen (window);
+  info = meta_screen_get_compositor_data (screen);

-      if (window_actor == info->unredirected_window)
-        {
-          meta_window_actor_set_redirected (window_actor, TRUE);
-          meta_shape_cow_for_window (meta_window_get_screen (meta_window_actor_get_meta_window (info->unredirected_window)),
-                                     NULL);
-          info->unredirected_window = NULL;
-        }
-    }
+  if (info->unredirected_window == window)
+    set_unredirected_window (info, NULL);

  meta_window_actor_destroy (window_actor);
 }
@@ -985,6 +941,66 @@ meta_compositor_window_opacity_changed (MetaCompositor *compositor,
  meta_window_actor_update_opacity (window_actor);
 }

+void
+meta_compositor_window_surface_changed (MetaCompositor *compositor,
+                                        MetaWindow     *window)
+{
+  MetaWindowActor *window_actor;
+  window_actor = META_WINDOW_ACTOR (meta_window_get_compositor_private (window));
+  if (!window_actor)
+    return;
+
+  meta_window_actor_update_surface (window_actor);
+}
+
+static gboolean
+grab_op_is_clicking (MetaGrabOp grab_op)
+{
+  switch (grab_op)
+    {
+    case META_GRAB_OP_CLICKING_MINIMIZE:
+    case META_GRAB_OP_CLICKING_MAXIMIZE:
+    case META_GRAB_OP_CLICKING_UNMAXIMIZE:
+    case META_GRAB_OP_CLICKING_DELETE:
+    case META_GRAB_OP_CLICKING_MENU:
+    case META_GRAB_OP_CLICKING_SHADE:
+    case META_GRAB_OP_CLICKING_UNSHADE:
+    case META_GRAB_OP_CLICKING_ABOVE:
+    case META_GRAB_OP_CLICKING_UNABOVE:
+    case META_GRAB_OP_CLICKING_STICK:
+    case META_GRAB_OP_CLICKING_UNSTICK:
+      return TRUE;
+
+    default:
+      return FALSE;
+    }
+}
+
+static gboolean
+event_is_passive_button_grab (MetaDisplay   *display,
+                              XIDeviceEvent *device_event)
+{
+  /* see display.c for which events are passive button
+     grabs (meta_display_grab_window_buttons() and
+     meta_display_handle_events())
+     we need to filter them here because normally they
+     would be sent to gtk+ (they are on gtk+ frame xwindow),
+     but we want to redirect them to clutter
+  */
+
+  if (device_event->evtype != XI_ButtonPress)
+    return FALSE;
+
+  if (display->window_grab_modifiers == 0)
+    return FALSE;
+
+  if ((device_event->mods.effective & display->window_grab_modifiers) !=
+      display->window_grab_modifiers)
+    return FALSE;
+
+  return device_event->detail < 4;
+}
+
 /* Clutter makes the assumption that there is only one X window
 * per stage, which is a valid assumption to make for a generic
 * application toolkit. As such, it will ignore any events sent
@@ -996,6 +1012,7 @@ meta_compositor_window_opacity_changed (MetaCompositor *compositor,
 */
 static void
 maybe_spoof_event_as_stage_event (MetaCompScreen *info,
+                                  MetaWindow     *window,
                                  XEvent         *event)
 {
  MetaDisplay *display = meta_screen_get_display (info->screen);
@@ -1004,24 +1021,30 @@ maybe_spoof_event_as_stage_event (MetaCompScreen *info,
      event->xcookie.extension == display->xinput_opcode)
    {
      XIEvent *input_event = (XIEvent *) event->xcookie.data;
+      XIDeviceEvent *device_event = ((XIDeviceEvent *) input_event);

      switch (input_event->evtype)
        {
        case XI_Motion:
        case XI_ButtonPress:
        case XI_ButtonRelease:
+          /* If this is a window frame, and we think GTK+ needs to handle the event,
+             let GTK+ handle it without mangling */
+          if (window && window->frame && device_event->event == window->frame->xwindow &&
+              (grab_op_is_clicking (display->grab_op) ||
+               (display->grab_op == META_GRAB_OP_NONE && !event_is_passive_button_grab (display, device_event))))
+            break;
+
        case XI_KeyPress:
        case XI_KeyRelease:
-          {
-            XIDeviceEvent *device_event = ((XIDeviceEvent *) input_event);
-
            /* If this is a GTK+ widget, like a window menu, let GTK+ handle
             * it as-is without mangling. */
            if (meta_ui_window_is_widget (info->screen->ui, device_event->event))
              break;

            device_event->event = clutter_x11_get_stage_window (CLUTTER_STAGE (info->stage));
-          }
+            device_event->event_x = device_event->root_x;
+            device_event->event_y = device_event->root_y;
          break;
        default:
          break;
@@ -1041,6 +1064,12 @@ meta_compositor_process_event (MetaCompositor *compositor,
                               XEvent         *event,
                               MetaWindow     *window)
 {
+  MetaDisplay *display = compositor->display;
+  MetaScreen *screen = display->screens->data;
+  MetaCompScreen *info;
+
+  info = meta_screen_get_compositor_data (screen);
+
  if (compositor->modal_plugin && is_grabbed_event (compositor->display, event))
    {
      _meta_plugin_xevent_filter (compositor->modal_plugin, event);
@@ -1050,43 +1079,13 @@ meta_compositor_process_event (MetaCompositor *compositor,
      return TRUE;
    }

-  if (window)
+  if (!meta_is_wayland_compositor ())
+    maybe_spoof_event_as_stage_event (info, window, event);
+
+  if (meta_plugin_manager_xevent_filter (info->plugin_mgr, event))
    {
-      MetaCompScreen *info;
-      MetaScreen     *screen;
-
-      screen = meta_window_get_screen (window);
-      info = meta_screen_get_compositor_data (screen);
-
-      if (meta_plugin_manager_xevent_filter (info->plugin_mgr, event))
-	{
-	  DEBUG_TRACE ("meta_compositor_process_event (filtered,window==NULL)\n");
-	  return TRUE;
-	}
-    }
-  else
-    {
-      GSList *l;
-
-      l = meta_display_get_screens (compositor->display);
-
-      while (l)
-	{
-	  MetaScreen     *screen = l->data;
-	  MetaCompScreen *info;
-
-	  info = meta_screen_get_compositor_data (screen);
-
-          maybe_spoof_event_as_stage_event (info, event);
-
-	  if (meta_plugin_manager_xevent_filter (info->plugin_mgr, event))
-	    {
-	      DEBUG_TRACE ("meta_compositor_process_event (filtered,window==NULL)\n");
-	      return TRUE;
-	    }
-
-	  l = l->next;
-	}
+      DEBUG_TRACE ("meta_compositor_process_event (filtered,window==NULL)\n");
+      return TRUE;
    }

  if (!meta_is_wayland_compositor () &&
@@ -1402,30 +1401,6 @@ meta_compositor_sync_stack (MetaCompositor  *compositor,
  sync_actor_stacking (info);
 }

-void
-meta_compositor_window_mapped (MetaCompositor *compositor,
-                               MetaWindow     *window)
-{
-  MetaWindowActor *window_actor = META_WINDOW_ACTOR (meta_window_get_compositor_private (window));
-  DEBUG_TRACE ("meta_compositor_window_mapped\n");
-  if (!window_actor)
-    return;
-
-  meta_window_actor_mapped (window_actor);
-}
-
-void
-meta_compositor_window_unmapped (MetaCompositor *compositor,
-                                 MetaWindow     *window)
-{
-  MetaWindowActor *window_actor = META_WINDOW_ACTOR (meta_window_get_compositor_private (window));
-  DEBUG_TRACE ("meta_compositor_window_unmapped\n");
-  if (!window_actor)
-    return;
-
-  meta_window_actor_unmapped (window_actor);
-}
-
 void
 meta_compositor_sync_window_geometry (MetaCompositor *compositor,
 				      MetaWindow *window,
@@ -1533,7 +1508,6 @@ pre_paint_windows (MetaCompScreen *info)
 {
  GList *l;
  MetaWindowActor *top_window;
-  MetaWindowActor *expected_unredirected_window = NULL;

  if (info->onscreen == NULL)
    {
@@ -1547,33 +1521,13 @@ pre_paint_windows (MetaCompScreen *info)
  if (info->windows == NULL)
    return;

-  if (!meta_is_wayland_compositor ())
-    {
-      top_window = g_list_last (info->windows)->data;
+  top_window = g_list_last (info->windows)->data;

-      if (meta_window_actor_should_unredirect (top_window) &&
-          info->disable_unredirect_count == 0)
-        expected_unredirected_window = top_window;
-
-      if (info->unredirected_window != expected_unredirected_window)
-        {
-          if (info->unredirected_window != NULL)
-            {
-              meta_window_actor_set_redirected (info->unredirected_window, TRUE);
-              meta_shape_cow_for_window (meta_window_get_screen (meta_window_actor_get_meta_window (info->unredirected_window)),
-                                         NULL);
-            }
-
-          if (expected_unredirected_window != NULL)
-            {
-              meta_shape_cow_for_window (meta_window_get_screen (meta_window_actor_get_meta_window (top_window)),
-                                         meta_window_actor_get_meta_window (top_window));
-              meta_window_actor_set_redirected (top_window, FALSE);
-            }
-
-          info->unredirected_window = expected_unredirected_window;
-        }
-    }
+  if (meta_window_actor_should_unredirect (top_window) &&
+      info->disable_unredirect_count == 0)
+    set_unredirected_window (info, meta_window_actor_get_meta_window (top_window));
+  else
+    set_unredirected_window (info, NULL);

  for (l = info->windows; l; l = l->next)
    meta_window_actor_pre_paint (l->data);
@@ -1788,3 +1742,31 @@ meta_compositor_monotonic_time_to_server_time (MetaDisplay *display,
  else
    return monotonic_time + compositor->server_time_offset;
 }
+
+void
+meta_compositor_show_tile_preview (MetaCompositor *compositor,
+                                   MetaScreen     *screen,
+                                   MetaWindow     *window,
+                                   MetaRectangle  *tile_rect,
+                                   int             tile_monitor_number)
+{
+  MetaCompScreen *info = meta_screen_get_compositor_data (screen);
+
+  if (!info->plugin_mgr)
+    return;
+
+  meta_plugin_manager_show_tile_preview (info->plugin_mgr,
+                                         window, tile_rect, tile_monitor_number);
+}
+
+void
+meta_compositor_hide_tile_preview (MetaCompositor *compositor,
+                                   MetaScreen     *screen)
+{
+  MetaCompScreen *info = meta_screen_get_compositor_data (screen);
+
+  if (!info->plugin_mgr)
+    return;
+
+  meta_plugin_manager_hide_tile_preview (info->plugin_mgr);
+}
--- a/src/compositor/meta-background-actor.c
+++ b/src/compositor/meta-background-actor.c
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Portions adapted from gnome-shell/src/shell-global.c
 */
--- a/src/compositor/meta-background.c
+++ b/src/compositor/meta-background.c
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
--- a/src/compositor/meta-cullable.c
+++ b/src/compositor/meta-cullable.c
@@ -13,9 +13,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Written by:
 *     Owen Taylor <otaylor@redhat.com>
@@ -72,10 +70,16 @@ meta_cullable_cull_out_children (MetaCullable   *cullable,
  while (clutter_actor_iter_prev (&iter, &child))
    {
      float x, y;
+      gboolean needs_culling;

-      if (!CLUTTER_ACTOR_IS_VISIBLE (child))
+      if (!META_IS_CULLABLE (child))
        continue;

+      needs_culling = (unobscured_region != NULL && clip_region != NULL);
+
+      if (needs_culling && !CLUTTER_ACTOR_IS_VISIBLE (child))
+        needs_culling = FALSE;
+
      /* If an actor has effects applied, then that can change the area
       * it paints and the opacity, so we no longer can figure out what
       * portion of the actor is obscured and what portion of the screen
@@ -92,25 +96,29 @@ meta_cullable_cull_out_children (MetaCullable   *cullable,
       * as well for the same reason, but omitted for simplicity in the
       * hopes that no-one will do that.
       */
-      if (clutter_actor_has_effects (child))
-        continue;
+      if (needs_culling && clutter_actor_has_effects (child))
+        needs_culling = FALSE;

-      if (!META_IS_CULLABLE (child))
-        continue;
+      if (needs_culling && !meta_actor_is_untransformed (child, NULL, NULL))
+        needs_culling = FALSE;

-      if (!meta_actor_is_untransformed (child, NULL, NULL))
-        continue;
+      if (needs_culling)
+        {
+          clutter_actor_get_position (child, &x, &y);

-      clutter_actor_get_position (child, &x, &y);
+          /* Temporarily move to the coordinate system of the actor */
+          cairo_region_translate (unobscured_region, - x, - y);
+          cairo_region_translate (clip_region, - x, - y);

-      /* Temporarily move to the coordinate system of the actor */
-      cairo_region_translate (unobscured_region, - x, - y);
-      cairo_region_translate (clip_region, - x, - y);
+          meta_cullable_cull_out (META_CULLABLE (child), unobscured_region, clip_region);

-      meta_cullable_cull_out (META_CULLABLE (child), unobscured_region, clip_region);
-
-      cairo_region_translate (unobscured_region, x, y);
-      cairo_region_translate (clip_region, x, y);
+          cairo_region_translate (unobscured_region, x, y);
+          cairo_region_translate (clip_region, x, y);
+        }
+      else
+        {
+          meta_cullable_cull_out (META_CULLABLE (child), NULL, NULL);
+        }
    }
 }

--- a/src/compositor/meta-cullable.h
+++ b/src/compositor/meta-cullable.h
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Written by:
 *     Owen Taylor <otaylor@redhat.com>
--- a/src/compositor/meta-module.c
+++ b/src/compositor/meta-module.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <meta/meta-plugin.h>
--- a/src/compositor/meta-module.h
+++ b/src/compositor/meta-module.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_MODULE_H_
--- a/src/compositor/meta-plugin-manager.c
+++ b/src/compositor/meta-plugin-manager.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "config.h"
@@ -326,3 +324,44 @@ meta_plugin_manager_confirm_display_change (MetaPluginManager *plugin_mgr)
  else
    return meta_plugin_complete_display_change (plugin, TRUE);
 }
+
+gboolean
+meta_plugin_manager_show_tile_preview (MetaPluginManager *plugin_mgr,
+                                       MetaWindow        *window,
+                                       MetaRectangle     *tile_rect,
+                                       int                tile_monitor_number)
+{
+  MetaPlugin *plugin = plugin_mgr->plugin;
+  MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
+  MetaDisplay *display  = meta_screen_get_display (plugin_mgr->screen);
+
+  if (display->display_opening)
+    return FALSE;
+
+  if (klass->show_tile_preview)
+    {
+      klass->show_tile_preview (plugin, window, tile_rect, tile_monitor_number);
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+meta_plugin_manager_hide_tile_preview (MetaPluginManager *plugin_mgr)
+{
+  MetaPlugin *plugin = plugin_mgr->plugin;
+  MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
+  MetaDisplay *display  = meta_screen_get_display (plugin_mgr->screen);
+
+  if (display->display_opening)
+    return FALSE;
+
+  if (klass->hide_tile_preview)
+    {
+      klass->hide_tile_preview (plugin);
+      return TRUE;
+    }
+
+  return FALSE;
+}
--- a/src/compositor/meta-plugin-manager.h
+++ b/src/compositor/meta-plugin-manager.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_PLUGIN_MANAGER_H_
@@ -77,4 +75,9 @@ gboolean _meta_plugin_xevent_filter (MetaPlugin *plugin,

 void     meta_plugin_manager_confirm_display_change (MetaPluginManager *mgr);

+gboolean meta_plugin_manager_show_tile_preview (MetaPluginManager *mgr,
+                                                MetaWindow        *window,
+                                                MetaRectangle     *tile_rect,
+                                                int                tile_monitor_number);
+gboolean meta_plugin_manager_hide_tile_preview (MetaPluginManager *mgr);
 #endif
--- a/src/compositor/meta-plugin.c
+++ b/src/compositor/meta-plugin.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
@@ -32,6 +30,7 @@
 #include "meta-plugin-manager.h"
 #include <meta/screen.h>
 #include <meta/display.h>
+#include <meta/util.h>

 #include <string.h>
 #include <X11/Xlib.h>
--- a/src/compositor/meta-shadow-factory-private.h
+++ b/src/compositor/meta-shadow-factory-private.h
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_SHADOW_FACTORY_PRIVATE_H__
--- a/src/compositor/meta-shadow-factory.c
+++ b/src/compositor/meta-shadow-factory.c
@@ -13,9 +13,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
--- a/src/compositor/meta-shaped-texture-private.h
+++ b/src/compositor/meta-shaped-texture-private.h
@@ -32,5 +32,8 @@
 ClutterActor *meta_shaped_texture_new (void);
 void meta_shaped_texture_set_texture (MetaShapedTexture *stex,
                                      CoglTexture       *texture);
+gboolean meta_shaped_texture_get_unobscured_bounds (MetaShapedTexture     *stex,
+                                                    cairo_rectangle_int_t *unobscured_bounds);
+gboolean meta_shaped_texture_is_obscured (MetaShapedTexture *self);

 #endif
--- a/src/compositor/meta-shaped-texture.c
+++ b/src/compositor/meta-shaped-texture.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
@@ -35,6 +33,7 @@
 #include "meta-texture-tower.h"

 #include "meta-shaped-texture-private.h"
+#include "meta-window-actor-private.h"

 #include <clutter/clutter.h>
 #include <cogl/cogl.h>
@@ -44,8 +43,6 @@
 static void meta_shaped_texture_dispose  (GObject    *object);

 static void meta_shaped_texture_paint (ClutterActor       *actor);
-static void meta_shaped_texture_pick  (ClutterActor       *actor,
-				       const ClutterColor *color);

 static void meta_shaped_texture_get_preferred_width (ClutterActor *self,
                                                     gfloat        for_height,
@@ -75,10 +72,13 @@ struct _MetaShapedTexturePrivate
  CoglTexture *texture;
  CoglTexture *mask_texture;

-  cairo_region_t *clip_region;
-  cairo_region_t *input_shape_region;
+  /* The region containing only fully opaque pixels */
  cairo_region_t *opaque_region;

+  /* MetaCullable regions, see that documentation for more details */
+  cairo_region_t *clip_region;
+  cairo_region_t *unobscured_region;
+
  guint tex_width, tex_height;

  guint create_mipmaps : 1;
@@ -95,7 +95,6 @@ meta_shaped_texture_class_init (MetaShapedTextureClass *klass)
  actor_class->get_preferred_width = meta_shaped_texture_get_preferred_width;
  actor_class->get_preferred_height = meta_shaped_texture_get_preferred_height;
  actor_class->paint = meta_shaped_texture_paint;
-  actor_class->pick = meta_shaped_texture_pick;
  actor_class->get_paint_volume = meta_shaped_texture_get_paint_volume;

  g_type_class_add_private (klass, sizeof (MetaShapedTexturePrivate));
@@ -115,6 +114,21 @@ meta_shaped_texture_init (MetaShapedTexture *self)
  priv->create_mipmaps = TRUE;
 }

+static void
+set_unobscured_region (MetaShapedTexture *self,
+                       cairo_region_t    *unobscured_region)
+{
+  MetaShapedTexturePrivate *priv = self->priv;
+
+  g_clear_pointer (&priv->unobscured_region, (GDestroyNotify) cairo_region_destroy);
+  if (unobscured_region)
+    {
+      cairo_rectangle_int_t bounds = { 0, 0, priv->tex_width, priv->tex_height };
+      priv->unobscured_region = cairo_region_copy (unobscured_region);
+      cairo_region_intersect_rectangle (priv->unobscured_region, &bounds);
+    }
+}
+
 static void
 set_clip_region (MetaShapedTexture *self,
                 cairo_region_t    *clip_region)
@@ -140,6 +154,7 @@ meta_shaped_texture_dispose (GObject *object)
  g_clear_pointer (&priv->opaque_region, cairo_region_destroy);

  meta_shaped_texture_set_mask_texture (self, NULL);
+  set_unobscured_region (self, NULL);
  set_clip_region (self, NULL);

