From 5b95d912944a37a0f97a3cf1108e00b7de710e66 Mon Sep 17 00:00:00 2001
From: Orgad Shaneh <orgad.shaneh@audiocodes.com>
Date: Tue, 26 Jun 2018 08:20:42 +0300
Subject: [PATCH] TextEditor: Fix crash

Happens when closing an editor while tooltip processing is in progress.

Change-Id: I023f62ab6ba1e8b1bbe207da08c1e526fb99430a
Reviewed-by: David Schulz <david.schulz@qt.io>
---
 src/plugins/texteditor/texteditor.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 71818d1e937..8ad2cacf564 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -351,6 +351,8 @@ public:
 
     void onHandlerFinished(int documentRevision, int position, int priority)
     {
+        if (!m_widget)
+            return;
         QTC_ASSERT(m_currentHandlerIndex < m_handlers.size(), return);
         QTC_ASSERT(documentRevision == m_documentRevision, return);
         QTC_ASSERT(position == m_position, return);
@@ -376,7 +378,7 @@ public:
     }
 
 private:
-    TextEditorWidget *m_widget = nullptr;
+    QPointer<TextEditorWidget> m_widget;
     const QList<BaseHoverHandler *> &m_handlers;
 
     struct LastHandlerInfo {