Get the OS X Cocoa native combobox building by having the native code compile if wxOSX_USE_NATIVE_COMBOBOX is defined. It must be explicitly enabled by adding that define to the build flags as the native implementation is mostly just stubs right now.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63053 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/combobox.h

@@ -30,9 +30,11 @@ class WXDLLIMPEXP_CORE wxComboBox : public wxControl, public wxComboBoxBase
  public:
     virtual ~wxComboBox();
 
+#ifndef wxOSX_USE_NATIVE_COMBOBOX
     // forward these functions to all subcontrols
     virtual bool Enable(bool enable = true);
     virtual bool Show(bool show = true);
+#endif
 
     // callback functions
     virtual void DelegateTextChanged( const wxString& value );
@@ -129,9 +131,11 @@ class WXDLLIMPEXP_CORE wxComboBox : public wxControl, public wxComboBoxBase
 
     virtual bool        OSXHandleClicked( double timestampsec );
 
+#ifndef wxOSX_USE_NATIVE_COMBOBOX
     wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST
 
     WX_DECLARE_CONTROL_CONTAINER();
+#endif
 
 protected:
     // common part of all ctors
@@ -145,9 +149,11 @@ protected:
     virtual wxString DoGetValue() const;
     virtual wxWindow *GetEditableWindow() { return this; }
 
+#ifndef wxOSX_USE_NATIVE_COMBOBOX
     // override the base class virtuals involved in geometry calculations
     virtual wxSize DoGetBestSize() const;
     virtual void DoMoveWindow(int x, int y, int width, int height);
+#endif
 
     virtual int DoInsertItems(const wxArrayStringsAdapter& items,
                               unsigned int pos,
@@ -164,7 +170,9 @@ protected:
     wxComboBoxText*     m_text;
     wxComboBoxChoice*   m_choice;
 
+#ifndef wxOSX_USE_NATIVE_COMBOBOX
     DECLARE_EVENT_TABLE()
+#endif
 };
 
 #endif // _WX_COMBOBOX_H_

include/wx/osx/core/private.h

@@ -470,6 +470,17 @@ public :
                                     long style,
                                     long extraStyle);
 
+#ifdef wxOSX_USE_NATIVE_COMBOBOX
+    static wxWidgetImplType*    CreateComboBox( wxWindowMac* wxpeer, 
+                                    wxWindowMac* parent, 
+                                    wxWindowID id, 
+                                    wxMenu* menu,
+                                    const wxPoint& pos, 
+                                    const wxSize& size,
+                                    long style, 
+                                    long extraStyle);
+#endif
+
     // converts from Toplevel-Content relative to local
     static void Convert( wxPoint *pt , wxWidgetImpl *from , wxWidgetImpl *to );
 protected :