supporting PopUp on osx cocoa as well, see #10361

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57970 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/carbon/menu.cpp

@@ -189,7 +189,6 @@ public :
 
     virtual ~wxMenuCarbonImpl();
         
-
     virtual void InsertOrAppend(wxMenuItem *pItem, size_t pos) 
     {
         // MacOS counts menu items from 1 and inserts after, therefore having the
@@ -259,6 +258,24 @@ public :
 
     WXHMENU GetHMenu() { return m_osxMenu; }
 
+    virtual void PopUp( wxWindow *WXUNUSED(win), int x, int y )
+    {
+        long menuResult = ::PopUpMenuSelect(m_osxMenu, y, x, 0) ;
+        if ( HiWord(menuResult) != 0 )
+        {
+            MenuCommand macid;
+            GetMenuItemCommandID( GetMenuHandle(HiWord(menuResult)) , LoWord(menuResult) , &macid );
+            int id = wxMacCommandToId( macid );
+            wxMenuItem* item = NULL ;
+            wxMenu* realmenu ;
+            item = m_peer->FindItem( id, &realmenu ) ;
+            if ( item )
+            {
+                m_peer->HandleCommandProcess(item, NULL );
+            }
+        }
+    }
+
     static wxMenuImpl* Create( wxMenu* peer, const wxString& title );
     static wxMenuImpl* CreateRootMenu( wxMenu* peer );
 protected :