Fix for bug IPAL9258(/dn06/../current1706): SIGSEGV after trying to close dialog...

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

diff --git a/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx b/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx
index f249535c87a3e4a6521ab88218941b9aa069233b..944a6d2a9e74540a3696813584dc4563d006c4e5 100644 (file)
--- a/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MoveNodesDlg.cxx
@@ -93,9 +93,7 @@ SMESHGUI_MoveNodesDlg::SMESHGUI_MoveNodesDlg (SMESHGUI* theModule,
          theName, 
          false,
          WStyle_Customize | WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu),
-  mySelector(SMESH::GetViewWindow(theModule)->GetSelector()),
   mySelectionMgr(SMESH::GetSelectionMgr(theModule)),
-  myViewWindow(SMESH::GetViewWindow(theModule)),
   mySMESHGUI(theModule)
 {
   myPreviewActor = 0;
@@ -113,6 +111,8 @@ SMESHGUI_MoveNodesDlg::SMESHGUI_MoveNodesDlg (SMESHGUI* theModule,
 
   aDlgLay->setStretchFactor(aMainFrame, 1);
 
+  mySelector = (SMESH::GetViewWindow( mySMESHGUI ))->GetSelector();
+
   Init();
 }
 
@@ -230,7 +230,8 @@ void SMESHGUI_MoveNodesDlg::Init()
 
   // set selection mode
   SMESH::SetPointRepresentation(true);
-  myViewWindow->SetSelectionMode(NodeSelection);
+  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+    aViewWindow->SetSelectionMode(NodeSelection);
 
   onSelectionDone();
 }
@@ -323,7 +324,8 @@ void SMESHGUI_MoveNodesDlg::onClose()
 {
   mySelectionMgr->clearSelected();
   SMESH::SetPointRepresentation(false);
-  myViewWindow->SetSelectionMode(ActorSelection);
+  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+    aViewWindow->SetSelectionMode(ActorSelection);
   disconnect(mySelectionMgr, 0, this, 0);
   disconnect(mySMESHGUI, 0, this, 0);
   mySMESHGUI->ResetState();
@@ -356,7 +358,8 @@ void SMESHGUI_MoveNodesDlg::onTextChange (const QString& theNewText)
        TColStd_MapOfInteger aListInd;
        aListInd.Add(anElem->GetID());
        mySelector->AddOrRemoveIndex(anIO,aListInd, false);
-       myViewWindow->highlight(anIO,true,true);
+       if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+         aViewWindow->highlight(anIO,true,true);
        
        onSelectionDone();
       }
@@ -423,7 +426,8 @@ void SMESHGUI_MoveNodesDlg::enterEvent (QEvent*)
 
     // set selection mode
     SMESH::SetPointRepresentation(true);
-    myViewWindow->SetSelectionMode(NodeSelection);
+    if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+      aViewWindow->SetSelectionMode(NodeSelection);
 
     redisplayPreview();
 
@@ -438,7 +442,8 @@ void SMESHGUI_MoveNodesDlg::enterEvent (QEvent*)
 void SMESHGUI_MoveNodesDlg::closeEvent (QCloseEvent*)
 {
   onClose();
-  myViewWindow->Repaint();
+  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+    aViewWindow->Repaint();
 }
 
 //=======================================================================
@@ -471,10 +476,13 @@ void  SMESHGUI_MoveNodesDlg::erasePreview()
   if (myPreviewActor == 0)
     return;
 
-  myViewWindow->RemoveActor(myPreviewActor);
+  SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI );
+  if (aViewWindow)
+    aViewWindow->RemoveActor(myPreviewActor);
   myPreviewActor->Delete();
   myPreviewActor = 0;
-  myViewWindow->Repaint();
+  if (aViewWindow)
+    aViewWindow->Repaint();
 }
 
 //=======================================================================
@@ -548,6 +556,9 @@ void SMESHGUI_MoveNodesDlg::redisplayPreview()
   myPreviewActor->SetProperty(aProp);
   aProp->Delete();
 
-  myViewWindow->AddActor(myPreviewActor);
-  myViewWindow->Repaint();
+  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
+    {
+      aViewWindow->AddActor(myPreviewActor);
+      aViewWindow->Repaint();
+    }
 }