Bump version to 3.11.92

Update NEWS.

COPYING

@@ -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.

NEWS

@@ -1,3 +1,83 @@
+3.11.92
+=======
+* Fix identification of CSD windows [Owen; #723029]
+* Add minimal handling of touch events [Carlos; #723552]
+* Misc bug fixes and cleanups [Owen, Adel, Jasper; #723580, #726352]
+
+Contributors:
+  Adel Gadllah, Carlos Garnacho, Rui Matos, Jasper St. Pierre, Owen W. Taylor
+
+Translations:
+  Changwoo Ryu [ko], Rūdolfs Mazurs [lv], Wylmer Wang [zh_CN],
+  Chao-Hsiung Liao [zh_HK, zh_TW], Yuri Myasoedov [ru], Tiagosdot [pt],
+  Claude Paroz [fr], Duarte Loreto [pt], A S Alam [pa]
+
+3.11.91
+=======
+* Don't use keysym to match keybindings [Rui; #678001]
+* Fix message tray icons showing up blank (again) [Adel; #725180]
+* Improve keybinding lookups [Rui; #725588]
+* Fix dynamic updates of titlebar style properties [Owen; #725751]
+* Fix positioning of manually positioned windows [Owen; #724049]
+* Misc. bug fixes [Carlos, Giovanni, Florian, Jasper; #724969, #724402, #722266,
+  #725338]
+
+Contributors:
+  Giovanni Campagna, Adel Gadllah, Carlos Garnacho, Rui Matos, Florian Müllner,
+  Jasper St. Pierre
+
+Translations:
+  Aurimas Černius [lt], Milo Casagrande [it], Balázs Úr [hu],
+  Matej Urbančič [sl], Enrico Nicoletto [pt_BR], Yosef Or Boczko [he],
+  Piotr Drąg [pl], Fran Diéguez [gl]
+
+3.11.90
+=======
+* Use correct output property for backlight control [Robert; #723606]
+* 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; #722530, #724257,
+  #724258, #724364, #720631, #707851, #707897]
+
+Contributors:
+  Robert Ancell, Giovanni Campagna, Stefano Facchini, Adel Gadllah,
+  Ryan Lortie, Florian Müllner, Jasper St. Pierre, Rico Tzschichholz
+
+Translations:
+  Shankar Prasad [kn], Khaled Hosny [ar], Marek Černocký [cs],
+  Kjartan Maraas [nb], Daniel Korostil [uk]
+
+3.11.5
+======
+* Fix CSD titlebars being placed off-screen [Jasper; #719772]
+* 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, Jonas; #720631, #723468, #723563]
+
+Contributors:
+  Jonas Ådahl, Marek Ch, Adel Gadllah, Florian Müllner, Jasper St. Pierre
+
+Translations:
+  Rafael Ferreira [pt_BR], Enrico Nicoletto [pt_BR], Fran Diéguez [gl],
+  Chao-Hsiung Liao [zh_HK, zh_TW]
+
+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; #721517, #721674]
+
+Contributors:
+  Cosimo Cecchi, Daniel Drake, Debarshi Ray, Jasper St. Pierre,
+  Andika Triwidada, Owen W. Taylor
+
+Translations:
+  Rafael Ferreira [pt_BR], Dimitris Spingos [el], Daniel Mustieles [es],
+  Milo Casagrande [it], Yosef Or Boczko [he]
+
 3.11.3
 ======
 * xrandr: Use "hotplug_mode_update" property [Marc-André; #711216]

autogen.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Run this to generate all the initial makefiles, etc.
 
 srcdir=`dirname $0`

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], [92])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])
@@ -76,7 +76,7 @@ MUTTER_PC_MODULES="
    gsettings-desktop-schemas >= 3.7.3
    xcomposite >= 0.2 xfixes xrender xdamage xi >= 1.6.0
    $CLUTTER_PACKAGE >= 1.15.90
-   cogl-1.0 >= 1.15.6
+   cogl-1.0 >= 1.17.1
    upower-glib >= 0.99.0
    gnome-desktop-3.0
 "

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

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"/>
 

src/Makefile.am

@@ -65,6 +65,7 @@ libmutter_la_SOURCES =				\
 	compositor/meta-shadow-factory.c	\
 	compositor/meta-shadow-factory-private.h	\
 	compositor/meta-shaped-texture.c	\
+	compositor/meta-shaped-texture-private.h	\
 	compositor/meta-texture-rectangle.c	\
 	compositor/meta-texture-rectangle.h	\
 	compositor/meta-texture-tower.c		\
@@ -93,8 +94,6 @@ libmutter_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			\
@@ -141,6 +140,7 @@ libmutter_la_SOURCES =				\
 	core/stack-tracker.h			\
 	core/util.c				\
 	meta/util.h				\
+	core/util-private.h			\
 	core/window-props.c			\
 	core/window-props.h			\
 	core/window.c				\
@@ -161,10 +161,6 @@ libmutter_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				\

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"
@@ -95,8 +93,10 @@ meta_actor_vertices_are_untransformed (ClutterVertex *verts,
       v3x != v1x || v3y != v2y)
     return FALSE;
 
-  *x_origin = x;
-  *y_origin = y;
+  if (x_origin)
+    *x_origin = x;
+  if (y_origin)
+    *y_origin = y;
 
   return TRUE;
 }

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__

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>

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__

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;
 

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
@@ -84,6 +75,7 @@
 #include "meta-window-group.h"
 #include "window-private.h" /* to check window->hidden */
 #include "display-private.h" /* for meta_display_lookup_x_window() */
+#include "util-private.h"
 #include <X11/extensions/shape.h>
 #include <X11/extensions/Xcomposite.h>
 
@@ -279,14 +271,14 @@ meta_get_window_actors (MetaScreen *screen)
   return info->windows;
 }
 
-static void
-do_set_stage_input_region (MetaScreen   *screen,
-                           XserverRegion region)
+void
+meta_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));
+  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);
 
@@ -298,35 +290,6 @@ do_set_stage_input_region (MetaScreen   *screen,
   XFixesSetWindowShapeRegion (xdpy, info->output, ShapeInput, 0, 0, region);
 }
 
-void
-meta_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);
-
-  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);
-        }
-    } 
-}
-
 void
 meta_empty_stage_input_region (MetaScreen *screen)
 {
@@ -592,14 +555,6 @@ 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.
-   */
-  info->pending_input_region = XFixesCreateRegion (xdisplay, NULL, 0);
-
   info->screen = screen;
 
   meta_screen_set_compositor_data (screen, info);
@@ -673,14 +628,20 @@ 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;
-    }
+  info->output = get_output_window (screen);
+  XReparentWindow (xdisplay, xwin, info->output, 0, 0);
 
-  info->plugin_mgr = meta_plugin_manager_new (screen);
+  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.
+   * 
+   * Note: there doesn't seem to be any real chance of that
+   *  because the X server will destroy the overlay window
+   *  when the last client using it exits.
+   */
+  XFixesSetWindowShapeRegion (xdisplay, info->output, ShapeBounding, 0, 0, None);
 
   /* Map overlay window before redirecting windows offscreen so we catch their
    * contents until we show the stage.
@@ -688,6 +649,8 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
   XMapWindow (xdisplay, info->output);
 
   redirect_windows (compositor, screen);
+
+  info->plugin_mgr = meta_plugin_manager_new (screen);
 }
 
 void
@@ -745,6 +708,30 @@ 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)
@@ -776,13 +763,8 @@ meta_compositor_remove_window (MetaCompositor *compositor,
   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);
 }
@@ -1282,30 +1264,6 @@ 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,
@@ -1395,7 +1353,6 @@ pre_paint_windows (MetaCompScreen *info)
 {
   GList *l;
   MetaWindowActor *top_window;
-  MetaWindowActor *expected_unredirected_window = NULL;
 
   if (info->onscreen == NULL)
     {
@@ -1413,26 +1370,9 @@ pre_paint_windows (MetaCompScreen *info)
 
   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;
-    }
+    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);
@@ -1647,3 +1587,31 @@ 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);
+}

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
  */

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/>.
  */
 
 /**
@@ -37,6 +35,7 @@
 #include "mutter-enum-types.h"
 #include <meta/errors.h>
 #include <meta/meta-background.h>
+#include "util-private.h"
 #include "meta-background-actor-private.h"
 
 #define FRAGMENT_SHADER_DECLARATIONS                                           \

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>
@@ -71,11 +69,17 @@ meta_cullable_cull_out_children (MetaCullable   *cullable,
   clutter_actor_iter_init (&iter, actor);
   while (clutter_actor_iter_prev (&iter, &child))
     {
-      int x, y;
+      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
@@ -92,23 +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, &x, &y))
-        continue;
+      if (needs_culling)
+        {
+          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);
+        }
     }
 }
 

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>

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>

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_

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;
+}

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

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/>.
  */
 
 /**

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__

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/>.
  */
 
 /**

src/compositor/meta-shaped-texture-private.h

@@ -0,0 +1,39 @@
+/*
+ * shaped texture
+ *
+ * An actor to draw a texture clipped to a list of rectangles
+ *
+ * Authored By Neil Roberts  <neil@linux.intel.com>
+ *
+ * Copyright (C) 2008 Intel Corporation
+ *               2013 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef __META_SHAPED_TEXTURE_PRIVATE_H__
+#define __META_SHAPED_TEXTURE_PRIVATE_H__
+
+#include <meta/meta-shaped-texture.h>
+
+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

