diff --git a/include/wx/osx/cocoa/private.h b/include/wx/osx/cocoa/private.h
index b776801191..b99e9dae19 100644
--- a/include/wx/osx/cocoa/private.h
+++ b/include/wx/osx/cocoa/private.h
@@ -286,6 +286,11 @@ public:
 };
 
 #ifdef __OBJC__
+    typedef void (*wxOSX_TextEventHandlerPtr)(NSView* self, SEL _cmd, NSString *event);
+    typedef void (*wxOSX_EventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
+    typedef BOOL (*wxOSX_PerformKeyEventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
+    typedef BOOL (*wxOSX_FocusHandlerPtr)(NSView* self, SEL _cmd);
+
 
     WXDLLIMPEXP_CORE NSScreen* wxOSXGetMenuScreen();
     WXDLLIMPEXP_CORE NSRect wxToNSRect( NSView* parent, const wxRect& r );