X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/27198be4ef37e67c6b088de9387f68a0df574bad..31478355f8348d7dfb1c647919b62b224acfa8a0:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index b8051a90a3..23f2359656 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -1,153 +1,302 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 -// Licence: wxWindows licence +// Copyright: (c) 1997 Julian Smart +// (c) 2001 Ron Lee +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_OBJECTH__ #define _WX_OBJECTH__ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(__APPLE__) #pragma interface "object.h" #endif +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #include "wx/defs.h" #include "wx/memory.h" -class WXDLLEXPORT wxObject; +class WXDLLIMPEXP_BASE wxObject; #if wxUSE_DYNAMIC_CLASSES -#ifdef __GNUWIN32__ +#ifndef wxUSE_EXTENDED_RTTI +#define wxUSE_EXTENDED_RTTI 0 +#endif + +#if wxUSE_EXTENDED_RTTI +#include "wx/xti.h" +#else + +// ---------------------------------------------------------------------------- +// 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 -class WXDLLEXPORT wxClassInfo; -class WXDLLEXPORT wxInputStream; -class WXDLLEXPORT wxObjectInputStream; -class WXDLLEXPORT wxObjectOutputStream; -class WXDLLEXPORT wxHashTable; -class WXDLLEXPORT wxObject_Serialize; +class WXDLLIMPEXP_BASE wxClassInfo; +class WXDLLIMPEXP_BASE wxHashTable; +class WXDLLIMPEXP_BASE wxObjectRefData; -#if wxUSE_IOSTREAMH -// N.B. BC++ doesn't have istream.h, ostream.h -# include -#else -# include -# ifdef _MSC_VER - using namespace std; -# endif -#endif - -/* - * Dynamic object system declarations - */ +// ---------------------------------------------------------------------------- +// wxClassInfo +// ---------------------------------------------------------------------------- -typedef wxObject * (*wxObjectConstructorFn) (void); +typedef wxObject *(*wxObjectConstructorFn)(void); -class WXDLLEXPORT wxClassInfo +class WXDLLIMPEXP_BASE wxClassInfo { - public: - wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn fn); +public: + 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->GetClassName(); } + const wxChar *GetBaseClassName2() const { return m_baseInfo2->GetClassName(); } + 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) ) ); + } + +#ifdef 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(); + +public: + const wxChar *m_className; + int m_objectSize; + wxObjectConstructorFn m_objectConstructor; - wxObject *CreateObject(void); - - inline char *GetClassName(void) const { return m_className; } - inline char *GetBaseClassName1(void) const { return m_baseClassName1; } - inline char *GetBaseClassName2(void) const { return m_baseClassName2; } - inline wxClassInfo* GetBaseClass1() const { return m_baseInfo1; } - inline wxClassInfo* GetBaseClass2() const { return m_baseInfo2; } - inline int GetSize(void) const { return m_objectSize; } - inline wxObjectConstructorFn GetConstructor() const { return m_objectConstructor; } - static inline wxClassInfo* GetFirst() { return sm_first; } - inline wxClassInfo* GetNext() const { return m_next; } - bool IsKindOf(wxClassInfo *info) const; + // Pointers to base wxClassInfos: set in InitializeClasses - static wxClassInfo *FindClass(char *c); + const wxClassInfo *m_baseInfo1; + const wxClassInfo *m_baseInfo2; - // Initializes parent pointers and hash table for fast searching. - static void InitializeClasses(void); + // class info object live in a linked list: + // pointers to its head and the next element in it - // Cleans up hash table used for fast searching. - static void CleanUpClasses(void); + static wxClassInfo *sm_first; + wxClassInfo *m_next; -public: - char* m_className; - char* m_baseClassName1; - char* m_baseClassName2; - int m_objectSize; - wxObjectConstructorFn m_objectConstructor; - - // Pointers to base wxClassInfos: set in InitializeClasses - // called from wx_main.cc - wxClassInfo* m_baseInfo1; - wxClassInfo* m_baseInfo2; + // FIXME: this should be private (currently used directly by way too + // many clients) + static wxHashTable *sm_classTable; - static wxClassInfo* sm_first; - wxClassInfo* m_next; +private: + // InitializeClasses() helper + static wxClassInfo *GetBaseByName(const wxChar *name); - static wxHashTable* sm_classTable; + DECLARE_NO_COPY_CLASS(wxClassInfo) + +protected: + // registers the class + void Register(); + void Unregister(); }; -WXDLLEXPORT wxObject* wxCreateDynamicObject(const char *name); +WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name); -#ifdef wxUSE_SERIAL -WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream ); +#ifdef 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 \ +// ---------------------------------------------------------------------------- +// Dynamic class macros +// ---------------------------------------------------------------------------- + +#define DECLARE_DYNAMIC_CLASS(name) \ + public: \ + static wxClassInfo sm_class##name; \ + virtual wxClassInfo *GetClassInfo() const \ { return &name::sm_class##name; } +#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_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name) #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name) -////// -////// for concrete classes -////// +// ----------------------------------- +// for concrete classes +// ----------------------------------- + + // Single inheritance with one base class + +#define IMPLEMENT_DYNAMIC_CLASS(name, basename) \ + wxObject* wxConstructorFor##name() \ + { return new name; } \ + wxClassInfo name::sm_class##name(wxT(#name), \ + &basename::sm_class##basename, NULL, \ + (int) sizeof(name), \ + (wxObjectConstructorFn) wxConstructorFor##name); -// 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((char *) #name, (char *) #basename, (char *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); + // Multiple inheritance with two base classes -// 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((char *) #name, (char *) #basename1, (char *) #basename2, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); +#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ + wxObject* wxConstructorFor##name() \ + { return new name; } \ + wxClassInfo name::sm_class##name(wxT(#name), \ + &basename1::sm_class##basename1, \ + &basename2::sm_class##basename2, \ + wxT(#basename2), (int) sizeof(name), \ + (wxObjectConstructorFn) wxConstructorFor##name); -////// -////// for abstract classes -////// +// ----------------------------------- +// for abstract classes +// ----------------------------------- -// Single inheritance with one base class -#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxClassInfo name::sm_class##name((char *) #name, (char *) #basename, \ - (char *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL); + // Single inheritance with one base class -// Multiple inheritance with two base classes -#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ - wxClassInfo name::sm_class##name((char *) #name, (char *) #basename1, (char *) #basename2, (int) sizeof(name), (wxObjectConstructorFn) NULL); +#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ + wxClassInfo name::sm_class##name(wxT(#name), \ + &basename::sm_class##basename, NULL, \ + (int) sizeof(name), (wxObjectConstructorFn) 0); + + // Multiple inheritance with two base classes + +#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ + wxClassInfo name::sm_class##name(wxT(#name), \ + &basename1::sm_class##basename1, \ + &basename2::sm_class##basename2, \ + (int) sizeof(name), \ + (wxObjectConstructorFn) 0); #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 +#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 CLASSINFO(name) (&name::sm_class##name) -#else +#else // !wxUSE_DYNAMIC_CLASSES + + // No dynamic class system: so stub out the macros -// No dynamic class system: so stub out the macros #define DECLARE_DYNAMIC_CLASS(name) #define DECLARE_ABSTRACT_CLASS(name) #define DECLARE_CLASS(name) @@ -158,116 +307,260 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \ #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 -#endif +#define DECLARE_PLUGGABLE_CLASS(name) +#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name) +#define IMPLEMENT_PLUGGABLE_CLASS(name, basename) +#define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) +#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) +#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) + +#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) +#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo) +#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) +#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2) +#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) +#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) + +#endif // wxUSE_DYNAMIC_CLASSES + +#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className) -#define IS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className) +// Just seems a bit nicer-looking (pretend it's not a macro) +#define wxIsKindOf(obj, className) obj->IsKindOf(&className::sm_class##className) -// Unfortunately Borland seems to need this include. -#ifdef __BORLANDC__ -#if wxUSE_IOSTREAMH -#include +// to be replaced by dynamic_cast<> in the future +#define wxDynamicCast(obj, className) \ + ((className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className)) + +// 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) + +#ifdef HAVE_CONST_CAST +#define wxConstCast(obj, className) const_cast(obj) #else -#include -#endif +#define wxConstCast(obj, className) ((className *)(obj)) #endif -class WXDLLEXPORT wxObjectRefData; -class WXDLLEXPORT wxObject +#ifdef __WXDEBUG__ +inline void wxCheckCast(void *ptr) { - public: + wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") ); +} +#define wxStaticCast(obj, className) \ + (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj))) + +#else // !