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/>.
  */
 
 /**
@@ -33,10 +31,13 @@
 #include "clutter-utils.h"
 #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>
-#include <cogl/cogl-texture-pixmap-x11.h>
 #include <gdk/gdk.h> /* for gdk_rectangle_intersect() */
+#include "meta-cullable.h"
 
 static void meta_shaped_texture_dispose  (GObject    *object);
 
@@ -56,8 +57,10 @@ static void meta_shaped_texture_get_preferred_height (ClutterActor *self,
 
 static gboolean meta_shaped_texture_get_paint_volume (ClutterActor *self, ClutterPaintVolume *volume);
 
-G_DEFINE_TYPE (MetaShapedTexture, meta_shaped_texture,
-               CLUTTER_TYPE_ACTOR);
+static void cullable_iface_init (MetaCullableInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (MetaShapedTexture, meta_shaped_texture, CLUTTER_TYPE_ACTOR,
+                         G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE, cullable_iface_init));
 
 #define META_SHAPED_TEXTURE_GET_PRIVATE(obj) \
   (G_TYPE_INSTANCE_GET_PRIVATE ((obj), META_TYPE_SHAPED_TEXTURE, \
@@ -66,14 +69,19 @@ G_DEFINE_TYPE (MetaShapedTexture, meta_shaped_texture,
 struct _MetaShapedTexturePrivate
 {
   MetaTextureTower *paint_tower;
-  Pixmap pixmap;
-  CoglTexturePixmapX11 *texture;
+
+  CoglTexture *texture;
   CoglTexture *mask_texture;
 
-  cairo_region_t *clip_region;
-  cairo_region_t *opaque_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;
@@ -104,11 +112,38 @@ meta_shaped_texture_init (MetaShapedTexture *self)
   priv = self->priv = META_SHAPED_TEXTURE_GET_PRIVATE (self);
 
   priv->paint_tower = meta_texture_tower_new ();
+
   priv->texture = NULL;
   priv->mask_texture = NULL;
   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)
+{
+  MetaShapedTexturePrivate *priv = self->priv;
+
+  g_clear_pointer (&priv->clip_region, (GDestroyNotify) cairo_region_destroy);
+  if (clip_region)
+    priv->clip_region = cairo_region_copy (clip_region);
+}
+
 static void
 meta_shaped_texture_dispose (GObject *object)
 {
@@ -123,7 +158,8 @@ meta_shaped_texture_dispose (GObject *object)
   g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
 
   meta_shaped_texture_set_mask_texture (self, NULL);
-  meta_shaped_texture_set_clip_region (self, NULL);
+  set_unobscured_region (self, NULL);
+  set_clip_region (self, NULL);
 
   G_OBJECT_CLASS (meta_shaped_texture_parent_class)->dispose (object);
 }
@@ -194,10 +230,8 @@ paint_clipped_rectangle (CoglFramebuffer       *fb,
   cogl_framebuffer_draw_multitextured_rectangle (fb, pipeline,
                                                  x1, y1, x2, y2,
                                                  &coords[0], 8);
-
 }
 
-
 static void
 meta_shaped_texture_paint (ClutterActor *actor)
 {
@@ -254,15 +288,8 @@ meta_shaped_texture_paint (ClutterActor *actor)
 
   filter = COGL_PIPELINE_FILTER_LINEAR;
 
-  if (!clutter_actor_is_in_clone_paint (actor))
-    {
-      int x_origin, y_origin;
-
-      if (meta_actor_is_untransformed (actor,
-                                       &x_origin,
-                                       &y_origin))
-        filter = COGL_PIPELINE_FILTER_NEAREST;
-    }
+  if (!clutter_actor_is_in_clone_paint (actor) && meta_actor_is_untransformed (actor, NULL, NULL))
+    filter = COGL_PIPELINE_FILTER_NEAREST;
 
   ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
   fb = cogl_get_draw_framebuffer ();
@@ -492,18 +519,37 @@ 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;
 
-ClutterActor *
-meta_shaped_texture_new (void)
-{
-  ClutterActor *self = g_object_new (META_TYPE_SHAPED_TEXTURE, NULL);
+  if (!clutter_paint_volume_set_from_allocation (volume, actor))
+    return FALSE;
 
-  return self;
+  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
@@ -522,8 +568,7 @@ meta_shaped_texture_set_create_mipmaps (MetaShapedTexture *stex,
     {
       CoglTexture *base_texture;
       priv->create_mipmaps = create_mipmaps;
-      base_texture = create_mipmaps ?
-        COGL_TEXTURE (priv->texture) : NULL;
+      base_texture = create_mipmaps ? priv->texture : NULL;
       meta_texture_tower_set_base_texture (priv->paint_tower, base_texture);
     }
 }
@@ -549,6 +594,49 @@ meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex,
   clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
 }
 
+static cairo_region_t *
+effective_unobscured_region (MetaShapedTexture *self)
+{
+  MetaShapedTexturePrivate *priv = self->priv;
+  ClutterActor *parent = clutter_actor_get_parent (CLUTTER_ACTOR (self));
+
+  if (clutter_actor_has_mapped_clones (CLUTTER_ACTOR (self)))
+    return NULL;
+
+  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;
+}
+
+gboolean
+meta_shaped_texture_is_obscured (MetaShapedTexture *self)
+{
+  cairo_region_t *unobscured_region = effective_unobscured_region (self);
+
+  if (unobscured_region)
+    return cairo_region_is_empty (unobscured_region);
+  else
+    return FALSE;
+}
 
 /**
  * meta_shaped_texture_update_area:
@@ -557,14 +645,9 @@ meta_shaped_texture_set_mask_texture (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 @visibible_region and
- * the damage area. If @visibible_region is %NULL a redraw will always
- * get queued.
+ * and potentially queues a redraw.
  *
  * Return value: Whether a redraw have been queued or not
  */
@@ -573,10 +656,10 @@ 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_region_t *unobscured_region;
   const cairo_rectangle_int_t clip = { x, y, width, height };
 
   priv = stex->priv;
@@ -584,11 +667,9 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,
   if (priv->texture == NULL)
     return FALSE;
 
-  cogl_texture_pixmap_x11_update_area (priv->texture,
-                                       x, y, width, height);
-
   meta_texture_tower_update_area (priv->paint_tower, x, y, width, height);
 
+  unobscured_region = effective_unobscured_region (stex);
   if (unobscured_region)
     {
       cairo_region_t *intersection;
@@ -605,23 +686,22 @@ 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;
     }
-
-  clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stex), &clip);
-
-  return TRUE;
+  else
+    {
+      clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stex), &clip);
+      return TRUE;
+    }
 }
 
 static void
-set_cogl_texture (MetaShapedTexture    *stex,
-                  CoglTexturePixmapX11 *cogl_tex)
+set_cogl_texture (MetaShapedTexture *stex,
+                  CoglTexture       *cogl_tex)
 {
   MetaShapedTexturePrivate *priv;
   guint width, height;
@@ -651,47 +731,33 @@ set_cogl_texture (MetaShapedTexture    *stex,
     }
   else
     {
-      /* size changed to 0 going to an inavlid texture */
+      /* size changed to 0 going to an invalid texture */
       priv->tex_width = 0;
       priv->tex_height = 0;
       clutter_actor_queue_relayout (CLUTTER_ACTOR (stex));
     }
 
-  clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
+  /* NB: We don't queue a redraw of the actor here because we don't
+   * know how much of the buffer has changed with respect to the
+   * previous buffer. We only queue a redraw in response to surface
+   * damage. */
+
+  if (priv->create_mipmaps)
+    meta_texture_tower_set_base_texture (priv->paint_tower, cogl_tex);
 }
 
 /**
- * meta_shaped_texture_set_pixmap:
+ * meta_shaped_texture_set_texture:
  * @stex: The #MetaShapedTexture
- * @pixmap: The pixmap you want the stex to assume
+ * @pixmap: The #CoglTexture to display
  */
 void
-meta_shaped_texture_set_pixmap (MetaShapedTexture *stex,
-                                Pixmap             pixmap)
+meta_shaped_texture_set_texture (MetaShapedTexture *stex,
+                                 CoglTexture       *texture)
 {
-  MetaShapedTexturePrivate *priv;
-
   g_return_if_fail (META_IS_SHAPED_TEXTURE (stex));
 
-  priv = stex->priv;
-
-  if (priv->pixmap == pixmap)
-    return;
-
-  priv->pixmap = pixmap;
-
-  if (pixmap != None)
-    {
-      CoglContext *ctx =
-        clutter_backend_get_cogl_context (clutter_get_default_backend ());
-      set_cogl_texture (stex, cogl_texture_pixmap_x11_new (ctx, pixmap, FALSE, NULL));
-    }
-  else
-    set_cogl_texture (stex, NULL);
-
-  if (priv->create_mipmaps)
-    meta_texture_tower_set_base_texture (priv->paint_tower,
-                                         COGL_TEXTURE (priv->texture));
+  set_cogl_texture (stex, texture);
 }
 
 /**
@@ -742,39 +808,6 @@ meta_shaped_texture_set_input_shape_region (MetaShapedTexture *stex,
   clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
 }
 
