+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/cocoa/ObjcAssociate.h
+// Purpose: Associates an Objective-C class with a C++ class
+// Author: David Elliott
+// Modified by:
+// Created: 2002/12/03
+// RCS-ID: $Id:
+// Copyright: (c) 2002 David Elliott <dfe@cox.net>
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#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) \
+ { \
+ sm_cocoaHash.insert(wxCocoa##ObjcClass##Hash::value_type(cocoaObjcClass,this)); \
+ } \
+ inline void Disassociate##ObjcClass(WX_##ObjcClass cocoaObjcClass) \
+ { \
+ sm_cocoaHash.erase(cocoaObjcClass); \
+ }
+
+#define WX_IMPLEMENT_OBJC_INTERFACE(ObjcClass) \
+WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(ObjcClass)
+
+/*-------------------------------------------------------------------------
+Stuff to be used by the wxWindows 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) \
+{ \
+ if(m_cocoa##ObjcRoot) \
+ Disassociate##ObjcClass((WX_##ObjcClass)m_cocoa##ObjcRoot); \
+ Set##ObjcBase(cocoaObjcClass); \
+ if(m_cocoa##ObjcRoot) \
+ Associate##ObjcClass((WX_##ObjcClass)m_cocoa##ObjcRoot); \
+}
+
+#endif // __WX_COCOA_OBJC_ASSOCIATE_H__
+