X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/acd15a3fa015caf2d1e3213a7694b05c92d5b49c..682214d5c6ec3e56dbdfd0c97d70d87e614b38c2:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index 316d8d569c..f8064bdaae 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -1,317 +1,577 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: object.h +// Name: wx/object.h // Purpose: wxObject class, plus run-time type information macros // Author: Julian Smart -// Modified by: +// Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) 1997 Julian Smart +// (c) 2001 Ron Lee // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_OBJECTH__ #define _WX_OBJECTH__ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "object.h" #endif +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #include "wx/defs.h" #include "wx/memory.h" -class WXDLLEXPORT wxObject; +class WXDLLIMPEXP_BASE wxObject; + +#ifndef wxUSE_EXTENDED_RTTI +#define wxUSE_EXTENDED_RTTI 0 +#endif -#if wxUSE_DYNAMIC_CLASSES +#if wxUSE_EXTENDED_RTTI +#include "wx/xti.h" +#else -// #ifdef __GNUWIN32__ +// ---------------------------------------------------------------------------- +// conditional compilation +// ---------------------------------------------------------------------------- + +// this shouldn't be needed any longer as does it but it +// doesn't hurt neither #ifdef GetClassName #undef GetClassName #endif #ifdef GetClassInfo #undef GetClassInfo #endif -// #endif - -class WXDLLEXPORT wxClassInfo; -class WXDLLEXPORT wxInputStream; -class WXDLLEXPORT wxOutputStream; -class WXDLLEXPORT wxObjectInputStream; -class WXDLLEXPORT wxObjectOutputStream; -class WXDLLEXPORT wxHashTable; -class WXDLLEXPORT wxObject_Serialize; - -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) - #include "wx/ioswrap.h" -#endif -/* - * Dynamic object system declarations - */ +class WXDLLIMPEXP_BASE wxClassInfo; +class WXDLLIMPEXP_BASE wxHashTable; +class WXDLLIMPEXP_BASE wxObjectRefData; -typedef wxObject * (*wxObjectConstructorFn) (void); +// ---------------------------------------------------------------------------- +// wxClassInfo +// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxClassInfo +typedef wxObject *(*wxObjectConstructorFn)(void); + +class WXDLLIMPEXP_BASE wxClassInfo { public: - wxClassInfo(const wxChar *cName, - const wxChar *baseName1, - const wxChar *baseName2, - int sz, - wxObjectConstructorFn fn); + wxClassInfo( const wxChar *className, + const wxClassInfo *baseInfo1, + const wxClassInfo *baseInfo2, + int size, + wxObjectConstructorFn ctor ) + : m_className(className) + , m_objectSize(size) + , m_objectConstructor(ctor) + , m_baseInfo1(baseInfo1) + , m_baseInfo2(baseInfo2) + , m_next(sm_first) + { + sm_first = this; + Register(); + } + + ~wxClassInfo(); + + wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; } + + const wxChar *GetClassName() const { return m_className; } + const wxChar *GetBaseClassName1() const + { return m_baseInfo1 ? m_baseInfo1->GetClassName() : NULL; } + const wxChar *GetBaseClassName2() const + { return m_baseInfo2 ? m_baseInfo2->GetClassName() : NULL; } + const wxClassInfo *GetBaseClass1() const { return m_baseInfo1; } + const wxClassInfo *GetBaseClass2() const { return m_baseInfo2; } + int GetSize() const { return m_objectSize; } + + wxObjectConstructorFn GetConstructor() const { return m_objectConstructor; } + static const wxClassInfo *GetFirst() { return sm_first; } + const wxClassInfo *GetNext() const { return m_next; } + static wxClassInfo *FindClass(const wxChar *className); + + // Climb upwards through inheritance hierarchy. + // Dual inheritance is catered for. + + bool IsKindOf(const wxClassInfo *info) const + { + return info != 0 && + ( info == this || + ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) || + ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) ); + } - wxObject *CreateObject(void); +#if WXWIN_COMPATIBILITY_2_4 + // Initializes parent pointers and hash table for fast searching. + wxDEPRECATED( static void InitializeClasses() ); + // Cleans up hash table used for fast searching. + wxDEPRECATED( static void CleanUpClasses() ); +#endif + static void CleanUp(); - const wxChar *GetClassName() const { return m_className; } - const wxChar *GetBaseClassName1() const { return m_baseClassName1; } - const wxChar *GetBaseClassName2() const { return m_baseClassName2; } - const wxClassInfo* GetBaseClass1() const { return m_baseInfo1; } - const wxClassInfo* GetBaseClass2() const { return m_baseInfo2; } - int GetSize() const { return m_objectSize; } - wxObjectConstructorFn GetConstructor() const { return m_objectConstructor; } - static const wxClassInfo* GetFirst() { return sm_first; } - const wxClassInfo* GetNext() const { return m_next; } - bool IsKindOf(const wxClassInfo *info) const; +public: + const wxChar *m_className; + int m_objectSize; + wxObjectConstructorFn m_objectConstructor; - static wxClassInfo *FindClass(const wxChar *c); + // Pointers to base wxClassInfos: set in InitializeClasses - // Initializes parent pointers and hash table for fast searching. - static void InitializeClasses(); + const wxClassInfo *m_baseInfo1; + const wxClassInfo *m_baseInfo2; - // Cleans up hash table used for fast searching. - static void CleanUpClasses(); + // class info object live in a linked list: + // pointers to its head and the next element in it -public: - const wxChar* m_className; - const wxChar* m_baseClassName1; - const wxChar* m_baseClassName2; - int m_objectSize; - wxObjectConstructorFn m_objectConstructor; - - // Pointers to base wxClassInfos: set in InitializeClasses - const wxClassInfo* m_baseInfo1; - const wxClassInfo* m_baseInfo2; - - // class info object live in a linked list: pointers to its head and the - // next element in it - static wxClassInfo* sm_first; - wxClassInfo* m_next; - - static wxHashTable* sm_classTable; + static wxClassInfo *sm_first; + wxClassInfo *m_next; + + // FIXME: this should be private (currently used directly by way too + // many clients) + static wxHashTable *sm_classTable; + +private: + // InitializeClasses() helper + static wxClassInfo *GetBaseByName(const wxChar *name); + + DECLARE_NO_COPY_CLASS(wxClassInfo) + +protected: + // registers the class + void Register(); + void Unregister(); }; -WXDLLEXPORT wxObject* wxCreateDynamicObject(const wxChar *name); +WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name); -#if wxUSE_SERIAL -WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream ); +#if WXWIN_COMPATIBILITY_2_4 +inline void wxClassInfo::InitializeClasses() {} +inline void wxClassInfo::CleanUpClasses() {} #endif -#define DECLARE_DYNAMIC_CLASS(name) \ - public:\ - static wxClassInfo sm_class##name;\ - wxClassInfo *GetClassInfo() const \ - { return &name::sm_class##name; } +// ---------------------------------------------------------------------------- +// Dynamic class macros +// ---------------------------------------------------------------------------- + +#define DECLARE_ABSTRACT_CLASS(name) \ + public: \ + static wxClassInfo ms_classInfo; \ + virtual wxClassInfo *GetClassInfo() const; + +#define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \ + DECLARE_NO_ASSIGN_CLASS(name) \ + DECLARE_DYNAMIC_CLASS(name) + +#define DECLARE_DYNAMIC_CLASS_NO_COPY(name) \ + DECLARE_NO_COPY_CLASS(name) \ + DECLARE_DYNAMIC_CLASS(name) + +#define DECLARE_DYNAMIC_CLASS(name) \ + DECLARE_ABSTRACT_CLASS(name) \ + static wxObject* wxCreateObject(); -#define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name) #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name) -////// -////// for concrete classes -////// -// Single inheritance with one base class -#define IMPLEMENT_DYNAMIC_CLASS(name, basename) \ -wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \ - { return new name; }\ - wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename), (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); +// common part of the macros below +#define wxIMPLEMENT_CLASS_COMMON(name, basename, baseclsinfo2, func) \ + wxClassInfo name::ms_classInfo(wxT(#name), \ + &basename::ms_classInfo, \ + baseclsinfo2, \ + (int) sizeof(name), \ + (wxObjectConstructorFn) func); \ + \ + wxClassInfo *name::GetClassInfo() const \ + { return &name::ms_classInfo; } -// Multiple inheritance with two base classes -#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ -wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \ - { return new name; }\ - wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); +#define