-/**
- * meta_shaped_texture_set_clip_region:
- * @stex: a #MetaShapedTexture
- * @clip_region: the region of the texture that is visible and
- *   should be painted.
- *
- * Provides a hint to the texture about what areas of the texture
- * are not completely obscured and thus need to be painted. This
- * is an optimization and is not supposed to have any effect on
- * the output.
- *
- * Typically a parent container will set the clip region before
- * painting its children, and then unset it afterwards.
- */
-void
-meta_shaped_texture_set_clip_region (MetaShapedTexture *stex,
-				     cairo_region_t    *clip_region)
-{
-  MetaShapedTexturePrivate *priv;
-
-  g_return_if_fail (META_IS_SHAPED_TEXTURE (stex));
-
-  priv = stex->priv;
-
-  if (priv->clip_region)
-    cairo_region_destroy (priv->clip_region);
-
-  if (clip_region)
-    priv->clip_region = cairo_region_copy (clip_region);
-  else
-    priv->clip_region = NULL;
-}
-
 /**
  * meta_shaped_texture_set_opaque_region:
  * @stex: a #MetaShapedTexture
@@ -902,3 +935,46 @@ meta_shaped_texture_get_image (MetaShapedTexture     *stex,
 
   return surface;
 }
+
+static void
+meta_shaped_texture_cull_out (MetaCullable   *cullable,
+                              cairo_region_t *unobscured_region,
+                              cairo_region_t *clip_region)
+{
+  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)
+        {
+          if (unobscured_region)
+            cairo_region_subtract (unobscured_region, priv->opaque_region);
+          if (clip_region)
+            cairo_region_subtract (clip_region, priv->opaque_region);
+        }
+    }
+}
+
+static void
+meta_shaped_texture_reset_culling (MetaCullable *cullable)
+{
+  MetaShapedTexture *self = META_SHAPED_TEXTURE (cullable);
+  set_clip_region (self, NULL);
+}
+
+static void
+cullable_iface_init (MetaCullableInterface *iface)
+{
+  iface->cull_out = meta_shaped_texture_cull_out;
+  iface->reset_culling = meta_shaped_texture_reset_culling;
+}
+
+ClutterActor *
+meta_shaped_texture_new (void)
+{
+  return g_object_new (META_TYPE_SHAPED_TEXTURE, NULL);
+}

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,

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);
 

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>
@@ -361,18 +359,10 @@ 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
     {

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__

src/compositor/meta-window-actor-private.h

@@ -35,13 +35,13 @@ 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);
@@ -55,9 +55,6 @@ 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);
 

src/compositor/meta-window-actor.c

@@ -27,6 +27,7 @@
 #include "xprops.h"
 
 #include "compositor-private.h"
+#include "meta-shaped-texture-private.h"
 #include "meta-shadow-factory-private.h"
 #include "meta-window-actor-private.h"
 #include "meta-texture-rectangle.h"
@@ -34,15 +35,6 @@
 #include "monitor-private.h"
 #include "meta-cullable.h"
 
-enum {
-  POSITION_CHANGED,
-  SIZE_CHANGED,
-  LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL] = {0};
-
-
 struct _MetaWindowActorPrivate
 {
   MetaWindow       *window;
@@ -70,17 +62,9 @@ struct _MetaWindowActorPrivate
 
   /* A region that matches the shape of the window, including frame bounds */
   cairo_region_t   *shape_region;
-  /* If the window has an input shape, a region that matches the shape */
-  cairo_region_t   *input_region;
-  /* The opaque region, from _NET_WM_OPAQUE_REGION, intersected with
-   * the shape region. */
-  cairo_region_t   *opaque_region;
   /* The region we should clip to when painting the shadow */
   cairo_region_t   *shadow_clip;
 
-  /* The region that is visible, used to optimize out redraws */
-  cairo_region_t   *unobscured_region;
-
   guint              send_frame_messages_timer;
   gint64             frame_drawn_time;
 
@@ -109,7 +93,6 @@ struct _MetaWindowActorPrivate
   GList            *frames;
 
   guint		    visible                : 1;
-  guint		    mapped                 : 1;
   guint		    argb32                 : 1;
   guint		    disposed               : 1;
   guint             redecorating           : 1;
@@ -245,19 +228,6 @@ meta_window_actor_class_init (MetaWindowActorClass *klass)
   g_object_class_install_property (object_class,
                                    PROP_SHADOW_CLASS,
                                    pspec);
-
-  signals[POSITION_CHANGED] =
-    g_signal_new ("position-changed",
-                  G_TYPE_FROM_CLASS (klass),
-                  G_SIGNAL_RUN_LAST,
-                  0, NULL, NULL, NULL,
-                  G_TYPE_NONE, 0);
-  signals[SIZE_CHANGED] =
-    g_signal_new ("size-changed",
-                  G_TYPE_FROM_CLASS (klass),
-                  G_SIGNAL_RUN_LAST,
-                  0, NULL, NULL, NULL,
-                  G_TYPE_NONE, 0);
 }
 
 static void
@@ -366,8 +336,8 @@ meta_window_actor_constructed (GObject *object)
 
   meta_window_actor_update_opacity (self);
 
-  /* Start off with an empty region to maintain the invariant that
-     the shape region is always set */
+  /* Start off with an empty shape region to maintain the invariant
+   * that it's always set */
   priv->shape_region = cairo_region_create ();
 }
 
@@ -399,10 +369,7 @@ meta_window_actor_dispose (GObject *object)
       priv->send_frame_messages_timer = 0;
     }
 
-  g_clear_pointer (&priv->unobscured_region, cairo_region_destroy);
   g_clear_pointer (&priv->shape_region, cairo_region_destroy);
-  g_clear_pointer (&priv->input_region, cairo_region_destroy);
-  g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
   g_clear_pointer (&priv->shadow_clip, cairo_region_destroy);
 
   g_clear_pointer (&priv->shadow_class, g_free);
@@ -669,7 +636,7 @@ meta_window_actor_get_paint_volume (ClutterActor       *actor,
 {
   MetaWindowActor *self = META_WINDOW_ACTOR (actor);
   MetaWindowActorPrivate *priv = self->priv;
-  cairo_rectangle_int_t bounds;
+  cairo_rectangle_int_t unobscured_bounds, bounds;
   gboolean appears_focused = meta_window_appears_focused (priv->window);
   ClutterVertex origin;
 
@@ -679,6 +646,9 @@ meta_window_actor_get_paint_volume (ClutterActor       *actor,
 
   meta_window_actor_get_shape_bounds (self, &bounds);
 
+  if (meta_shaped_texture_get_unobscured_bounds (META_SHAPED_TEXTURE (priv->actor), &unobscured_bounds))
+    gdk_rectangle_intersect (&bounds, &unobscured_bounds, &bounds);
+
   if (appears_focused ? priv->focused_shadow : priv->unfocused_shadow)
     {
       cairo_rectangle_int_t shadow_bounds;
@@ -694,13 +664,6 @@ meta_window_actor_get_paint_volume (ClutterActor       *actor,
       gdk_rectangle_union (&bounds, &shadow_bounds, &bounds);
     }
 
-  if (priv->unobscured_region)
-    {
-      cairo_rectangle_int_t unobscured_bounds;
-      cairo_region_get_extents (priv->unobscured_region, &unobscured_bounds);
-      gdk_rectangle_intersect (&bounds, &unobscured_bounds, &bounds);
-    }
-
   origin.x = bounds.x;
   origin.y = bounds.y;
   origin.z = 0.0f;
@@ -724,7 +687,7 @@ meta_window_actor_has_shadow (MetaWindowActor *self)
   /* Leaving out shadows for maximized and fullscreen windows is an effeciency
    * win and also prevents the unsightly effect of the shadow of maximized
    * window appearing on an adjacent window */
-  if ((meta_window_get_maximized (priv->window) == (META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL)) ||
+  if ((meta_window_get_maximized (priv->window) == META_MAXIMIZE_BOTH) ||
       meta_window_is_fullscreen (priv->window))
     return FALSE;
 
@@ -819,59 +782,6 @@ meta_window_actor_is_destroyed (MetaWindowActor *self)
   return self->priv->disposed;
 }
 
-gboolean
-meta_window_actor_is_override_redirect (MetaWindowActor *self)
-{
-  return meta_window_is_override_redirect (self->priv->window);
-}
-
-/**
- * meta_window_actor_get_workspace:
- * @self: #MetaWindowActor
- *
- * Returns the index of workspace on which this window is located; if the
- * window is sticky, or is not currently located on any workspace, returns -1.
- * This function is deprecated  and should not be used in newly written code;
- * meta_window_get_workspace() instead.
- *
- * Return value: (transfer none): index of workspace on which this window is
- * located.
- */
-gint
-meta_window_actor_get_workspace (MetaWindowActor *self)
-{
-  MetaWindowActorPrivate *priv;
-  MetaWorkspace          *workspace;
-
-  if (!self)
-    return -1;
-
-  priv = self->priv;
-
-  if (!priv->window || meta_window_is_on_all_workspaces (priv->window))
-    return -1;
-
-  workspace = meta_window_get_workspace (priv->window);
-
-  if (!workspace)
-    return -1;
-
-  return meta_workspace_index (workspace);
-}
-
-gboolean
-meta_window_actor_showing_on_its_workspace (MetaWindowActor *self)
-{
-  if (!self)
-    return FALSE;
-
-  /* If override redirect: */
-  if (!self->priv->window)
-    return TRUE;
-
-  return meta_window_showing_on_its_workspace (self->priv->window);
-}
-
 static void
 meta_window_actor_freeze (MetaWindowActor *self)
 {
@@ -932,6 +842,19 @@ queue_send_frame_messages_timeout (MetaWindowActor *self)
   priv->send_frame_messages_timer = g_timeout_add_full (META_PRIORITY_REDRAW, offset, send_frame_messages_timeout, self, NULL);
 }
 
