-void frame_frame_gravity(ObFrame *self, gint *x, gint *y, gint w, gint h);
+void frame_frame_gravity(ObFrame *self, gint *x, gint *y);
+
+/*! Convert a rectangle in client coordinates/sizes to what it would be
+ for the frame, given its current decorations sizes */
+void frame_rect_to_frame(ObFrame *self, Rect *r);
+
+/*! Convert a rectangle in frame coordinates/sizes to what it would be for the
+ client, given its current decorations sizes */
+void frame_rect_to_client(ObFrame *self, Rect *r);