Add g_warning to not yet supported code

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 2808ecc6a57b8832b75dc4a3df423839f0e09041..a7bade30b98760779da2e705d01cff230822598a 100644 (file)
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -1080,7 +1080,9 @@ gdk_window_set_has_native (GdkWindow *window, gboolean has_native)
       if (private->parent == NULL ||
          GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_ROOT)
        return; /* toplevel, must be native */
-      
+
+      g_warning ("Tried to turn native window to client side window, this is not supported yet.");
+
       /* TODO: remove native */
     }
 }