__WXDEBUG__ +#define wxStaticCast(obj, className) ((className *)(obj)) - // This is equivalent to using the macro DECLARE_ABSTRACT_CLASS - static wxClassInfo sm_classwxObject; +#endif // __WXDEBUG__ - wxObject(void); - virtual ~wxObject(void); +// ---------------------------------------------------------------------------- +// set up memory debugging macros +// ---------------------------------------------------------------------------- - virtual wxClassInfo *GetClassInfo(void) const { return &sm_classwxObject; } +/* + Which new/delete operator variants do we want? - bool IsKindOf(wxClassInfo *info) const; + _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 - void * operator new (size_t size, char * fileName = NULL, int lineNum = 0); - void operator delete (void * buf); -// VC++ 6.0 -#if _MSC_VER >= 1200 - void operator delete(void *buf, char*, int); +// 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 - // Cause problems for VC++ -#ifndef _MSC_VER - void * operator new[] (size_t size, char * fileName = NULL, int lineNum = 0); - void operator delete[] (void * buf); +// 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 + + // 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 + +#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) +// needed by wxObject::Dump +#include "wx/iosfwrap.h" #endif -#ifdef __MWERKS__ - void * operator new[] (size_t size, char * fileName , int lineNum = 0); - void operator delete[] (void * buf); +// ---------------------------------------------------------------------------- +// wxObject: the root class of wxWindows object hierarchy +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE wxObject +{ + DECLARE_ABSTRACT_CLASS(wxObject) + +private: + void InitFrom(const wxObject& other); + +public: + wxObject() { m_refData = NULL; } + virtual ~wxObject() { UnRef(); } + + wxObject(const wxObject& other) + { + InitFrom(other); + } + + wxObject& operator=(const wxObject& other) + { + if ( this != &other ) + { + UnRef(); + InitFrom(other); + } + return *this; + } + + bool IsKindOf(wxClassInfo *info) const; + + + // 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 defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT - virtual void Dump(ostream& str); +#ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET + void operator delete ( void *buf, const char *_fname, size_t _line ); #endif -#ifdef wxUSE_SERIAL - virtual void StoreObject( wxObjectOutputStream &stream ); - virtual void LoadObject( wxObjectInputStream &stream ); +#ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT + void operator delete ( void *buf, const wxChar*, int ); #endif - // make a 'clone' of the object - void Ref(const wxObject& clone); +#ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT + void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 ); +#endif - // destroy a reference - void UnRef(void); +#ifdef _WX_WANT_ARRAY_DELETE_VOID + void operator delete[] ( void *buf ); +#endif - inline wxObjectRefData *GetRefData(void) const { return m_refData; } - inline void SetRefData(wxObjectRefData *data) { m_refData = data; } +#ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT + void operator delete[] (void* buf, const wxChar*, int ); +#endif -protected: - wxObjectRefData* m_refData; -#ifdef wxUSE_SERIAL - wxObject_Serialize* m_serialObj; + +#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) + virtual void Dump(wxSTD ostream& str); #endif -}; -/* - * wxObjectData - */ + // ref counted data handling methods + + // get/set + wxObjectRefData *GetRefData() const { return m_refData; } + void SetRefData(wxObjectRefData *data) { m_refData = data; } + + // make a 'clone' of the object + void Ref(const wxObject& clone); + + // 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; +}; -class WXDLLEXPORT wxObjectRefData { +// ---------------------------------------------------------------------------- +// wxObjectRefData: ref counted data meant to be stored in wxObject +// ---------------------------------------------------------------------------- - friend class 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; }; + +inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo) +{ + return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL; +} + +// ---------------------------------------------------------------------------- +// more debugging macros +// ---------------------------------------------------------------------------- + #ifdef __WXDEBUG__ -#ifndef WXDEBUG_NEW -#define WXDEBUG_NEW new(__FILE__,__LINE__) -#endif -#else -#define WXDEBUG_NEW new + #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. +// 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(__FILE__,__LINE__) -#endif - + #define new new(__TFILE__,__LINE__) #endif - // _WX_OBJECTH__ +#endif // _WX_OBJECTH__