From: eap <eap@opencascade.com>
Date: Thu, 7 Jul 2011 07:51:15 +0000 (+0000)
Subject: fix a SIGSEGV in the following use case:
X-Git-Tag: OpenCV_demo1~20
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=915a5c92ed1a86ffcd37ed74a63dc1acc9d73b97;p=modules%2Fgui.git

fix a SIGSEGV in the following use case:
- create a box
- create a mesh on the box w/o hypotheses
- pop-up on the mesh in OB -> SIGSEGV
---

diff --git a/src/LightApp/LightApp_SelectionMgr.cxx b/src/LightApp/LightApp_SelectionMgr.cxx
index 6b9e46417..5f823ae63 100644
--- a/src/LightApp/LightApp_SelectionMgr.cxx
+++ b/src/LightApp/LightApp_SelectionMgr.cxx
@@ -460,7 +460,7 @@ QList<Handle_SALOME_InteractiveObject> LightApp_SelectionMgr::selectionCache( co
     if ( myCacheSelection.contains( *it ) ) {
       const SelList& lst = myCacheSelection[*it];
       for ( SelList::const_iterator itr = lst.begin(); itr != lst.end(); ++itr ) {
-	if ( !set.contains( (*itr)->getEntry() ) ) {
+	if ( !(*itr).IsNull() && !set.contains( (*itr)->getEntry() ) ) {
 	  res.append( *itr );
 	  set.insert( (*itr)->getEntry() );
 	}