x11/surface: Clear compute_size idle source also when destroying

Doing it on hide() is not enough, since in some edge cases we didn't
ever actually map, we just attempted to compute the size, e.g. in
response to a ConfigureNotify event, then the window was destroyed.

Related: https://gitlab.gnome.org/GNOME/mutter/-/issues/2678

diff --git a/gdk/x11/gdksurface-x11.c b/gdk/x11/gdksurface-x11.c
index 9ae867eb6f6eee88996281eb970b3044f4eae66a..a76e4824f2ed1c0e2c1f002257c3fcbda60c9f16 100644 (file)
--- a/gdk/x11/gdksurface-x11.c
+++ b/gdk/x11/gdksurface-x11.c
@@ -1358,6 +1358,7 @@ gdk_x11_surface_destroy (GdkSurface *surface,
 
   unhook_surface_changed (surface);
   disconnect_frame_clock (surface);
+  g_clear_handle_id (&impl->compute_size_source_id, g_source_remove);
 
   if (impl->cairo_surface)
     {