[mutter] window: Remove is_window_root

[Jasper St. Pierre <jstpierre src gnome org>]

commit 064ef09c99ebf809d967d1e035045026b85e2320
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sun Apr 20 12:37:37 2014 -0400

    window: Remove is_window_root
    
    The entire point of it was to check whether the window was on the
    right screen. Since we don't handle multiple screens anymore, we
    don't need to check anything anymore.

 src/core/window.c |   43 +++++++++++++++----------------------------
 1 files changed, 15 insertions(+), 28 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 8fc6c71..042d103 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -7522,12 +7522,6 @@ void
 meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
                                          const ClutterEvent *event)
 {
-  gboolean is_window_root = (event->any.stage != NULL &&
-                             window &&
-                             window->screen &&
-                             CLUTTER_ACTOR (event->any.stage) ==
-                             meta_get_stage_for_screen (window->screen));
-
   switch (event->type)
     {
     case CLUTTER_BUTTON_RELEASE:
@@ -7549,7 +7543,7 @@ meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
                 {
                   if (window->tile_mode != META_TILE_NONE)
                     meta_window_tile (window);
-                  else if (is_window_root)
+                  else
                     update_move (window,
                                  event->button.modifier_state & CLUTTER_SHIFT_MASK,
                                  event->button.x,
@@ -7557,12 +7551,11 @@ meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
                 }
               else if (meta_grab_op_is_resizing (window->display->grab_op))
                 {
-                  if (is_window_root)
-                    update_resize (window,
-                                   event->button.modifier_state & CLUTTER_SHIFT_MASK,
-                                   event->button.x,
-                                   event->button.y,
-                                   TRUE);
+                  update_resize (window,
+                                 event->button.modifier_state & CLUTTER_SHIFT_MASK,
+                                 event->button.x,
+                                 event->button.y,
+                                 TRUE);
 
                   /* If a tiled window has been dragged free with a
                    * mouse resize without snapping back to the tiled
@@ -7584,24 +7577,18 @@ meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
                                             event->motion.y);
       if (meta_grab_op_is_moving (window->display->grab_op))
         {
-          if (is_window_root)
-            {
-              update_move (window,
-                           event->button.modifier_state & CLUTTER_SHIFT_MASK,
-                           event->motion.x,
-                           event->motion.y);
-            }
+          update_move (window,
+                       event->button.modifier_state & CLUTTER_SHIFT_MASK,
+                       event->motion.x,
+                       event->motion.y);
         }
       else if (meta_grab_op_is_resizing (window->display->grab_op))
         {
-          if (is_window_root)
-            {
-              update_resize (window,
-                             event->button.modifier_state & CLUTTER_SHIFT_MASK,
-                             event->motion.x,
-                             event->motion.y,
-                             FALSE);
-            }
+          update_resize (window,
+                         event->button.modifier_state & CLUTTER_SHIFT_MASK,
+                         event->motion.x,
+                         event->motion.y,
+                         FALSE);
         }
       break;