From 22406636391960b800f8af0c7e8c4c6a806c84df Mon Sep 17 00:00:00 2001
From: Viktor Uzlov <viktor.uzlov@opencascade.com>
Date: Wed, 21 Apr 2021 13:27:10 +0300
Subject: [PATCH] fix SISEGV when exiting SALOME after activated SHAPER module

---
 src/Qtx/QtxDockWidget.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Qtx/QtxDockWidget.cxx b/src/Qtx/QtxDockWidget.cxx
index 2ef323d93..3f58f9261 100644
--- a/src/Qtx/QtxDockWidget.cxx
+++ b/src/Qtx/QtxDockWidget.cxx
@@ -368,6 +368,9 @@ myWatcher( 0 )
 */
 QtxDockWidget::~QtxDockWidget()
 {
+  myWatcher->setParent(nullptr);
+  delete myWatcher;
+  myWatcher = 0;
 }
 
 /*!
-- 
2.39.2