having the refcon of a menu item to bear the pointer to the wxMenuItem, and have an map of menuref->wxMenu*

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27461 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/menu.cpp

@@ -41,12 +41,42 @@ IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
 #endif
 
 // the (popup) menu title has this special id
-static const int idMenuTitle = -2;
+static const int idMenuTitle = -3;
 static MenuItemIndex firstUserHelpMenuItem = 0 ;
 
 const short kwxMacMenuBarResource = 1 ;
 const short kwxMacAppleMenuId = 1 ;
 
+
+// Find an item given the Macintosh Menu Reference
+
+wxList wxWinMacMenuList(wxKEY_INTEGER);
+wxMenu *wxFindMenuFromMacMenu(MenuRef inMenuRef)
+{
+    wxNode *node = wxWinMacMenuList.Find((long)inMenuRef);
+    if (!node)
+        return NULL;
+    return (wxMenu *)node->GetData();
+}
+
+void wxAssociateMenuWithMacMenu(MenuRef inMenuRef, wxMenu *menu) ;
+void wxAssociateMenuWithMacMenu(MenuRef inMenuRef, wxMenu *menu)
+{
+    // adding NULL MenuRef is (first) surely a result of an error and
+    // (secondly) breaks menu command processing
+    wxCHECK_RET( inMenuRef != (MenuRef) NULL, wxT("attempt to add a NULL MenuRef to menu list") );
+
+    if ( !wxWinMacMenuList.Find((long)inMenuRef) )
+        wxWinMacMenuList.Append((long)inMenuRef, menu);
+}
+
+void wxRemoveMacMenuAssociation(wxMenu *menu) ;
+void wxRemoveMacMenuAssociation(wxMenu *menu)
+{
+    wxWinMacMenuList.DeleteObject(menu);
+}
+
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -77,6 +107,8 @@ void wxMenu::Init()
         wxLogLastError(wxT("UMANewMenu failed"));
     }
 
+    wxAssociateMenuWithMacMenu( (MenuRef)m_hMenu , this ) ;
+
     // if we have a title, insert it in the beginning of the menu
     if ( !!m_title )
     {
@@ -87,6 +119,7 @@ void wxMenu::Init()
 
 wxMenu::~wxMenu()
 {
+    wxRemoveMacMenuAssociation( this ) ;
     if (MAC_WXHMENU(m_hMenu))
         ::DisposeMenu(MAC_WXHMENU(m_hMenu));
 }
@@ -153,6 +186,7 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
             }
 
             SetMenuItemCommandID( MAC_WXHMENU(m_hMenu) , pos , pItem->GetId() ) ;
+            SetMenuItemRefCon( MAC_WXHMENU(m_hMenu) , pos , (UInt32) pItem ) ;
             pItem->UpdateItemText() ;
             pItem->UpdateItemBitmap() ;
             pItem->UpdateItemStatus() ;
@@ -582,6 +616,7 @@ void wxMenuBar::MacInstallMenuBar()
                                 UMASetMenuItemText( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetText() , wxFont::GetDefaultEncoding() );
                                 UMAEnableMenuItem( GetMenuHandle( kwxMacAppleMenuId ) , 1 , true );
                                 SetMenuItemCommandID( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetId() ) ;
+                                SetMenuItemRefCon(GetMenuHandle( kwxMacAppleMenuId ) , 1 , (UInt32)item ) ;
                                 UMASetMenuItemShortcut( GetMenuHandle( kwxMacAppleMenuId ) , 1 , entry ) ;
                          }
                         else
@@ -590,6 +625,7 @@ void wxMenuBar::MacInstallMenuBar()
                             {
                                 UMAAppendMenuItem(mh, item->GetText()  , wxFont::GetDefaultEncoding(), entry);
                                 SetMenuItemCommandID( mh , CountMenuItems(mh) , item->GetId() ) ;
+                                SetMenuItemRefCon( mh , CountMenuItems(mh) , (UInt32)item ) ;
                             }
                         }