1 files changed, 18 insertions, 0 deletions
diff --git a/src/core/window.c b/src/core/window.c
index 74994bd9..8e4345d2 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -8474,3 +8474,21 @@ meta_window_is_maximized (MetaWindow *window)
 {
   return META_WINDOW_MAXIMIZED (window);
 }
+
+/**
+ * meta_window_is_client_decorated:
+ *
+ * Check if if the window has decorations drawn by the client.
+ * (window->decorated refers only to whether we should add decorations)
+ */
+gboolean
+meta_window_is_client_decorated (MetaWindow *window)
+{
+  /* Currently the implementation here is hackish -
+   * has_custom_frame_extents() is set if _GTK_FRAME_EXTENTS is set
+   * to any value even 0. GTK+ always sets _GTK_FRAME_EXTENTS for
+   * client-side-decorated window, even if the value is 0 because
+   * the window is maxized and has no invisible borders or shadows.
+   */
+  return window->has_custom_frame_extents;
+}