From 18eedbc02ddf3bd9b75c80980cf875c82836143e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Mon, 24 Sep 2012 21:52:47 +0200
Subject: [PATCH] keyboard: Disable "tray" button in lock/login screen

It is not possible to summon the tray via shortcut or dwelling
while the screen is locked, so it is odd to allow it from the
on-screen-keyboard.

https://bugzilla.gnome.org/show_bug.cgi?id=683546
---
 js/ui/keyboard.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index 2389ba5f1..4d97a9dea 100644
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -349,6 +349,13 @@ const Keyboard = new Lang.Class({
             trayButton.reactive = true;
             trayButton.remove_style_pseudo_class('grayed');
         }));
+        Main.sessionMode.connect('updated', Lang.bind(this, function() {
+            trayButton.reactive = !Main.sessionMode.isLocked;
+            if (Main.sessionMode.isLocked)
+                trayButton.add_style_pseudo_class('grayed');
+            else
+                trayButton.remove_style_pseudo_class('grayed');
+        }));
 
         return trayButton;
     },