  G_OBJECT_CLASS (meta_shaped_texture_parent_class)->dispose (object);
@@ -444,71 +459,6 @@ meta_shaped_texture_paint (ClutterActor *actor)
    cairo_region_destroy (blended_region);
 }

-static void
-meta_shaped_texture_pick (ClutterActor       *actor,
-			  const ClutterColor *color)
-{
-  MetaShapedTexture *stex = (MetaShapedTexture *) actor;
-  MetaShapedTexturePrivate *priv = stex->priv;
-
-  if (!clutter_actor_should_pick_paint (actor) ||
-      (priv->clip_region && cairo_region_is_empty (priv->clip_region)))
-    return;
-
-  /* If there is no region then use the regular pick */
-  if (priv->input_shape_region == NULL)
-    CLUTTER_ACTOR_CLASS (meta_shaped_texture_parent_class)->pick (actor, color);
-  else
-    {
-      int n_rects;
-      float *rectangles;
-      int i;
-      CoglPipeline *pipeline;
-      CoglContext *ctx;
-      CoglFramebuffer *fb;
-      CoglColor cogl_color;
-
-      /* Note: We don't bother trying to intersect the pick and clip regions
-       * since needing to copy the region, do the intersection, and probably
-       * increase the number of rectangles seems more likely to have a negative
-       * effect.
-       *
-       * NB: Most of the time when just using rectangles for picking then
-       * picking shouldn't involve any rendering, and minimizing the number of
-       * rectangles has more benefit than reducing the area of the pick
-       * region.
-       */
-
-      n_rects = cairo_region_num_rectangles (priv->input_shape_region);
-      rectangles = g_alloca (sizeof (float) * 4 * n_rects);
-
-      for (i = 0; i < n_rects; i++)
-        {
-          cairo_rectangle_int_t rect;
-          int pos = i * 4;
-
-          cairo_region_get_rectangle (priv->input_shape_region, i, &rect);
-
-          rectangles[pos] = rect.x;
-          rectangles[pos + 1] = rect.y;
-          rectangles[pos + 2] = rect.x + rect.width;
-          rectangles[pos + 3] = rect.y + rect.height;
-        }
-
-      ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
-      fb = cogl_get_draw_framebuffer ();
-
-      cogl_color_init_from_4ub (&cogl_color, color->red, color->green, color->blue, color->alpha);
-
-      pipeline = cogl_pipeline_new (ctx);
-      cogl_pipeline_set_color (pipeline, &cogl_color);
-
-      cogl_framebuffer_draw_rectangles (fb, pipeline,
-                                        rectangles, n_rects);
-      cogl_object_unref (pipeline);
-    }
-}
-
 static void
 meta_shaped_texture_get_preferred_width (ClutterActor *self,
                                         gfloat        for_height,
@@ -548,10 +498,37 @@ meta_shaped_texture_get_preferred_height (ClutterActor *self,
 }

 static gboolean
-meta_shaped_texture_get_paint_volume (ClutterActor *self,
+meta_shaped_texture_get_paint_volume (ClutterActor *actor,
                                      ClutterPaintVolume *volume)
 {
-  return clutter_paint_volume_set_from_allocation (volume, self);
+  MetaShapedTexture *self = META_SHAPED_TEXTURE (actor);
+  cairo_rectangle_int_t unobscured_bounds;
+
+  if (!clutter_paint_volume_set_from_allocation (volume, actor))
+    return FALSE;
+
+  if (meta_shaped_texture_get_unobscured_bounds (self, &unobscured_bounds))
+    {
+      ClutterVertex origin;
+      cairo_rectangle_int_t bounds;
+
+      /* I hate ClutterPaintVolume so much... */
+      clutter_paint_volume_get_origin (volume, &origin);
+      bounds.x = origin.x;
+      bounds.y = origin.y;
+      bounds.width = clutter_paint_volume_get_width (volume);
+      bounds.height = clutter_paint_volume_get_height (volume);
+
+      gdk_rectangle_intersect (&bounds, &unobscured_bounds, &bounds);
+
+      origin.x = bounds.x;
+      origin.y = bounds.y;
+      clutter_paint_volume_set_origin (volume, &origin);
+      clutter_paint_volume_set_width (volume, bounds.width);
+      clutter_paint_volume_set_height (volume, bounds.height);
+    }
+
+  return TRUE;
 }

 void
@@ -596,50 +573,48 @@ meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex,
  clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
 }

-static gboolean
-get_clip (MetaShapedTexture *stex,
-          int x,
-          int y,
-          int width,
-          int height,
-          cairo_rectangle_int_t *clip)
+static cairo_region_t *
+effective_unobscured_region (MetaShapedTexture *self)
 {
-  ClutterActor *self = CLUTTER_ACTOR (stex);
-  MetaShapedTexturePrivate *priv;
-  ClutterActorBox allocation;
-  float scale_x;
-  float scale_y;
+  MetaShapedTexturePrivate *priv = self->priv;
+  ClutterActor *parent = clutter_actor_get_parent (CLUTTER_ACTOR (self));

-  /* NB: clutter_actor_queue_redraw_with_clip expects a box in the actor's
-   * coordinate space so we need to convert from surface coordinates to
-   * actor coordinates...
-   */
+  if (clutter_actor_has_mapped_clones (CLUTTER_ACTOR (self)))
+    return NULL;

-  /* Calling clutter_actor_get_allocation_box() is enormously expensive
-   * if the actor has an out-of-date allocation, since it triggers
-   * a full redraw. clutter_actor_queue_redraw_with_clip() would redraw
-   * the whole stage anyways in that case, so just go ahead and do
-   * it here.
-   */
-  if (!clutter_actor_has_allocation (self))
+  while (parent && !META_IS_WINDOW_ACTOR (parent))
+    parent = clutter_actor_get_parent (parent);
+
+  if (parent && clutter_actor_has_mapped_clones (parent))
+    return NULL;
+
+  return priv->unobscured_region;
+}
+
+gboolean
+meta_shaped_texture_get_unobscured_bounds (MetaShapedTexture     *self,
+                                           cairo_rectangle_int_t *unobscured_bounds)
+{
+  cairo_region_t *unobscured_region = effective_unobscured_region (self);
+
+  if (unobscured_region)
+    {
+      cairo_region_get_extents (unobscured_region, unobscured_bounds);
+      return TRUE;
+    }
+  else
    return FALSE;
+}

-  priv = stex->priv;
+gboolean
+meta_shaped_texture_is_obscured (MetaShapedTexture *self)
+{
+  cairo_region_t *unobscured_region = effective_unobscured_region (self);

-  if (priv->tex_width == 0 || priv->tex_height == 0)
+  if (unobscured_region)
+    return cairo_region_is_empty (unobscured_region);
+  else
    return FALSE;
-
-  clutter_actor_get_allocation_box (self, &allocation);
-
-  scale_x = (allocation.x2 - allocation.x1) / priv->tex_width;
-  scale_y = (allocation.y2 - allocation.y1) / priv->tex_height;
-
-  clip->x = x * scale_x;
-  clip->y = y * scale_y;
-  clip->width = width * scale_x;
-  clip->height = height * scale_y;
-
-  return TRUE;
 }

 /**
@@ -649,14 +624,9 @@ get_clip (MetaShapedTexture *stex,
 * @y: the y coordinate of the damaged area
 * @width: the width of the damaged area
 * @height: the height of the damaged area
- * @unobscured_region: The unobscured region of the window or %NULL if
- * there is no valid one (like when the actor is transformed or
- * has a mapped clone)
 *
 * Repairs the damaged area indicated by @x, @y, @width and @height
- * and queues a redraw for the intersection @unobscured_region and
- * the damage area. If @unobscured_region is %NULL a redraw will always
- * get queued.
+ * and potentially queues a redraw.
 *
 * Return value: Whether a redraw have been queued or not
 */
@@ -665,12 +635,11 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,
 				 int                x,
 				 int                y,
 				 int                width,
-				 int                height,
-				 cairo_region_t    *unobscured_region)
+				 int                height)
 {
  MetaShapedTexturePrivate *priv;
-  cairo_rectangle_int_t clip;
-  gboolean has_clip;
+  cairo_region_t *unobscured_region;
+  const cairo_rectangle_int_t clip = { x, y, width, height };

  priv = stex->priv;

@@ -679,8 +648,7 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,

  meta_texture_tower_update_area (priv->paint_tower, x, y, width, height);

-  has_clip = get_clip (stex, x, y, width, height, &clip);
-
+  unobscured_region = effective_unobscured_region (stex);
  if (unobscured_region)
    {
      cairo_region_t *intersection;
@@ -689,8 +657,7 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,
        return FALSE;

      intersection = cairo_region_copy (unobscured_region);
-      if (has_clip)
-	cairo_region_intersect_rectangle (intersection, &clip);
+      cairo_region_intersect_rectangle (intersection, &clip);

      if (!cairo_region_is_empty (intersection))
        {
@@ -698,21 +665,17 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,
          cairo_region_get_extents (intersection, &damage_rect);
          clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stex), &damage_rect);
          cairo_region_destroy (intersection);
-
          return TRUE;
        }

      cairo_region_destroy (intersection);
-
      return FALSE;
    }
-
-  if (has_clip)
-    clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stex), &clip);
  else
-    clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
-
-  return TRUE;
+    {
+      clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stex), &clip);
+      return TRUE;
+    }
 }

 /**
@@ -742,41 +705,6 @@ meta_shaped_texture_get_texture (MetaShapedTexture *stex)
  return COGL_TEXTURE (stex->priv->texture);
 }

-/**
- * meta_shaped_texture_set_input_shape_region:
- * @stex: a #MetaShapedTexture
- * @shape_region: the region of the texture that should respond to
- *    input.
- *
- * Determines what region of the texture should accept input. For
- * X based windows this is defined by the ShapeInput region of the
- * window.
- */
-void
-meta_shaped_texture_set_input_shape_region (MetaShapedTexture *stex,
-                                            cairo_region_t    *shape_region)
-{
-  MetaShapedTexturePrivate *priv;
-
-  g_return_if_fail (META_IS_SHAPED_TEXTURE (stex));
-
-  priv = stex->priv;
-
-  if (priv->input_shape_region != NULL)
-    {
-      cairo_region_destroy (priv->input_shape_region);
-      priv->input_shape_region = NULL;
-    }
-
-  if (shape_region != NULL)
-    {
-      cairo_region_reference (shape_region);
-      priv->input_shape_region = shape_region;
-    }
-
-  clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
-}
-
 /**
 * meta_shaped_texture_set_opaque_region:
 * @stex: a #MetaShapedTexture
@@ -913,14 +841,17 @@ meta_shaped_texture_cull_out (MetaCullable   *cullable,
  MetaShapedTexture *self = META_SHAPED_TEXTURE (cullable);
  MetaShapedTexturePrivate *priv = self->priv;

+  set_unobscured_region (self, unobscured_region);
  set_clip_region (self, clip_region);