wxIMPLEMENT_CLASS_COMMON1(name, basename, func) \ + wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func) -////// -////// for abstract classes -////// +#define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func) \ + wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo) -// Single inheritance with one base class -#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename), \ - (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL); +// ----------------------------------- +// for concrete classes +// ----------------------------------- -// Multiple inheritance with two base classes -#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ - wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), \ - (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) NULL); + // Single inheritance with one base class +#define IMPLEMENT_DYNAMIC_CLASS(name, basename) \ + wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject) \ + wxObject* name::wxCreateObject() \ + { return new name; } -#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS -#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 + // Multiple inheritance with two base classes +#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \ + name::wxCreateObject) \ + wxObject* name::wxCreateObject() \ + { return new name; } + +// ----------------------------------- +// for abstract classes +// ----------------------------------- + + // Single inheritance with one base class + +#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ + wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL) -#define CLASSINFO(name) (&name::sm_class##name) + // Multiple inheritance with two base classes -#else // !wxUSE_DYNAMIC_CLASSES +#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL) -// No dynamic class system: so stub out the macros -#define DECLARE_DYNAMIC_CLASS(name) -#define DECLARE_ABSTRACT_CLASS(name) -#define DECLARE_CLASS(name) -#define IMPLEMENT_DYNAMIC_CLASS(name, basename) -#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) -#define IMPLEMENT_ABSTRACT_CLASS(name, basename) -#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 -#endif // wxUSE_DYNAMIC_CLASSES/!wxUSE_DYNAMIC_CLASSES +#endif // !wxUSE_EXTENDED_RTTI + + +// ----------------------------------- +// for pluggable classes +// ----------------------------------- + + // NOTE: this should probably be the very first statement + // in the class declaration so wxPluginSentinel is + // the first member initialised and the last destroyed. + +// _DECLARE_DL_SENTINEL(name) wxPluginSentinel m_pluginsentinel; + +#if wxUSE_NESTED_CLASSES + +#define _DECLARE_DL_SENTINEL(name, exportdecl) \ +class exportdecl name##PluginSentinel { \ +private: \ + static const wxString sm_className; \ +public: \ + name##PluginSentinel(); \ + ~name##PluginSentinel(); \ +}; \ +name##PluginSentinel m_pluginsentinel; + +#define _IMPLEMENT_DL_SENTINEL(name) \ + const wxString name::name##PluginSentinel::sm_className(#name); \ + name::name##PluginSentinel::name##PluginSentinel() { \ + wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name); \ + if( e != 0 ) { e->RefObj(); } \ + } \ + name::name##PluginSentinel::~name##PluginSentinel() { \ + wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name); \ + if( e != 0 ) { e->UnrefObj(); } \ + } +#else + +#define _DECLARE_DL_SENTINEL(name) +#define _IMPLEMENT_DL_SENTINEL(name) + +#endif // wxUSE_NESTED_CLASSES + +#define DECLARE_PLUGGABLE_CLASS(name) \ + DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT) +#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name) \ + DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT) + +#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \ + DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo) +#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo) \ + DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo) + +#define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \ + IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name) +#define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) \ + IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name) +#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \ + IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name) +#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \ + IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name) + +#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \ + IMPLEMENT_PLUGGABLE_CLASS(name, basename) +#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2) \ + IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) +#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \ + IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) +#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \ + IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) -#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className) +#define CLASSINFO(name) (&name::ms_classInfo) + +#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::ms_classInfo) // Just seems a bit nicer-looking (pretend it's not a macro) -#define wxIsKindOf(obj, className) obj->IsKindOf(&className::sm_class##className) +#define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo) -// to be replaced by dynamic_cast<> in the future +// this cast does some more checks at compile time as it uses static_cast +// internally +// +// note that it still has different semantics from dynamic_cast<> and so can't +// be replaced by it as long as there are any compilers not supporting it #define wxDynamicCast(obj, className) \ - ((obj) && ((obj)->IsKindOf(&className::sm_class##className)) \ - ? (className *)(obj) \ - : (className *)0) + ((className *) wxCheckDynamicCast( \ + wx_const_cast(wxObject *, wx_static_cast(const wxObject *, \ + wx_const_cast(className *, wx_static_cast(const className *, obj)))), \ + &className::ms_classInfo)) -// The 'this' pointer is always true, so use this version to cast the this -// pointer and avoid compiler warnings. +// The 'this' pointer is always true, so use this version +// to cast the this pointer and avoid compiler warnings. #define wxDynamicCastThis(className) \ - (IsKindOf(&className::sm_class##className) \ - ? (className *)(this) \ - : (className *)0) - -#define wxConstCast(obj, className) ((className *)(obj)) + (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0) #ifdef __WXDEBUG__ - inline void wxCheckCast(void *ptr) - { - wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") ); - } +inline void* wxCheckCast(void *ptr) +{ + wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") ); + return ptr; +} +#define wxStaticCast(obj, className) \ + ((className *)wxCheckCast(wxDynamicCast(obj, className))) - #define wxStaticCast(obj, className) \ - (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj))) +#else // !__WXDEBUG__ +#define wxStaticCast(obj, className) \ + wx_const_cast(className *, wx_static_cast(const className *, obj)) -#else // !Debug - #define wxStaticCast(obj, className) ((className *)(obj)) -#endif // Debug/!Debug +#endif // __WXDEBUG__ -// Unfortunately Borland seems to need this include. -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) -#ifdef __BORLANDC__ - #if wxUSE_IOSTREAMH - #include - #else - #include - #endif +// ---------------------------------------------------------------------------- +// set up memory debugging macros +// ---------------------------------------------------------------------------- + +/* + Which new/delete operator variants do we want? + + _WX_WANT_NEW_SIZET_WXCHAR_INT = void *operator new (size_t size, wxChar *fileName = 0, int lineNum = 0) + _WX_WANT_DELETE_VOID = void operator delete (void * buf) + _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET = void operator delete (void *buf, const char *_fname, size_t _line) + _WX_WANT_DELETE_VOID_WXCHAR_INT = void operator delete(void *buf, wxChar*, int) + _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT = void *operator new[] (size_t size, wxChar *fileName , int lineNum = 0) + _WX_WANT_ARRAY_DELETE_VOID = void operator delete[] (void *buf) + _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT = void operator delete[] (void* buf, wxChar*, int ) +*/ + +#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING + +// All compilers get this one +#define _WX_WANT_NEW_SIZET_WXCHAR_INT + +// Everyone except Visage gets the next one +#ifndef __VISAGECPP__ + #define _WX_WANT_DELETE_VOID +#endif + +// Only visage gets this one