+static void
+update_area (MetaWindowActor *self,
+             int x, int y, int width, int height)
+{
+  MetaWindowActorPrivate *priv = self->priv;
+  CoglTexture *texture;
+
+  texture = meta_shaped_texture_get_texture (META_SHAPED_TEXTURE (priv->actor));
+
+  cogl_texture_pixmap_x11_update_area (COGL_TEXTURE_PIXMAP_X11 (texture),
+                                       x, y, width, height);
+}
+
 static void
 meta_window_actor_damage_all (MetaWindowActor *self)
 {
@@ -944,18 +867,15 @@ meta_window_actor_damage_all (MetaWindowActor *self)
 
   texture = meta_shaped_texture_get_texture (META_SHAPED_TEXTURE (priv->actor));
 
-  if (!priv->mapped || priv->needs_pixmap)
+  if (priv->needs_pixmap)
     return;
 
+  update_area (self, 0, 0, cogl_texture_get_width (texture), cogl_texture_get_height (texture));
   redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
                                                    0, 0,
                                                    cogl_texture_get_width (texture),
-                                                   cogl_texture_get_height (texture),
-                                                   clutter_actor_has_mapped_clones (priv->actor) ?
-                                                   NULL : priv->unobscured_region);
-
-  priv->repaint_scheduled = priv->repaint_scheduled  || redraw_queued;
-
+                                                   cogl_texture_get_height (texture));
+  priv->repaint_scheduled = priv->repaint_scheduled || redraw_queued;
   priv->needs_damage_all = FALSE;
 }
 
@@ -1009,17 +929,7 @@ meta_window_actor_queue_frame_drawn (MetaWindowActor *self,
 
   if (!priv->repaint_scheduled)
     {
-      gboolean is_obscured = FALSE;
-
-      /* Find out whether the window is completly obscured */
-      if (priv->unobscured_region)
-        {
-          cairo_region_t *unobscured_window_region;
-          unobscured_window_region = cairo_region_copy (priv->shape_region);
-          cairo_region_intersect (unobscured_window_region, priv->unobscured_region);
-          is_obscured = cairo_region_is_empty (unobscured_window_region);
-          cairo_region_destroy (unobscured_window_region);
-        }
+      gboolean is_obscured = meta_shaped_texture_is_obscured (META_SHAPED_TEXTURE (priv->actor));
 
       /* A frame was marked by the client without actually doing any
        * damage or any unobscured, or while we had the window frozen
@@ -1033,7 +943,7 @@ meta_window_actor_queue_frame_drawn (MetaWindowActor *self,
         {
           queue_send_frame_messages_timeout (self);
         }
-      else if (priv->mapped && !priv->needs_pixmap)
+      else
         {
           const cairo_rectangle_int_t clip = { 0, 0, 1, 1 };
           clutter_actor_queue_redraw_with_clip (priv->actor, &clip);
@@ -1065,9 +975,6 @@ meta_window_actor_queue_create_pixmap (MetaWindowActor *self)
 
   priv->needs_pixmap = TRUE;
 
-  if (!priv->mapped)
-    return;
-
   if (is_frozen (self))
     return;
 
@@ -1163,9 +1070,6 @@ meta_window_actor_after_effects (MetaWindowActor *self)
   meta_window_actor_sync_visibility (self);
   meta_window_actor_sync_actor_geometry (self, FALSE);
 
-  if (!meta_window_is_mapped (priv->window))
-    meta_window_actor_detach (self);
-
   if (priv->needs_pixmap)
     clutter_actor_queue_redraw (priv->actor);
 }
@@ -1262,8 +1166,7 @@ meta_window_actor_detach (MetaWindowActor *self)
    * 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_pixmap (META_SHAPED_TEXTURE (priv->actor),
-                                  None);
+  meta_shaped_texture_set_texture (META_SHAPED_TEXTURE (priv->actor), NULL);
   cogl_flush();
 
   XFreePixmap (xdisplay, priv->back_pixmap);
@@ -1306,7 +1209,8 @@ meta_window_actor_should_unredirect (MetaWindowActor *self)
 }
 
 void
-meta_window_actor_set_redirected (MetaWindowActor *self, gboolean state)
+meta_window_actor_set_unredirected (MetaWindowActor *self,
+                                    gboolean         unredirected)
 {
   MetaWindow *metaWindow = meta_window_actor_get_meta_window (self);
   MetaDisplay *display = meta_window_get_display (metaWindow);
@@ -1314,21 +1218,20 @@ meta_window_actor_set_redirected (MetaWindowActor *self, gboolean state)
   Display *xdisplay = meta_display_get_xdisplay (display);
   Window  xwin = meta_window_get_toplevel_xwindow (metaWindow);
 
-  if (state)
+  meta_error_trap_push (display);
+
+  if (unredirected)
     {
-      meta_error_trap_push (display);
-      XCompositeRedirectWindow (xdisplay, xwin, CompositeRedirectManual);
-      meta_error_trap_pop (display);
-      meta_window_actor_detach (self);
-      self->priv->unredirected = FALSE;
+      XCompositeUnredirectWindow (xdisplay, xwin, CompositeRedirectManual);
     }
   else
     {
-      meta_error_trap_push (display);
-      XCompositeUnredirectWindow (xdisplay, xwin, CompositeRedirectManual);
-      meta_error_trap_pop (display);
-      self->priv->unredirected = TRUE;
+      XCompositeRedirectWindow (xdisplay, xwin, CompositeRedirectManual);
+      meta_window_actor_detach (self);
     }
+
+  self->priv->unredirected = unredirected;
+  meta_error_trap_pop (display);
 }
 
 void
@@ -1345,6 +1248,12 @@ meta_window_actor_destroy (MetaWindowActor *self)
   window_type = meta_window_get_window_type (window);
   meta_window_set_compositor_private (window, NULL);
 
+  if (priv->send_frame_messages_timer != 0)
+    {
+      g_source_remove (priv->send_frame_messages_timer);
+      priv->send_frame_messages_timer = 0;
+    }
+
   /*
    * We remove the window from internal lookup hashes and thus any other
    * unmap events etc fail
@@ -1413,8 +1322,6 @@ meta_window_actor_sync_actor_geometry (MetaWindowActor *self,
                               window_rect.x, window_rect.y);
   clutter_actor_set_size (CLUTTER_ACTOR (self),
                           window_rect.width, window_rect.height);
-
-  g_signal_emit (self, signals[POSITION_CHANGED], 0);
 }
 
 void
@@ -1577,9 +1484,7 @@ meta_window_actor_new (MetaWindow *window)
   priv->last_width = -1;
   priv->last_height = -1;
 
-  priv->mapped = meta_window_toplevel_is_mapped (priv->window);
-  if (priv->mapped)
-    meta_window_actor_queue_create_pixmap (self);
+  meta_window_actor_queue_create_pixmap (self);
 
   meta_window_actor_set_updates_frozen (self,
                                         meta_window_updates_are_frozen (priv->window));
@@ -1614,56 +1519,6 @@ meta_window_actor_new (MetaWindow *window)
   return self;
 }
 
-void
-meta_window_actor_mapped (MetaWindowActor *self)
-{
-  MetaWindowActorPrivate *priv = self->priv;
-
-  g_return_if_fail (!priv->mapped);
-
-  priv->mapped = TRUE;
-
-  meta_window_actor_queue_create_pixmap (self);
-}
-
-void
-meta_window_actor_unmapped (MetaWindowActor *self)
-{
-  MetaWindowActorPrivate *priv = self->priv;
-
-  g_return_if_fail (priv->mapped);
-
-  priv->mapped = FALSE;
-
-  if (meta_window_actor_effect_in_progress (self))
-    return;
-
-  meta_window_actor_detach (self);
-  priv->needs_pixmap = FALSE;
-}
-
-/**
- * meta_window_actor_get_obscured_region:
- * @self: a #MetaWindowActor
- *
- * Gets the region that is completely obscured by the window. Coordinates
- * are relative to the upper-left of the window.
- *
- * Return value: (transfer none): the area obscured by the window,
- *  %NULL is the same as an empty region.
- */
-static cairo_region_t *
-meta_window_actor_get_obscured_region (MetaWindowActor *self)
-{
-  MetaWindowActorPrivate *priv = self->priv;
-  MetaWindow *window = priv->window;
-
-  if (priv->back_pixmap && window->opacity != 0xFF && !priv->window->shaded)
-    return priv->opaque_region;
-  else
-    return NULL;
-}
-
 #if 0
 /* Print out a region; useful for debugging */
 static void
@@ -1705,53 +1560,6 @@ see_region (cairo_region_t *region,
 }
 #endif
 
