+ wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
+ if(m_isChecked == check)
+ return;
+ wxAutoNSAutoreleasePool pool;
+ if(GetKind() == wxITEM_RADIO)
+ {
+ // it doesn't make sense to uncheck a radio item - what would this do?
+ if(!check)
+ return;
+ const wxMenuItemList& items = m_parentMenu->GetMenuItems();
+ // First search backwards for other radio items
+ wxMenuItemList::compatibility_iterator radioStart = items.Find(this);
+ for(wxMenuItemList::compatibility_iterator prevNode = radioStart;
+ prevNode && (prevNode->GetData()->GetKind() == wxITEM_RADIO);
+ prevNode = prevNode->GetPrevious())
+ {
+ radioStart = prevNode;
+ }
+ // Now starting there set the state of every item until we're
+ // out of radio items to set.
+ for(wxMenuItemList::compatibility_iterator node = radioStart;
+ node && (node->GetData()->GetKind() == wxITEM_RADIO);
+ node = node->GetNext())
+ {
+ wxMenuItem *item = node->GetData();
+ bool checkItem = (item == this);
+ item->wxMenuItemBase::Check(checkItem);
+ [item->m_cocoaNSMenuItem setState: checkItem?NSOnState:NSOffState];
+ }
+ }
+ else // normal check (non-radio) item
+ {
+ wxMenuItemBase::Check(check);
+ [m_cocoaNSMenuItem setState: check?NSOnState:NSOffState];
+ }