  if (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self)) == 0xff)
    {
      if (priv->opaque_region)
        {
-          cairo_region_subtract (unobscured_region, priv->opaque_region);
-          cairo_region_subtract (clip_region, priv->opaque_region);
+          if (unobscured_region)
+            cairo_region_subtract (unobscured_region, priv->opaque_region);
+          if (clip_region)
+            cairo_region_subtract (clip_region, priv->opaque_region);
        }
    }
 }
--- a/src/compositor/meta-surface-actor-wayland.c
+++ b/src/compositor/meta-surface-actor-wayland.c
@@ -0,0 +1,164 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2013 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:
+ *     Jasper St. Pierre <jstpierre@mecheye.net>
+ */
+
+#include "config.h"
+
+#include "meta-surface-actor-wayland.h"
+
+#include <cogl/cogl-wayland-server.h>
+#include "meta-shaped-texture-private.h"
+#include "meta-wayland-private.h"
+
+struct _MetaSurfaceActorWaylandPrivate
+{
+  MetaWaylandSurface *surface;
+  MetaWaylandBuffer *buffer;
+};
+typedef struct _MetaSurfaceActorWaylandPrivate MetaSurfaceActorWaylandPrivate;
+
+G_DEFINE_TYPE_WITH_PRIVATE (MetaSurfaceActorWayland, meta_surface_actor_wayland, META_TYPE_SURFACE_ACTOR)
+
+static void
+meta_surface_actor_wayland_process_damage (MetaSurfaceActor *actor,
+                                           int x, int y, int width, int height)
+{
+  MetaSurfaceActorWayland *self = META_SURFACE_ACTOR_WAYLAND (actor);
+  MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
+
+  struct wl_resource *resource = priv->buffer->resource;
+  struct wl_shm_buffer *shm_buffer = wl_shm_buffer_get (resource);
+
+  if (shm_buffer)
+    {
+      CoglTexture2D *texture = COGL_TEXTURE_2D (priv->buffer->texture);
+      cogl_wayland_texture_set_region_from_shm_buffer (texture, x, y, width, height, shm_buffer, x, y, 0, NULL);
+    }
+
+  meta_surface_actor_update_area (META_SURFACE_ACTOR (self), x, y, width, height);
+}
+
+static void
+meta_surface_actor_wayland_pre_paint (MetaSurfaceActor *actor)
+{
+}
+
+static gboolean
+meta_surface_actor_wayland_is_argb32 (MetaSurfaceActor *actor)
+{
+  /* XXX -- look at the SHM buffer format. */
+  return TRUE;
+}
+
+static gboolean
+meta_surface_actor_wayland_is_visible (MetaSurfaceActor *actor)
+{
+  /* TODO: ensure that the buffer isn't NULL, implement
+   * wayland mapping semantics */
+  return TRUE;
+}
+
+static gboolean
+meta_surface_actor_wayland_should_unredirect (MetaSurfaceActor *actor)
+{
+  return FALSE;
+}
+
+static void
+meta_surface_actor_wayland_set_unredirected (MetaSurfaceActor *actor,
+                                             gboolean          unredirected)
+{
+  /* Do nothing. In the future, we'll use KMS to set this
+   * up as a hardware overlay or something. */
+}
+
+static gboolean
+meta_surface_actor_wayland_is_unredirected (MetaSurfaceActor *actor)
+{
+  return FALSE;
+}
+
+static MetaWindow *
+meta_surface_actor_wayland_get_window (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (META_SURFACE_ACTOR_WAYLAND (actor));
+
+  return priv->surface->window;
+}
+
+static void
+meta_surface_actor_wayland_class_init (MetaSurfaceActorWaylandClass *klass)
+{
+  MetaSurfaceActorClass *surface_actor_class = META_SURFACE_ACTOR_CLASS (klass);
+
+  surface_actor_class->process_damage = meta_surface_actor_wayland_process_damage;
+  surface_actor_class->pre_paint = meta_surface_actor_wayland_pre_paint;
+  surface_actor_class->is_argb32 = meta_surface_actor_wayland_is_argb32;
+  surface_actor_class->is_visible = meta_surface_actor_wayland_is_visible;
+
+  surface_actor_class->should_unredirect = meta_surface_actor_wayland_should_unredirect;
+  surface_actor_class->set_unredirected = meta_surface_actor_wayland_set_unredirected;
+  surface_actor_class->is_unredirected = meta_surface_actor_wayland_is_unredirected;
+
+  surface_actor_class->get_window = meta_surface_actor_wayland_get_window;
+}
+
+static void
+meta_surface_actor_wayland_init (MetaSurfaceActorWayland *self)
+{
+}
+
+MetaSurfaceActor *
+meta_surface_actor_wayland_new (MetaWaylandSurface *surface)
+{
+  MetaSurfaceActorWayland *self = g_object_new (META_TYPE_SURFACE_ACTOR_WAYLAND, NULL);
+  MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
+
+  g_assert (meta_is_wayland_compositor ());
+
+  priv->surface = surface;
+
+  return META_SURFACE_ACTOR (self);
+}
+
+void
+meta_surface_actor_wayland_set_buffer (MetaSurfaceActorWayland *self,
+                                       MetaWaylandBuffer       *buffer)
+{
+  MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
+  MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
+
+  priv->buffer = buffer;
+
+  if (buffer)
+    meta_shaped_texture_set_texture (stex, buffer->texture);
+  else
+    meta_shaped_texture_set_texture (stex, NULL);
+}
+
+MetaWaylandSurface *
+meta_surface_actor_wayland_get_surface (MetaSurfaceActorWayland *self)
+{
+  MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
+  return priv->surface;
+}
--- a/src/compositor/meta-surface-actor-wayland.h
+++ b/src/compositor/meta-surface-actor-wayland.h
@@ -0,0 +1,66 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2013 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:
+ *     Jasper St. Pierre <jstpierre@mecheye.net>
+ */
+
+#ifndef __META_SURFACE_ACTOR_WAYLAND_H__
+#define __META_SURFACE_ACTOR_WAYLAND_H__
+
+#include <glib-object.h>
+
+#include "meta-surface-actor.h"
+
+#include "meta-wayland.h"
+
+G_BEGIN_DECLS
+
+#define META_TYPE_SURFACE_ACTOR_WAYLAND            (meta_surface_actor_wayland_get_type ())
+#define META_SURFACE_ACTOR_WAYLAND(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_SURFACE_ACTOR_WAYLAND, MetaSurfaceActorWayland))
+#define META_SURFACE_ACTOR_WAYLAND_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  META_TYPE_SURFACE_ACTOR_WAYLAND, MetaSurfaceActorWaylandClass))
+#define META_IS_SURFACE_ACTOR_WAYLAND(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_SURFACE_ACTOR_WAYLAND))
+#define META_IS_SURFACE_ACTOR_WAYLAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  META_TYPE_SURFACE_ACTOR_WAYLAND))
+#define META_SURFACE_ACTOR_WAYLAND_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  META_TYPE_SURFACE_ACTOR_WAYLAND, MetaSurfaceActorWaylandClass))
+
+typedef struct _MetaSurfaceActorWayland      MetaSurfaceActorWayland;
+typedef struct _MetaSurfaceActorWaylandClass MetaSurfaceActorWaylandClass;
+
+struct _MetaSurfaceActorWayland
+{
+  MetaSurfaceActor parent;
+};
+
+struct _MetaSurfaceActorWaylandClass
+{
+  MetaSurfaceActorClass parent_class;
+};
+
+GType meta_surface_actor_wayland_get_type (void);
+
+MetaSurfaceActor * meta_surface_actor_wayland_new (MetaWaylandSurface *surface);
+MetaWaylandSurface * meta_surface_actor_wayland_get_surface (MetaSurfaceActorWayland *self);
+
+void meta_surface_actor_wayland_set_buffer (MetaSurfaceActorWayland *self,
+                                            MetaWaylandBuffer         *buffer);
+
+G_END_DECLS
+
+#endif /* __META_SURFACE_ACTOR_WAYLAND_H__ */
--- a/src/compositor/meta-surface-actor-x11.c
+++ b/src/compositor/meta-surface-actor-x11.c
@@ -0,0 +1,486 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2013 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:
+ *     Owen Taylor <otaylor@redhat.com>
+ *     Jasper St. Pierre <jstpierre@mecheye.net>
+ */
+
+#include "config.h"
+
+#include "meta-surface-actor-x11.h"
+
+#include <X11/extensions/Xcomposite.h>
+#include <X11/extensions/Xrender.h>
+#include <cogl/cogl-texture-pixmap-x11.h>
+
+#include <meta/errors.h>
+#include "window-private.h"
+#include "meta-shaped-texture-private.h"
+#include "meta-cullable.h"
+
+struct _MetaSurfaceActorX11Private
+{
+  MetaWindow *window;
+
+  MetaDisplay *display;
+
+  CoglTexture *texture;
+  Pixmap pixmap;
+  Damage damage;
+
+  int last_width;
+  int last_height;
+
+  /* This is used to detect fullscreen windows that need to be unredirected */
+  guint full_damage_frames_count;
+  guint does_full_damage  : 1;
+
+  /* Other state... */
+  guint argb32 : 1;
+  guint received_damage : 1;
+  guint size_changed : 1;
+
+  guint unredirected   : 1;
+};
+typedef struct _MetaSurfaceActorX11Private MetaSurfaceActorX11Private;
+
+G_DEFINE_TYPE_WITH_PRIVATE (MetaSurfaceActorX11, meta_surface_actor_x11, META_TYPE_SURFACE_ACTOR)
+
+static void
+free_damage (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = priv->display;
+  Display *xdisplay = meta_display_get_xdisplay (display);
+
+  if (priv->damage == None)
+    return;
+
+  meta_error_trap_push (display);
+  XDamageDestroy (xdisplay, priv->damage);
+  priv->damage = None;
+  meta_error_trap_pop (display);
+}
+
+static void
+detach_pixmap (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = priv->display;
+  Display *xdisplay = meta_display_get_xdisplay (display);
+  MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
+
+  if (priv->pixmap == None)
+    return;
+
+  /* Get rid of all references to the pixmap before freeing it; it's unclear whether
+   * you are supposed to be able to free a GLXPixmap after freeing the underlying
+   * pixmap, but it certainly doesn't work with current DRI/Mesa
+   */
+  meta_shaped_texture_set_texture (stex, NULL);
+  cogl_flush ();
+
+  meta_error_trap_push (display);
+  XFreePixmap (xdisplay, priv->pixmap);
+  priv->pixmap = None;
+  meta_error_trap_pop (display);
+
+  cogl_object_unref (priv->texture);
+  priv->texture = NULL;
+}
+
+static void
+set_pixmap (MetaSurfaceActorX11 *self,
+            Pixmap               pixmap)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
+  MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
+  CoglTexture *texture;
+
+  g_assert (priv->pixmap == None);
+  priv->pixmap = pixmap;
+
+  texture = COGL_TEXTURE (cogl_texture_pixmap_x11_new (ctx, priv->pixmap, FALSE, NULL));
+
+  if (G_UNLIKELY (!cogl_texture_pixmap_x11_is_using_tfp_extension (COGL_TEXTURE_PIXMAP_X11 (texture))))
+    g_warning ("NOTE: Not using GLX TFP!\n");
+
+  priv->texture = texture;
+  meta_shaped_texture_set_texture (stex, texture);
+}
+
+static void
+update_pixmap (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = priv->display;
+  Display *xdisplay = meta_display_get_xdisplay (display);
+
+  if (priv->size_changed)
+    {
+      detach_pixmap (self);
+      priv->size_changed = FALSE;
+    }
+
+  if (priv->pixmap == None)
+    {
+      Pixmap new_pixmap;
+      Window xwindow = meta_window_get_toplevel_xwindow (priv->window);
+
+      meta_error_trap_push (display);
+      new_pixmap = XCompositeNameWindowPixmap (xdisplay, xwindow);
+
+      if (meta_error_trap_pop_with_return (display) != Success)
+        {
+          /* Probably a BadMatch if the window isn't viewable; we could
+           * GrabServer/GetWindowAttributes/NameWindowPixmap/UngrabServer/Sync
+           * to avoid this, but there's no reason to take two round trips
+           * when one will do. (We need that Sync if we want to handle failures
+           * for any reason other than !viewable. That's unlikely, but maybe
+           * we'll BadAlloc or something.)
+           */
+          new_pixmap = None;
+        }
+
+      if (new_pixmap == None)
+        {
+          meta_verbose ("Unable to get named pixmap for %s\n",
+                        meta_window_get_description (priv->window));
+          return;
+        }
+
+      set_pixmap (self, new_pixmap);
+    }
+}
+
+static gboolean
+is_visible (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  return (priv->pixmap != None) && !priv->unredirected;
+}
+
+static void
+damage_area (MetaSurfaceActorX11 *self,
+             int x, int y, int width, int height)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  if (!is_visible (self))
+    return;
+
+  cogl_texture_pixmap_x11_update_area (priv->texture, x, y, width, height);
+  meta_surface_actor_update_area (META_SURFACE_ACTOR (self), x, y, width, height);
+}
+
+static void
+meta_surface_actor_x11_process_damage (MetaSurfaceActor *actor,
+                                       int x, int y, int width, int height)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  priv->received_damage = TRUE;
+
+  if (meta_window_is_fullscreen (priv->window) && !priv->unredirected && !priv->does_full_damage)
+    {
+      MetaRectangle window_rect;
+      meta_window_get_frame_rect (priv->window, &window_rect);
+
+      if (window_rect.x == x &&
+          window_rect.y == y &&
+          window_rect.width == width &&
+          window_rect.height == height)
+        priv->full_damage_frames_count++;
+      else
+        priv->full_damage_frames_count = 0;
+
+      if (priv->full_damage_frames_count >= 100)
+        priv->does_full_damage = TRUE;
+    }
+
+  /* Drop damage event for unredirected windows */
+  if (priv->unredirected)
+    return;
+
+  damage_area (self, x, y, width, height);
+}
+
+static void
+meta_surface_actor_x11_pre_paint (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = priv->display;
+  Display *xdisplay = meta_display_get_xdisplay (display);
+
+  if (priv->received_damage)
+    {
+      meta_error_trap_push (display);
+      XDamageSubtract (xdisplay, priv->damage, None, None);
+      meta_error_trap_pop (display);
+
+      /* We need to make sure that any X drawing that happens before the
+       * XDamageSubtract() above is visible to subsequent GL rendering;
+       * the only standardized way to do this is EXT_x11_sync_object,
+       * which isn't yet widely available. For now, we count on details
+       * of Xorg and the open source drivers, and hope for the best
+       * otherwise.
+       *
+       * Xorg and open source driver specifics:
+       *
+       * The X server makes sure to flush drawing to the kernel before
+       * sending out damage events, but since we use DamageReportBoundingBox
+       * there may be drawing between the last damage event and the
+       * XDamageSubtract() that needs to be flushed as well.
+       *
+       * Xorg always makes sure that drawing is flushed to the kernel
+       * before writing events or responses to the client, so any round trip
+       * request at this point is sufficient to flush the GLX buffers.
+       */
+      XSync (xdisplay, False);
+
+      priv->received_damage = FALSE;
+    }
+
+  update_pixmap (self);
+}
+
+static void
+update_is_argb32 (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = priv->display;
+  Display *xdisplay = meta_display_get_xdisplay (display);
+
+  XRenderPictFormat *format;
+  format = XRenderFindVisualFormat (xdisplay, priv->window->xvisual);
+
+  priv->argb32 = (format && format->type == PictTypeDirect && format->direct.alphaMask);
+}
+
+static gboolean
+meta_surface_actor_x11_is_argb32 (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  return priv->argb32;
+}
+
+static gboolean
+meta_surface_actor_x11_is_visible (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  return is_visible (self);
+}
+
+static gboolean
+meta_surface_actor_x11_should_unredirect (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  MetaWindow *window = priv->window;
+
+  if (meta_window_requested_dont_bypass_compositor (window))
+    return FALSE;
+
+  if (window->opacity != 0xFF)
+    return FALSE;
+
+  if (window->shape_region != NULL)
+    return FALSE;
+
+  if (priv->argb32 && !meta_window_requested_bypass_compositor (window))
+    return FALSE;
+
+  if (!meta_window_is_monitor_sized (window))
+    return FALSE;
+
+  if (meta_window_requested_bypass_compositor (window))
+    return TRUE;
+
+  if (meta_window_is_override_redirect (window))
+    return TRUE;
+
+  if (priv->does_full_damage)
+    return TRUE;
+
+  return FALSE;
+}
+
+static void
+sync_unredirected (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = priv->display;
+  Display *xdisplay = meta_display_get_xdisplay (display);
+  Window xwindow = meta_window_get_toplevel_xwindow (priv->window);
+
+  meta_error_trap_push (display);
+
+  if (priv->unredirected)
+    {
+      detach_pixmap (self);
+      XCompositeUnredirectWindow (xdisplay, xwindow, CompositeRedirectManual);
+    }
+  else
+    {
+      XCompositeRedirectWindow (xdisplay, xwindow, CompositeRedirectManual);
+    }
+
+  meta_error_trap_pop (display);
+}
+
+static void
+meta_surface_actor_x11_set_unredirected (MetaSurfaceActor *actor,
+                                         gboolean          unredirected)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  if (priv->unredirected == unredirected)
+    return;
+
+  priv->unredirected = unredirected;
+  sync_unredirected (self);
+}
+
+static gboolean
+meta_surface_actor_x11_is_unredirected (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  return priv->unredirected;
+}
+
+static void
+meta_surface_actor_x11_dispose (GObject *object)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (object);
+
+  detach_pixmap (self);
+  free_damage (self);
+
+  G_OBJECT_CLASS (meta_surface_actor_x11_parent_class)->dispose (object);
+}
+
+static MetaWindow *
+meta_surface_actor_x11_get_window (MetaSurfaceActor *actor)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (META_SURFACE_ACTOR_X11 (actor));
+
+  return priv->window;
+}
+
+static void
+meta_surface_actor_x11_class_init (MetaSurfaceActorX11Class *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  MetaSurfaceActorClass *surface_actor_class = META_SURFACE_ACTOR_CLASS (klass);
+
+  object_class->dispose = meta_surface_actor_x11_dispose;
+
+  surface_actor_class->process_damage = meta_surface_actor_x11_process_damage;
+  surface_actor_class->pre_paint = meta_surface_actor_x11_pre_paint;
+  surface_actor_class->is_argb32 = meta_surface_actor_x11_is_argb32;
+  surface_actor_class->is_visible = meta_surface_actor_x11_is_visible;
+
+  surface_actor_class->should_unredirect = meta_surface_actor_x11_should_unredirect;
+  surface_actor_class->set_unredirected = meta_surface_actor_x11_set_unredirected;
+  surface_actor_class->is_unredirected = meta_surface_actor_x11_is_unredirected;
+
+  surface_actor_class->get_window = meta_surface_actor_x11_get_window;
+}
+
+static void
+meta_surface_actor_x11_init (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  priv->last_width = -1;
+  priv->last_height = -1;
+}
+
+static void
+create_damage (MetaSurfaceActorX11 *self)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  Display *xdisplay = meta_display_get_xdisplay (priv->display);
+  Window xwindow = meta_window_get_toplevel_xwindow (priv->window);
+
+  priv->damage = XDamageCreate (xdisplay, xwindow, XDamageReportBoundingBox);
+}
+
+static void
+window_decorated_notify (MetaWindow *window,
+                         GParamSpec *pspec,
+                         gpointer    user_data)
+{
+  MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (user_data);
+
+  free_damage (self);
+  create_damage (self);
+}
+
+MetaSurfaceActor *
+meta_surface_actor_x11_new (MetaWindow *window)
+{
+  MetaSurfaceActorX11 *self = g_object_new (META_TYPE_SURFACE_ACTOR_X11, NULL);
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+  MetaDisplay *display = meta_window_get_display (window);
+
+  g_assert (!meta_is_wayland_compositor ());
+
+  priv->window = window;
+  priv->display = display;
+
+  create_damage (self);
+  g_signal_connect_object (priv->window, "notify::decorated",
+                           G_CALLBACK (window_decorated_notify), self, 0);
+
+  update_is_argb32 (self);
+
+  priv->unredirected = FALSE;
+  sync_unredirected (self);
+
+  clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
+  return META_SURFACE_ACTOR (self);
+}
+
+void
+meta_surface_actor_x11_set_size (MetaSurfaceActorX11 *self,
+                                 int width, int height)
+{
+  MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
+
+  if (priv->last_width == width &&
+      priv->last_height == height)
+    return;
+
+  priv->size_changed = TRUE;
+  priv->last_width = width;
+  priv->last_height = height;
+}
--- a/src/compositor/meta-surface-actor-x11.h
+++ b/src/compositor/meta-surface-actor-x11.h
@@ -0,0 +1,69 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2013 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:
+ *     Owen Taylor <otaylor@redhat.com>
+ *     Jasper St. Pierre <jstpierre@mecheye.net>
+ */
+
+#ifndef __META_SURFACE_ACTOR_X11_H__
+#define __META_SURFACE_ACTOR_X11_H__
+
+#include <glib-object.h>
+
+#include "meta-surface-actor.h"
+
+#include <X11/extensions/Xdamage.h>
+
+#include <meta/display.h>
+#include <meta/window.h>
+
+G_BEGIN_DECLS
+
+#define META_TYPE_SURFACE_ACTOR_X11            (meta_surface_actor_x11_get_type ())
+#define META_SURFACE_ACTOR_X11(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_SURFACE_ACTOR_X11, MetaSurfaceActorX11))
+#define META_SURFACE_ACTOR_X11_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  META_TYPE_SURFACE_ACTOR_X11, MetaSurfaceActorX11Class))
+#define META_IS_SURFACE_ACTOR_X11(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_SURFACE_ACTOR_X11))
+#define META_IS_SURFACE_ACTOR_X11_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  META_TYPE_SURFACE_ACTOR_X11))
+#define META_SURFACE_ACTOR_X11_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  META_TYPE_SURFACE_ACTOR_X11, MetaSurfaceActorX11Class))
+
+typedef struct _MetaSurfaceActorX11      MetaSurfaceActorX11;
+typedef struct _MetaSurfaceActorX11Class MetaSurfaceActorX11Class;
+
+struct _MetaSurfaceActorX11
+{
+  MetaSurfaceActor parent;
+};
+
+struct _MetaSurfaceActorX11Class
+{
+  MetaSurfaceActorClass parent_class;
+};
+
+GType meta_surface_actor_x11_get_type (void);
+
+MetaSurfaceActor * meta_surface_actor_x11_new (MetaWindow *window);
+
+void meta_surface_actor_x11_set_size (MetaSurfaceActorX11 *self,
+                                      int width, int height);
+
+G_END_DECLS
+
+#endif /* __META_SURFACE_ACTOR_X11_H__ */
--- a/src/compositor/meta-surface-actor.c
+++ b/src/compositor/meta-surface-actor.c
@@ -10,30 +10,124 @@
 */

 #include <config.h>
-#include <clutter/clutter.h>
-#include <cogl/cogl-wayland-server.h>
-#include <cogl/cogl-texture-pixmap-x11.h>
-#include <meta/meta-shaped-texture.h>
-#include "meta-surface-actor.h"
-#include "meta-wayland-private.h"
-#include "meta-cullable.h"

+#include "meta-surface-actor.h"
+
+#include <clutter/clutter.h>
+#include <meta/meta-shaped-texture.h>
+#include "meta-cullable.h"
 #include "meta-shaped-texture-private.h"

 struct _MetaSurfaceActorPrivate
 {
  MetaShapedTexture *texture;
-  MetaWaylandBuffer *buffer;
+
+  cairo_region_t *input_region;
+
+  /* Freeze/thaw accounting */
+  guint needs_damage_all : 1;
+  guint frozen : 1;
 };

 static void cullable_iface_init (MetaCullableInterface *iface);

-G_DEFINE_TYPE_WITH_CODE (MetaSurfaceActor, meta_surface_actor, CLUTTER_TYPE_ACTOR,
-                         G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE, cullable_iface_init));
+G_DEFINE_ABSTRACT_TYPE_WITH_CODE (MetaSurfaceActor, meta_surface_actor, CLUTTER_TYPE_ACTOR,
+                                  G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE, cullable_iface_init));
+
+enum {
+  REPAINT_SCHEDULED,
+
+  LAST_SIGNAL,
+};
+
+static guint signals[LAST_SIGNAL];
+
+gboolean
+meta_surface_actor_get_unobscured_bounds (MetaSurfaceActor      *self,
+                                          cairo_rectangle_int_t *unobscured_bounds)
+{
+  MetaSurfaceActorPrivate *priv = self->priv;
+  return meta_shaped_texture_get_unobscured_bounds (priv->texture, unobscured_bounds);
+}
+
+static void
+meta_surface_actor_pick (ClutterActor       *actor,
+                         const ClutterColor *color)
+{
+  MetaSurfaceActor *self = META_SURFACE_ACTOR (actor);
+  MetaSurfaceActorPrivate *priv = self->priv;
+
+  if (!clutter_actor_should_pick_paint (actor))
+    return;
+
+  /* If there is no region then use the regular pick */
+  if (priv->input_region == NULL)
+    CLUTTER_ACTOR_CLASS (meta_surface_actor_parent_class)->pick (actor, color);
+  else
+    {
+      int n_rects;
+      float *rectangles;
+      int i;
+      CoglPipeline *pipeline;
+      CoglContext *ctx;
+      CoglFramebuffer *fb;
+      CoglColor cogl_color;
+
+      n_rects = cairo_region_num_rectangles (priv->input_region);
+      rectangles = g_alloca (sizeof (float) * 4 * n_rects);
+
+      for (i = 0; i < n_rects; i++)
+        {
+          cairo_rectangle_int_t rect;
+          int pos = i * 4;
+
+          cairo_region_get_rectangle (priv->input_region, i, &rect);
+
+          rectangles[pos + 0] = rect.x;
+          rectangles[pos + 1] = rect.y;
+          rectangles[pos + 2] = rect.x + rect.width;
+          rectangles[pos + 3] = rect.y + rect.height;
+        }
+
+      ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
+      fb = cogl_get_draw_framebuffer ();
+
+      cogl_color_init_from_4ub (&cogl_color, color->red, color->green, color->blue, color->alpha);
+
+      pipeline = cogl_pipeline_new (ctx);
+      cogl_pipeline_set_color (pipeline, &cogl_color);
+      cogl_framebuffer_draw_rectangles (fb, pipeline, rectangles, n_rects);
+      cogl_object_unref (pipeline);
+    }
+}
+
+static void
+meta_surface_actor_dispose (GObject *object)
+{
+  MetaSurfaceActor *self = META_SURFACE_ACTOR (object);
+  MetaSurfaceActorPrivate *priv = self->priv;
+
+  g_clear_pointer (&priv->input_region, cairo_region_destroy);
+
+  G_OBJECT_CLASS (meta_surface_actor_parent_class)->dispose (object);
+}

 static void
 meta_surface_actor_class_init (MetaSurfaceActorClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
+
+  object_class->dispose = meta_surface_actor_dispose;
+  actor_class->pick = meta_surface_actor_pick;
+
+  signals[REPAINT_SCHEDULED] = g_signal_new ("repaint-scheduled",
+                                             G_TYPE_FROM_CLASS (object_class),
+                                             G_SIGNAL_RUN_LAST,
+                                             0,
+                                             NULL, NULL, NULL,
+                                             G_TYPE_NONE, 0);
+
  g_type_class_add_private (klass, sizeof (MetaSurfaceActorPrivate));
 }

@@ -84,80 +178,21 @@ meta_surface_actor_get_texture (MetaSurfaceActor *self)
  return self->priv->texture;
 }

-static void
-update_area (MetaSurfaceActor *self,
-             int x, int y, int width, int height)
+void
+meta_surface_actor_update_area (MetaSurfaceActor *self,
+                                int x, int y, int width, int height)
 {
  MetaSurfaceActorPrivate *priv = self->priv;