-/**
- * meta_window_actor_set_unobscured_region:
- * @self: a #MetaWindowActor
- * @unobscured_region: the region of the screen that isn't completely
- *  obscured.
- *
- * Provides a hint as to what areas of the window need to queue
- * redraws when damaged. Regions not in @unobscured_region are completely obscured.
- * Unlike meta_window_actor_set_clip_region(), the region here
- * doesn't take into account any clipping that is in effect while drawing.
- */
-void
-meta_window_actor_set_unobscured_region (MetaWindowActor *self,
-                                         cairo_region_t  *unobscured_region)
-{
-  MetaWindowActorPrivate *priv = self->priv;
-
-  if (priv->unobscured_region)
-    cairo_region_destroy (priv->unobscured_region);
-
-  if (unobscured_region)
-    priv->unobscured_region = cairo_region_copy (unobscured_region);
-  else
-    priv->unobscured_region = NULL;
-}
-
-/**
- * meta_window_actor_set_clip_region:
- * @self: a #MetaWindowActor
- * @clip_region: the region of the screen that isn't completely
- *  obscured.
- *
- * Provides a hint as to what areas of the window need to be
- * drawn. Regions not in @clip_region are completely obscured or
- * not drawn in this frame.
- * This will be set before painting then unset afterwards.
- */
-static void
-meta_window_actor_set_clip_region (MetaWindowActor *self,
-                                   cairo_region_t  *clip_region)
-{
-  MetaWindowActorPrivate *priv = self->priv;
-
-  meta_shaped_texture_set_clip_region (META_SHAPED_TEXTURE (priv->actor),
-                                       clip_region);
-}
-
 /**
  * meta_window_actor_set_clip_region_beneath:
  * @self: a #MetaWindowActor
@@ -1774,13 +1582,19 @@ meta_window_actor_set_clip_region_beneath (MetaWindowActor *self,
   if (appears_focused ? priv->focused_shadow : priv->unfocused_shadow)
     {
       g_clear_pointer (&priv->shadow_clip, cairo_region_destroy);
-      priv->shadow_clip = cairo_region_copy (beneath_region);
 
-      if (clip_shadow_under_window (self))
+      if (beneath_region)
         {
-          cairo_region_t *frame_bounds = meta_window_get_frame_bounds (priv->window);
-          cairo_region_subtract (priv->shadow_clip, frame_bounds);
+          priv->shadow_clip = cairo_region_copy (beneath_region);
+
+          if (clip_shadow_under_window (self))
+            {
+              cairo_region_t *frame_bounds = meta_window_get_frame_bounds (priv->window);
+              cairo_region_subtract (priv->shadow_clip, frame_bounds);
+            }
         }
+      else
+        priv->shadow_clip = NULL;
     }
 }
 
@@ -1790,25 +1604,13 @@ meta_window_actor_cull_out (MetaCullable   *cullable,
                             cairo_region_t *clip_region)
 {
   MetaWindowActor *self = META_WINDOW_ACTOR (cullable);
-  MetaCompScreen *info = meta_screen_get_compositor_data (self->priv->screen);
+  MetaWindowActorPrivate *priv = self->priv;
 
   /* Don't do any culling for the unredirected window */
-  if (self == info->unredirected_window)
+  if (priv->unredirected)
     return;
 
-  meta_window_actor_set_unobscured_region (self, unobscured_region);
-  meta_window_actor_set_clip_region (self, clip_region);
-
-  if (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self)) == 0xff)
-    {
-      cairo_region_t *obscured_region = meta_window_actor_get_obscured_region (self);
-      if (obscured_region)
-        {
-          cairo_region_subtract (unobscured_region, obscured_region);
-          cairo_region_subtract (clip_region, obscured_region);
-        }
-    }
-
+  meta_cullable_cull_out_children (cullable, unobscured_region, clip_region);
   meta_window_actor_set_clip_region_beneath (self, clip_region);
 }
 
@@ -1818,9 +1620,8 @@ meta_window_actor_reset_culling (MetaCullable *cullable)
   MetaWindowActor *self = META_WINDOW_ACTOR (cullable);
   MetaWindowActorPrivate *priv = self->priv;
 
-  meta_shaped_texture_set_clip_region (META_SHAPED_TEXTURE (priv->actor),
-                                       NULL);
   g_clear_pointer (&priv->shadow_clip, cairo_region_destroy);
+  meta_cullable_reset_culling_children (cullable);
 }
 
 static void
@@ -1844,9 +1645,6 @@ check_needs_pixmap (MetaWindowActor *self)
   if (!priv->needs_pixmap)
     return;
 
-  if (!priv->mapped)
-    return;
-
   if (xwindow == meta_screen_get_xroot (screen) ||
       xwindow == clutter_x11_get_stage_window (CLUTTER_STAGE (info->stage)))
     return;
@@ -1863,6 +1661,7 @@ check_needs_pixmap (MetaWindowActor *self)
 
   if (priv->back_pixmap == None)
     {
+      CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
       CoglTexture *texture;
 
       meta_error_trap_push (display);
@@ -1891,29 +1690,11 @@ check_needs_pixmap (MetaWindowActor *self)
         meta_shaped_texture_set_create_mipmaps (META_SHAPED_TEXTURE (priv->actor),
                                                 FALSE);
 
-      meta_shaped_texture_set_pixmap (META_SHAPED_TEXTURE (priv->actor),
-                                      priv->back_pixmap);
-
-      texture = meta_shaped_texture_get_texture (META_SHAPED_TEXTURE (priv->actor));
-
-      /*
-       * This only works *after* actually setting the pixmap, so we have to
-       * do it here.
-       * See: http://bugzilla.clutter-project.org/show_bug.cgi?id=2236
-       */
+      texture = COGL_TEXTURE (cogl_texture_pixmap_x11_new (ctx, priv->back_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");
 
-      /* ::size-changed is supposed to refer to meta_window_get_frame_rect().
-       * Emitting it here works pretty much OK because a new value of the
-       * *input* rect (which is the outer rect with the addition of invisible
-       * borders) forces a new pixmap and we get here. In the rare case where
-       * a change to the window size was exactly balanced by a change to the
-       * invisible borders, we would miss emitting the signal. We would also
-       * emit spurious signals when we get a new pixmap without a new size,
-       * but that should be mostly harmless.
-       */
-      g_signal_emit (self, signals[SIZE_CHANGED], 0);
+      meta_shaped_texture_set_texture (META_SHAPED_TEXTURE (priv->actor), texture);
     }
 
   priv->needs_pixmap = FALSE;
@@ -1932,9 +1713,6 @@ check_needs_shadow (MetaWindowActor *self)
   gboolean should_have_shadow;
   gboolean appears_focused;
 
-  if (!priv->mapped)
-    return;
-
   /* Calling meta_window_actor_has_shadow() here at every pre-paint is cheap
    * and avoids the need to explicitly handle window type changes, which
    * we would do if tried to keep track of when we might be adding or removing
@@ -2038,19 +1816,16 @@ meta_window_actor_process_damage (MetaWindowActor    *self,
       return;
     }
 
-  if (!priv->mapped || priv->needs_pixmap)
+  if (priv->needs_pixmap)
     return;
 
+  update_area (self, event->area.x, event->area.y, event->area.width, event->area.height);
   redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
                                                    event->area.x,
                                                    event->area.y,
                                                    event->area.width,
-                                                   event->area.height,
-                                                   clutter_actor_has_mapped_clones (priv->actor) ?
-                                                   NULL : priv->unobscured_region);
-
-  priv->repaint_scheduled = priv->repaint_scheduled  || redraw_queued;
-
+                                                   event->area.height);
+  priv->repaint_scheduled = priv->repaint_scheduled || redraw_queued;
 }
 
 void
@@ -2165,12 +1940,18 @@ build_and_scan_frame_mask (MetaWindowActor       *self,
 
   if (meta_texture_rectangle_check (paint_tex))
     {
-      mask_texture = meta_texture_rectangle_new (tex_width, tex_height,
-                                                 COGL_PIXEL_FORMAT_A_8,
-                                                 COGL_PIXEL_FORMAT_A_8,
-                                                 stride,
-                                                 mask_data,
-                                                 NULL /* error */);
+      ClutterBackend *backend = clutter_get_default_backend ();
+      CoglContext *context = clutter_backend_get_cogl_context (backend);
+
+      mask_texture = COGL_TEXTURE (cogl_texture_rectangle_new_with_size (context, tex_width, tex_height));
+      cogl_texture_set_components (mask_texture, COGL_TEXTURE_COMPONENTS_A);
+      cogl_texture_set_region (mask_texture,
+                               0, 0, /* src_x/y */
+                               0, 0, /* dst_x/y */
+                               tex_width, tex_height, /* dst_width/height */
+                               tex_width, tex_height, /* width/height */
+                               COGL_PIXEL_FORMAT_A_8,
+                               stride, mask_data);
     }
   else
     {
@@ -2187,22 +1968,25 @@ build_and_scan_frame_mask (MetaWindowActor       *self,
 
   meta_shaped_texture_set_mask_texture (META_SHAPED_TEXTURE (priv->actor),
                                         mask_texture);
-  cogl_object_unref (mask_texture);
+  if (mask_texture)
+    cogl_object_unref (mask_texture);
 
   g_free (mask_data);
 }
 
 static void
-meta_window_actor_update_shape_region (MetaWindowActor       *self,
-                                       cairo_rectangle_int_t *client_area)
+meta_window_actor_update_shape_region (MetaWindowActor *self)
 {
   MetaWindowActorPrivate *priv = self->priv;
   cairo_region_t *region = NULL;
+  cairo_rectangle_int_t client_area;
+
+  meta_window_get_client_area_rect (priv->window, &client_area);
 
   if (priv->window->frame != NULL && priv->window->shape_region != NULL)
     {
       region = cairo_region_copy (priv->window->shape_region);
-      cairo_region_translate (region, client_area->x, client_area->y);
+      cairo_region_translate (region, client_area.x, client_area.y);
     }
   else if (priv->window->shape_region != NULL)
     {
@@ -2213,12 +1997,12 @@ meta_window_actor_update_shape_region (MetaWindowActor       *self,
       /* If we don't have a shape on the server, that means that
        * we have an implicit shape of one rectangle covering the
        * entire window. */
-      region = cairo_region_create_rectangle (client_area);
+      region = cairo_region_create_rectangle (&client_area);
     }
 
   meta_shaped_texture_set_mask_texture (META_SHAPED_TEXTURE (priv->actor), NULL);
   if ((priv->window->shape_region != NULL) || (priv->window->frame != NULL))
-    build_and_scan_frame_mask (self, client_area, region);
+    build_and_scan_frame_mask (self, &client_area, region);
 
   g_clear_pointer (&priv->shape_region, cairo_region_destroy);
   priv->shape_region = region;
@@ -2229,35 +2013,44 @@ meta_window_actor_update_shape_region (MetaWindowActor       *self,
 }
 
 static void
-meta_window_actor_update_input_region (MetaWindowActor       *self,
-                                       cairo_rectangle_int_t *client_area)
+meta_window_actor_update_input_region (MetaWindowActor *self)
 {
   MetaWindowActorPrivate *priv = self->priv;
   MetaShapedTexture *stex = META_SHAPED_TEXTURE (priv->actor);
   cairo_region_t *region = NULL;
+  cairo_rectangle_int_t client_area;
 
