adding gc aware code, fixes #11061

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61710 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/menu.mm

@@ -55,7 +55,7 @@
 
 @end
 
-@interface wxNSMenuController : NSObject
+@interface wxNSMenuController : NSObject <NSMenuDelegate>
 {
 }
 
@@ -133,6 +133,10 @@ public :
         }
         [menu setDelegate:controller];
         [m_osxMenu setImplementation:this];
+        // gc aware
+        if ( m_osxMenu )
+            CFRetain(m_osxMenu);
+        [m_osxMenu release];
     }
     
     virtual ~wxMenuCocoaImpl();
@@ -196,7 +200,9 @@ wxMenuCocoaImpl::~wxMenuCocoaImpl()
 {
     [m_osxMenu setDelegate:nil];
     [m_osxMenu setImplementation:nil];
-    [m_osxMenu release];
+    // gc aware
+    if ( m_osxMenu )
+        CFRelease(m_osxMenu);
 }
 
 wxMenuImpl* wxMenuImpl::Create( wxMenu* peer, const wxString& title )

src/osx/cocoa/window.mm

@@ -1127,6 +1127,10 @@ wxWidgetCocoaImpl::wxWidgetCocoaImpl( wxWindowMac* peer , WXWidget w, bool isRoo
 {
     Init();
     m_osxView = w;
+    // gc aware handling
+    if ( m_osxView )
+        CFRetain(m_osxView);
+    [m_osxView release];
 }
 
 wxWidgetCocoaImpl::wxWidgetCocoaImpl() 
@@ -1152,7 +1156,9 @@ wxWidgetCocoaImpl::~wxWidgetCocoaImpl()
         if ( sv != nil )
             [m_osxView removeFromSuperview];
     }
-    [m_osxView release];
+    // gc aware handling
+    if ( m_osxView )
+        CFRelease(m_osxView);
 }
     
 bool wxWidgetCocoaImpl::IsVisible() const