[gnome-shell] panelMenu: Attempt to navigate menus only if we can't navigate inside the menu

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

commit d9a4688e989d0980d1c1f8bc4c44f79d1d3b3283
Author: Tanner Doshier <doshitan gmail com>
Date:   Fri May 3 20:33:05 2013 -0500

    panelMenu: Attempt to navigate menus only if we can't navigate inside the menu
    
    This enables key navigation in the calendar.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=667434

 js/ui/panelMenu.js |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/panelMenu.js b/js/ui/panelMenu.js
index aa935e9..b73152e 100644
--- a/js/ui/panelMenu.js
+++ b/js/ui/panelMenu.js
@@ -184,6 +184,9 @@ const Button = new Lang.Class({
     },
 
     _onMenuKeyPress: function(actor, event) {
+        if (global.focus_manager.navigate_from_event(event))
+            return true;
+
         let symbol = event.get_key_symbol();
         if (symbol == Clutter.KEY_Left || symbol == Clutter.KEY_Right) {
             let group = global.focus_manager.get_group(this.actor);