From 3e4c9cb3d6177c8feb4d57f900f118596f7b3c18 Mon Sep 17 00:00:00 2001
From: Daiwei Li <daiweili@suitabletech.com>
Date: Tue, 13 Aug 2013 15:58:41 -0700
Subject: [PATCH] Cocoa: Set window title after setting window flags if window
 has border

A QWindow should keep its title after removing and restoring the
frame, so set it if we are setting window flags that include a frame.

Task-number: QTBUG-32978

Change-Id: I0fe1b651eac05a210b06ec4f7f6fb78f2536834d
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
---
 src/plugins/platforms/cocoa/qcocoawindow.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index 1126315126..26869d4b5f 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -486,6 +486,9 @@ void QCocoaWindow::setWindowFlags(Qt::WindowFlags flags)
         [m_nsWindow setStyleMask:styleMask];
         [m_nsWindow setLevel:level];
         setWindowShadow(flags);
+        if (!(styleMask & NSBorderlessWindowMask)) {
+            setWindowTitle(window()->title());
+        }
     }
 
     m_windowFlags = flags;