macos: use parent frame clock again

We do actually need the parent frame clock here because it is the way we
ensure that we get layout called for our popup surfaces at the same time
as the parent surface.

diff --git a/gdk/macos/gdkmacossurface.c b/gdk/macos/gdkmacossurface.c
index 385775fe58c5322d6d79c3cdeabb74ffd2c81547..8a1cf3747f5e782ae1afbaf2de9252a7f264aeea 100644 (file)
--- a/gdk/macos/gdkmacossurface.c
+++ b/gdk/macos/gdkmacossurface.c
@@ -621,7 +621,10 @@ _gdk_macos_surface_new (GdkMacosDisplay   *display,
 
   g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (display), NULL);
 
-  frame_clock = _gdk_frame_clock_idle_new ();
+  if (parent != NULL)
+    frame_clock = g_object_ref (parent->frame_clock);
+  else
+    frame_clock = _gdk_frame_clock_idle_new ();
 
   switch (surface_type)
     {