From bcbf3a109335f9e474ae2cddde78300241ee29ae Mon Sep 17 00:00:00 2001
From: mzn <mzn@opencascade.com>
Date: Thu, 23 Jun 2005 08:58:59 +0000
Subject: [PATCH] Fix for bug IPAL9248(3.0.0: SIGSEGV after calling operation
 with group if OCC Viewer activate).

---
 src/SMESHGUI/SMESHGUI.cxx | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/SMESHGUI/SMESHGUI.cxx b/src/SMESHGUI/SMESHGUI.cxx
index 2c49e211e..b44a2193a 100644
--- a/src/SMESHGUI/SMESHGUI.cxx
+++ b/src/SMESHGUI/SMESHGUI.cxx
@@ -1616,6 +1616,13 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
 
   case 803:                                     // EDIT GROUP
     {
+      if ( !vtkwnd )
+      {
+        SUIT_MessageBox::warn1( desktop(), tr( "SMESH_WRN_WARNING" ),
+          tr( "NOT_A_VTK_VIEWER" ),tr( "SMESH_BUT_OK" ) );
+        break;
+      }
+
       if(checkLock(aStudy)) break;
       EmitSignalDeactivateDialog();
 
@@ -1668,6 +1675,13 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
     case 811: // Intersect groups
     case 812: // Cut groups
     {
+      if ( !vtkwnd )
+      {
+        SUIT_MessageBox::warn1( desktop(), tr( "SMESH_WRN_WARNING" ),
+          tr( "NOT_A_VTK_VIEWER" ),tr( "SMESH_BUT_OK" ) );
+        break;
+      }
+
       if ( checkLock( aStudy ) )
         break;
 
@@ -1684,6 +1698,13 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
 
     case 813: // Delete groups with their contents
     {
+      if ( !vtkwnd )
+      {
+        SUIT_MessageBox::warn1( desktop(), tr( "SMESH_WRN_WARNING" ),
+          tr( "NOT_A_VTK_VIEWER" ),tr( "SMESH_BUT_OK" ) );
+        break;
+      }
+
       if ( checkLock( aStudy ) )
         break;