[gnome-shell] gnome-shell-plugin: Remove old code to detect crossing events

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

commit 8581e980e9b3f79b1102ae827e7a64fdb8df59a0
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Aug 21 15:54:58 2013 -0400

    gnome-shell-plugin: Remove old code to detect crossing events
    
    Ever since we stopped reparenting status icon windows to the stage, tray icons
    haven't been inferiors and thus we don't have to filter out enter/leave events
    for them, as we never show them outside of a modal.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706536

 src/gnome-shell-plugin.c |   44 --------------------------------------------
 1 files changed, 0 insertions(+), 44 deletions(-)
---
diff --git a/src/gnome-shell-plugin.c b/src/gnome-shell-plugin.c
index 6571b39..32d5631 100644
--- a/src/gnome-shell-plugin.c
+++ b/src/gnome-shell-plugin.c
@@ -321,38 +321,6 @@ gnome_shell_plugin_kill_switch_workspace (MetaPlugin         *plugin)
 }
 
 static gboolean
-ignore_crossing_event (MetaPlugin   *plugin,
-                       XIEnterEvent *enter_event)
-{
-  MetaScreen *screen = meta_plugin_get_screen (plugin);
-  ClutterStage *stage = CLUTTER_STAGE (meta_get_stage_for_screen (screen));
-
-  if (enter_event->event == clutter_x11_get_stage_window (stage))
-    {
-      /* If the pointer enters a child of the stage window (eg, a
-       * trayicon), we want to consider it to still be in the stage,
-       * so don't let Clutter see the event.
-       */
-      if (enter_event->detail == XINotifyInferior)
-        return TRUE;
-
-      /* If the pointer is grabbed by a window it is not currently in,
-       * filter that out as well. In particular, if a trayicon grabs
-       * the pointer after a click on its label, we don't want to hide
-       * the message tray. Filtering out this event will leave Clutter
-       * out of sync, but that happens fairly often with grabs, and we
-       * can work around it. (Eg, shell_global_sync_pointer().)
-       */
-      if (enter_event->mode == XINotifyGrab &&
-          (enter_event->detail == XINotifyNonlinear ||
-           enter_event->detail == XINotifyNonlinearVirtual))
-        return TRUE;
-    }
-
-  return FALSE;
-}
-
-static gboolean
 gnome_shell_plugin_xevent_filter (MetaPlugin *plugin,
                                   XEvent     *xev)
 {
@@ -377,18 +345,6 @@ gnome_shell_plugin_xevent_filter (MetaPlugin *plugin,
     }
 #endif
 
-  /* Make sure that Clutter doesn't see certain focus change events,
-   * so that when we're moving into something like a tray icon, we
-   * don't unfocus the container. */
-  if (xev->type == GenericEvent &&
-      xev->xcookie.extension == meta_display_get_xinput_opcode (display))
-    {
-      XIEvent *input_event = (XIEvent *) xev->xcookie.data;
-      if ((input_event->evtype == XI_Enter || input_event->evtype == XI_Leave) &&
-          ignore_crossing_event (plugin, (XIEnterEvent *) input_event))
-        return TRUE;
-    }
-
   /*
    * Pass the event to shell-global
    */