From 6df7be247688215d7565461c32078a4df997b52c Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Date: Mon, 24 Nov 2014 12:36:22 +0100
Subject: [PATCH] Prevent duplication of display name in window titles.

Do not append QGuiApplicationPrivate::displayName() to window title
if the title already contains it.

Fixes Qt Designer showing up with window title

Qt Designer -  Qt Designer

after qttools:9a58492ce6b62c0fdab373337f39103f4072ad9d

Change-Id: I5ac07a7f4be70372342324a175faf8c825867f50
Reviewed-by: David Faure <david.faure@kdab.com>
---
 src/gui/kernel/qplatformwindow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/kernel/qplatformwindow.cpp b/src/gui/kernel/qplatformwindow.cpp
index 976d89b30a..c6e5cfb9d6 100644
--- a/src/gui/kernel/qplatformwindow.cpp
+++ b/src/gui/kernel/qplatformwindow.cpp
@@ -453,7 +453,7 @@ bool QPlatformWindow::frameStrutEventsEnabled() const
 QString QPlatformWindow::formatWindowTitle(const QString &title, const QString &separator)
 {
     QString fullTitle = title;
-    if (QGuiApplicationPrivate::displayName) {
+    if (QGuiApplicationPrivate::displayName && !title.endsWith(*QGuiApplicationPrivate::displayName)) {
         // Append display name, if set.
         if (!fullTitle.isEmpty())
             fullTitle += separator;