remove excess separators between invisible widgets

diff --git a/src/Qtx/Qtx.cxx b/src/Qtx/Qtx.cxx
index ae3cb9d02692fab9e276c94f6958317461e18980..5e03c61686c61cf95ef214b1c97f233c3e86cc03 100755 (executable)
--- a/src/Qtx/Qtx.cxx
+++ b/src/Qtx/Qtx.cxx
@@ -182,9 +182,12 @@ void Qtx::simplifySeparators( QToolBar* toolbar )
   bool isPrevSep = true;
   for ( QObjectListIt it( *objList ); it.current(); ++it )
   {
-    bool isSep = it.current()->isA( "QToolBarSeparator" );
+    QObject* obj = it.current();
+    if ( !obj || !obj->isWidgetType() || !((QWidget*)obj)->isVisibleTo( toolbar ) )
+      continue;
+    bool isSep = obj->isA( "QToolBarSeparator" );
     if ( isPrevSep && isSep )
-      delList.append( it.current() );
+      delList.append( obj );
     isPrevSep = isSep;
   }