-  if (priv->window->frame != NULL && priv->window->input_region != NULL)
+  meta_window_get_client_area_rect (priv->window, &client_area);
+
+  if (priv->window->frame != NULL)
     {
       region = meta_frame_get_frame_bounds (priv->window->frame);
 
-      cairo_region_subtract_rectangle (region, client_area);
-
-      /* input_region is in client window coordinates, so translate the
+      /* client area is in client window coordinates, so translate the
        * input region into that coordinate system and back */
-      cairo_region_translate (region, -client_area->x, -client_area->y);
-      cairo_region_union (region, priv->window->input_region);
-      cairo_region_translate (region, client_area->x, client_area->y);
+      cairo_region_translate (region, -client_area.x, -client_area.y);
+      cairo_region_union_rectangle (region, &client_area);
+      cairo_region_translate (region, client_area.x, client_area.y);
     }
-  else if (priv->window->input_region != NULL)
+  else if (priv->window->shape_region != NULL ||
+           priv->window->input_region != NULL)
     {
-      region = cairo_region_reference (priv->window->input_region);
+      if (priv->window->shape_region != NULL)
+        {
+          region = cairo_region_copy (priv->window->shape_region);
+
+          if (priv->window->input_region != NULL)
+            cairo_region_intersect (region, priv->window->input_region);
+        }
+      else
+        region = cairo_region_reference (priv->window->input_region);
     }
   else
     {
       /* If we don't have a shape on the server, that means that
        * we have an implicit shape of one rectangle covering the
        * entire window. */
-      region = cairo_region_create_rectangle (client_area);
+      region = cairo_region_create_rectangle (&client_area);
     }
 
   meta_shaped_texture_set_input_shape_region (stex, region);
@@ -2268,14 +2061,13 @@ static void
 meta_window_actor_update_opaque_region (MetaWindowActor *self)
 {
   MetaWindowActorPrivate *priv = self->priv;
-
-  g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
+  cairo_region_t *opaque_region;
 
   if (priv->argb32 && priv->window->opaque_region != NULL)
     {
-      MetaFrameBorders borders;
+      cairo_rectangle_int_t client_area;
 
-      meta_frame_calc_borders (priv->window->frame, &borders);
+      meta_window_get_client_area_rect (priv->window, &client_area);
 
       /* The opaque region is defined to be a part of the
        * window which ARGB32 will always paint with opaque
@@ -2287,44 +2079,29 @@ meta_window_actor_update_opaque_region (MetaWindowActor *self)
        * to be undefined, and considered a client bug. In mutter's
        * case, graphical glitches will occur.
        */
-      priv->opaque_region = cairo_region_copy (priv->window->opaque_region);
-      cairo_region_translate (priv->opaque_region, borders.total.left, borders.total.top);
-      cairo_region_intersect (priv->opaque_region, priv->shape_region);
+      opaque_region = cairo_region_copy (priv->window->opaque_region);
+      cairo_region_translate (opaque_region, client_area.x, client_area.y);
+      cairo_region_intersect (opaque_region, priv->shape_region);
     }
   else if (priv->argb32)
-    priv->opaque_region = NULL;
+    opaque_region = NULL;
   else
-    priv->opaque_region = cairo_region_reference (priv->shape_region);
+    opaque_region = cairo_region_reference (priv->shape_region);
 
-  meta_shaped_texture_set_opaque_region (META_SHAPED_TEXTURE (priv->actor),
-                                         priv->opaque_region);
+  meta_shaped_texture_set_opaque_region (META_SHAPED_TEXTURE (priv->actor), opaque_region);
+  cairo_region_destroy (opaque_region);
 }
 
 static void
 check_needs_reshape (MetaWindowActor *self)
 {
   MetaWindowActorPrivate *priv = self->priv;
-  MetaFrameBorders borders;
-  cairo_rectangle_int_t client_area;
-
-  if (!priv->mapped)
-    return;
 
   if (!priv->needs_reshape)
     return;
 
-  meta_frame_calc_borders (priv->window->frame, &borders);
-
-  client_area.x = borders.total.left;
-  client_area.y = borders.total.top;
-  client_area.width = priv->window->rect.width;
-  if (priv->window->shaded)
-    client_area.height = 0;
-  else
-    client_area.height = priv->window->rect.height;
-
-  meta_window_actor_update_shape_region (self, &client_area);
-  meta_window_actor_update_input_region (self, &client_area);
+  meta_window_actor_update_shape_region (self);
+  meta_window_actor_update_input_region (self);
   meta_window_actor_update_opaque_region (self);
 
   priv->needs_reshape = FALSE;

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;
@@ -126,18 +124,6 @@ meta_window_group_paint (ClutterActor *actor)
   ClutterActor *stage = clutter_actor_get_stage (actor);
   MetaCompScreen *info = meta_screen_get_compositor_data (window_group->screen);
 
-  /* 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
@@ -182,9 +168,8 @@ meta_window_group_paint (ClutterActor *actor)
   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);
+      meta_window_get_frame_rect (info->unredirected_window, (MetaRectangle *)&unredirected_rect);
       cairo_region_subtract_rectangle (unobscured_region, &unredirected_rect);
       cairo_region_subtract_rectangle (clip_region, &unredirected_rect);
     }

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>
 

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__

src/compositor/plugins/default.c

@@ -16,20 +16,17 @@
  * 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>
+
 #include <meta/meta-plugin.h>
 #include <meta/window.h>
-#include <meta/util.h>
 #include <meta/meta-background-group.h>
 #include <meta/meta-background-actor.h>
-
-#include <libintl.h>
-#define _(x) dgettext (GETTEXT_PACKAGE, x)
-#define N_(x) x
+#include <meta/util.h>
+#include <glib/gi18n-lib.h>
 
 #include <clutter/clutter.h>
 #include <gmodule.h>
@@ -42,6 +39,7 @@
 #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))
@@ -70,6 +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,
@@ -100,6 +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);
@@ -146,6 +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)
 {
@@ -206,6 +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;
@@ -292,26 +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);
 
@@ -334,14 +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
@@ -358,10 +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
@@ -410,9 +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)
         {
@@ -705,15 +709,15 @@ 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);
@@ -785,6 +789,82 @@ 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)
 {

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"

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__

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

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/>.
  */
 
 /*
@@ -53,6 +51,7 @@
 #include "bell.h"
 #include "screen-private.h"
 #include "window-private.h"
+#include "util-private.h"
 #include <meta/prefs.h>
 #include <meta/compositor.h>
 #ifdef HAVE_LIBCANBERRA

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>

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

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"

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>
@@ -428,7 +426,7 @@ setup_constraint_info (ConstraintInfo      *info,
    */
   if (meta_prefs_get_force_fullscreen() &&
       !window->hide_titlebar_when_maximized &&
-      window->decorated &&
+      (window->decorated || !meta_window_is_client_decorated (window)) &&
       meta_rectangle_equal (new, &monitor_info->rect) &&
       window->has_fullscreen_func &&
       !window->fullscreen)
@@ -493,12 +491,17 @@ place_window_if_needed(MetaWindow     *window,
       !window->minimized &&
       !window->fullscreen)
     {
+      MetaRectangle orig_rect;
       MetaRectangle placed_rect;
       MetaWorkspace *cur_workspace;
       const MetaMonitorInfo *monitor_info;
 
       meta_window_get_frame_rect (window, &placed_rect);
-      meta_window_place (window, info->orig.x, info->orig.y,
+
+      orig_rect = info->orig;
+      extend_by_frame (window, &orig_rect);
+
+      meta_window_place (window, orig_rect.x, orig_rect.y,
                          &placed_rect.x, &placed_rect.y);
       did_placement = TRUE;
 
@@ -1355,7 +1358,6 @@ constrain_titlebar_visible (MetaWindow         *window,
       window->type == META_WINDOW_DOCK    ||
       window->fullscreen                  ||
       !window->require_titlebar_visible   ||
-      !window->decorated                  ||
       unconstrained_user_action)
     return TRUE;
 

