From 4d2337ff94a9db7aa38997a369c1cca470a3297c Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Mon, 6 Jun 2016 09:27:41 +0300
Subject: [PATCH 1/1] Correction for selector(greed) widgets. Using
 preselection.

---
 src/ModuleBase/ModuleBase_OperationFeature.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/ModuleBase/ModuleBase_OperationFeature.cpp b/src/ModuleBase/ModuleBase_OperationFeature.cpp
index 79d72de89..82cf7906b 100755
--- a/src/ModuleBase/ModuleBase_OperationFeature.cpp
+++ b/src/ModuleBase/ModuleBase_OperationFeature.cpp
@@ -383,10 +383,14 @@ ModuleBase_ModelWidget* ModuleBase_OperationFeature::activateByPreselection(
           aWgt = (*aWIt);
           if (aWgt->attributeID() == theGreedAttributeId) {
             aPropertyPanel->setPreselectionWidget(aWgt);
-            aWgt->setSelection(myPreSelection, true);
-            aPropertyPanel->setPreselectionWidget(NULL);
-            aFilledWgt = aWgt;
-            break;
+            if (aWgt->setSelection(myPreSelection, true)) {
+              aPropertyPanel->setPreselectionWidget(NULL);
+              aFilledWgt = aWgt;
+              break;
+            }
+            else { // do not process invalid for greed widget selection
+              break;
+            }
           }
         }
       }
-- 
2.39.2