-  if (meta_is_wayland_compositor ())
-    {
-      struct wl_resource *resource = priv->buffer->resource;
-      struct wl_shm_buffer *shm_buffer = wl_shm_buffer_get (resource);
-
-      if (shm_buffer)
-        {
-          CoglTexture2D *texture = COGL_TEXTURE_2D (priv->buffer->texture);
-          cogl_wayland_texture_set_region_from_shm_buffer (texture, x, y, width, height, shm_buffer, x, y, 0, NULL);
-        }
-    }
-  else
-    {
-      CoglTexturePixmapX11 *texture = COGL_TEXTURE_PIXMAP_X11 (meta_shaped_texture_get_texture (priv->texture));
-      cogl_texture_pixmap_x11_update_area (texture, x, y, width, height);
-    }
+  if (meta_shaped_texture_update_area (priv->texture, x, y, width, height))
+    g_signal_emit (self, signals[REPAINT_SCHEDULED], 0);
 }

 gboolean
-meta_surface_actor_damage_all (MetaSurfaceActor *self,
-                               cairo_region_t   *unobscured_region)
+meta_surface_actor_is_obscured (MetaSurfaceActor *self)
 {
  MetaSurfaceActorPrivate *priv = self->priv;
-  CoglTexture *texture = meta_shaped_texture_get_texture (priv->texture);
-
-  update_area (self, 0, 0, cogl_texture_get_width (texture), cogl_texture_get_height (texture));
-  return meta_shaped_texture_update_area (priv->texture,
-                                          0, 0,
-                                          cogl_texture_get_width (texture),
-                                          cogl_texture_get_height (texture),
-                                          unobscured_region);
-}
-
-gboolean
-meta_surface_actor_damage_area (MetaSurfaceActor *self,
-                                int               x,
-                                int               y,
-                                int               width,
-                                int               height,
-                                cairo_region_t   *unobscured_region)
-{
-  MetaSurfaceActorPrivate *priv = self->priv;
-
-  update_area (self, x, y, width, height);
-  return meta_shaped_texture_update_area (priv->texture,
-                                          x, y, width, height,
-                                          unobscured_region);
-}
-
-void
-meta_surface_actor_attach_wayland_buffer (MetaSurfaceActor *self,
-                                          MetaWaylandBuffer *buffer)
-{
-  MetaSurfaceActorPrivate *priv = self->priv;
-  priv->buffer = buffer;
-
-  if (buffer)
-    meta_shaped_texture_set_texture (priv->texture, buffer->texture);
-  else
-    meta_shaped_texture_set_texture (priv->texture, NULL);
-}
-
-void
-meta_surface_actor_set_texture (MetaSurfaceActor *self,
-                                CoglTexture      *texture)
-{
-  MetaSurfaceActorPrivate *priv = self->priv;
-  meta_shaped_texture_set_texture (priv->texture, texture);
+  return meta_shaped_texture_is_obscured (priv->texture);
 }

 void
@@ -165,7 +200,14 @@ meta_surface_actor_set_input_region (MetaSurfaceActor *self,
                                     cairo_region_t   *region)
 {
  MetaSurfaceActorPrivate *priv = self->priv;
-  meta_shaped_texture_set_input_shape_region (priv->texture, region);
+
+  if (priv->input_region)
+    cairo_region_destroy (priv->input_region);
+
+  if (region)
+    priv->input_region = cairo_region_reference (region);
+  else
+    priv->input_region = NULL;
 }

 void
@@ -176,8 +218,102 @@ meta_surface_actor_set_opaque_region (MetaSurfaceActor *self,
  meta_shaped_texture_set_opaque_region (priv->texture, region);
 }

-MetaSurfaceActor *
-meta_surface_actor_new (void)
+static gboolean
+is_frozen (MetaSurfaceActor *self)
 {
-  return g_object_new (META_TYPE_SURFACE_ACTOR, NULL);
+  MetaSurfaceActorPrivate *priv = self->priv;
+  return priv->frozen;
+}
+
+void
+meta_surface_actor_process_damage (MetaSurfaceActor *self,
+                                   int x, int y, int width, int height)
+{
+  MetaSurfaceActorPrivate *priv = self->priv;
+
+  if (is_frozen (self))
+    {
+      /* The window is frozen due to an effect in progress: we ignore damage
+       * here on the off chance that this will stop the corresponding
+       * texture_from_pixmap from being update.
+       *
+       * needs_damage_all tracks that some unknown damage happened while the
+       * window was frozen so that when the window becomes unfrozen we can
+       * issue a full window update to cover any lost damage.
+       *
+       * It should be noted that this is an unreliable mechanism since it's
+       * quite likely that drivers will aim to provide a zero-copy
+       * implementation of the texture_from_pixmap extension and in those cases
+       * any drawing done to the window is always immediately reflected in the
+       * texture regardless of damage event handling.
+       */
+      priv->needs_damage_all = TRUE;
+      return;
+    }
+
+  META_SURFACE_ACTOR_GET_CLASS (self)->process_damage (self, x, y, width, height);
+}
+
+void
+meta_surface_actor_pre_paint (MetaSurfaceActor *self)
+{
+  META_SURFACE_ACTOR_GET_CLASS (self)->pre_paint (self);
+}
+
+gboolean
+meta_surface_actor_is_argb32 (MetaSurfaceActor *self)
+{
+  return META_SURFACE_ACTOR_GET_CLASS (self)->is_argb32 (self);
+}
+
+gboolean
+meta_surface_actor_is_visible (MetaSurfaceActor *self)
+{
+  return META_SURFACE_ACTOR_GET_CLASS (self)->is_visible (self);
+}
+
+void
+meta_surface_actor_set_frozen (MetaSurfaceActor *self,
+                               gboolean          frozen)
+{
+  MetaSurfaceActorPrivate *priv = self->priv;
+
+  priv->frozen = frozen;
+
+  if (!frozen && priv->needs_damage_all)
+    {
+      /* Since we ignore damage events while a window is frozen for certain effects
+       * we may need to issue an update_area() covering the whole pixmap if we
+       * don't know what real damage has happened. */
+
+      meta_surface_actor_process_damage (self, 0, 0,
+                                         clutter_actor_get_width (CLUTTER_ACTOR (priv->texture)),
+                                         clutter_actor_get_height (CLUTTER_ACTOR (priv->texture)));
+      priv->needs_damage_all = FALSE;
+    }
+}
+
+gboolean
+meta_surface_actor_should_unredirect (MetaSurfaceActor *self)
+{
+  return META_SURFACE_ACTOR_GET_CLASS (self)->should_unredirect (self);
+}
+
+void
+meta_surface_actor_set_unredirected (MetaSurfaceActor *self,
+                                     gboolean          unredirected)
+{
+  META_SURFACE_ACTOR_GET_CLASS (self)->set_unredirected (self, unredirected);
+}
+
+gboolean
+meta_surface_actor_is_unredirected (MetaSurfaceActor *self)
+{
+  return META_SURFACE_ACTOR_GET_CLASS (self)->is_unredirected (self);
+}
+
+MetaWindow *
+meta_surface_actor_get_window (MetaSurfaceActor *self)
+{
+  return META_SURFACE_ACTOR_GET_CLASS (self)->get_window (self);
 }
--- a/src/compositor/meta-surface-actor.h
+++ b/src/compositor/meta-surface-actor.h
@@ -6,7 +6,7 @@
 #include <config.h>

 #include <meta/meta-shaped-texture.h>
-#include "meta-wayland-types.h"
+#include <meta/window.h>

 G_BEGIN_DECLS

@@ -25,6 +25,19 @@ struct _MetaSurfaceActorClass
 {
  /*< private >*/
  ClutterActorClass parent_class;
+
+  void     (* process_damage)    (MetaSurfaceActor *actor,
+                                  int x, int y, int width, int height);
+  void     (* pre_paint)         (MetaSurfaceActor *actor);
+  gboolean (* is_argb32)         (MetaSurfaceActor *actor);
+  gboolean (* is_visible)        (MetaSurfaceActor *actor);
+
+  gboolean (* should_unredirect) (MetaSurfaceActor *actor);
+  void     (* set_unredirected)  (MetaSurfaceActor *actor,
+                                  gboolean          unredirected);
+  gboolean (* is_unredirected)   (MetaSurfaceActor *actor);
+
+  MetaWindow *(* get_window)      (MetaSurfaceActor *actor);
 };

 struct _MetaSurfaceActor
@@ -36,32 +49,38 @@ struct _MetaSurfaceActor

 GType meta_surface_actor_get_type (void);

-MetaSurfaceActor *meta_surface_actor_new (void);
-
 cairo_surface_t *meta_surface_actor_get_image (MetaSurfaceActor      *self,
                                               cairo_rectangle_int_t *clip);

 MetaShapedTexture *meta_surface_actor_get_texture (MetaSurfaceActor *self);
+MetaWindow        *meta_surface_actor_get_window  (MetaSurfaceActor *self);

-gboolean meta_surface_actor_damage_all (MetaSurfaceActor *self,
-                                        cairo_region_t   *unobscured_region);
+gboolean meta_surface_actor_is_obscured (MetaSurfaceActor *self);
+gboolean meta_surface_actor_get_unobscured_bounds (MetaSurfaceActor      *self,
+                                                   cairo_rectangle_int_t *unobscured_bounds);

-gboolean meta_surface_actor_damage_area (MetaSurfaceActor *self,
-                                         int               x,
-                                         int               y,
-                                         int               width,
-                                         int               height,
-                                         cairo_region_t   *unobscured_region);
-
-void meta_surface_actor_set_texture (MetaSurfaceActor *self,
-                                     CoglTexture      *texture);
-void meta_surface_actor_attach_wayland_buffer (MetaSurfaceActor  *self,
-                                               MetaWaylandBuffer *buffer);
 void meta_surface_actor_set_input_region (MetaSurfaceActor *self,
                                          cairo_region_t   *region);
 void meta_surface_actor_set_opaque_region (MetaSurfaceActor *self,
                                           cairo_region_t   *region);

+void meta_surface_actor_update_area (MetaSurfaceActor *actor,
+                                     int x, int y, int width, int height);
+
+void meta_surface_actor_process_damage (MetaSurfaceActor *actor,
+                                        int x, int y, int width, int height);
+void meta_surface_actor_pre_paint (MetaSurfaceActor *actor);
+gboolean meta_surface_actor_is_argb32 (MetaSurfaceActor *actor);
+gboolean meta_surface_actor_is_visible (MetaSurfaceActor *actor);
+
+void meta_surface_actor_set_frozen (MetaSurfaceActor *actor,
+                                    gboolean          frozen);
+
+gboolean meta_surface_actor_should_unredirect (MetaSurfaceActor *actor);
+void meta_surface_actor_set_unredirected (MetaSurfaceActor *actor,
+                                          gboolean          unredirected);
+gboolean meta_surface_actor_is_unredirected (MetaSurfaceActor *actor);
+
 G_END_DECLS

 #endif /* META_SURFACE_ACTOR_PRIVATE_H */
--- a/src/compositor/meta-texture-rectangle.c
+++ b/src/compositor/meta-texture-rectangle.c
@@ -18,9 +18,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
@@ -28,41 +26,6 @@
 #include <clutter/clutter.h>
 #include "meta-texture-rectangle.h"

-CoglTexture *
-meta_texture_rectangle_new (unsigned int width,
-                            unsigned int height,
-                            CoglPixelFormat format,
-                            CoglPixelFormat internal_format,
-                            unsigned int rowstride,
-                            const guint8 *data,
-                            GError **error)
-{
-  ClutterBackend *backend =
-    clutter_get_default_backend ();
-  CoglContext *context =
-    clutter_backend_get_cogl_context (backend);
-  CoglTextureRectangle *tex_rect;
-
-  tex_rect = cogl_texture_rectangle_new_with_size (context,
-                                                   width, height,
-                                                   internal_format,
-                                                   error);
-  if (tex_rect == NULL)
-    return NULL;
-
-  if (data)
-    cogl_texture_set_region (COGL_TEXTURE (tex_rect),
-                             0, 0, /* src_x/y */
-                             0, 0, /* dst_x/y */
-                             width, height, /* dst_width/height */
-                             width, height, /* width/height */
-                             format,
-                             rowstride,
-                             data);
-
-  return COGL_TEXTURE (tex_rect);
-}
-
 static void
 texture_rectangle_check_cb (CoglTexture *sub_texture,
                            const float *sub_texture_coords,
--- a/src/compositor/meta-texture-rectangle.h
+++ b/src/compositor/meta-texture-rectangle.h
@@ -18,9 +18,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_TEXTURE_RECTANGLE_H__
@@ -30,15 +28,6 @@

 G_BEGIN_DECLS

-CoglTexture *
-meta_texture_rectangle_new (unsigned int width,
-                            unsigned int height,
-                            CoglPixelFormat format,
-                            CoglPixelFormat internal_format,
-                            unsigned int rowstride,
-                            const guint8 *data,
-                            GError **error);
-
 gboolean
 meta_texture_rectangle_check (CoglTexture *texture);

--- a/src/compositor/meta-texture-tower.c
+++ b/src/compositor/meta-texture-tower.c
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <math.h>
@@ -357,18 +355,10 @@ texture_tower_create_texture (MetaTextureTower *tower,
  if ((!is_power_of_two (width) || !is_power_of_two (height)) &&
      meta_texture_rectangle_check (tower->textures[level - 1]))
    {
-      tower->textures[level] =
-        meta_texture_rectangle_new (width, height,
-                                    /* data format */
-                                    TEXTURE_FORMAT,
-                                    /* internal cogl format */
-                                    TEXTURE_FORMAT,
-                                    /* rowstride */
-                                    width * 4,
-                                    /* data */
-                                    NULL,
-                                    /* error */
-                                    NULL);
+      ClutterBackend *backend = clutter_get_default_backend ();
+      CoglContext *context = clutter_backend_get_cogl_context (backend);
+
+      tower->textures[level] = cogl_texture_rectangle_new_with_size (context, width, height);
    }
  else
    {
--- a/src/compositor/meta-texture-tower.h
+++ b/src/compositor/meta-texture-tower.h
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_TEXTURE_TOWER_H__
--- a/src/compositor/meta-window-actor-private.h
+++ b/src/compositor/meta-window-actor-private.h
@@ -5,9 +5,6 @@

 #include <config.h>

-#include <wayland-server.h>
-#include <meta-wayland-private.h>
-
 #include <X11/extensions/Xdamage.h>
 #include <meta/compositor-mutter.h>
 #include "meta-surface-actor.h"
@@ -39,13 +36,13 @@ void meta_window_actor_frame_complete (MetaWindowActor    *self,

 void meta_window_actor_invalidate_shadow (MetaWindowActor *self);

-void meta_window_actor_set_redirected (MetaWindowActor *self, gboolean state);
-
-gboolean meta_window_actor_should_unredirect (MetaWindowActor *self);
-
 void meta_window_actor_get_shape_bounds (MetaWindowActor       *self,
                                          cairo_rectangle_int_t *bounds);

+gboolean meta_window_actor_should_unredirect   (MetaWindowActor *self);
+void     meta_window_actor_set_unredirected    (MetaWindowActor *self,
+                                                gboolean         unredirected);
+
 gboolean meta_window_actor_effect_in_progress  (MetaWindowActor *self);
 void     meta_window_actor_sync_actor_geometry (MetaWindowActor *self,
                                                gboolean         did_placement);
@@ -59,12 +56,10 @@ void     meta_window_actor_set_updates_frozen  (MetaWindowActor *self,
 void     meta_window_actor_queue_frame_drawn   (MetaWindowActor *self,
                                                gboolean         no_delay_frame);

-void meta_window_actor_set_unobscured_region      (MetaWindowActor *self,
-                                                   cairo_region_t  *unobscured_region);
-
 void meta_window_actor_effect_completed (MetaWindowActor *actor,
                                         gulong           event);

 MetaSurfaceActor *meta_window_actor_get_surface (MetaWindowActor *self);
+void meta_window_actor_update_surface (MetaWindowActor *self);

 #endif /* META_WINDOW_ACTOR_PRIVATE_H */
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
--- a/src/compositor/meta-window-group.c
+++ b/src/compositor/meta-window-group.c
@@ -115,8 +115,6 @@ meta_window_group_paint (ClutterActor *actor)
 {
  cairo_region_t *clip_region;
  cairo_region_t *unobscured_region;
-  ClutterActorIter iter;
-  ClutterActor *child;
  cairo_rectangle_int_t visible_rect, clip_rect;
  int paint_x_offset, paint_y_offset;
  int paint_x_origin, paint_y_origin;
@@ -125,18 +123,6 @@ meta_window_group_paint (ClutterActor *actor)
  MetaWindowGroup *window_group = META_WINDOW_GROUP (actor);
  ClutterActor *stage = clutter_actor_get_stage (actor);

-  /* Start off by treating all windows as completely unobscured, so damage anywhere
-   * in a window queues redraws, but confine it more below. */
-  clutter_actor_iter_init (&iter, actor);
-  while (clutter_actor_iter_next (&iter, &child))
-    {
-      if (META_IS_WINDOW_ACTOR (child))
-        {
-          MetaWindowActor *window_actor = META_WINDOW_ACTOR (child);
-          meta_window_actor_set_unobscured_region (window_actor, NULL);
-        }
-    }
-
  /* Normally we expect an actor to be drawn at it's position on the screen.
   * However, if we're inside the paint of a ClutterClone, that won't be the
   * case and we need to compensate. We look at the position of the window
@@ -178,20 +164,6 @@ meta_window_group_paint (ClutterActor *actor)
  paint_y_offset = paint_y_origin - actor_y_origin;
  cairo_region_translate (clip_region, -paint_x_offset, -paint_y_offset);

-  if (!meta_is_wayland_compositor ())
-    {
-      MetaCompScreen *info = meta_screen_get_compositor_data (window_group->screen);
-      if (info->unredirected_window != NULL)
-        {
-          cairo_rectangle_int_t unredirected_rect;
-          MetaWindow *window = meta_window_actor_get_meta_window (info->unredirected_window);
-
-          meta_window_get_frame_rect (window, (MetaRectangle *)&unredirected_rect);
-          cairo_region_subtract_rectangle (unobscured_region, &unredirected_rect);
-          cairo_region_subtract_rectangle (clip_region, &unredirected_rect);
-        }
-    }
-
  meta_cullable_cull_out (META_CULLABLE (window_group), unobscured_region, clip_region);

  cairo_region_destroy (unobscured_region);
--- a/src/compositor/meta-window-shape.c
+++ b/src/compositor/meta-window-shape.c
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 #include <string.h>

--- a/src/compositor/meta-window-shape.h
+++ b/src/compositor/meta-window-shape.h
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_WINDOW_SHAPE_H__
--- a/src/compositor/plugins/default.c
+++ b/src/compositor/plugins/default.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
@@ -34,13 +32,14 @@
 #include <gmodule.h>
 #include <string.h>

-#define DESTROY_TIMEOUT   250
+#define DESTROY_TIMEOUT   100
 #define MINIMIZE_TIMEOUT  250
 #define MAXIMIZE_TIMEOUT  250
 #define MAP_TIMEOUT       250
 #define SWITCH_TIMEOUT    500

 #define ACTOR_DATA_KEY "MCCP-Default-actor-data"
+#define SCREEN_TILE_PREVIEW_DATA_KEY "MCCP-Default-screen-tile-preview-data"

 #define META_TYPE_DEFAULT_PLUGIN            (meta_default_plugin_get_type ())
 #define META_DEFAULT_PLUGIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_DEFAULT_PLUGIN, MetaDefaultPlugin))
@@ -69,6 +68,7 @@ struct _MetaDefaultPluginClass
 };

 static GQuark actor_data_quark = 0;
+static GQuark screen_tile_preview_data_quark = 0;

 static void start      (MetaPlugin      *plugin);
 static void minimize   (MetaPlugin      *plugin,
@@ -99,6 +99,12 @@ static void kill_window_effects   (MetaPlugin      *plugin,
                                   MetaWindowActor *actor);
 static void kill_switch_workspace (MetaPlugin      *plugin);

+static void show_tile_preview (MetaPlugin      *plugin,
+                               MetaWindow      *window,
+                               MetaRectangle   *tile_rect,
+                               int              tile_monitor_number);
+static void hide_tile_preview (MetaPlugin      *plugin);
+
 static void confirm_display_change (MetaPlugin *plugin);

 static const MetaPluginInfo * plugin_info (MetaPlugin *plugin);
@@ -145,6 +151,15 @@ typedef struct
 } EffectCompleteData;


+typedef struct _ScreenTilePreview
+{
+  ClutterActor   *actor;
+
+  GdkRGBA        *preview_color;
+
+  MetaRectangle   tile_rect;
+} ScreenTilePreview;
+
 static void
 meta_default_plugin_dispose (GObject *object)
 {
@@ -205,6 +220,8 @@ meta_default_plugin_class_init (MetaDefaultPluginClass *klass)
  plugin_class->unmaximize       = unmaximize;
  plugin_class->destroy          = destroy;
  plugin_class->switch_workspace = switch_workspace;
+  plugin_class->show_tile_preview = show_tile_preview;
+  plugin_class->hide_tile_preview = hide_tile_preview;
  plugin_class->plugin_info      = plugin_info;
  plugin_class->kill_window_effects   = kill_window_effects;
  plugin_class->kill_switch_workspace = kill_switch_workspace;
@@ -291,26 +308,13 @@ on_switch_workspace_effect_complete (ClutterTimeline *timeline, gpointer data)
  meta_plugin_switch_workspace_completed (plugin);
 }

