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[wxWidgets.git] / include / wx / cocoa / ObjcPose.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/cocoa/ObjcPose.h
// Purpose:     Macros for initializing poseAs, among other things
// Author:      David Elliott
// Modified by: 
// Created:     2002/12/03
// RCS-ID:      $Id:
// Copyright:   (c) 2002 David Elliott <dfe@cox.net>
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef __WX_COCOA_PRIVATE_POSER_H__
#define __WX_COCOA_PRIVATE_POSER_H__

/*-------------------------------------------------------------------------
Objective-C Poser class initialization
-------------------------------------------------------------------------*/
#ifdef __OBJC__
#import <objc/objc-class.h>
#import <Foundation/NSObjCRuntime.h>

class wxPoseAsInitializer
{
public:
	wxPoseAsInitializer()
	: m_next(sm_first)
	{
		sm_first = this;
	}
	virtual ~wxPoseAsInitializer()
	{
		sm_first = m_next;
	}
	static void InitializePosers()
	{
		while(sm_first)
		{
			delete sm_first;
		}
	};
protected:
	wxPoseAsInitializer *m_next;
	static wxPoseAsInitializer *sm_first;
};

class wxDummyForPoseAsInitializer
{
public:
	wxDummyForPoseAsInitializer(void*) {}
};

#define WX_IMPLEMENT_POSER(poser) \
class wxPoseAsInitializerFor##poser: public wxPoseAsInitializer \
{ \
protected: \
    virtual ~wxPoseAsInitializerFor##poser() \
    { \
        class_poseAs([poser class],[poser superclass]); \
    } \
}; \
wxDummyForPoseAsInitializer wxDummyPoseAsInitializerFor##poser(new wxPoseAsInitializerFor##poser)

#else // __OBJC__
#warning "Objective-C++ Only!"
#endif // __OBJC__

#endif // __WX_COCOA_PRIVATE_POSER_H__