[gnome-shell] [panel] don't empty out the app menu when the panel itself gets focus

[Dan Winship <danw src gnome org>]

commit 539ad8196eaff0bd658192f0b9e933ff8cabe408
Author: Dan Winship <danw gnome org>
Date:   Fri Jul 2 15:36:56 2010 -0400

    [panel] don't empty out the app menu when the panel itself gets focus
    
    https://bugzilla.gnome.org/show_bug.cgi?id=623429

 js/ui/panel.js |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/panel.js b/js/ui/panel.js
index be36da0..24aa25a 100644
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
@@ -439,6 +439,14 @@ AppMenuButton.prototype = {
             this._stopAnimation();
         }
 
+        if (!focusedApp) {
+            // If the app has just lost focus to the panel, pretend
+            // nothing happened; otherwise you can't keynav to the
+            // app menu.
+            if (global.stage_input_mode == Shell.StageInputMode.FOCUSED)
+                return;
+        }
+
         if (this._iconBox.child != null)
             this._iconBox.child.destroy();
         this._iconBox.hide();