-static gboolean
-show_stage (MetaPlugin *plugin)
-{
-  MetaScreen *screen;
-  ClutterActor *stage;
-
-  screen = meta_plugin_get_screen (plugin);
-  stage = meta_get_stage_for_screen (screen);
-
-  clutter_actor_show (stage);
-
-  return FALSE;
-}
-
 static void
 on_monitors_changed (MetaScreen *screen,
                     MetaPlugin *plugin)
 {
  MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin);
  int i, n;
+  GRand *rand = g_rand_new_with_seed (12345);

  clutter_actor_destroy_all_children (self->priv->background_group);

@@ -333,14 +337,16 @@ on_monitors_changed (MetaScreen *screen,
         reproducible.
      */
      clutter_color_init (&color,
-                          g_random_int () % 255,
-                          g_random_int () % 255,
-                          g_random_int () % 255,
+                          g_rand_int_range (rand, 0, 255),
+                          g_rand_int_range (rand, 0, 255),
+                          g_rand_int_range (rand, 0, 255),
                          255);
      clutter_actor_set_background_color (background, &color);

      clutter_actor_add_child (self->priv->background_group, background);
    }
+
+  g_rand_free (rand);
 }

 static void
@@ -357,10 +363,7 @@ start (MetaPlugin *plugin)
                    G_CALLBACK (on_monitors_changed), plugin);
  on_monitors_changed (screen, plugin);

-  meta_later_add (META_LATER_BEFORE_REDRAW,
-                  (GSourceFunc) show_stage,
-                  plugin,
-                  NULL);
+  clutter_actor_show (meta_get_stage_for_screen (screen));
 }

 static void
@@ -409,9 +412,11 @@ switch_workspace (MetaPlugin *plugin,
      MetaWindowActor *window_actor = l->data;
      ActorPrivate    *apriv	    = get_actor_private (window_actor);
      ClutterActor    *actor	    = CLUTTER_ACTOR (window_actor);
+      MetaWorkspace   *workspace;
      gint             win_workspace;

-      win_workspace = meta_window_actor_get_workspace (window_actor);
+      workspace = meta_window_get_workspace (meta_window_actor_get_meta_window (window_actor));
+      win_workspace = meta_workspace_index (workspace);

      if (win_workspace == to || win_workspace == from)
        {
@@ -483,8 +488,6 @@ on_minimize_effect_complete (ClutterTimeline *timeline, EffectCompleteData *data
  /* FIXME - we shouldn't assume the original scale, it should be saved
   * at the start of the effect */
  clutter_actor_set_scale (data->actor, 1.0, 1.0);
-  clutter_actor_move_anchor_point_from_gravity (data->actor,
-                                                CLUTTER_GRAVITY_NORTH_WEST);

  /* Now notify the manager that we are done with this effect */
  meta_plugin_minimize_completed (plugin, window_actor);
@@ -521,9 +524,6 @@ minimize (MetaPlugin *plugin, MetaWindowActor *window_actor)

      apriv->is_minimized = TRUE;

-      clutter_actor_move_anchor_point_from_gravity (actor,
-                                                    CLUTTER_GRAVITY_CENTER);
-
      animation = clutter_actor_animate (actor,
                                         CLUTTER_EASE_IN_SINE,
                                         MINIMIZE_TIMEOUT,
@@ -562,8 +562,6 @@ on_maximize_effect_complete (ClutterTimeline *timeline, EffectCompleteData *data

  /* FIXME - don't assume the original scale was 1.0 */
  clutter_actor_set_scale (data->actor, 1.0, 1.0);
-  clutter_actor_move_anchor_point_from_gravity (data->actor,
-                                                CLUTTER_GRAVITY_NORTH_WEST);

  /* Now notify the manager that we are done with this effect */
  meta_plugin_maximize_completed (plugin, window_actor);
@@ -588,10 +586,8 @@ maximize (MetaPlugin *plugin,
  ClutterActor *actor = CLUTTER_ACTOR (window_actor);
  MetaWindow *meta_window = meta_window_actor_get_meta_window (window_actor);

-  gdouble  scale_x    = 1.0;
-  gdouble  scale_y    = 1.0;
-  gfloat   anchor_x   = 0;
-  gfloat   anchor_y   = 0;
+  gdouble  scale_x = 1.0;
+  gdouble  scale_y = 1.0;

  type = meta_window_get_window_type (meta_window);

@@ -615,13 +611,6 @@ maximize (MetaPlugin *plugin,
      scale_x = (gdouble)end_width / (gdouble) width;
      scale_y = (gdouble)end_height / (gdouble) height;

-      anchor_x = (gdouble)(x - end_x)*(gdouble)width /
-        ((gdouble)(end_width - width));
-      anchor_y = (gdouble)(y - end_y)*(gdouble)height /
-        ((gdouble)(end_height - height));
-
-      clutter_actor_move_anchor_point (actor, anchor_x, anchor_y);
-
      animation = clutter_actor_animate (actor,
                                         CLUTTER_EASE_IN_SINE,
                                         MAXIMIZE_TIMEOUT,
@@ -676,9 +665,6 @@ on_map_effect_complete (ClutterTimeline *timeline, EffectCompleteData *data)

  apriv->tml_map = NULL;

-  clutter_actor_move_anchor_point_from_gravity (data->actor,
-                                                CLUTTER_GRAVITY_NORTH_WEST);
-
  /* Now notify the manager that we are done with this effect */
  meta_plugin_map_completed (plugin, window_actor);

@@ -704,15 +690,15 @@ map (MetaPlugin *plugin, MetaWindowActor *window_actor)
      EffectCompleteData *data = g_new0 (EffectCompleteData, 1);
      ActorPrivate *apriv = get_actor_private (window_actor);

-      clutter_actor_move_anchor_point_from_gravity (actor,
-                                                    CLUTTER_GRAVITY_CENTER);
-
-      clutter_actor_set_scale (actor, 0.0, 0.0);
+      clutter_actor_set_pivot_point (actor, 0.5, 0.5);
+      clutter_actor_set_opacity (actor, 0);
+      clutter_actor_set_scale (actor, 0.5, 0.5);
      clutter_actor_show (actor);

      animation = clutter_actor_animate (actor,
-                                         CLUTTER_EASE_IN_SINE,
+                                         CLUTTER_EASE_OUT_QUAD,
                                         MAP_TIMEOUT,
+                                         "opacity", 255,
                                         "scale-x", 1.0,
                                         "scale-y", 1.0,
                                         NULL);
@@ -764,14 +750,12 @@ destroy (MetaPlugin *plugin, MetaWindowActor *window_actor)
      EffectCompleteData *data = g_new0 (EffectCompleteData, 1);
      ActorPrivate *apriv = get_actor_private (window_actor);

-      clutter_actor_move_anchor_point_from_gravity (actor,
-                                                    CLUTTER_GRAVITY_CENTER);
-
      animation = clutter_actor_animate (actor,
-                                         CLUTTER_EASE_IN_SINE,
+                                         CLUTTER_EASE_OUT_QUAD,
                                         DESTROY_TIMEOUT,
-                                         "scale-x", 0.0,
-                                         "scale-y", 1.0,
+                                         "opacity", 0,
+                                         "scale-x", 0.8,
+                                         "scale-y", 0.8,
                                         NULL);
      apriv->tml_destroy = clutter_animation_get_timeline (animation);
      data->plugin = plugin;
@@ -784,6 +768,82 @@ destroy (MetaPlugin *plugin, MetaWindowActor *window_actor)
    meta_plugin_destroy_completed (plugin, window_actor);
 }

+/*
+ * Tile preview private data accessor
+ */
+static void
+free_screen_tile_preview (gpointer data)
+{
+  ScreenTilePreview *preview = data;
+
+  if (G_LIKELY (preview != NULL)) {
+    clutter_actor_destroy (preview->actor);
+    g_slice_free (ScreenTilePreview, preview);
+  }
+}
+
+static ScreenTilePreview *
+get_screen_tile_preview (MetaScreen *screen)
+{
+  ScreenTilePreview *preview = g_object_get_qdata (G_OBJECT (screen), screen_tile_preview_data_quark);
+
+  if (G_UNLIKELY (screen_tile_preview_data_quark == 0))
+    screen_tile_preview_data_quark = g_quark_from_static_string (SCREEN_TILE_PREVIEW_DATA_KEY);
+
+  if (G_UNLIKELY (!preview))
+    {
+      preview = g_slice_new0 (ScreenTilePreview);
+
+      preview->actor = clutter_actor_new ();
+      clutter_actor_set_background_color (preview->actor, CLUTTER_COLOR_Blue);
+      clutter_actor_set_opacity (preview->actor, 100);
+
+      clutter_actor_add_child (meta_get_window_group_for_screen (screen), preview->actor);
+      g_object_set_qdata_full (G_OBJECT (screen),
+                               screen_tile_preview_data_quark, preview,
+                               free_screen_tile_preview);
+    }
+
+  return preview;
+}
+
+static void
+show_tile_preview (MetaPlugin    *plugin,
+                   MetaWindow    *window,
+                   MetaRectangle *tile_rect,
+                   int            tile_monitor_number)
+{
+  MetaScreen *screen = meta_plugin_get_screen (plugin);
+  ScreenTilePreview *preview = get_screen_tile_preview (screen);
+  ClutterActor *window_actor;
+
+  if (CLUTTER_ACTOR_IS_VISIBLE (preview->actor)
+      && preview->tile_rect.x == tile_rect->x
+      && preview->tile_rect.y == tile_rect->y
+      && preview->tile_rect.width == tile_rect->width
+      && preview->tile_rect.height == tile_rect->height)
+    return; /* nothing to do */
+
+  clutter_actor_set_position (preview->actor, tile_rect->x, tile_rect->y);
+  clutter_actor_set_size (preview->actor, tile_rect->width, tile_rect->height);
+
+  clutter_actor_show (preview->actor);
+
+  window_actor = CLUTTER_ACTOR (meta_window_get_compositor_private (window));
+  clutter_actor_lower (preview->actor, window_actor);
+
+  preview->tile_rect = *tile_rect;
+}
+
+static void
+hide_tile_preview (MetaPlugin *plugin)
+{
+  MetaScreen *screen = meta_plugin_get_screen (plugin);
+  ScreenTilePreview *preview = get_screen_tile_preview (screen);
+
+  clutter_actor_hide (preview->actor);
+}
+
 static void
 kill_switch_workspace (MetaPlugin     *plugin)
 {
--- a/src/compositor/region-utils.c
+++ b/src/compositor/region-utils.c
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "region-utils.h"
--- a/src/compositor/region-utils.h
+++ b/src/compositor/region-utils.h
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef __META_REGION_UTILS_H__
--- a/src/core/above-tab-keycode.c
+++ b/src/core/above-tab-keycode.c
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /* The standard cycle-windows keybinding should be the key above the
--- a/src/core/bell.c
+++ b/src/core/bell.c
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /*
--- a/src/core/bell.h
+++ b/src/core/bell.h
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <X11/Xlib.h>
--- a/src/core/boxes-private.h
+++ b/src/core/boxes-private.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_BOXES_PRIVATE_H
--- a/src/core/boxes.c
+++ b/src/core/boxes.c
@@ -25,9 +25,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "boxes-private.h"
--- a/src/core/constraints.c
+++ b/src/core/constraints.c
@@ -18,9 +18,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
@@ -1355,7 +1353,6 @@ constrain_titlebar_visible (MetaWindow         *window,
      window->type == META_WINDOW_DOCK    ||
      window->fullscreen                  ||
      !window->require_titlebar_visible   ||
-      !window->decorated                  ||
      unconstrained_user_action)
    return TRUE;

--- a/src/core/constraints.h
+++ b/src/core/constraints.h
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_CONSTRAINTS_H
--- a/src/core/core.c
+++ b/src/core/core.c
@@ -18,9 +18,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_CORE_H
--- a/src/core/delete.c
+++ b/src/core/delete.c
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #define _XOPEN_SOURCE /* for kill() */
@@ -39,6 +37,8 @@
 #include <stdlib.h>
 #include <stdio.h>

+#include "meta-wayland-surface.h"
+
 static void meta_window_present_delete_dialog (MetaWindow *window,
                                               guint32     timestamp);

@@ -132,35 +132,42 @@ void
 meta_window_check_alive (MetaWindow *window,
                         guint32     timestamp)
 {
-  meta_window_ping (window,
-                    timestamp,
-                    delete_ping_reply_func,
-                    delete_ping_timeout_func,
-                    NULL);
+  meta_display_ping_window (window,
+                            timestamp,
+                            delete_ping_reply_func,
+                            delete_ping_timeout_func,
+                            NULL);
 }

 void
 meta_window_delete (MetaWindow  *window,
                    guint32      timestamp)
 {
-  meta_error_trap_push (window->display);
-  if (window->delete_window)
+  if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
    {
-      meta_topic (META_DEBUG_WINDOW_OPS,
-                  "Deleting %s with delete_window request\n",
-                  window->desc);
-      meta_window_send_icccm_message (window,
-                                      window->display->atom_WM_DELETE_WINDOW,
-                                      timestamp);
+      meta_error_trap_push (window->display);
+      if (window->delete_window)
+        {
+          meta_topic (META_DEBUG_WINDOW_OPS,
+                      "Deleting %s with delete_window request\n",
+                      window->desc);
+          meta_window_send_icccm_message (window,
+                                          window->display->atom_WM_DELETE_WINDOW,
+                                          timestamp);
+        }
+      else
+        {
+          meta_topic (META_DEBUG_WINDOW_OPS,
+                      "Deleting %s with explicit kill\n",
+                      window->desc);
+          XKillClient (window->display->xdisplay, window->xwindow);
+        }
+      meta_error_trap_pop (window->display);
    }
  else
    {
-      meta_topic (META_DEBUG_WINDOW_OPS,
-                  "Deleting %s with explicit kill\n",
-                  window->desc);
-      XKillClient (window->display->xdisplay, window->xwindow);
+      meta_wayland_surface_delete (window->surface);
    }
-  meta_error_trap_pop (window->display);

  meta_window_check_alive (window, timestamp);

--- a/src/core/display-private.h
+++ b/src/core/display-private.h
@@ -19,9 +19,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_DISPLAY_PRIVATE_H
@@ -57,6 +55,10 @@ typedef struct _MetaWindowPropHooks MetaWindowPropHooks;

 typedef struct MetaEdgeResistanceData MetaEdgeResistanceData;

+typedef void (* MetaWindowPingFunc) (MetaWindow  *window,
+                                     guint32      timestamp,
+                                     gpointer     user_data);
+
 typedef enum {
  META_LIST_DEFAULT                   = 0,      /* normal windows */
  META_LIST_INCLUDE_OVERRIDE_REDIRECT = 1 << 0, /* normal and O-R */
@@ -82,14 +84,6 @@ typedef enum {
  META_TILE_MAXIMIZED
 } MetaTileMode;

-typedef enum {
-  META_FOCUS_NONE = 0,
-  META_FOCUS_X_CLIENT = 1,
-  META_FOCUS_WAYLAND_CLIENT = 2,
-  META_FOCUS_NO_FOCUS_WINDOW = 3,
-  META_FOCUS_STAGE = 4
-} MetaFocusType;
-
 struct _MetaDisplay
 {
  GObject parent_instance;
@@ -123,7 +117,6 @@ struct _MetaDisplay
   * like the no_focus_window or the stage X window. */
  Window focus_xwindow;
  gulong focus_serial;
-  MetaFocusType focus_type;

  /* last timestamp passed to XSetInputFocus */
  guint32 last_focus_time;
@@ -185,7 +178,7 @@ struct _MetaDisplay
  guint32 window_sequence_counter;

  /* Pings which we're waiting for a reply from */
-  GHashTable *pending_pings;
+  GSList     *pending_pings;

  /* Pending focus change */
  guint       focus_timeout_id;
@@ -222,7 +215,6 @@ struct _MetaDisplay
  gboolean    grab_threshold_movement_reached; /* raise_on_click == FALSE.    */
  MetaResizePopup *grab_resize_popup;
  GTimeVal    grab_last_moveresize_time;
-  guint32     grab_motion_notify_time;
  GList*      grab_old_window_stacking;
  MetaEdgeResistanceData *grab_edge_resistance_data;
  unsigned int grab_last_user_action_was_snap;
@@ -240,8 +232,8 @@ struct _MetaDisplay
  int	      grab_resize_timeout_id;

  /* Keybindings stuff */
-  MetaKeyBinding *key_bindings;
-  int             n_key_bindings;
+  GHashTable     *key_bindings;
+  GHashTable     *key_bindings_index;
  int             min_keycode;
  int             max_keycode;
  KeySym *keymap;
@@ -451,6 +443,14 @@ void meta_display_retheme_all (void);
 void meta_display_set_cursor_theme (const char *theme, 
 				    int         size);

+void meta_display_ping_window      (MetaWindow         *window,
+                                    guint32             timestamp,
+                                    MetaWindowPingFunc  ping_reply_func,
+                                    MetaWindowPingFunc  ping_timeout_func,
+                                    void               *user_data);
+void meta_display_pong_for_serial  (MetaDisplay        *display,
+                                    guint32             serial);
+
 int meta_resize_gravity_from_grab_op (MetaGrabOp op);

 gboolean meta_grab_op_is_moving   (MetaGrabOp op);
@@ -483,10 +483,9 @@ gboolean meta_display_process_barrier_event (MetaDisplay *display,
                                             XIEvent     *event);
 #endif /* HAVE_XI23 */

-void meta_display_set_input_focus_xwindow (MetaDisplay   *display,
-                                           MetaScreen    *screen,
-                                           MetaFocusType  type,
-                                           Window         window,
-                                           guint32        timestamp);
+void meta_display_set_input_focus_xwindow (MetaDisplay *display,
+                                           MetaScreen  *screen,
+                                           Window       window,
+                                           guint32      timestamp);

 #endif
--- a/src/core/display.c
+++ b/src/core/display.c
--- a/src/core/edge-resistance.c
+++ b/src/core/edge-resistance.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/edge-resistance.h
+++ b/src/core/edge-resistance.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_EDGE_RESISTANCE_H
--- a/src/core/errors.c
+++ b/src/core/errors.c
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
--- a/src/core/frame.c
+++ b/src/core/frame.c
@@ -18,9 +18,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
@@ -52,9 +50,6 @@ meta_window_ensure_frame (MetaWindow *window)
  if (window->frame)
    return;
  
-  /* See comment below for why this is required. */
-  meta_display_grab (window->display);
-  
  frame = g_new (MetaFrame, 1);

  frame->window = window;
@@ -67,7 +62,6 @@ meta_window_ensure_frame (MetaWindow *window)
  frame->right_width = 0;
  frame->current_cursor = 0;

-  frame->mapped = FALSE;
  frame->is_flashing = FALSE;
  frame->borders_cached = FALSE;
  
@@ -120,14 +114,6 @@ meta_window_ensure_frame (MetaWindow *window)
  
  meta_display_register_x_window (window->display, &frame->xwindow, window);

-  /* Reparent the client window; it may be destroyed,
-   * thus the error trap. We'll get a destroy notify later
-   * and free everything. Comment in FVWM source code says
-   * we need a server grab or the child can get its MapNotify
-   * before we've finished reparenting and getting the decoration
-   * window onscreen, so ensure_frame must be called with
-   * a grab.
-   */
  meta_error_trap_push (window->display);
  if (window->mapped)
    {
@@ -171,7 +157,7 @@ meta_window_ensure_frame (MetaWindow *window)
  /* Move keybindings to frame instead of window */
  meta_window_grab_keys (window);

-  meta_display_ungrab (window->display);
+  meta_ui_map_frame (frame->window->screen->ui, frame->xwindow);
 }

 void
--- a/src/core/frame.h
+++ b/src/core/frame.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_FRAME_PRIVATE_H
@@ -49,7 +47,6 @@ struct _MetaFrame
  int right_width;
  int bottom_height;

-  guint mapped : 1;
  guint need_reapply_frame_shape : 1;
  guint is_flashing : 1; /* used by the visual bell flash */
  guint borders_cached : 1;
--- a/src/core/group-private.h
+++ b/src/core/group-private.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_GROUP_PRIVATE_H
--- a/src/core/group-props.c
+++ b/src/core/group-props.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/group-props.h
+++ b/src/core/group-props.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_GROUP_PROPS_H
--- a/src/core/group.c
+++ b/src/core/group.c
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
--- a/src/core/iconcache.c
+++ b/src/core/iconcache.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/iconcache.h
+++ b/src/core/iconcache.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_ICON_CACHE_H
--- a/src/core/keybindings-private.h
+++ b/src/core/keybindings-private.h
@@ -21,9 +21,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_KEYBINDINGS_PRIVATE_H
@@ -32,6 +30,7 @@
 #include <gio/gio.h>
 #include <meta/keybindings.h>

