[mutter] window: only attach dialogs to NORMAL, DIALOG, and MODAL_DIALOG windows

[Dan Winship <danw src gnome org>]

commit 2be1574e5504094848a75cb00d59a49d944edffc
Author: Dan Winship <danw gnome org>
Date:   Fri Jul 22 12:34:10 2011 -0400

    window: only attach dialogs to NORMAL, DIALOG, and MODAL_DIALOG windows
    
    Attaching dialogs to unusual windows (like the desktop) looks bad, so
    don't do it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=646761

 src/core/window.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 0d19855..fc19ff2 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -682,7 +682,16 @@ meta_window_should_attach_to_parent (MetaWindow *window)
   if (!parent)
     return FALSE;
 
-  return TRUE;
+  switch (parent->type)
+    {
+    case META_WINDOW_NORMAL:
+    case META_WINDOW_DIALOG:
+    case META_WINDOW_MODAL_DIALOG:
+      return TRUE;
+
+    default:
+      return FALSE;
+    }
 }
 
 MetaWindow*