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/////////////////////////////////////////////////////////////////////////////
// Name: wx/cocoa/ObjcAssociate.h
// Purpose: Associates an Objective-C class with a C++ class
// Author: David Elliott
// Modified by:
// Created: 2002/12/03
// Copyright: (c) 2002 David Elliott <dfe@cox.net>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __WX_COCOA_OBJC_ASSOCIATE_H__
#define __WX_COCOA_OBJC_ASSOCIATE_H__
/*-------------------------------------------------------------------------
Basic hashmap stuff, used by everything
-------------------------------------------------------------------------*/
#define WX_DECLARE_OBJC_HASHMAP(ObjcClass) \
class wxCocoa##ObjcClass; \
WX_DECLARE_HASH_MAP(WX_##ObjcClass,wxCocoa##ObjcClass*,wxPointerHash,wxPointerEqual,wxCocoa##ObjcClass##Hash)
#define WX_DECLARE_OBJC_INTERFACE_HASHMAP(ObjcClass) \
public: \
static inline wxCocoa##ObjcClass* GetFromCocoa(WX_##ObjcClass cocoaObjcClass) \
{ \
wxCocoa##ObjcClass##Hash::iterator iter = sm_cocoaHash.find(cocoaObjcClass); \
if(iter!=sm_cocoaHash.end()) \
{ \
return iter->second; \
} \
return NULL; \
} \
protected: \
static wxCocoa##ObjcClass##Hash sm_cocoaHash;
#define WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(ObjcClass) \
wxCocoa##ObjcClass##Hash wxCocoa##ObjcClass::sm_cocoaHash;
/*-------------------------------------------------------------------------
The entire interface, including some boilerplate stuff
-------------------------------------------------------------------------*/
#define WX_DECLARE_OBJC_INTERFACE(ObjcClass) \
WX_DECLARE_OBJC_INTERFACE_HASHMAP(ObjcClass) \
public: \
inline void Associate##ObjcClass(WX_##ObjcClass cocoaObjcClass) \
{ \
if(cocoaObjcClass) \
sm_cocoaHash.insert(wxCocoa##ObjcClass##Hash::value_type(cocoaObjcClass,this)); \
} \
inline void Disassociate##ObjcClass(WX_##ObjcClass cocoaObjcClass) \
{ \
if(cocoaObjcClass) \
sm_cocoaHash.erase(cocoaObjcClass); \
}
#define WX_IMPLEMENT_OBJC_INTERFACE(ObjcClass) \
WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(ObjcClass)
/*-------------------------------------------------------------------------
Stuff to be used by the wxWidgets class (not the Cocoa interface)
-------------------------------------------------------------------------*/
#define WX_DECLARE_COCOA_OWNER(ObjcClass,ObjcBase,ObjcRoot) \
public: \
inline WX_##ObjcClass Get##ObjcClass() { return (WX_##ObjcClass)m_cocoa##ObjcRoot; } \
inline const WX_##ObjcClass Get##ObjcClass() const { return (WX_##ObjcClass)m_cocoa##ObjcRoot; } \
protected: \
void Set##ObjcClass(WX_##ObjcClass cocoaObjcClass);
#define WX_IMPLEMENT_COCOA_OWNER(wxClass,ObjcClass,ObjcBase,ObjcRoot) \
void wxClass::Set##ObjcClass(WX_##ObjcClass cocoaObjcClass) \
{ \
Disassociate##ObjcClass((WX_##ObjcClass)m_cocoa##ObjcRoot); \
Set##ObjcBase(cocoaObjcClass); \
Associate##ObjcClass((WX_##ObjcClass)m_cocoa##ObjcRoot); \
}
#endif // __WX_COCOA_OBJC_ASSOCIATE_H__
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