From e1344b04e8ce10c2977e8bf77cf48c5fffc4dd98 Mon Sep 17 00:00:00 2001
From: ouv <ouv@opencascade.com>
Date: Wed, 15 Feb 2012 08:46:53 +0000
Subject: [PATCH] Check for presence of the actor's interactive object before
 prehighlight and highlight.

---
 src/SVTK/SVTK_InteractorStyle.cxx | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/SVTK/SVTK_InteractorStyle.cxx b/src/SVTK/SVTK_InteractorStyle.cxx
index 5d3599e71..d9286014f 100644
--- a/src/SVTK/SVTK_InteractorStyle.cxx
+++ b/src/SVTK/SVTK_InteractorStyle.cxx
@@ -1052,11 +1052,14 @@ void SVTK_InteractorStyle::onFinishOperation()
               {
                 if( SALOME_Actor* anActor = SALOME_Actor::SafeDownCast( aVTKActor ) )
                 {
-                  if( anActor->Highlight( this, aSelectionEvent, true ) &&
-                      anActor->isHighlighted() )
+                  if( anActor->hasIO() )
                   {
-                    aHighlightedActor = anActor;
-                    break;
+                    if( anActor->Highlight( this, aSelectionEvent, true ) &&
+                        anActor->isHighlighted() )
+                    {
+                      aHighlightedActor = anActor;
+                      break;
+                    }
                   }
                 }
 	      }
@@ -1222,11 +1225,14 @@ void SVTK_InteractorStyle::onCursorMove(QPoint mousePos)
       {
         if( SALOME_Actor* anActor = SALOME_Actor::SafeDownCast( aVTKActor ) )
         {
-          anIsChanged = anActor->PreHighlight( this, aSelectionEvent, true );
-          if( anActor->isPreselected() )
+          if( anActor->hasIO() )
           {
-            aPreHighlightedActor = anActor;
-            break;
+            anIsChanged = anActor->PreHighlight( this, aSelectionEvent, true );
+            if( anActor->isPreselected() )
+            {
+              aPreHighlightedActor = anActor;
+              break;
+            }
           }
         }
       }
-- 
2.39.2