+typedef struct _MetaKeyHandler MetaKeyHandler;
 struct _MetaKeyHandler
 {
  char *name;
@@ -49,9 +48,48 @@ struct _MetaKeyBinding
  KeyCode keycode;
  unsigned int mask;
  MetaVirtualModifier modifiers;
+  gint flags;
  MetaKeyHandler *handler;
 };

+/**
+ * MetaKeyCombo:
+ * @keysym: keysym
+ * @keycode: keycode
+ * @modifiers: modifiers
+ */
+typedef struct _MetaKeyCombo MetaKeyCombo;
+struct _MetaKeyCombo
+{
+  unsigned int keysym;
+  unsigned int keycode;
+  MetaVirtualModifier modifiers;
+};
+
+typedef struct
+{
+  char *name;
+  GSettings *settings;
+
+  MetaKeyBindingAction action;
+
+  /*
+   * A list of MetaKeyCombos. Each of them is bound to
+   * this keypref. If one has keysym==modifiers==0, it is
+   * ignored.
+   */
+  GSList *combos;
+
+  /* for keybindings that can have shift or not like Alt+Tab */
+  gboolean      add_shift:1;
+
+  /* for keybindings that apply only to a window */
+  gboolean      per_window:1;
+
+  /* for keybindings not added with meta_display_add_keybinding() */
+  gboolean      builtin:1;
+} MetaKeyPref;
+
 void     meta_display_init_keys             (MetaDisplay *display);
 void     meta_display_shutdown_keys         (MetaDisplay *display);
 void     meta_screen_grab_keys              (MetaScreen  *screen);
@@ -79,5 +117,8 @@ gboolean meta_prefs_add_keybinding          (const char           *name,

 gboolean meta_prefs_remove_keybinding       (const char    *name);

+GList *meta_prefs_get_keybindings (void);
+void meta_prefs_get_overlay_binding (MetaKeyCombo *combo);
+const char *meta_prefs_get_iso_next_group_option (void);

 #endif
--- a/src/core/keybindings.c
+++ b/src/core/keybindings.c
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
@@ -55,7 +53,7 @@
 #include "session.h"
 #include <meta/prefs.h>
 #include <meta/compositor.h>
-#include "meta-wayland-private.h"
+#include "meta-wayland.h"

 #include <glib-object.h>
 #include <glib-unix.h>
@@ -256,19 +254,8 @@ meta_get_option_context (void)
  bindtextdomain (GETTEXT_PACKAGE, MUTTER_LOCALEDIR);
  bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");

-  /* We must set the windowing backend here, because Clutter creates the backend
-     object when the first call is made.
-
-     We consider running from mutter-launch equivalent to running from bare metal.
-  */
-  if (getenv ("WESTON_LAUNCHER_SOCK"))
-    clutter_set_windowing_backend (CLUTTER_WINDOWING_EGL);
-
  ctx = g_option_context_new (NULL);
  g_option_context_add_main_entries (ctx, meta_options, GETTEXT_PACKAGE);
-  g_option_context_add_group (ctx, clutter_get_option_group_without_init ());
-  g_option_context_add_group (ctx, cogl_get_option_group ());
-
  return ctx;
 }

@@ -304,8 +291,12 @@ event_dispatch (GSource    *source,
                gpointer    user_data)
 {
  ClutterEvent *event = clutter_event_get ();
+
  if (event)
-    clutter_do_event (event);
+    {
+      clutter_do_event (event);
+      clutter_event_free (event);
+    }

  return TRUE;
 }
@@ -343,16 +334,17 @@ meta_clutter_init (void)
 * also is %NULL, use the default - :0.0
 */
 static void
-meta_select_display (gchar *display_name)
+meta_select_display (char *display_arg)
 {
-  gchar *envVar = "";
+  const char *display_name;
+
+  if (display_arg)
+    display_name = (const char *) display_arg;
+  else
+    display_name = g_getenv ("MUTTER_DISPLAY");
+
  if (display_name)
-    envVar = g_strconcat ("DISPLAY=", display_name, NULL);
-  else if (g_getenv ("MUTTER_DISPLAY"))
-    envVar = g_strconcat ("DISPLAY=",
-      g_getenv ("MUTTER_DISPLAY"), NULL);
-  /* DO NOT FREE envVar, putenv() sucks */
-  putenv (envVar);
+    g_setenv ("DISPLAY", display_name, TRUE);
 }

 static void
@@ -387,7 +379,8 @@ meta_init (void)
 {
  struct sigaction act;
  sigset_t empty_mask;
-  
+  ClutterSettings *clutter_settings;
+
  sigemptyset (&empty_mask);
  act.sa_handler = SIG_IGN;
  act.sa_mask    = empty_mask;
@@ -408,6 +401,10 @@ meta_init (void)
  if (g_getenv ("MUTTER_DEBUG"))
    meta_set_debugging (TRUE);

+  /* We consider running from mutter-launch equivalent to running from bare metal. */
+  if (getenv ("WESTON_LAUNCHER_SOCK"))
+    clutter_set_windowing_backend (CLUTTER_WINDOWING_EGL);
+
  meta_set_is_wayland_compositor (opt_wayland);

  if (g_get_home_dir ())
@@ -439,7 +436,7 @@ meta_init (void)
    meta_fatal ("Can't specify both SM save file and SM client id\n");
  
  meta_main_loop = g_main_loop_new (NULL, FALSE);
-  
+
  meta_ui_init ();

  /* If we are running with wayland then we don't wait until we have
@@ -453,6 +450,13 @@ meta_init (void)
       */
      meta_clutter_init ();
    }
+
+  /*
+   * XXX: We cannot handle high dpi scaling yet, so fix the scale to 1
+   * for now.
+   */
+  clutter_settings = clutter_settings_get_default ();
+  g_object_set (clutter_settings, "window-scaling-factor", 1, NULL);
 }

 /**
--- a/src/core/meta-cursor-tracker-private.h
+++ b/src/core/meta-cursor-tracker-private.h
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Author: Giovanni Campagna <gcampagn@redhat.com>
 */
--- a/src/core/meta-cursor-tracker.c
+++ b/src/core/meta-cursor-tracker.c
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Author: Giovanni Campagna <gcampagn@redhat.com>
 */
@@ -307,7 +305,6 @@ meta_cursor_reference_from_theme (MetaCursorTracker  *tracker,
  self->texture = cogl_texture_2d_new_from_data (cogl_context,
                                                 width, height,
                                                 cogl_format,
-                                                 COGL_PIXEL_FORMAT_ANY,
                                                 rowstride,
                                                 (uint8_t*)image->pixels,
                                                 NULL);
@@ -367,7 +364,7 @@ meta_cursor_reference_from_buffer (MetaCursorTracker  *tracker,
  ClutterBackend *backend;
  CoglContext *cogl_context;
  MetaCursorReference *self;
-  CoglPixelFormat cogl_format, cogl_internal_format;
+  CoglPixelFormat cogl_format;
  struct wl_shm_buffer *shm_buffer;
  uint32_t gbm_format;

@@ -391,37 +388,31 @@ meta_cursor_reference_from_buffer (MetaCursorTracker  *tracker,
 #if G_BYTE_ORDER == G_BIG_ENDIAN
          case WL_SHM_FORMAT_ARGB8888:
            cogl_format = COGL_PIXEL_FORMAT_ARGB_8888_PRE;
-            cogl_internal_format = COGL_PIXEL_FORMAT_ANY;
            gbm_format = GBM_FORMAT_ARGB8888;
            break;
          case WL_SHM_FORMAT_XRGB8888:
            cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
-            cogl_internal_format = COGL_PIXEL_FORMAT_RGB_888;
            gbm_format = GBM_FORMAT_XRGB8888;
            break;
 #else
          case WL_SHM_FORMAT_ARGB8888:
            cogl_format = COGL_PIXEL_FORMAT_BGRA_8888_PRE;
-            cogl_internal_format = COGL_PIXEL_FORMAT_ANY;
            gbm_format = GBM_FORMAT_ARGB8888;
            break;
          case WL_SHM_FORMAT_XRGB8888:
            cogl_format = COGL_PIXEL_FORMAT_BGRA_8888;
-            cogl_internal_format = COGL_PIXEL_FORMAT_BGR_888;
            gbm_format = GBM_FORMAT_XRGB8888;
            break;
 #endif
          default:
            g_warn_if_reached ();
            cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
-            cogl_internal_format = COGL_PIXEL_FORMAT_ANY;
            gbm_format = GBM_FORMAT_ARGB8888;
        }

      self->texture = cogl_texture_2d_new_from_data (cogl_context,
                                                     width, height,
                                                     cogl_format,
-                                                     cogl_internal_format,
                                                     rowstride,
                                                     wl_shm_buffer_get_data (shm_buffer),
                                                     NULL);
@@ -477,47 +468,10 @@ meta_cursor_reference_from_buffer (MetaCursorTracker  *tracker,

      if (tracker->gbm)
        {
-          cogl_format = cogl_texture_get_format (COGL_TEXTURE (self->texture));
-          switch (cogl_format)
-            {
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN
-            case COGL_PIXEL_FORMAT_ARGB_8888_PRE:
-            case COGL_PIXEL_FORMAT_ARGB_8888:
-              gbm_format = GBM_FORMAT_BGRA8888;
-              break;
-            case COGL_PIXEL_FORMAT_BGRA_8888_PRE:
-            case COGL_PIXEL_FORMAT_BGRA_8888:
-              break;
-            case COGL_PIXEL_FORMAT_RGB_888:
-              break;
-#else
-            case COGL_PIXEL_FORMAT_ARGB_8888_PRE:
-            case COGL_PIXEL_FORMAT_ARGB_8888:
-              gbm_format = GBM_FORMAT_ARGB8888;
-              break;
-            case COGL_PIXEL_FORMAT_BGRA_8888_PRE:
-            case COGL_PIXEL_FORMAT_BGRA_8888:
-              gbm_format = GBM_FORMAT_BGRA8888;
-              break;
-            case COGL_PIXEL_FORMAT_RGB_888:
-              gbm_format = GBM_FORMAT_RGB888;
-              break;
-#endif
-            default:
-              meta_warning ("Unknown cogl format %d\n", cogl_format);
-              return self;
-            }
-
-          if (gbm_device_is_format_supported (tracker->gbm, gbm_format,
-                                              GBM_BO_USE_CURSOR_64X64))
-            {
-              self->bo = gbm_bo_import (tracker->gbm, GBM_BO_IMPORT_WL_BUFFER,
-                                        buffer, GBM_BO_USE_CURSOR_64X64);
-              if (!self->bo)
-                meta_warning ("Importing HW cursor from wl_buffer failed\n");
-            }
-          else
-            meta_warning ("HW cursor for format %d not supported\n", gbm_format);
+          self->bo = gbm_bo_import (tracker->gbm, GBM_BO_IMPORT_WL_BUFFER,
+                                    buffer, GBM_BO_USE_CURSOR_64X64);
+          if (!self->bo)
+            meta_warning ("Importing HW cursor from wl_buffer failed\n");
        }
     }

@@ -616,9 +570,14 @@ make_wayland_cursor_tracker (MetaScreen *screen)
  compositor = meta_wayland_compositor_get_default ();
  compositor->seat->cursor_tracker = self;

-  self->drm_fd = compositor->drm_fd;
-  if (self->drm_fd >= 0)
-    self->gbm = gbm_create_device (compositor->drm_fd);
+#if defined(CLUTTER_WINDOWING_EGL)
+  if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
+    {
+      CoglRenderer *cogl_renderer = cogl_display_get_renderer (cogl_context_get_display (ctx));
+      self->drm_fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
+      self->gbm = gbm_create_device (self->drm_fd);
+    }
+#endif

  monitors = meta_monitor_manager_get ();
  g_signal_connect_object (monitors, "monitors-changed",
@@ -656,11 +615,9 @@ meta_cursor_tracker_get_for_screen (MetaScreen *screen)
  if (screen->cursor_tracker)
    return screen->cursor_tracker;

-#ifdef HAVE_WAYLAND
  if (meta_is_wayland_compositor ())
    self = make_wayland_cursor_tracker (screen);
  else
-#endif
    self = make_x11_cursor_tracker (screen);

  screen->cursor_tracker = self;
@@ -747,7 +704,6 @@ ensure_xfixes_cursor (MetaCursorTracker *tracker)
                                          cursor_image->width,
                                          cursor_image->height,
                                          CLUTTER_CAIRO_FORMAT_ARGB32,
-                                          COGL_PIXEL_FORMAT_ANY,
                                          cursor_image->width * 4, /* stride */
                                          cursor_data,
                                          NULL);
--- a/src/core/meta-idle-monitor-private.h
+++ b/src/core/meta-idle-monitor-private.h
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Adapted from gnome-session/gnome-session/gs-idle-monitor.c and
 *         from gnome-desktop/libgnome-desktop/gnome-idle-monitor.c
--- a/src/core/meta-idle-monitor.c
+++ b/src/core/meta-idle-monitor.c
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Adapted from gnome-session/gnome-session/gs-idle-monitor.c and
 *         from gnome-desktop/libgnome-desktop/gnome-idle-monitor.c
@@ -537,7 +535,7 @@ make_watch (MetaIdleMonitor           *monitor,
          watch->timeout_source = source;
        }
    }
-  else
+  else if (monitor->user_active_alarm != None)
    {
      if (timeout_msec != 0)
        {
@@ -655,8 +653,10 @@ meta_idle_monitor_remove_watch (MetaIdleMonitor *monitor,
 {
  g_return_if_fail (META_IS_IDLE_MONITOR (monitor));

+  g_object_ref (monitor);
  g_hash_table_remove (monitor->watches,
                       GUINT_TO_POINTER (id));
+  g_object_unref (monitor);
 }

 /**
--- a/src/core/meta-xrandr-shared.h
+++ b/src/core/meta-xrandr-shared.h
@@ -13,9 +13,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /* This file is shared between mutter (src/core/meta-xrandr-shared.h)
--- a/src/core/monitor-config.c
+++ b/src/core/monitor-config.c
@@ -20,9 +20,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /*
--- a/src/core/monitor-kms.c
+++ b/src/core/monitor-kms.c
@@ -111,8 +111,7 @@ make_output_name (drmModeConnector *connector)
  };
  const char *connector_type_name;

-  if (connector->connector_type >= 0 &&
-      connector->connector_type < G_N_ELEMENTS (connector_type_names))
+  if (connector->connector_type < G_N_ELEMENTS (connector_type_names))
    connector_type_name = connector_type_names[connector->connector_type];
  else
    connector_type_name = "unknown";
@@ -651,7 +650,7 @@ meta_monitor_manager_kms_set_power_save_mode (MetaMonitorManager *manager,
    state = DRM_MODE_DPMS_SUSPEND;
    break;
  case META_POWER_SAVE_OFF:
-    state = DRM_MODE_DPMS_SUSPEND;
+    state = DRM_MODE_DPMS_OFF;
    break;
  default:
    return;
--- a/src/core/monitor-private.h
+++ b/src/core/monitor-private.h
@@ -29,9 +29,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_MONITOR_PRIVATE_H
@@ -44,9 +42,7 @@
 #include <meta/screen.h>
 #include "stack-tracker.h"
 #include "ui.h"
-#ifdef HAVE_WAYLAND
 #include <wayland-server.h>
-#endif
 #include "meta-xrandr-shared.h"

 #include "meta-dbus-xrandr.h"
@@ -56,19 +52,6 @@ typedef struct _MetaMonitorManager         MetaMonitorManager;
 typedef struct _MetaMonitorConfigClass    MetaMonitorConfigClass;
 typedef struct _MetaMonitorConfig         MetaMonitorConfig;

-#ifndef HAVE_WAYLAND
-enum wl_output_transform {
-  WL_OUTPUT_TRANSFORM_NORMAL,
-  WL_OUTPUT_TRANSFORM_90,
-  WL_OUTPUT_TRANSFORM_180,
-  WL_OUTPUT_TRANSFORM_270,
-  WL_OUTPUT_TRANSFORM_FLIPPED,
-  WL_OUTPUT_TRANSFORM_FLIPPED_90,
-  WL_OUTPUT_TRANSFORM_FLIPPED_180,
-  WL_OUTPUT_TRANSFORM_FLIPPED_270
-};
-#endif
-
 typedef struct _MetaOutput MetaOutput;
 typedef struct _MetaCRTC MetaCRTC;
 typedef struct _MetaMonitorMode MetaMonitorMode;
--- a/src/core/monitor-xrandr.c
+++ b/src/core/monitor-xrandr.c
@@ -20,9 +20,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "config.h"
--- a/src/core/monitor.c
+++ b/src/core/monitor.c
@@ -20,9 +20,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "config.h"
@@ -36,7 +34,6 @@
 #include "util-private.h"
 #include <meta/errors.h>
 #include "monitor-private.h"
-#include "meta-wayland-private.h"

 #include "meta-dbus-xrandr.h"

@@ -290,7 +287,7 @@ make_logical_config (MetaMonitorManager *manager)

      for (j = 0; j < monitor_infos->len; j++)
        {
-          MetaMonitorInfo *info = &g_array_index (monitor_infos, MetaMonitorInfo, i);
+          MetaMonitorInfo *info = &g_array_index (monitor_infos, MetaMonitorInfo, j);
          if (meta_rectangle_equal (&crtc->rect,
                                    &info->rect))
            {
@@ -358,19 +355,35 @@ make_logical_config (MetaMonitorManager *manager)
 static GType
 get_default_backend (void)
 {
-  if (meta_is_wayland_compositor ())
+#if defined(CLUTTER_WINDOWING_EGL)
+  if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
+    return META_TYPE_MONITOR_MANAGER_KMS;
+#endif
+
+#if defined(CLUTTER_WINDOWING_X11)
+  if (clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
    {
-      MetaWaylandCompositor *compositor;
-
-      compositor = meta_wayland_compositor_get_default ();
-
-      if (meta_wayland_compositor_is_native (compositor))
-        return META_TYPE_MONITOR_MANAGER_KMS;
-      else
+      /* If we're a Wayland compositor using the X11 backend,
+       * we're a nested configuration, so return the dummy
+       * monitor setup. */
+      if (meta_is_wayland_compositor ())
        return META_TYPE_MONITOR_MANAGER;
+      else
+        return META_TYPE_MONITOR_MANAGER_XRANDR;
    }
-  else
-    return META_TYPE_MONITOR_MANAGER_XRANDR;
+#endif
+
+#if defined(CLUTTER_WINDOWING_WAYLAND)
+  if (clutter_check_windowing_backend (CLUTTER_WINDOWING_WAYLAND))
+    {
+      /* Use the dummy implementation on Wayland for now.
+       * In the future, we should support wl_fullscreen_output
+       * which will have CRTC management in the protocol. */
+      return META_TYPE_MONITOR_MANAGER;
+    }
+#endif
+
+  g_assert_not_reached ();
 }

 static MetaMonitorManager *
@@ -614,46 +627,60 @@ static char *
 make_display_name (MetaMonitorManager *manager,
                   MetaOutput         *output)
 {
+  char *inches = NULL;
+  char *vendor_name = NULL;
+  char *ret;
+
  if (g_str_has_prefix (output->name, "LVDS") ||
      g_str_has_prefix (output->name, "eDP"))
-    return g_strdup (_("Built-in display"));
+    {
+      ret = g_strdup (_("Built-in display"));
+      goto out;
+    }

-  if (output->width_mm != -1 && output->height_mm != -1)
+  if (output->width_mm > 0 && output->height_mm > 0)
    {
      double d = sqrt (output->width_mm * output->width_mm +
                       output->height_mm * output->height_mm);
-      char *inches = diagonal_to_str (d / 25.4);
-      char *vendor_name;
-      char *ret;
+      inches = diagonal_to_str (d / 25.4);
+    }

