From fd8fbd466b19256a4bef6310dd0dc9f87ba1383f Mon Sep 17 00:00:00 2001
From: vro <vro@opencascade.com>
Date: Tue, 3 Sep 2019 09:41:28 +0300
Subject: [PATCH] 0030784: Visualization - check if selectable of owner in
 internal container in AIS_InteractiveContext before using

# Issue #1140: Click on interactive cube crashes the application.
---
 src/AIS/AIS_InteractiveContext_1.cxx | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/AIS/AIS_InteractiveContext_1.cxx b/src/AIS/AIS_InteractiveContext_1.cxx
index 9fa3206c6a..0d7cbde177 100644
--- a/src/AIS/AIS_InteractiveContext_1.cxx
+++ b/src/AIS/AIS_InteractiveContext_1.cxx
@@ -538,7 +538,16 @@ AIS_StatusOfPick AIS_InteractiveContext::Select (const AIS_SelectionScheme theSe
   }*/
 
   AIS_NListOfEntityOwner aPickedOwners;
-  aPickedOwners.Append (myLastPicked);
+  if (!myLastPicked.IsNull() &&
+      myLastPicked->HasSelectable())
+  {
+    Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(myLastPicked->Selectable());
+    if (!anIO.IsNull() &&
+        myObjects.IsBound(anIO))
+    {
+      aPickedOwners.Append (myLastPicked);
+    }
+  }
 
   return Select (aPickedOwners, theSelScheme);
 }
-- 
2.39.5