under the correct circumstances +#if defined(__VISAGECPP__) && __DEBUG_ALLOC__ + #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET #endif + +// Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new +#if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400)) + #define _WX_WANT_DELETE_VOID_WXCHAR_INT #endif -class WXDLLEXPORT wxObjectRefData; +// Now see who (if anyone) gets the array memory operators +#if wxUSE_ARRAY_MEMORY_OPERATORS + + // Everyone except Visual C++ (cause problems for VC++ - crashes) + #if !defined(__VISUALC__) + #define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT + #endif -class WXDLLEXPORT wxObject + // Everyone except Visual C++ (cause problems for VC++ - crashes) + #if !defined(__VISUALC__) + #define _WX_WANT_ARRAY_DELETE_VOID + #endif + + // Only CodeWarrior 6 or higher + #if defined(__MWERKS__) && (__MWERKS__ >= 0x2400) + #define _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT + #endif + +#endif // wxUSE_ARRAY_MEMORY_OPERATORS + +#endif // WXDEBUG && wxUSE_MEMORY_TRACING + +// ---------------------------------------------------------------------------- +// wxObject: the root class of wxWidgets object hierarchy +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE wxObject { - public: + DECLARE_ABSTRACT_CLASS(wxObject) + +private: + void InitFrom(const wxObject& other); + +public: + wxObject() { m_refData = NULL; } + virtual ~wxObject() { UnRef(); } - // This is equivalent to using the macro DECLARE_ABSTRACT_CLASS - static wxClassInfo sm_classwxObject; + wxObject(const wxObject& other) + { + InitFrom(other); + } - wxObject(void); - virtual ~wxObject(void); + wxObject& operator=(const wxObject& other) + { + if ( this != &other ) + { + UnRef(); + InitFrom(other); + } + return *this; + } - virtual wxClassInfo *GetClassInfo(void) const { return &sm_classwxObject; } + bool IsKindOf(wxClassInfo *info) const; - bool IsKindOf(wxClassInfo *info) const; -#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING - void * operator new (size_t size, wxChar * fileName = NULL, int lineNum = 0); -# if defined(__VISAGECPP__) -# if __DEBUG_ALLOC__ - void operator delete (void * buf,const char * _fname, size_t _line); -# endif //__DEBUG_ALLOC__ -# else // Everybody else - void operator delete (void * buf); -# endif // end of VISAGECPP - -// VC++ 6.0 -# if defined(__VISUALC__) && (__VISUALC__ >= 1200) - void operator delete(void *buf, wxChar*, int); -# endif - - // Causes problems for VC++ -# if wxUSE_ARRAY_MEMORY_OPERATORS && !defined(__VISUALC__) && !defined( __MWERKS__) - void * operator new[] (size_t size, wxChar * fileName = NULL, int lineNum = 0); - void operator delete[] (void * buf); -# endif - -# ifdef __MWERKS__ - void * operator new[] (size_t size, wxChar * fileName , int lineNum = 0); - void * operator new[] (size_t size) { return operator new[] ( size , NULL , 0 ) ; } - void operator delete[] (void * buf); -# endif - -#endif // Debug & memory tracing - -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) - virtual void Dump(wxSTD ostream& str); + // Turn on the correct set of new and delete operators + +#ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT + void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 ); +#endif + +#ifdef _WX_WANT_DELETE_VOID + void operator delete ( void * buf ); #endif -#if wxUSE_SERIAL - virtual void StoreObject( wxObjectOutputStream &stream ); - virtual void LoadObject( wxObjectInputStream &stream ); +#ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET + void operator delete ( void *buf, const char *_fname, size_t _line ); #endif - // make a 'clone' of the object - void Ref(const wxObject& clone); +#ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT + void operator delete ( void *buf, const wxChar*, int ); +#endif - // destroy a reference - void UnRef(void); +#ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT + void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 ); +#endif - inline wxObjectRefData *GetRefData(void) const { return m_refData; } - inline void SetRefData(wxObjectRefData *data) { m_refData = data; } +#ifdef _WX_WANT_ARRAY_DELETE_VOID + void operator delete[] ( void *buf ); +#endif -protected: - wxObjectRefData* m_refData; -#if wxUSE_SERIAL - wxObject_Serialize* m_serialObj; +#ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT + void operator delete[] (void* buf, const wxChar*, int ); #endif -}; -/* - * wxObjectData - */ + // ref counted data handling methods + + // get/set + wxObjectRefData *GetRefData() const { return m_refData; } + void SetRefData(wxObjectRefData *data) { m_refData = data; } -class WXDLLEXPORT wxObjectRefData { + // make a 'clone' of the object + void Ref(const wxObject& clone); - friend class wxObject; + // destroy a reference + void UnRef(); + +protected: + // ensure that our data is not shared with anybody else: if we have no + // data, it is created using CreateRefData() below, if we have shared data + // it is copied using CloneRefData(), otherwise nothing is done + void AllocExclusive(); + + // both methods must be implemented if Unshare() is used, not pure virtual + // only because of the backwards compatibility reasons + + // create a new m_refData + virtual wxObjectRefData *CreateRefData() const; + + // create a new m_refData initialized with the given one + virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; + + wxObjectRefData *m_refData; +}; + +// ---------------------------------------------------------------------------- +// wxObjectRefData: ref counted data meant to be stored in wxObject +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE wxObjectRefData +{ + friend class WXDLLIMPEXP_BASE wxObject; public: - wxObjectRefData(void); - virtual ~wxObjectRefData(void); + wxObjectRefData() : m_count(1) { } + virtual ~wxObjectRefData() { } + + int GetRefCount() const { return m_count; } - inline int GetRefCount(void) const { return m_count; } private: int m_count; }; -#ifdef __WXDEBUG__ -#ifndef WXDEBUG_NEW -#define WXDEBUG_NEW new(__TFILE__,__LINE__) -#endif + +inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo) +{ + return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL; +} + +#if wxUSE_EXTENDED_RTTI +class WXDLLIMPEXP_BASE wxDynamicObject : public wxObject +{ + friend class WXDLLIMPEXP_BASE wxDynamicClassInfo ; +public: + // instantiates this object with an instance of its superclass + wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) ; + ~wxDynamicObject(); + + void SetProperty (const wxChar *propertyName, const wxxVariant &value); + wxxVariant GetProperty (const wxChar *propertyName) const ; + + // get the runtime identity of this object + wxClassInfo *GetClassInfo() const + { +#ifdef _MSC_VER + return (wxClassInfo*) m_classInfo; #else -#define WXDEBUG_NEW new + return wx_const_cast(wxClassInfo *, m_classInfo); #endif + } -// Redefine new to be the debugging version. This doesn't -// work with all compilers, in which case you need to -// use WXDEBUG_NEW explicitly if you wish to use the debugging version. + wxObject* GetSuperClassInstance() const + { + return m_superClassInstance ; + } +private : + // removes an existing runtime-property + void RemoveProperty( const wxChar *propertyName ) ; -#if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS -#define new new(__TFILE__,__LINE__) + // renames an existing runtime-property + void RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) ; + + wxObject *m_superClassInstance ; + const wxDynamicClassInfo *m_classInfo; + struct wxDynamicObjectInternal; + wxDynamicObjectInternal *m_data; +}; #endif +// ---------------------------------------------------------------------------- +// more debugging macros +// ---------------------------------------------------------------------------- + +#ifdef __WXDEBUG__ + #ifndef WXDEBUG_NEW + #define WXDEBUG_NEW new(__TFILE__,__LINE__) + #endif +#else // !__WXDEBUG__ + #define WXDEBUG_NEW new +#endif + +// Redefine new to be the debugging version. This doesn't work with all +// compilers, in which case you need to use WXDEBUG_NEW explicitly if you wish +// to use the debugging version. + +#if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS + #define new new(__TFILE__,__LINE__) +#elif (defined(__WXDEBUG__) && defined(__VISUALC__) && !wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS) + // Including this file redefines new and allows leak reports to contain line numbers + #include "wx/msw/msvcrt.h" #endif - // _WX_OBJECTH__ +#endif // _WX_OBJECTH__