bos #18834 [CEA] Restore object browser state when switching from light module to...

diff --git a/src/LightApp/LightApp_Application.cxx b/src/LightApp/LightApp_Application.cxx
index 10cca2c578fa0242da27f6c9101701a0d58a0821..7312069457215d3e81b43fc3835938a7aeef628a 100644 (file)
--- a/src/LightApp/LightApp_Application.cxx
+++ b/src/LightApp/LightApp_Application.cxx
@@ -4115,10 +4115,14 @@ void LightApp_Application::updateWindows()
   for ( WinMap::ConstIterator it = myWin.begin(); it != myWin.end(); ++it )
   {
     QWidget* wid = it.value();
+    if ( !wid )
+      continue;
     if ( winMap.contains( it.key() ) )
       wid->setVisible( true );
-    else
+    else if ( !activeStudy() )
       delete wid;
+    else
+      wid->setVisible( false );
   }
 
   loadDockWindowsState();