From 87b64d2f38110438cc252f4058cc8b7b5ef1cc05 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Fri, 23 Mar 2012 08:07:28 +0000
Subject: [PATCH] Fix crash that occurs on Ctrl-Tab pressing in the dialog box
 with child tab widget (stack overflow).

---
 src/Qtx/QtxDialog.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Qtx/QtxDialog.cxx b/src/Qtx/QtxDialog.cxx
index 2c2e76b63..c5cbe4929 100755
--- a/src/Qtx/QtxDialog.cxx
+++ b/src/Qtx/QtxDialog.cxx
@@ -1328,8 +1328,11 @@ void QtxDialog::keyPressEvent( QKeyEvent* e )
   if ( e->key() == Qt::Key_Tab && e->modifiers() & Qt::ControlModifier )
   {
     QObject* tab = qFindChild<QTabWidget*>( this );
-    if ( tab )
+    if ( tab && !property( "in_tab_event" ).toBool() ) {
+      setProperty( "in_tab_event", true );
       QApplication::sendEvent( tab, e );
+      setProperty( "in_tab_event", false );
+    }
   }
 }
 
-- 
2.39.2