win32: dnd should not be registerd for offscreen windows

https://bugzilla.gnome.org/show_bug.cgi?id=616544

diff --git a/gdk/win32/gdkdnd-win32.c b/gdk/win32/gdkdnd-win32.c
index 0d335ada9a1a606f1b2ba068c3bb9642a889179e..6156566934fae0626bbb0913b3b6b0a52fd04510 100644 (file)
--- a/gdk/win32/gdkdnd-win32.c
+++ b/gdk/win32/gdkdnd-win32.c
@@ -2368,6 +2368,9 @@ _gdk_win32_window_register_dnd (GdkWindow *window)
 
   g_return_if_fail (window != NULL);
 
+  if (gdk_window_get_window_type (window) == GDK_WINDOW_OFFSCREEN)
+    return;
+
   if (g_object_get_data (G_OBJECT (window), "gdk-dnd-registered") != NULL)
     return;
   else