[mutter] window: Correct the anchoring of drag moving / resizing

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

commit 4acb9024234a7e564222c5c4280c8cb2695e3a76
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed May 21 09:08:39 2014 -0400

    window: Correct the anchoring of drag moving / resizing
    
    Now that meta_window_move_resize and friends act in frame rect
    coordinates, we need to convert the initial grab_anchor_window_pos
    storage to be in frame rect coordinates as well.

 src/core/display.c |    2 +-
 src/core/window.c  |    7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 7432250..b195cf2 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1828,7 +1828,7 @@ meta_display_begin_grab_op (MetaDisplay *display,
 
   meta_window_get_client_root_coords (display->grab_window,
                                       &display->grab_initial_window_pos);
-  display->grab_anchor_window_pos = display->grab_initial_window_pos;
+  meta_window_get_frame_rect (display->grab_window, &display->grab_anchor_window_pos);
 
   if (meta_is_wayland_compositor ())
     meta_display_sync_wayland_input_focus (display);
diff --git a/src/core/window.c b/src/core/window.c
index 3384cc7..b291798 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -3139,6 +3139,9 @@ meta_window_unmaximize_internal (MetaWindow        *window,
           window->display->grab_window == window)
         {
           window->display->grab_anchor_window_pos = window->unconstrained_rect;
+          meta_window_client_rect_to_frame_rect (window,
+                                                 &window->display->grab_anchor_window_pos,
+                                                 &window->display->grab_anchor_window_pos);
         }
 
       meta_window_recalc_features (window);
@@ -6553,8 +6556,8 @@ warp_grab_pointer (MetaWindow          *window,
   display->grab_anchor_root_y = *y;
   display->grab_latest_motion_x = *x;
   display->grab_latest_motion_y = *y;
-  meta_window_get_client_root_coords (window,
-                                      &display->grab_anchor_window_pos);
+  meta_window_get_frame_rect (window,
+                              &display->grab_anchor_window_pos);
 
   {
     MetaBackend *backend = meta_get_backend ();