gdk: Make background changes queue a repaint

For client-side windows, we need to queue a repaint when the background
changes. For native windows, the windowing system does take care of it,
but client-side windows are our own, so we gotta do it manually.

https://bugzilla.gnome.org/show_bug.cgi?id=652102

1 files changed, 14 insertions, 6 deletions

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index f05857041c..10d83ab066 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -8004,11 +8004,15 @@ gdk_window_set_background (GdkWindow      *window,
     }
 
   if (!GDK_WINDOW_DESTROYED (window) &&
-      gdk_window_has_impl (private) &&
       !private->input_only)
     {
-      impl_iface = GDK_WINDOW_IMPL_GET_IFACE (private->impl);
-      impl_iface->set_background (window, &private->bg_color);
+      if (gdk_window_has_impl (private))
+        {
+          impl_iface = GDK_WINDOW_IMPL_GET_IFACE (private->impl);
+          impl_iface->set_background (window, &private->bg_color);
+        }
+      else
+        gdk_window_invalidate_rect_full (window, NULL, TRUE, CLEAR_BG_ALL);
     }
 }
 
@@ -8077,11 +8081,15 @@ gdk_window_set_back_pixmap (GdkWindow *window,
     private->bg_pixmap = GDK_NO_BG;
 
   if (!GDK_WINDOW_DESTROYED (window) &&
-      gdk_window_has_impl (private) &&
       !private->input_only)
     {
-      impl_iface = GDK_WINDOW_IMPL_GET_IFACE (private->impl);
-      impl_iface->set_back_pixmap (window, private->bg_pixmap);
+      if (gdk_window_has_impl (private))
+        {
+          impl_iface = GDK_WINDOW_IMPL_GET_IFACE (private->impl);
+          impl_iface->set_back_pixmap (window, private->bg_pixmap);
+        }
+      else
+        gdk_window_invalidate_rect_full (window, NULL, TRUE, CLEAR_BG_ALL);
     }
 }