Merge from V7_siman 11/10/2013

[modules/smesh.git] / src / SMESHGUI / SMESHGUI_ComputeDlg.cxx

diff --git a/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx b/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
index 0415094f1ecd255e4279fc3eaef0dc4b500ae8af..41d4e2cf88561716ac3642769ec8dcc3c4b5ad90 100644 (file)
--- a/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
@@ -906,20 +906,21 @@ void SMESHGUI_BaseComputeOp::computeMesh()
 #endif
             SMESH_Actor *anActor = SMESH::FindActorByObject( myMesh );
             if ( !anActor ) anActor = SMESH::CreateActor( aMeshSObj->GetStudy(), aMeshSObj->GetID().c_str(), true );    
-
-            anActor->SetEntityMode( entities );
-            SMESH::DisplayActor( SMESH::GetActiveWindow(), anActor );
-
+            if ( anActor ) // actor is not created for an empty mesh
+            {
+              anActor->SetEntityMode( entities );
+              SMESH::DisplayActor( SMESH::GetActiveWindow(), anActor );
+            }
             SMESH::Update(myIObject, true);
 
             if ( limitExceeded )
             {
-             QStringList hiddenMsg;
-             if ( hidden & SMESH_Actor::e0DElements ) hiddenMsg << tr( "SMESH_ELEMS0D" );
-             if ( hidden & SMESH_Actor::eEdges )      hiddenMsg << tr( "SMESH_EDGES" );
-             if ( hidden & SMESH_Actor::eFaces )      hiddenMsg << tr( "SMESH_FACES" );
-             if ( hidden & SMESH_Actor::eVolumes )    hiddenMsg << tr( "SMESH_VOLUMES" );
-             if ( hidden & SMESH_Actor::eBallElem )   hiddenMsg << tr( "SMESH_BALLS" );
+              QStringList hiddenMsg;
+              if ( hidden & SMESH_Actor::e0DElements ) hiddenMsg << tr( "SMESH_ELEMS0D" );
+              if ( hidden & SMESH_Actor::eEdges )      hiddenMsg << tr( "SMESH_EDGES" );
+              if ( hidden & SMESH_Actor::eFaces )      hiddenMsg << tr( "SMESH_FACES" );
+              if ( hidden & SMESH_Actor::eVolumes )    hiddenMsg << tr( "SMESH_VOLUMES" );
+              if ( hidden & SMESH_Actor::eBallElem )   hiddenMsg << tr( "SMESH_BALLS" );
               SUIT_MessageBox::warning( desktop(),
                                         tr( "SMESH_WRN_WARNING" ),
                                         tr( "SMESH_WRN_SIZE_INC_LIMIT_EXCEEDED" ).arg( myMesh->NbElements() ).arg( limitSize ).arg( hiddenMsg.join(", ") ) );