Avoid extending implicit paint size due to empty regions not working well with gdk_re...

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 041db2f36114ab05dd5a04ee2c5a6429ac137769..3212d700702bd80e58337a839349f8c651bed7eb 100644 (file)
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -1962,8 +1962,11 @@ gdk_window_begin_implicit_paint (GdkWindow *window, GdkRectangle *rect)
     {
       move = l->data;
 
-      gdk_region_get_clipbox (move->region, &clipbox);
-      gdk_rectangle_union (&r, &clipbox, &r);
+      if (!gdk_region_empty (move->region))
+       {
+         gdk_region_get_clipbox (move->region, &clipbox);
+         gdk_rectangle_union (&r, &clipbox, &r);
+       }
     }
   
   paint = g_new (GdkWindowPaint, 1);