[gtk+/gtk-3-2] Bug 667691 - implement gdk_window_restack() for Quartz

[Michael Natterer <mitch src gnome org>]

commit e1c107a094f46d93f7b9bfeb029cf30ecfbedc12
Author: Michael Natterer <mitch lanedo com>
Date:   Thu Jan 26 10:11:17 2012 +0100

    Bug 667691 - implement gdk_window_restack() for Quartz
    
    Apply patch from Paul Davis which implements this missing function.
    (cherry picked from commit 5f48cfe4918d54d91ec2a87877be6a19b6d43b45)

 gdk/quartz/gdkwindow-quartz.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/gdk/quartz/gdkwindow-quartz.c b/gdk/quartz/gdkwindow-quartz.c
index 82e79dc..f579844 100644
--- a/gdk/quartz/gdkwindow-quartz.c
+++ b/gdk/quartz/gdkwindow-quartz.c
@@ -1630,7 +1630,18 @@ gdk_window_quartz_restack_toplevel (GdkWindow *window,
 				    GdkWindow *sibling,
 				    gboolean   above)
 {
-  /* FIXME: Implement this */
+  GdkWindowImplQuartz *impl;
+  gint sibling_num;
+
+  impl = GDK_WINDOW_IMPL_QUARTZ (sibling->impl);
+  sibling_num = [impl->toplevel windowNumber];
+
+  impl = GDK_WINDOW_IMPL_QUARTZ (window->impl);
+
+  if (above)
+    [impl->toplevel orderWindow:NSWindowAbove relativeTo:sibling_num];
+  else
+    [impl->toplevel orderWindow:NSWindowBelow relativeTo:sibling_num];
 }
 
 static void