- wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
-
- if ( m_isChecked != bDoCheck )
- {
- if ( GetKind() == wxITEM_RADIO )
- {
- if ( bDoCheck )
- {
- wxMenuItemBase::Check( bDoCheck ) ;
- UpdateItemStatus() ;
-
- // get the index of this item in the menu
- const wxMenuItemList& items = m_parentMenu->GetMenuItems();
- int pos = items.IndexOf(this);
- wxCHECK_RET( pos != wxNOT_FOUND,
- _T("menuitem not found in the menu items list?") );
-
- // get the radio group range
- int start,
- end;
-
- if ( m_isRadioGroupStart )
- {
- // we already have all information we need
- start = pos;
- end = m_radioGroup.end;
- }
- else // next radio group item
- {
- // get the radio group end from the start item
- start = m_radioGroup.start;
- end = items.Item(start)->GetData()->m_radioGroup.end;
- }
-
- // also uncheck all the other items in this radio group
- wxMenuItemList::Node *node = items.Item(start);
- for ( int n = start; n <= end && node; n++ )
- {
- if ( n != pos )
- {
- ((wxMenuItem*)node->GetData())->UncheckRadio();
- }
- node = node->GetNext();
- }
- }
- }
- else
- {
- wxMenuItemBase::Check( bDoCheck ) ;
- UpdateItemStatus() ;
- }
- }
+ wxCHECK_RET( IsCheckable() && !IsSeparator(), wxT("only checkable items may be checked") );
+
+ if ( m_isChecked != bDoCheck )
+ {
+ if ( GetKind() == wxITEM_RADIO )
+ {
+ if ( bDoCheck )
+ {
+ wxMenuItemBase::Check( bDoCheck ) ;
+ UpdateItemStatus() ;
+
+ // get the index of this item in the menu
+ const wxMenuItemList& items = m_parentMenu->GetMenuItems();
+ int pos = items.IndexOf(this);
+ wxCHECK_RET( pos != wxNOT_FOUND,
+ _T("menuitem not found in the menu items list?") );
+
+ // get the radio group range
+ int start, end;
+
+ if ( m_isRadioGroupStart )
+ {
+ // we already have all information we need
+ start = pos;
+ end = m_radioGroup.end;
+ }
+ else // next radio group item
+ {
+ // get the radio group end from the start item
+ start = m_radioGroup.start;
+ end = items.Item(start)->GetData()->m_radioGroup.end;
+ }
+
+ // also uncheck all the other items in this radio group
+ wxMenuItemList::compatibility_iterator node = items.Item(start);
+ for ( int n = start; n <= end && node; n++ )
+ {
+ if ( n != pos )
+ ((wxMenuItem*)node->GetData())->UncheckRadio();
+
+ node = node->GetNext();
+ }
+ }
+ }
+ else
+ {
+ wxMenuItemBase::Check( bDoCheck ) ;
+ UpdateItemStatus() ;
+ }
+ }