Don't send expose events if region is empty

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 9aaaeec36f9ace7f2fb21c375323a253735360f2..755bc5b8875eb6189fb9225f0853eb17d8ea5705 100644 (file)
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -4389,7 +4389,8 @@ gdk_window_process_updates_recurse (GdkWindow *window,
       gdk_region_destroy (child_region);
     }
 
-  if (private->event_mask & GDK_EXPOSURE_MASK)
+  if (private->event_mask & GDK_EXPOSURE_MASK &&
+      !gdk_region_empty (expose_region))
     {
       GdkEvent event;