cally: Remove useless cally_actor_get_top_level_origin

Does nothing...

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3458>

clutter/clutter/cally/cally-actor-private.h

@@ -33,7 +33,3 @@
  */
 #define CALLY_GET_CLUTTER_ACTOR(cally_object) \
   (CLUTTER_ACTOR (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (cally_object))))
-
-void _cally_actor_get_top_level_origin (ClutterActor *actor,
-                                        gint         *x,
-                                        gint         *y);

clutter/clutter/cally/cally-actor.c

@@ -647,7 +647,6 @@ cally_actor_get_extents (AtkComponent *component,
 {
   CallyActor   *cally_actor = NULL;
   ClutterActor *actor      = NULL;
-  gint          top_level_x, top_level_y;
   gfloat        f_width, f_height;
   graphene_point3d_t verts[4];
   ClutterActor  *stage = NULL;
@@ -673,22 +672,6 @@ cally_actor_get_extents (AtkComponent *component,
   *y = verts[0].y;
   *width = ceilf (f_width);
   *height = ceilf (f_height);
-
-  /* In the ATK_XY_WINDOW case, we consider the stage as the
-   * "top-level-window"
-   *
-   * http://library.gnome.org/devel/atk/stable/AtkUtil.html#AtkCoordType
-   */
-
-  if (coord_type == ATK_XY_SCREEN)
-    {
-      _cally_actor_get_top_level_origin (actor, &top_level_x, &top_level_y);
-
-      *x += top_level_x;
-      *y += top_level_y;
-    }
-
-  return;
 }
 
 static gint
@@ -725,25 +708,6 @@ cally_actor_grab_focus (AtkComponent    *component)
   return TRUE;
 }
 
-/*
- *
- * This gets the top level origin, it is, the position of the stage in
- * the global screen. You can see it as the absolute display position
- * of the stage. This is 0,0 for a compositor.
- */
-void
-_cally_actor_get_top_level_origin (ClutterActor *actor,
-                                   gint         *xp,
-                                   gint         *yp)
-{
-  /* default values */
-  if (xp)
-    *xp = 0;
-
-  if (yp)
-    *yp = 0;
-}
-
 /* AtkAction implementation */
 static void
 cally_actor_action_interface_init (AtkActionIface *iface)

clutter/clutter/cally/cally-text.c

@@ -1423,7 +1423,7 @@ static void cally_text_get_character_extents (AtkText *text,
   ClutterActor    *actor        = NULL;
   ClutterText     *clutter_text = NULL;
   gint x = 0, y = 0, width = 0, height = 0;
-  gint index, x_window, y_window, x_toplevel, y_toplevel;
+  gint index, x_window, y_window;
   gint x_layout, y_layout;
   PangoLayout *layout;
   PangoRectangle extents;
@@ -1460,13 +1460,6 @@ static void cally_text_get_character_extents (AtkText *text,
   width = extents.width / PANGO_SCALE;
   height = extents.height / PANGO_SCALE;
 
-  if (coords == ATK_XY_SCREEN)
-    {
-      _cally_actor_get_top_level_origin (actor, &x_toplevel, &y_toplevel);
-      x += x_toplevel;
-      y += y_toplevel;
-    }
-
 done:
   if (widthp)
     *widthp = width;
@@ -2281,7 +2274,7 @@ _cally_misc_get_index_at_point (ClutterText *clutter_text,
                                 gint         y,
                                 AtkCoordType coords)
 {
-  gint index, x_window, y_window, x_toplevel, y_toplevel;
+  gint index, x_window, y_window;
   gint x_temp, y_temp;
   gboolean ret;
   graphene_point3d_t verts[4];
@@ -2297,14 +2290,6 @@ _cally_misc_get_index_at_point (ClutterText *clutter_text,
   x_temp =  x - x_layout - x_window;
   y_temp =  y - y_layout - y_window;
 
-  if (coords == ATK_XY_SCREEN)
-    {
-      _cally_actor_get_top_level_origin (CLUTTER_ACTOR (clutter_text), &x_toplevel,
-                                         &y_toplevel);
-      x_temp -= x_toplevel;
-      y_temp -= y_toplevel;
-    }
-
   layout = clutter_text_get_layout (clutter_text);
   ret = pango_layout_xy_to_index (layout,
                                   x_temp * PANGO_SCALE,