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

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>
@@ -29,6 +27,7 @@
 #include "workspace-private.h"
 #include <meta/prefs.h>
 #include <meta/errors.h>
+#include "util-private.h"
 
 /* Looks up the MetaWindow representing the frame of the given X window.
  * Used as a helper function by a bunch of the functions below.
@@ -323,8 +322,7 @@ meta_core_maximize (Display *xdisplay,
   if (meta_prefs_get_raise_on_click ())
     meta_window_raise (window);
 
-  meta_window_maximize (window, 
-                        META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+  meta_window_maximize (window, META_MAXIMIZE_BOTH);
 }
 
 void
@@ -337,11 +335,9 @@ meta_core_toggle_maximize_vertically (Display *xdisplay,
     meta_window_raise (window);
 
   if (META_WINDOW_MAXIMIZED_VERTICALLY (window))
-    meta_window_unmaximize (window, 
-                            META_MAXIMIZE_VERTICAL);
+    meta_window_unmaximize (window, META_MAXIMIZE_VERTICAL);
   else
-    meta_window_maximize (window,
-    			    META_MAXIMIZE_VERTICAL);
+    meta_window_maximize (window, META_MAXIMIZE_VERTICAL);
 }
 
 void
@@ -354,11 +350,9 @@ meta_core_toggle_maximize_horizontally (Display *xdisplay,
     meta_window_raise (window);
 
   if (META_WINDOW_MAXIMIZED_HORIZONTALLY (window))
-    meta_window_unmaximize (window, 
-                            META_MAXIMIZE_HORIZONTAL);
+    meta_window_unmaximize (window, META_MAXIMIZE_HORIZONTAL);
   else
-    meta_window_maximize (window,
-    			    META_MAXIMIZE_HORIZONTAL);
+    meta_window_maximize (window, META_MAXIMIZE_HORIZONTAL);
 }
 
 void
@@ -371,11 +365,9 @@ meta_core_toggle_maximize (Display *xdisplay,
     meta_window_raise (window);
 
   if (META_WINDOW_MAXIMIZED (window))
-    meta_window_unmaximize (window, 
-                            META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+    meta_window_unmaximize (window, META_MAXIMIZE_BOTH);
   else
-    meta_window_maximize (window,
-                          META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+    meta_window_maximize (window, META_MAXIMIZE_BOTH);
 }
 
 void
@@ -387,8 +379,7 @@ meta_core_unmaximize (Display *xdisplay,
   if (meta_prefs_get_raise_on_click ())
     meta_window_raise (window);
 
-  meta_window_unmaximize (window,
-                          META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+  meta_window_unmaximize (window, META_MAXIMIZE_BOTH);
 }
 
 void

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

src/core/delete.c

@@ -17,15 +17,13 @@
  * 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() */
 
 #include <config.h>
-#include <meta/util.h>
+#include "util-private.h"
 #include "window-private.h"
 #include <meta/errors.h>
 #include <meta/workspace.h>

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
@@ -232,8 +230,8 @@ 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;

src/core/display.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/>.
  */
 
 /**
@@ -34,7 +32,7 @@
 
 #include <config.h>
 #include "display-private.h"
-#include <meta/util.h>
+#include "util-private.h"
 #include <meta/main.h>
 #include "screen-private.h"
 #include "window-private.h"
@@ -74,14 +72,6 @@
 #include <string.h>
 #include <unistd.h>
 
-#define GRAB_OP_IS_WINDOW_SWITCH(g)                     \
-        (g == META_GRAB_OP_KEYBOARD_TABBING_NORMAL  ||  \
-         g == META_GRAB_OP_KEYBOARD_TABBING_DOCK    ||  \
-         g == META_GRAB_OP_KEYBOARD_TABBING_GROUP   ||  \
-         g == META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL ||  \
-         g == META_GRAB_OP_KEYBOARD_ESCAPING_DOCK   ||  \
-         g == META_GRAB_OP_KEYBOARD_ESCAPING_GROUP)
-
 /*
  * SECTION:pings
  *
@@ -1368,13 +1358,6 @@ grab_op_is_keyboard (MetaGrabOp op)
     case META_GRAB_OP_KEYBOARD_RESIZING_NE:
     case META_GRAB_OP_KEYBOARD_RESIZING_SW:
     case META_GRAB_OP_KEYBOARD_RESIZING_NW:
-    case META_GRAB_OP_KEYBOARD_TABBING_NORMAL:
-    case META_GRAB_OP_KEYBOARD_TABBING_DOCK:
-    case META_GRAB_OP_KEYBOARD_TABBING_GROUP:
-    case META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL:
-    case META_GRAB_OP_KEYBOARD_ESCAPING_DOCK:
-    case META_GRAB_OP_KEYBOARD_ESCAPING_GROUP:
-    case META_GRAB_OP_KEYBOARD_WORKSPACE_SWITCHING:
     case META_GRAB_OP_COMPOSITOR:
       return TRUE;
 
@@ -1832,6 +1815,9 @@ get_input_event (MetaDisplay *display,
 
       switch (input_event->evtype)
         {
+        case XI_TouchBegin:
+        case XI_TouchUpdate:
+        case XI_TouchEnd:
         case XI_Motion:
         case XI_ButtonPress:
         case XI_ButtonRelease:
@@ -2310,6 +2296,7 @@ event_callback (XEvent   *event,
     {
       XIDeviceEvent *device_event = (XIDeviceEvent *) input_event;
       XIEnterEvent *enter_event = (XIEnterEvent *) input_event;
+      gint button = 0;
 
       if (window && !window->override_redirect &&
           ((input_event->evtype == XI_KeyPress) || (input_event->evtype == XI_ButtonPress)))
@@ -2345,20 +2332,33 @@ event_callback (XEvent   *event,
           if (meta_display_process_key_event (display, window, (XIDeviceEvent *) input_event))
             filter_out_event = bypass_compositor = TRUE;
           break;
+        case XI_TouchBegin:
+          /* Filter out non-pointer-emulating touches */
+          if ((((XIDeviceEvent *) input_event)->flags & XITouchEmulatingPointer) == 0)
+            break;
+
+          /* Fall through */
         case XI_ButtonPress:
           if (display->grab_op == META_GRAB_OP_COMPOSITOR)
             break;
 
           display->overlay_key_only_pressed = FALSE;
 
-          if (device_event->detail == 4 || device_event->detail == 5)
-            /* Scrollwheel event, do nothing and deliver event to compositor below */
-            break;
+          if (input_event->evtype == XI_ButtonPress)
+            {
+              if (device_event->detail == 4 || device_event->detail == 5)
+                /* Scrollwheel event, do nothing and deliver event to compositor below */
+                break;
+              else
+                button = device_event->detail;
+            }
+          else if (input_event->evtype == XI_TouchBegin)
+            button = 1;
 
           if ((window &&
                meta_grab_op_is_mouse (display->grab_op) &&
                (device_event->mods.effective & display->window_grab_modifiers) &&
-               display->grab_button != device_event->detail &&
+               display->grab_button != button &&
                display->grab_window == window) ||
               grab_op_is_keyboard (display->grab_op))
             {
@@ -2368,18 +2368,6 @@ event_callback (XEvent   *event,
                           (display->grab_window ?
                            display->grab_window->desc : 
                            "none"));
-              if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op))
-                {
-                  MetaScreen *screen;
-                  meta_topic (META_DEBUG_WINDOW_OPS, 
-                              "Syncing to old stack positions.\n");
-                  screen = 
-                    meta_display_screen_for_root (display, device_event->event);
-
-                  if (screen!=NULL)
-                    meta_stack_set_positions (screen->stack,
-                                              display->grab_old_window_stacking);
-                }
               meta_display_end_grab_op (display,
                                         device_event->time);
             }
@@ -2400,8 +2388,7 @@ event_callback (XEvent   *event,
                */
               unmodified = (device_event->mods.effective & grab_mask) == 0;
           
-              if (unmodified ||
-                  device_event->detail == 1)
+              if (unmodified || button == 1)
                 {
                   /* don't focus if frame received, will be lowered in
                    * frames.c or special-cased if the click was on a
@@ -2422,7 +2409,7 @@ event_callback (XEvent   *event,
                         {
                           meta_topic (META_DEBUG_FOCUS,
                                       "Focusing %s due to unmodified button %u press (display.c)\n",
-                                      window->desc, device_event->detail);
+                                      window->desc, button);
                           meta_window_focus (window, device_event->time);
                         }
                       else
@@ -2438,7 +2425,7 @@ event_callback (XEvent   *event,
                   if (!unmodified)
                     begin_move = TRUE;
                 }
-              else if (!unmodified && device_event->detail == meta_prefs_get_mouse_button_resize())
+              else if (!unmodified && button == meta_prefs_get_mouse_button_resize())
                 {
                   if (window->has_resize_func)
                     {
@@ -2480,21 +2467,21 @@ event_callback (XEvent   *event,
                                                     op,
                                                     TRUE,
                                                     FALSE,
-                                                    device_event->detail,
+                                                    button,
                                                     0,
                                                     device_event->time,
                                                     device_event->root_x,
                                                     device_event->root_y);
                     }
                 }
-              else if (device_event->detail == meta_prefs_get_mouse_button_menu())
+              else if (button == meta_prefs_get_mouse_button_menu())
                 {
                   if (meta_prefs_get_raise_on_click ())
                     meta_window_raise (window);
                   meta_window_show_menu (window,
                                          device_event->root_x,
                                          device_event->root_y,
-                                         device_event->detail,
+                                         button,
                                          device_event->time);
                 }
 
