From c0170ff9456df798feaeec176dddd8a7580a221b Mon Sep 17 00:00:00 2001
From: Rui Matos <tiagomatos@gmail.com>
Date: Tue, 24 Feb 2015 20:47:15 +0100
Subject: [PATCH] window-list: Check if the window title is set

MetaWindow.title might be NULL, particularly for Wayland clients where
setting the title is a request separate from window creation. We
shouldn't try to set StLabel's text prop in that case.

https://bugzilla.gnome.org/show_bug.cgi?id=745064
---
 extensions/window-list/extension.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extensions/window-list/extension.js b/extensions/window-list/extension.js
index 5c44272f..f2b9811e 100644
--- a/extensions/window-list/extension.js
+++ b/extensions/window-list/extension.js
@@ -169,6 +169,9 @@ const WindowTitle = new Lang.Class({
     },
 
     _updateTitle: function() {
+        if (!this._metaWindow.title)
+            return;
+
         if (this._metaWindow.minimized)
             this._label.text = '[%s]'.format(this._metaWindow.title);
         else