[gtk/wip/matthiasc/popup5: 141/145] win32: Disconnect the frame clock

[Matthias Clasen <matthiasc src gnome org>]

commit cc1103d0b9d3d85513508c3a1072bd3099487309
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 24 10:55:06 2019 +0000

    win32: Disconnect the frame clock
    
    The frame clock can now survive the surface,
    so we need to disconnect when the surface goes away.

 gdk/win32/gdksurface-win32.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gdk/win32/gdksurface-win32.c b/gdk/win32/gdksurface-win32.c
index e8df18b566..bad6006021 100644
--- a/gdk/win32/gdksurface-win32.c
+++ b/gdk/win32/gdksurface-win32.c
@@ -686,6 +686,10 @@ gdk_win32_surface_destroy (GdkSurface *window,
   /* Remove ourself from the modal stack */
   _gdk_remove_modal_window (window);
 
+  g_signal_handlers_disconnect_by_func (gdk_surface_get_frame_clock (window),
+                                        gdk_win32_impl_frame_clock_after_paint,
+                                        window);
+
   /* Remove all our transient children */
   while (surface->transient_children != NULL)
     {