-      if (g_strcmp0 (output->vendor, "unknown") != 0)
-        {
-          if (!manager->pnp_ids)
-            manager->pnp_ids = gnome_pnp_ids_new ();
+  if (g_strcmp0 (output->vendor, "unknown") != 0)
+    {
+      if (!manager->pnp_ids)
+        manager->pnp_ids = gnome_pnp_ids_new ();

-          vendor_name = gnome_pnp_ids_get_pnp_id (manager->pnp_ids,
-                                                  output->vendor);
+      vendor_name = gnome_pnp_ids_get_pnp_id (manager->pnp_ids,
+                                              output->vendor);

-          ret = g_strdup_printf ("%s %s", vendor_name, inches);
-
-          g_free (vendor_name);
-        }
-      else
-        {
-          /* TRANSLATORS: this is a monitor name (in case we don't know
-             the vendor), it's Unknown followed by a size in inches,
-             like 'Unknown 15"'
-          */
-          ret = g_strdup_printf (_("Unknown %s"), inches);
-        }
-
-      g_free (inches);
-      return ret;
+      if (!vendor_name)
+        vendor_name = g_strdup (output->vendor);
    }
  else
    {
-      return g_strdup (output->vendor);
+      if (inches != NULL)
+        vendor_name = g_strdup (_("Unknown"));
+      else
+        vendor_name = g_strdup (_("Unknown Display"));
    }
+
+  if (inches != NULL)
+    {
+      /* TRANSLATORS: this is a monitor vendor name, followed by a
+       * size in inches, like 'Dell 15"'
+       */
+      ret = g_strdup_printf (_("%s %s"), vendor_name, inches);
+    }
+  else
+    {
+      ret = g_strdup (vendor_name);
+    }
+
+ out:
+  g_free (inches);
+  g_free (vendor_name);
+
+  return ret;
 }

 static gboolean
--- a/src/core/mutter.c
+++ b/src/core/mutter.c
@@ -14,9 +14,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "config.h"
--- a/src/core/place.c
+++ b/src/core/place.c
@@ -19,9 +19,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/place.h
+++ b/src/core/place.h
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_PLACE_H
--- a/src/core/prefs.c
+++ b/src/core/prefs.c
@@ -17,9 +17,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
@@ -59,7 +57,6 @@

 #define KEY_OVERLAY_KEY "overlay-key"
 #define KEY_WORKSPACES_ONLY_ON_PRIMARY "workspaces-only-on-primary"
-#define KEY_NO_TAB_POPUP "no-tab-popup"

 /* These are the different schemas we are keeping
 * a GSettings instance for */
@@ -114,8 +111,6 @@ static char **workspace_names = NULL;

 static gboolean workspaces_only_on_primary = FALSE;

-static gboolean no_tab_popup = FALSE;
-
 static char *iso_next_group_option = NULL;

 static void handle_preference_update_enum (GSettings *settings,
@@ -367,13 +362,6 @@ static MetaBoolPreference preferences_bool[] =
      },
      &workspaces_only_on_primary,
    },
-    {
-      { KEY_NO_TAB_POPUP,
-        SCHEMA_MUTTER,
-        META_PREF_NO_TAB_POPUP,
-      },
-      &no_tab_popup,
-    },
    {
      { "auto-maximize",
        SCHEMA_MUTTER,
@@ -1815,9 +1803,6 @@ meta_preference_to_string (MetaPreference pref)
    case META_PREF_WORKSPACES_ONLY_ON_PRIMARY:
      return "WORKSPACES_ONLY_ON_PRIMARY";

-    case META_PREF_NO_TAB_POPUP:
-      return "NO_TAB_POPUP";
-
    case META_PREF_DRAGGABLE_BORDER_WIDTH:
      return "DRAGGABLE_BORDER_WIDTH";

@@ -1871,7 +1856,7 @@ init_bindings (void)
  pref = g_new0 (MetaKeyPref, 1);
  pref->name = g_strdup ("overlay-key");
  pref->action = META_KEYBINDING_ACTION_OVERLAY_KEY;
-  pref->bindings = g_slist_prepend (pref->bindings, &overlay_key_combo);
+  pref->combos = g_slist_prepend (pref->combos, &overlay_key_combo);
  pref->builtin = 1;

  g_hash_table_insert (key_bindings, g_strdup ("overlay-key"), pref);
@@ -1881,7 +1866,7 @@ static gboolean
 update_binding (MetaKeyPref *binding,
                gchar      **strokes)
 {
-  GSList *old_bindings, *a, *b;
+  GSList *old_combos, *a, *b;
  gboolean changed;
  unsigned int keysym;
  unsigned int keycode;
@@ -1893,8 +1878,8 @@ update_binding (MetaKeyPref *binding,
              "Binding \"%s\" has new GSettings value\n",
              binding->name);

-  old_bindings = binding->bindings;
-  binding->bindings = NULL;
+  old_combos = binding->combos;
+  binding->combos = NULL;

  for (i = 0; strokes && strokes[i]; i++)
    {
@@ -1935,17 +1920,17 @@ update_binding (MetaKeyPref *binding,
      combo->keysym = keysym;
      combo->keycode = keycode;
      combo->modifiers = mods;
-      binding->bindings = g_slist_prepend (binding->bindings, combo);
+      binding->combos = g_slist_prepend (binding->combos, combo);

      meta_topic (META_DEBUG_KEYBINDINGS,
                      "New keybinding for \"%s\" is keysym = 0x%x keycode = 0x%x mods = 0x%x\n",
                      binding->name, keysym, keycode, mods);
    }

-  binding->bindings = g_slist_reverse (binding->bindings);
+  binding->combos = g_slist_reverse (binding->combos);

-  a = old_bindings;
-  b = binding->bindings;
+  a = old_combos;
+  b = binding->combos;
  while (TRUE)
    {
      if ((!a && b) || (a && !b))
@@ -1970,7 +1955,7 @@ update_binding (MetaKeyPref *binding,
        }
    }

-  g_slist_free_full (old_bindings, g_free);
+  g_slist_free_full (old_combos, g_free);

  return changed;
 }
@@ -2105,7 +2090,7 @@ meta_prefs_add_keybinding (const char           *name,
  pref->name = g_strdup (name);
  pref->settings = g_object_ref (settings);
  pref->action = action;
-  pref->bindings = NULL;
+  pref->combos = NULL;
  pref->add_shift = (flags & META_KEY_BINDING_REVERSES) != 0;
  pref->per_window = (flags & META_KEY_BINDING_PER_WINDOW) != 0;
  pref->builtin = (flags & META_KEY_BINDING_BUILTIN) != 0;
@@ -2169,11 +2154,6 @@ meta_prefs_remove_keybinding (const char *name)
  return TRUE;
 }

-/**
- * meta_prefs_get_keybindings:
- *
- * Returns: (element-type MetaKeyPref) (transfer container):
- */
 GList *
 meta_prefs_get_keybindings ()
 {
@@ -2274,7 +2254,7 @@ meta_prefs_get_window_binding (const char          *name,

  if (pref->per_window)
    {
-      GSList *s = pref->bindings;
+      GSList *s = pref->combos;

      while (s)
        {
@@ -2322,25 +2302,6 @@ meta_prefs_get_workspaces_only_on_primary (void)
  return workspaces_only_on_primary;
 }

-
-gboolean
-meta_prefs_get_no_tab_popup (void)
-{
-  return no_tab_popup;
-}
-
-void
-meta_prefs_set_no_tab_popup (gboolean whether)
-{
-  MetaBasePreference *pref;
-
-  if (find_pref (preferences_bool, sizeof(MetaBoolPreference),
-                 KEY_NO_TAB_POPUP, &pref))
-    {
-      g_settings_set_boolean (SETTINGS (pref->schema), KEY_NO_TAB_POPUP, whether);
-    }
-}
-
 int
 meta_prefs_get_draggable_border_width (void)
 {
--- a/src/core/screen-private.h
+++ b/src/core/screen-private.h
@@ -25,9 +25,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_SCREEN_PRIVATE_H
@@ -66,8 +64,6 @@ struct _MetaScreen
  Visual *default_xvisual;
  MetaRectangle rect;  /* Size of screen; rect.x & rect.y are always 0 */
  MetaUI *ui;
-  MetaTabPopup *tab_popup, *ws_popup;
-  MetaTilePreview *tile_preview;

  guint tile_preview_timeout_id;

@@ -153,25 +149,9 @@ void          meta_screen_foreach_window      (MetaScreen                 *scree

 void          meta_screen_update_cursor       (MetaScreen                 *screen);

-void          meta_screen_tab_popup_create       (MetaScreen              *screen,
-                                                  MetaTabList              list_type,
-                                                  MetaTabShowType          show_type,
-                                                  MetaWindow              *initial_window);
-void          meta_screen_tab_popup_forward      (MetaScreen              *screen);
-void          meta_screen_tab_popup_backward     (MetaScreen              *screen);
-MetaWindow*   meta_screen_tab_popup_get_selected (MetaScreen              *screen);
-void          meta_screen_tab_popup_destroy      (MetaScreen              *screen);
-
-void          meta_screen_workspace_popup_create       (MetaScreen    *screen,
-                                                        MetaWorkspace *initial_selection);
-void          meta_screen_workspace_popup_select       (MetaScreen    *screen,
-                                                        MetaWorkspace *workspace);
-MetaWorkspace*meta_screen_workspace_popup_get_selected (MetaScreen    *screen);
-void          meta_screen_workspace_popup_destroy      (MetaScreen    *screen);
-
-void          meta_screen_tile_preview_update          (MetaScreen    *screen,
+void          meta_screen_update_tile_preview          (MetaScreen    *screen,
                                                        gboolean       delay);
-void          meta_screen_tile_preview_hide            (MetaScreen    *screen);
+void          meta_screen_hide_tile_preview            (MetaScreen    *screen);

 MetaWindow*   meta_screen_get_mouse_window     (MetaScreen                 *screen,
                                                MetaWindow                 *not_this_one);
@@ -243,7 +223,7 @@ void     meta_screen_workspace_switched (MetaScreen         *screen,

 void meta_screen_set_active_workspace_hint (MetaScreen *screen);

-Window   meta_screen_create_guard_window (Display *xdisplay, MetaScreen *screen);
+void meta_screen_create_guard_window (MetaScreen *screen);

 gboolean meta_screen_handle_xevent (MetaScreen *screen,
                                    XEvent     *xevent);
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -19,9 +19,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
@@ -45,7 +43,7 @@
 #include <meta/compositor.h>
 #include "mutter-enum-types.h"
 #include "core.h"
-#include "meta-wayland-private.h"
+#include "meta-wayland.h"
 #include "meta-cursor-tracker-private.h"

 #include <X11/extensions/Xinerama.h>
@@ -310,6 +308,8 @@ set_supported_hint (MetaScreen *screen)
 #include <meta/atomnames.h>
 #undef item
 #undef EWMH_ATOMS_ONLY
+
+    screen->display->atom__GTK_FRAME_EXTENTS,
  };

  XChangeProperty (screen->display->xdisplay, screen->xroot,
@@ -391,6 +391,8 @@ int
 meta_screen_monitor_index_to_xinerama_index (MetaScreen *screen,
                                             int         index)
 {
+  g_return_val_if_fail (index >= 0 && index < screen->n_monitor_infos, -1);
+
  meta_screen_ensure_xinerama_indices (screen);

  return screen->monitor_infos[index].xinerama_index;
@@ -447,17 +449,16 @@ reload_monitor_infos (MetaScreen *screen)
 * should effectively be forwarded to events on the background actor,
 * providing that the scene graph is set up correctly.
 */
-Window
-meta_screen_create_guard_window (Display *xdisplay, MetaScreen *screen)
+static Window
+create_guard_window (Display *xdisplay, MetaScreen *screen)
 {
  XSetWindowAttributes attributes;
  Window guard_window;
  gulong create_serial;
  MetaStackWindow stack_window;
-  
+
  attributes.event_mask = NoEventMask;
  attributes.override_redirect = True;
-  attributes.background_pixel = BlackPixel (xdisplay, screen->number);

  /* We have to call record_add() after we have the new window ID,
   * so save the serial for the CreateWindow request until then */
@@ -470,10 +471,10 @@ meta_screen_create_guard_window (Display *xdisplay, MetaScreen *screen)
 		   screen->rect.width,
 		   screen->rect.height,
 		   0, /* border width */
-		   CopyFromParent, /* depth */
-		   CopyFromParent, /* class */
+		   0, /* depth */
+		   InputOnly, /* class */
 		   CopyFromParent, /* visual */
-		   CWEventMask|CWOverrideRedirect|CWBackPixel,
+		   CWEventMask|CWOverrideRedirect,
 		   &attributes);

  {
@@ -761,10 +762,6 @@ meta_screen_new (MetaDisplay *display,
  screen->ui = meta_ui_new (screen->display->xdisplay,
                            screen->xscreen);

-  screen->tab_popup = NULL;
-  screen->ws_popup = NULL;
-  screen->tile_preview = NULL;
-
  screen->tile_preview_timeout_id = 0;

  screen->stack = meta_stack_new (screen);
@@ -869,9 +866,6 @@ meta_screen_free (MetaScreen *screen,
  if (screen->tile_preview_timeout_id)
    g_source_remove (screen->tile_preview_timeout_id);

-  if (screen->tile_preview)
-    meta_tile_preview_free (screen->tile_preview);
-  
  g_free (screen->screen_name);

  g_object_unref (screen);
@@ -880,83 +874,34 @@ meta_screen_free (MetaScreen *screen,
  meta_display_ungrab (display);
 }

-typedef struct
+void
+meta_screen_create_guard_window (MetaScreen *screen)
 {
-  Window		xwindow;
-  XWindowAttributes	attrs;
-} WindowInfo;
-
-static GList *
-list_windows (MetaScreen *screen)
-{
-  Window ignored1, ignored2;
-  Window *children;
-  guint n_children, i;
-  GList *result;
-
-  XQueryTree (screen->display->xdisplay,
-              screen->xroot,
-              &ignored1, &ignored2, &children, &n_children);
-
-  result = NULL;
-  for (i = 0; i < n_children; ++i)
-    {
-      WindowInfo *info = g_new0 (WindowInfo, 1);
-
-      meta_error_trap_push_with_return (screen->display);
-      
-      XGetWindowAttributes (screen->display->xdisplay,
-                            children[i], &info->attrs);
-
-      if (meta_error_trap_pop_with_return (screen->display))
-	{
-          meta_verbose ("Failed to get attributes for window 0x%lx\n",
-                        children[i]);
-	  g_free (info);
-        }
-      else
-        {
-	  info->xwindow = children[i];
-	}
-
-      result = g_list_prepend (result, info);
-    }
-
-  if (children)
-    XFree (children);
-
-  return g_list_reverse (result);
+  if (screen->guard_window == None)
+    screen->guard_window = create_guard_window (screen->display->xdisplay, screen);
 }

 void
 meta_screen_manage_all_windows (MetaScreen *screen)
 {
-  GList *windows;
-  GList *list;
-
-  meta_display_grab (screen->display);
-
-  if (screen->guard_window == None)
-    screen->guard_window =
-      meta_screen_create_guard_window (screen->display->xdisplay, screen);
-
-  windows = list_windows (screen);
+  MetaStackWindow *_children;
+  MetaStackWindow *children;
+  int n_children, i;

  meta_stack_freeze (screen->stack);
-  for (list = windows; list != NULL; list = list->next)
+  meta_stack_tracker_get_stack (screen->stack_tracker, &_children, &n_children);
+
+  /* Copy the stack as it will be modified as part of the loop */
+  children = g_memdup (_children, sizeof (MetaStackWindow) * n_children);
+
+  for (i = 0; i < n_children; ++i)
    {
-      WindowInfo *info = list->data;
-
-      meta_window_new_with_attrs (screen->display, info->xwindow, TRUE,
-                                  META_COMP_EFFECT_NONE,
-                                  &info->attrs);
+      meta_window_x11_new (screen->display, children[i].x11.xwindow, TRUE,
+                           META_COMP_EFFECT_NONE);
    }
+
+  g_free (children);
  meta_stack_thaw (screen->stack);
-
-  g_list_foreach (windows, (GFunc)g_free, NULL);
-  g_list_free (windows);
-
-  meta_display_ungrab (screen->display);
 }

 /**
@@ -1482,255 +1427,8 @@ meta_screen_update_cursor (MetaScreen *screen)
                                       screen->current_cursor);
 }

