routing native events first to the wx class and only if skipped call native handler

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58090 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/button.mm

@@ -132,6 +132,8 @@ wxSize wxButton::GetDefaultSize()
     return self;
 }
 
+WXCOCOAIMPL_COMMON_IMPLEMENTATION
+
 - (void) clickedAction: (id) sender
 {
     if ( impl )
@@ -142,21 +144,6 @@ wxSize wxButton::GetDefaultSize()
     }
 }
 
-- (void)setImplementation: (wxWidgetCocoaImpl *) theImplementation
-{
-    impl = theImplementation;
-}
-
-- (wxWidgetCocoaImpl*) implementation
-{
-    return impl;
-}
-
-- (BOOL) isFlipped
-{
-    return YES;
-}
-
 - (int) intValue
 {
     switch ( [self state] )