[gtk+] Add a vfunc for gdk_window_set_composited

[Matthias Clasen <matthiasc src gnome org>]

commit 7f6ac56e3c34a986f9c0f993f392381741ffdf23
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Dec 10 12:54:43 2010 -0500

    Add a vfunc for gdk_window_set_composited

 gdk/gdkwindow.c         |   14 +++++++-------
 gdk/gdkwindowimpl.h     |    2 ++
 gdk/x11/gdkwindow-x11.c |    7 ++++---
 3 files changed, 13 insertions(+), 10 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 3938d30..32f6042 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -1780,13 +1780,11 @@ gdk_window_ensure_native (GdkWindow *window)
   reparent_to_impl (window);
 
   if (!window->input_only)
-    {
-      impl_class->set_background (window, window->background);
-    }
+    impl_class->set_background (window, window->background);
 
   impl_class->input_shape_combine_region (window,
-					  window->input_shape,
-					  0, 0);
+                                          window->input_shape,
+                                          0, 0);
 
   if (gdk_window_is_viewable (window))
     impl_class->show (window, FALSE);
@@ -7458,6 +7456,7 @@ gdk_window_set_composited (GdkWindow *window,
 			   gboolean   composited)
 {
   GdkDisplay *display;
+  GdkWindowImplClass *impl_class;
 
   g_return_if_fail (GDK_IS_WINDOW (window));
 
@@ -7474,11 +7473,12 @@ gdk_window_set_composited (GdkWindow *window,
   if (!gdk_display_supports_composite (display) && composited)
     {
       g_warning ("gdk_window_set_composited called but "
-		 "compositing is not supported");
+                 "compositing is not supported");
       return;
     }
 
-  _gdk_windowing_window_set_composited (window, composited);
+  impl_class = GDK_WINDOW_IMPL_GET_CLASS (window->impl);
+  impl_class->set_composited (window, composited);
 
   recompute_visible_regions (window, TRUE, FALSE);
 
diff --git a/gdk/gdkwindowimpl.h b/gdk/gdkwindowimpl.h
index 817e206..f3dbda1 100644
--- a/gdk/gdkwindowimpl.h
+++ b/gdk/gdkwindowimpl.h
@@ -236,6 +236,8 @@ struct _GdkWindowImplClass
   void         (* configure_finished)   (GdkWindow *window);
   void         (* set_opacity)          (GdkWindow *window,
 					 gdouble    opacity);
+  void         (* set_composited)       (GdkWindow *window,
+                                         gboolean   composited);
   void         (* destroy_notify)       (GdkWindow *window);
   void         (* register_dnd)         (GdkWindow *window);
   GdkDragContext * (*drag_begin)        (GdkWindow *window,
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index 426c12f..5c3b684 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -4831,9 +4831,9 @@ gdk_x11_window_set_opacity (GdkWindow *window,
 		     (guchar *) &cardinal, 1);
 }
 
-void
-_gdk_windowing_window_set_composited (GdkWindow *window,
-                                      gboolean   composited)
+static void
+gdk_x11_window_set_composited (GdkWindow *window,
+                               gboolean   composited)
 {
 #if defined(HAVE_XCOMPOSITE) && defined(HAVE_XDAMAGE) && defined (HAVE_XFIXES)
   GdkWindowImplX11 *impl;
@@ -5045,6 +5045,7 @@ gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass)
   impl_class->enable_synchronized_configure = gdk_x11_window_enable_synchronized_configure;
   impl_class->configure_finished = gdk_x11_window_configure_finished;
   impl_class->set_opacity = gdk_x11_window_set_opacity;
+  impl_class->set_composited = gdk_x11_window_set_composited;
   impl_class->destroy_notify = gdk_x11_window_destroy_notify;
   impl_class->register_dnd = _gdk_x11_window_register_dnd;
   impl_class->drag_begin = _gdk_x11_window_drag_begin;