[mutter] meta-window-actor: Don't add shadows to popups if the toolkit already does

[Florian Müllner <fmuellner src gnome org>]

commit af3aae729583de917e7961123a6e8714acdcdf25
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Jun 7 11:03:01 2014 +0200

    meta-window-actor: Don't add shadows to popups if the toolkit already does
    
    GTK+ will add its own shadows client-side, so we don't need to anymore.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=731353

 src/compositor/meta-window-actor.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 5bc650f..f912844 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -746,9 +746,11 @@ meta_window_actor_has_shadow (MetaWindowActor *self)
     return FALSE;
 
   /*
-   * Add shadows to override redirect windows (e.g., Gtk menus).
+   * Add shadows to override redirect windows on X11 unless the toolkit
+   * indicates that it is handling shadows itself (e.g., Gtk menus).
    */
-  if (priv->window->override_redirect)
+  if (priv->window->override_redirect &&
+      !priv->window->has_custom_frame_extents)
     return TRUE;
 
   return FALSE;