[gtk+/gtk-3-8] GtkApplication: Allow passing windows on non-X11 targets

[Bastien Nocera <hadess src gnome org>]

commit fcc6f9adffba4a8690d01de24b8b7fcca0f88403
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Mar 13 15:32:46 2013 +0100

    GtkApplication: Allow passing windows on non-X11 targets
    
    It's not the application's fault that we don't do anything
    with the passed GtkWindow on non-X11, so don't try to get an XID
    on non-X11.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695783

 gtk/gtkapplication.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkapplication.c b/gtk/gtkapplication.c
index 9072907..d605846 100644
--- a/gtk/gtkapplication.c
+++ b/gtk/gtkapplication.c
@@ -1431,8 +1431,10 @@ gtk_application_inhibit (GtkApplication             *application,
       gdkwindow = gtk_widget_get_window (GTK_WIDGET (window));
       if (gdkwindow == NULL)
         g_warning ("Inhibit called with an unrealized window");
-      else
+#ifdef GDK_WINDOWING_X11
+      else if (GDK_IS_X11_WINDOW (gdkwindow))
         xid = GDK_WINDOW_XID (gdkwindow);
+#endif
     }
 
   res = g_dbus_proxy_call_sync (application->priv->sm_proxy,