@@ -2519,7 +2506,7 @@ event_callback (XEvent   *event,
                                               META_GRAB_OP_MOVING,
                                               TRUE,
                                               FALSE,
-                                              device_event->detail,
+                                              button,
                                               0,
                                               device_event->time,
                                               device_event->root_x,
@@ -2669,6 +2656,18 @@ event_callback (XEvent   *event,
             filter_out_event = bypass_compositor = TRUE;
           break;
 #endif /* HAVE_XI23 */
+        case XI_TouchUpdate:
+        case XI_TouchEnd:
+          /* Filter out non-pointer-emulating touches */
+          if ((((XIDeviceEvent *) input_event)->flags & XITouchEmulatingPointer) == 0)
+            break;
+
+          /* Currently unhandled, if any grab_op is started through XI_TouchBegin,
+           * the XIGrabDevice() evmask drops touch events, so only emulated
+           * XI_Motions and XI_ButtonRelease will follow.
+           */
+          g_assert_not_reached ();
+          break;
         }
     }
   else
@@ -2748,7 +2747,7 @@ event_callback (XEvent   *event,
 
               if (display->grab_op != META_GRAB_OP_NONE &&
                   display->grab_window == window &&
-                  ((window->frame == NULL) || !window->frame->mapped))
+                  window->frame == NULL)
                 meta_display_end_grab_op (display, timestamp);
       
               if (!frame_was_receiver)
@@ -3144,6 +3143,9 @@ event_get_modified_window (MetaDisplay *display,
         case XI_ButtonRelease:
         case XI_KeyPress:
         case XI_KeyRelease:
+        case XI_TouchBegin:
+        case XI_TouchUpdate:
+        case XI_TouchEnd:
           return ((XIDeviceEvent *) input_event)->event;
         case XI_FocusIn:
         case XI_FocusOut:
@@ -3430,6 +3432,15 @@ meta_spew_xi2_event (MetaDisplay *display,
     case XI_Leave:
       name = "XI_Leave";
       break;
+    case XI_TouchBegin:
+      name = "XI_TouchBegin";
+      break;
+    case XI_TouchUpdate:
+      name = "XI_TouchUpdate";
+      break;
+    case XI_TouchEnd:
+      name = "XI_TouchEnd";
+      break;
 #ifdef HAVE_XI23
     case XI_BarrierHit:
       name = "XI_BarrierHit";
@@ -3487,6 +3498,18 @@ meta_spew_xi2_event (MetaDisplay *display,
                                enter_event->root_x,
                                enter_event->root_y);
       break;
+    case XI_TouchBegin:
+    case XI_TouchUpdate:
+    case XI_TouchEnd:
+      extra = g_strdup_printf ("win: 0x%lx root: 0x%lx touch sequence: %d x: %g y: %g state: 0x%x flags: 0x%x",
+                               device_event->event,
+                               device_event->root,
+                               device_event->detail,
+                               device_event->root_x,
+                               device_event->root_y,
+                               device_event->mods.effective,
+                               device_event->flags);
+      break;
     }
 
   *name_p = name;
@@ -4126,16 +4149,6 @@ meta_display_begin_grab_op (MetaDisplay *display,
   g_assert (display->grab_window != NULL || display->grab_screen != NULL);
   g_assert (display->grab_op != META_GRAB_OP_NONE);
 
-  /* Save the old stacking */
-  if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op))
-    {
-      meta_topic (META_DEBUG_WINDOW_OPS,
-                  "Saving old stack positions; old pointer was %p.\n",
-                  display->grab_old_window_stacking);
-      display->grab_old_window_stacking = 
-        meta_stack_get_positions (screen->stack);
-    }
-
   if (display->grab_window)
     {
       meta_window_refresh_resize_popup (display->grab_window);
@@ -4177,20 +4190,6 @@ meta_display_end_grab_op (MetaDisplay *display,
       if (!display->grab_threshold_movement_reached)
         meta_window_raise (display->grab_window);
     }
-
-  if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op) ||
-      display->grab_op == META_GRAB_OP_KEYBOARD_WORKSPACE_SWITCHING)
-    {
-      if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op))
-        meta_screen_tab_popup_destroy (display->grab_screen);
-      else
-        meta_screen_workspace_popup_destroy (display->grab_screen);
-
-      /* If the ungrab here causes an EnterNotify, ignore it for
-       * sloppy focus
-       */
-      display->ungrab_should_not_cause_focus_window = display->grab_xwindow;
-    }
   
   /* If this was a move or resize clear out the edge cache */
   if (meta_grab_op_is_resizing (display->grab_op) || 

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>

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

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/>.
  */
 
 /**

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>
@@ -63,7 +61,6 @@ 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;
   
@@ -155,6 +152,8 @@ meta_window_ensure_frame (MetaWindow *window)
 
   /* Move keybindings to frame instead of window */
   meta_window_grab_keys (window);
+
+  meta_ui_map_frame (frame->window->screen->ui, frame->xwindow);
 }
 
 void

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;

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

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>

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

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/>.
  */
 
 /**

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>

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

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);
@@ -79,6 +117,9 @@ 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
 

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/>.
  */
 
 /**
@@ -44,11 +42,11 @@
  */
 
 #define _GNU_SOURCE
-#define _SVID_SOURCE /* for putenv() and some signal-related functions */
+#define _XOPEN_SOURCE /* for putenv() and some signal-related functions */
 
 #include <config.h>
 #include <meta/main.h>
-#include <meta/util.h>
+#include "util-private.h"
 #include "display-private.h"
 #include <meta/errors.h>
 #include "ui.h"
@@ -287,8 +285,12 @@ 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;
 }
@@ -382,6 +384,7 @@ meta_init (void)
   struct sigaction act;
   sigset_t empty_mask;
   GIOChannel *channel;
+  ClutterSettings *clutter_settings;
   
   sigemptyset (&empty_mask);
   act.sa_handler = SIG_IGN;
@@ -445,6 +448,13 @@ meta_init (void)
    * Clutter can only be initialized after the UI.
    */
   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);
 }
 
 /**

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>
  */

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>
  */
@@ -36,6 +34,7 @@
 #include <clutter/clutter.h>
 
 #include <gdk/gdk.h>
+#include <gdk/gdkx.h>
 
 #include <X11/cursorfont.h>
 #include <X11/extensions/Xfixes.h>
@@ -309,7 +308,6 @@ 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);
@@ -389,7 +387,7 @@ meta_cursor_tracker_get_pointer (MetaCursorTracker   *tracker,
   GdkScreen *gscreen;
 
   gmanager = gdk_display_get_device_manager (gdk_display_get_default ());
-  gdevice = gdk_device_manager_get_client_pointer (gmanager);
+  gdevice = gdk_x11_device_manager_lookup (gmanager, META_VIRTUAL_CORE_POINTER_ID);
 
   gdk_device_get_position (gdevice, &gscreen, x, y);
   gdk_device_get_state (gdevice,

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

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
@@ -501,7 +499,7 @@ make_watch (MetaIdleMonitor           *monitor,
       if (meta_idle_monitor_get_idletime (monitor) > (gint64)timeout_msec)
         watch->idle_source_id = g_idle_add (fire_watch_idle, watch);
     }
-  else
+  else if (monitor->user_active_alarm != None)
     {
       watch->xalarm = monitor->user_active_alarm;
 
@@ -607,8 +605,10 @@ 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);
 }
 
 /**

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)

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/>.
  */
 
 /*

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

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"
@@ -187,7 +185,7 @@ output_get_backlight_xrandr (MetaMonitorManagerXrandr *manager_xrandr,
 
   XRRGetOutputProperty (manager_xrandr->xdisplay,
                         (XID)output->output_id,
-                        display->atom_BACKLIGHT,
+                        display->atom_Backlight,
                         0, G_MAXLONG, False, False, XA_INTEGER,
                         &actual_type, &actual_format,
                         &nitems, &bytes_after, &buffer);
@@ -212,7 +210,7 @@ output_get_backlight_limits_xrandr (MetaMonitorManagerXrandr *manager_xrandr,
   meta_error_trap_push (display);
   info = XRRQueryOutputProperty (manager_xrandr->xdisplay,
                                  (XID)output->output_id,
-                                 display->atom_BACKLIGHT);
+                                 display->atom_Backlight);
   meta_error_trap_pop (display);
 
   if (info == NULL)
@@ -950,7 +948,7 @@ meta_monitor_manager_xrandr_change_backlight (MetaMonitorManager *manager,
   meta_error_trap_push (display);
   XRRChangeOutputProperty (manager_xrandr->xdisplay,
                            (XID)output->output_id,
-                           display->atom_BACKLIGHT,
+                           display->atom_Backlight,
                            XA_INTEGER, 32, PropModeReplace,
                            (unsigned char *) &hw_value, 1);
   meta_error_trap_pop (display);

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"
@@ -33,7 +31,7 @@
 #include <clutter/clutter.h>
 
 #include <meta/main.h>
-#include <meta/util.h>
+#include "util-private.h"
 #include <meta/errors.h>
 #include "monitor-private.h"
 
@@ -406,7 +404,7 @@ 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))
             {

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"
@@ -25,6 +23,7 @@
 
 #include <meta/main.h>
 #include <meta/util.h>
+#include <glib/gi18n-lib.h>
 #include "meta-plugin-manager.h"
 
 #include <glib.h>

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>

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