From 766d154f2d1de7bc9a138a106a142e174ffa786b Mon Sep 17 00:00:00 2001
From: Eike Ziller <eike.ziller@qt.io>
Date: Mon, 9 May 2016 10:57:52 +0200
Subject: [PATCH] Do not crash when closing editor while diagnostic tool tip is
 shown

Make sure that the tool tip instance is reset to nullptr even if it was
closed automatically.

Change-Id: I3c718634d90dddc5822a634d082c263f51901684
Reviewed-by: hjk <hjk@theqtcompany.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
---
 src/libs/utils/tooltip/tooltip.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libs/utils/tooltip/tooltip.h b/src/libs/utils/tooltip/tooltip.h
index d6ad642ece2..2ddd94e2505 100644
--- a/src/libs/utils/tooltip/tooltip.h
+++ b/src/libs/utils/tooltip/tooltip.h
@@ -30,6 +30,7 @@
 
 #include <QSharedPointer>
 #include <QObject>
+#include <QPointer>
 #include <QTimer>
 #include <QRect>
 
@@ -107,7 +108,7 @@ private:
     void showTip();
     void hideTipWithDelay();
 
-    Internal::QTipLabel *m_tip;
+    QPointer<Internal::QTipLabel> m_tip;
     QWidget *m_widget;
     QRect m_rect;
     QTimer m_showTimer;