From 3ac780626efe40becaaa53525de268bde4aea686 Mon Sep 17 00:00:00 2001
From: dmv <dmv@opencascade.com>
Date: Mon, 16 Nov 2009 15:03:12 +0000
Subject: [PATCH] SIGSEGV after changing the Mesh in "Greate Group", then
 select elements. (Filter Volume, Geometry type is used)

---
 src/SMESHGUI/SMESHGUI_FilterDlg.cxx |  8 +++++++-
 src/SMESHGUI/SMESHGUI_GroupDlg.cxx  | 10 ++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/SMESHGUI/SMESHGUI_FilterDlg.cxx b/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
index b567f89a5..4cc5d3fdc 100755
--- a/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
@@ -2632,7 +2632,13 @@ void SMESHGUI_FilterDlg::SetSourceWg (QWidget* theWg,
 //=======================================================================
 void SMESHGUI_FilterDlg::SetMesh (SMESH::SMESH_Mesh_var theMesh)
 {
-  myMesh = theMesh;
+  if ( !theMesh->_is_nil() ) {
+    myMesh = theMesh;
+    if ( !myFilter[ myTable->GetType() ]->_is_nil() && !myFilter[ myTable->GetType() ]->GetPredicate()->_is_nil() ) {
+      SMESH::Predicate_ptr aPred = myFilter[ myTable->GetType() ]->GetPredicate();
+      aPred->SetMesh(myMesh);
+    }
+  }
   const bool isEnable = !(myMesh->_is_nil());
   myButtons[BTN_OK]->setEnabled(isEnable);
   myButtons[BTN_Apply]->setEnabled(isEnable);
diff --git a/src/SMESHGUI/SMESHGUI_GroupDlg.cxx b/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
index 114a7fd97..32f66474c 100644
--- a/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
@@ -1062,6 +1062,10 @@ void SMESHGUI_GroupDlg::onObjectSelectionChanged()
           myIsBusy = false;
           return;
         }
+
+        if ( myFilterDlg && !myMesh->_is_nil()){
+          myFilterDlg->SetMesh( myMesh );
+        }
         myGroup = SMESH::SMESH_Group::_nil();
 
         // NPAL19389: create a group with a selection in another group
@@ -1087,7 +1091,6 @@ void SMESHGUI_GroupDlg::onObjectSelectionChanged()
           return;
         }
         myIsBusy = false;
-        myCurrentLineEdit = 0;
 
         myGroup = SMESH::SMESH_Group::_nil();
         myGroupOnGeom = SMESH::SMESH_GroupOnGeom::_nil();
@@ -1417,11 +1420,14 @@ void SMESHGUI_GroupDlg::setCurrentSelection()
   QPushButton* send = (QPushButton*)sender();
   myCurrentLineEdit = 0;
   if (send == myMeshGroupBtn) {
-    myCurrentLineEdit = myMeshGroupLine;
+    disconnect(myMeshGroupBtn, SIGNAL(clicked()), this, SLOT(setCurrentSelection()));
+    mySelectionMgr->clearSelected();
     if (myCreate)
       setSelectionMode(6);
     else
       setSelectionMode(5);
+    connect(myMeshGroupBtn, SIGNAL(clicked()), this, SLOT(setCurrentSelection()));
+    myCurrentLineEdit = myMeshGroupLine;
     onObjectSelectionChanged();
   }
   else if (send == mySubMeshBtn) {
-- 
2.39.2