-void
-meta_screen_tab_popup_create (MetaScreen      *screen,
-                              MetaTabList      list_type,
-                              MetaTabShowType  show_type,
-                              MetaWindow      *initial_selection)
-{
-  MetaTabEntry *entries;
-  GList *tab_list;
-  GList *tmp;
-  int len;
-  int i;
-
-  if (screen->tab_popup)
-    return;
-
-  tab_list = meta_display_get_tab_list (screen->display,
-                                        list_type,
-                                        screen,
-                                        screen->active_workspace);
-
-  len = g_list_length (tab_list);
-
-  entries = g_new (MetaTabEntry, len + 1);
-  entries[len].key = NULL;
-  entries[len].title = NULL;
-  entries[len].icon = NULL;
-
-  i = 0;
-  tmp = tab_list;
-  while (i < len)
-    {
-      MetaWindow *window;
-      MetaRectangle r;
-
-      window = tmp->data;
-
-      entries[i].key = (MetaTabEntryKey) window;
-      entries[i].title = window->title;
-      entries[i].icon = g_object_ref (window->icon);
-      entries[i].blank = FALSE;
-      entries[i].hidden = !meta_window_showing_on_its_workspace (window);
-      entries[i].demands_attention = window->wm_state_demands_attention;
-
-      if (show_type == META_TAB_SHOW_INSTANTLY ||
-          !entries[i].hidden                   ||
-          !meta_window_get_icon_geometry (window, &r))
-        meta_window_get_frame_rect (window, &r);
-
-      entries[i].rect = r;
-
-      /* Find inside of highlight rectangle to be used when window is
-       * outlined for tabbing.  This should be the size of the
-       * east/west frame, and the size of the south frame, on those
-       * sides.  On the top it should be the size of the south frame
-       * edge.
-       */
-#define OUTLINE_WIDTH 5
-      /* Top side */
-      if (!entries[i].hidden &&
-          window->frame && window->frame->bottom_height > 0 &&
-          window->frame->child_y >= window->frame->bottom_height)
-        entries[i].inner_rect.y = window->frame->bottom_height;
-      else
-        entries[i].inner_rect.y = OUTLINE_WIDTH;
-
-      /* Bottom side */
-      if (!entries[i].hidden &&
-          window->frame && window->frame->bottom_height != 0)
-        entries[i].inner_rect.height = r.height
-          - entries[i].inner_rect.y - window->frame->bottom_height;
-      else
-        entries[i].inner_rect.height = r.height
-          - entries[i].inner_rect.y - OUTLINE_WIDTH;
-
-      /* Left side */
-      if (!entries[i].hidden && window->frame && window->frame->child_x != 0)
-        entries[i].inner_rect.x = window->frame->child_x;
-      else
-        entries[i].inner_rect.x = OUTLINE_WIDTH;
-
-      /* Right side */
-      if (!entries[i].hidden &&
-          window->frame && window->frame->right_width != 0)
-        entries[i].inner_rect.width = r.width
-          - entries[i].inner_rect.x - window->frame->right_width;
-      else
-        entries[i].inner_rect.width = r.width
-          - entries[i].inner_rect.x - OUTLINE_WIDTH;
-
-      ++i;
-      tmp = tmp->next;
-    }
-
-  if (!meta_prefs_get_no_tab_popup ())
-    screen->tab_popup = meta_ui_tab_popup_new (entries,
-                                               screen->number,
-                                               len,
-                                               5, /* FIXME */
-                                               TRUE);
-
-  for (i = 0; i < len; i++)
-    g_object_unref (entries[i].icon);
-
-  g_free (entries);
-
-  g_list_free (tab_list);
-
-  meta_ui_tab_popup_select (screen->tab_popup,
-                            (MetaTabEntryKey) initial_selection);
-
-  if (show_type != META_TAB_SHOW_INSTANTLY)
-    meta_ui_tab_popup_set_showing (screen->tab_popup, TRUE);
-}
-
-void
-meta_screen_tab_popup_forward (MetaScreen *screen)
-{
-  g_return_if_fail (screen->tab_popup != NULL);
-
-  meta_ui_tab_popup_forward (screen->tab_popup);
-}
-
-void
-meta_screen_tab_popup_backward (MetaScreen *screen)
-{
-  g_return_if_fail (screen->tab_popup != NULL);
-
-  meta_ui_tab_popup_backward (screen->tab_popup);
-}
-
-MetaWindow *
-meta_screen_tab_popup_get_selected (MetaScreen *screen)
-{
-  g_return_val_if_fail (screen->tab_popup != NULL, NULL);
-
-  return (MetaWindow *) meta_ui_tab_popup_get_selected (screen->tab_popup);
-}
-
-void
-meta_screen_tab_popup_destroy (MetaScreen *screen)
-{
-  if (screen->tab_popup)
-    {
-      meta_ui_tab_popup_free (screen->tab_popup);
-      screen->tab_popup = NULL;
-    }
-}
-
-void
-meta_screen_workspace_popup_create (MetaScreen    *screen,
-                                    MetaWorkspace *initial_selection)
-{
-  MetaTabEntry *entries;
-  int len;
-  int i;
-  MetaWorkspaceLayout layout;
-  int n_workspaces;
-  int current_workspace;
-
-  if (screen->ws_popup || meta_prefs_get_no_tab_popup ())
-    return;
-
-  current_workspace = meta_workspace_index (screen->active_workspace);
-  n_workspaces = meta_screen_get_n_workspaces (screen);
-
-  meta_screen_calc_workspace_layout (screen, n_workspaces,
-                                     current_workspace, &layout);
-
-  len = layout.grid_area;
-  
-  entries = g_new (MetaTabEntry, len + 1);
-  entries[len].key = NULL;
-  entries[len].title = NULL;
-  entries[len].icon = NULL;
-
-  i = 0;
-  while (i < len)
-    {
-      if (layout.grid[i] >= 0)
-        {
-          MetaWorkspace *workspace;
-          
-          workspace = meta_screen_get_workspace_by_index (screen,
-                                                          layout.grid[i]);
-          
-          entries[i].key = (MetaTabEntryKey) workspace;
-          entries[i].title = meta_workspace_get_name (workspace);
-          entries[i].icon = NULL;
-          entries[i].blank = FALSE;
-          
-          g_assert (entries[i].title != NULL);
-        }
-      else
-        {
-          entries[i].key = NULL;
-          entries[i].title = NULL;
-          entries[i].icon = NULL;
-          entries[i].blank = TRUE;
-        }
-      entries[i].hidden = FALSE;
-      entries[i].demands_attention = FALSE;
-
-      ++i;
-    }
-
-  screen->ws_popup = meta_ui_tab_popup_new (entries,
-                                            screen->number,
-                                            len,
-                                            layout.cols,
-                                            FALSE);
-
-  g_free (entries);
-  meta_screen_free_workspace_layout (&layout);
-
-  meta_ui_tab_popup_select (screen->ws_popup,
-                            (MetaTabEntryKey) initial_selection);
-  meta_ui_tab_popup_set_showing (screen->ws_popup, TRUE);
-}
-
-void
-meta_screen_workspace_popup_select (MetaScreen    *screen,
-                                    MetaWorkspace *workspace)
-{
-  g_return_if_fail (screen->ws_popup != NULL);
-
-  meta_ui_tab_popup_select (screen->ws_popup,
-                            (MetaTabEntryKey) workspace);
-}
-
-MetaWorkspace *
-meta_screen_workspace_popup_get_selected (MetaScreen *screen)
-{
-  g_return_val_if_fail (screen->ws_popup != NULL, NULL);
-
-  return (MetaWorkspace *) meta_ui_tab_popup_get_selected (screen->ws_popup);
-}
-
-void
-meta_screen_workspace_popup_destroy (MetaScreen *screen)
-{
-  if (screen->ws_popup)
-    {
-      meta_ui_tab_popup_free (screen->ws_popup);
-      screen->ws_popup = NULL;
-    }
-}
-
 static gboolean
-meta_screen_tile_preview_update_timeout (gpointer data)
+meta_screen_update_tile_preview_timeout (gpointer data)
 {
  MetaScreen *screen = data;
  MetaWindow *window = screen->display->grab_window;
@@ -1738,22 +1436,6 @@ meta_screen_tile_preview_update_timeout (gpointer data)

  screen->tile_preview_timeout_id = 0;

-  if (!screen->tile_preview)
-    {
-      Window xwindow;
-      gulong create_serial;
-      MetaStackWindow stack_window;
-
-      screen->tile_preview = meta_tile_preview_new (screen->number);
-      xwindow = meta_tile_preview_get_xwindow (screen->tile_preview,
-                                               &create_serial);
-      stack_window.any.type = META_WINDOW_CLIENT_TYPE_X11;
-      stack_window.x11.xwindow = xwindow;
-      meta_stack_tracker_record_add (screen->stack_tracker,
-                                     &stack_window,
-                                     create_serial);
-    }
-
  if (window)
    {
      switch (window->tile_mode)
@@ -1778,12 +1460,16 @@ meta_screen_tile_preview_update_timeout (gpointer data)
  if (needs_preview)
    {
      MetaRectangle tile_rect;
+      int monitor;

+      monitor = meta_window_get_current_tile_monitor_number (window);
      meta_window_get_current_tile_area (window, &tile_rect);
-      meta_tile_preview_show (screen->tile_preview, &tile_rect);
+      meta_compositor_show_tile_preview (screen->display->compositor,
+                                         screen, window, &tile_rect, monitor);
    }
  else
-    meta_tile_preview_hide (screen->tile_preview);
+    meta_compositor_hide_tile_preview (screen->display->compositor,
+                                       screen);

  return FALSE;
 }
@@ -1791,7 +1477,7 @@ meta_screen_tile_preview_update_timeout (gpointer data)
 #define TILE_PREVIEW_TIMEOUT_MS 200

 void
-meta_screen_tile_preview_update (MetaScreen *screen,
+meta_screen_update_tile_preview (MetaScreen *screen,
                                 gboolean    delay)
 {
  if (delay)
@@ -1801,7 +1487,7 @@ meta_screen_tile_preview_update (MetaScreen *screen,

      screen->tile_preview_timeout_id =
        g_timeout_add (TILE_PREVIEW_TIMEOUT_MS,
-                       meta_screen_tile_preview_update_timeout,
+                       meta_screen_update_tile_preview_timeout,
                       screen);
    }
  else
@@ -1809,18 +1495,18 @@ meta_screen_tile_preview_update (MetaScreen *screen,
      if (screen->tile_preview_timeout_id > 0)
        g_source_remove (screen->tile_preview_timeout_id);

-      meta_screen_tile_preview_update_timeout ((gpointer)screen);
+      meta_screen_update_tile_preview_timeout ((gpointer)screen);
    }
 }

 void
-meta_screen_tile_preview_hide (MetaScreen *screen)
+meta_screen_hide_tile_preview (MetaScreen *screen)
 {
  if (screen->tile_preview_timeout_id > 0)
    g_source_remove (screen->tile_preview_timeout_id);

-  if (screen->tile_preview)
-    meta_tile_preview_hide (screen->tile_preview);
+  meta_compositor_hide_tile_preview (screen->display->compositor,
+                                     screen);
 }

 MetaWindow*
--- a/src/core/session.c
+++ b/src/core/session.c
@@ -18,9 +18,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/session.h
+++ b/src/core/session.h
@@ -23,9 +23,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_SESSION_H
--- a/src/core/stack-tracker.c
+++ b/src/core/stack-tracker.c
@@ -29,9 +29,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
@@ -1043,7 +1041,7 @@ stack_tracker_event_received (MetaStackTracker *tracker,

  if (op->any.serial < tracker->xserver_serial)
    {
-      g_warning ("Spurious X event received affecting stack; doing full re-query");
+      /* g_warning ("Spurious X event received affecting stack; doing full re-query"); */
      resync_verified_stack_with_xserver_stack (tracker);
      meta_stack_tracker_dump (tracker);
      return;
--- a/src/core/stack-tracker.h
+++ b/src/core/stack-tracker.h
@@ -28,9 +28,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_STACK_TRACKER_H
--- a/src/core/stack.c
+++ b/src/core/stack.c
@@ -22,9 +22,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include <config.h>
--- a/src/core/stack.h
+++ b/src/core/stack.h
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_STACK_H
--- a/src/core/testboxes.c
+++ b/src/core/testboxes.c
@@ -16,9 +16,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #include "boxes-private.h"
--- a/src/core/util.c
+++ b/src/core/util.c
@@ -15,9 +15,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 /**
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -26,9 +26,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_WINDOW_PRIVATE_H
@@ -81,9 +79,7 @@ struct _MetaWindow
  const MetaMonitorInfo *monitor;
  MetaWorkspace *workspace;
  MetaWindowClientType client_type;
-#ifdef HAVE_WAYLAND
  MetaWaylandSurface *surface;
-#endif
  Window xwindow;
  /* may be NULL! not all windows get decorated */
  MetaFrame *frame;
@@ -242,7 +238,7 @@ struct _MetaWindow
  /* These are the flags from WM_PROTOCOLS */
  guint take_focus : 1;
  guint delete_window : 1;
-  guint net_wm_ping : 1;
+  guint can_ping : 1;
  /* Globally active / No input */
  guint input : 1;
  
@@ -412,12 +408,6 @@ struct _MetaWindow
   */
  MetaRectangle rect;

-  /* The size and position we want the window to be (i.e. what we last asked
-   * the client to configure).
-   * This is only used for wayland clients.
-   */
-  MetaRectangle expected_rect;
-
  gboolean has_custom_frame_extents;
  GtkBorder custom_frame_extents;

@@ -469,8 +459,6 @@ struct _MetaWindow

  /* Bypass compositor hints */
  guint bypass_compositor;
-
-  GSList *pending_pings;
 };

 struct _MetaWindowClass
@@ -508,16 +496,22 @@ struct _MetaWindowClass
 #define META_WINDOW_ALLOWS_HORIZONTAL_RESIZE(w) (META_WINDOW_ALLOWS_RESIZE_EXCEPT_HINTS (w) && (w)->size_hints.min_width < (w)->size_hints.max_width)
 #define META_WINDOW_ALLOWS_VERTICAL_RESIZE(w)   (META_WINDOW_ALLOWS_RESIZE_EXCEPT_HINTS (w) && (w)->size_hints.min_height < (w)->size_hints.max_height)

-MetaWindow* meta_window_new                (MetaDisplay *display,
-                                            Window       xwindow,
-                                            gboolean     must_be_viewable);
-MetaWindow* meta_window_new_with_attrs     (MetaDisplay       *display,
-                                            Window             xwindow,
-                                            gboolean           must_be_viewable,
-                                            MetaCompEffect     effect,
-                                            XWindowAttributes *attrs);
-MetaWindow *meta_window_new_for_wayland    (MetaDisplay        *display,
+MetaWindow * _meta_window_shared_new       (MetaDisplay         *display,
+                                            MetaScreen          *screen,
+                                            MetaWindowClientType client_type,
+                                            MetaWaylandSurface  *surface,
+                                            Window               xwindow,
+                                            gulong               existing_wm_state,
+                                            MetaCompEffect       effect,
+                                            XWindowAttributes   *attrs);
+
+MetaWindow * meta_window_x11_new           (MetaDisplay        *display,
+                                            Window              xwindow,
+                                            gboolean            must_be_viewable,
+                                            MetaCompEffect      effect);
+MetaWindow * meta_window_wayland_new       (MetaDisplay        *display,
                                            MetaWaylandSurface *surface);
+
 void        meta_window_unmanage           (MetaWindow  *window,
                                            guint32      timestamp);
 void        meta_window_calc_showing       (MetaWindow  *window);
@@ -621,12 +615,6 @@ void     meta_window_move_resize_wayland (MetaWindow *window,
                                          int         height,
                                          int         dx,
                                          int         dy);
-gboolean meta_window_configure_request (MetaWindow *window,
-                                        XEvent     *event);
-gboolean meta_window_property_notify   (MetaWindow *window,
-                                        XEvent     *event);
-gboolean meta_window_client_message    (MetaWindow *window,
-                                        XEvent     *event);
 void     meta_window_set_focused_internal (MetaWindow *window,
                                           gboolean    focused);

@@ -658,6 +646,7 @@ void meta_window_handle_mouse_grab_op_xevent (MetaWindow         *window,

 GList* meta_window_get_workspaces (MetaWindow *window);

+int meta_window_get_current_tile_monitor_number (MetaWindow *window);
 void meta_window_get_current_tile_area         (MetaWindow    *window,
                                                MetaRectangle *tile_area);

@@ -703,8 +692,6 @@ void meta_window_set_user_time (MetaWindow *window,

 void meta_window_update_icon_now (MetaWindow *window);

-void meta_window_update_role (MetaWindow *window);
-void meta_window_update_net_wm_type (MetaWindow *window);
 void meta_window_update_for_monitors_changed (MetaWindow *window);
 void meta_window_update_on_all_workspaces (MetaWindow *window);

@@ -718,10 +705,6 @@ void meta_window_compute_tile_match (MetaWindow *window);

 gboolean meta_window_updates_are_frozen (MetaWindow *window);

-void meta_window_update_opaque_region_x11 (MetaWindow *window);
-void meta_window_update_input_region_x11  (MetaWindow *window);
-void meta_window_update_shape_region_x11  (MetaWindow *window);
-
 void meta_window_set_title                (MetaWindow *window,
                                           const char *title);
 void meta_window_set_wm_class             (MetaWindow *window,
@@ -741,6 +724,9 @@ void meta_window_set_transient_for        (MetaWindow *window,
 void meta_window_set_opacity              (MetaWindow *window,
                                           guint       opacity);

+void meta_window_set_custom_frame_extents (MetaWindow *window,
+                                           GtkBorder  *extents);
+
 void meta_window_handle_enter (MetaWindow  *window,
                               guint32      timestamp,
                               guint        root_x,
@@ -749,17 +735,14 @@ void meta_window_handle_enter (MetaWindow  *window,
 void meta_window_set_surface_mapped (MetaWindow *window,
                                     gboolean    surface_mapped);

-typedef void (* MetaWindowPingFunc) (MetaWindow  *window,
-				     guint32      timestamp,
-				     gpointer     user_data);
-
-void meta_window_ping (MetaWindow         *window,
-                       guint32             timestamp,
-                       MetaWindowPingFunc  ping_reply_func,
-                       MetaWindowPingFunc  ping_timeout_func,
-                       void               *user_data);
-void meta_window_pong (MetaWindow *window,
-                       guint32     timestamp);
 Window meta_window_get_toplevel_xwindow (MetaWindow *window);

+void meta_window_get_client_area_rect (const MetaWindow      *window,
+                                       cairo_rectangle_int_t *rect);
+
+void meta_window_activate_full (MetaWindow     *window,
+                                guint32         timestamp,
+                                MetaClientType  source_indication,
+                                MetaWorkspace  *workspace);
+
 #endif
--- a/src/core/window-props.c
+++ b/src/core/window-props.c
@@ -31,9 +31,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #define _GNU_SOURCE
@@ -41,6 +39,7 @@

 #include <config.h>
 #include "window-props.h"
+#include "window-x11.h"
 #include <meta/errors.h>
 #include "xprops.h"
 #include "frame.h"
@@ -231,7 +230,7 @@ reload_net_wm_window_type (MetaWindow    *window,
                           MetaPropValue *value,
                           gboolean       initial)
 {
-  meta_window_update_net_wm_type (window);
+  meta_window_x11_update_net_wm_type (window);
 }

 static void
@@ -304,22 +303,18 @@ reload_gtk_frame_extents (MetaWindow    *window,
        }
      else
        {
-          GtkBorder *extents = &window->custom_frame_extents;
-
-          window->has_custom_frame_extents = TRUE;
-          extents->left   = (int)value->v.cardinal_list.cardinals[0];
-          extents->right  = (int)value->v.cardinal_list.cardinals[1];
-          extents->top    = (int)value->v.cardinal_list.cardinals[2];
-          extents->bottom = (int)value->v.cardinal_list.cardinals[3];
+          GtkBorder extents;
+          extents.left   = (int)value->v.cardinal_list.cardinals[0];
+          extents.right  = (int)value->v.cardinal_list.cardinals[1];
+          extents.top    = (int)value->v.cardinal_list.cardinals[2];
+          extents.bottom = (int)value->v.cardinal_list.cardinals[3];
+          meta_window_set_custom_frame_extents (window, &extents);
        }
    }
  else
    {
-      window->has_custom_frame_extents = FALSE;
+      meta_window_set_custom_frame_extents (window, NULL);
    }
-
-  if (!initial)
-    meta_window_queue(window, META_QUEUE_MOVE_RESIZE);
 }

 static void
@@ -335,7 +330,7 @@ reload_wm_window_role (MetaWindow    *window,
                       MetaPropValue *value,
                       gboolean       initial)
 {
-  meta_window_update_role (window);
+  meta_window_x11_update_role (window);
 }

 static void
@@ -560,7 +555,7 @@ reload_opaque_region (MetaWindow    *window,
                      MetaPropValue *value,
                      gboolean       initial)
 {
-  meta_window_update_opaque_region_x11 (window);
+  meta_window_x11_update_opaque_region (window);
 }

 static void
@@ -847,7 +842,7 @@ reload_mwm_hints (MetaWindow    *window,

  meta_window_recalc_features (window);
  
-  /* We do all this anyhow at the end of meta_window_new() */
+  /* We do all this anyhow at the end of meta_window_x11_new() */
  if (!window->constructing)
    {
      if (window->decorated)
@@ -1412,7 +1407,7 @@ reload_wm_protocols (MetaWindow    *window,
  
  window->take_focus = FALSE;
  window->delete_window = FALSE;
-  window->net_wm_ping = FALSE;
+  window->can_ping = FALSE;
  
  if (value->type == META_PROP_VALUE_INVALID)    
    return;
@@ -1428,7 +1423,7 @@ reload_wm_protocols (MetaWindow    *window,
        window->delete_window = TRUE;
      else if (value->v.atom_list.atoms[i] ==
               window->display->atom__NET_WM_PING)
-        window->net_wm_ping = TRUE;
+        window->can_ping = TRUE;
      ++i;
    }
  
@@ -1766,8 +1761,8 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
    { display->atom__NET_WM_ICON_GEOMETRY, META_PROP_VALUE_CARDINAL_LIST, reload_icon_geometry,     FALSE, FALSE },
    { display->atom_WM_CLIENT_LEADER,  META_PROP_VALUE_INVALID, complain_about_broken_client, FALSE, FALSE },
    { display->atom_SM_CLIENT_ID,      META_PROP_VALUE_INVALID, complain_about_broken_client, FALSE, FALSE },
-    { display->atom_WM_WINDOW_ROLE,    META_PROP_VALUE_INVALID, reload_wm_window_role,        FALSE, FALSE },
-    { display->atom__NET_WM_WINDOW_TYPE, META_PROP_VALUE_INVALID, reload_net_wm_window_type,  FALSE, TRUE },
+    { display->atom_WM_WINDOW_ROLE,    META_PROP_VALUE_INVALID, reload_wm_window_role,         TRUE, FALSE },
+    { display->atom__NET_WM_WINDOW_TYPE, META_PROP_VALUE_INVALID, reload_net_wm_window_type,  TRUE, TRUE },
    { display->atom__NET_WM_STRUT,         META_PROP_VALUE_INVALID, reload_struts,            FALSE, FALSE },
    { display->atom__NET_WM_STRUT_PARTIAL, META_PROP_VALUE_INVALID, reload_struts,            FALSE, FALSE },
    { display->atom__NET_WM_BYPASS_COMPOSITOR, META_PROP_VALUE_CARDINAL,  reload_bypass_compositor, FALSE, FALSE },
--- a/src/core/window-props.h
+++ b/src/core/window-props.h
@@ -25,9 +25,7 @@
 * 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

 #ifndef META_WINDOW_PROPS_H
--- a/src/core/window-x11.c
+++ b/src/core/window-x11.c
--- a/Show More
+++ b/Show More