X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..a7689c49fe02c0c065facf736ab28b19f5997b7c:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index 6dc59bf649..cb9d8f8c98 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -1,283 +1,498 @@ ///////////////////////////////////////////////////////////////////////////// -// 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__ -#pragma interface "object.h" -#endif +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- -#include "wx/defs.h" #include "wx/memory.h" -class WXDLLEXPORT wxObject; +#define wxDECLARE_CLASS_INFO_ITERATORS() \ +class WXDLLIMPEXP_BASE const_iterator \ + { \ + typedef wxHashTable_Node Node; \ + public: \ + typedef const wxClassInfo* value_type; \ + typedef const value_type& const_reference; \ + typedef const_iterator itor; \ + typedef value_type* ptr_type; \ + \ + Node* m_node; \ + wxHashTable* m_table; \ + public: \ + typedef const_reference reference_type; \ + typedef ptr_type pointer_type; \ + \ + const_iterator(Node* node, wxHashTable* table) \ + : m_node(node), m_table(table) { } \ + const_iterator() : m_node(NULL), m_table(NULL) { } \ + value_type operator*() const; \ + itor& operator++(); \ + const itor operator++(int); \ + bool operator!=(const itor& it) const \ + { return it.m_node != m_node; } \ + bool operator==(const itor& it) const \ + { return it.m_node == m_node; } \ + }; \ + \ + static const_iterator begin_classinfo(); \ + static const_iterator end_classinfo() + +// based on the value of wxUSE_EXTENDED_RTTI symbol, +// only one of the RTTI system will be compiled: +// - the "old" one (defined by rtti.h) or +// - the "new" one (defined by xti.h) +#include "wx/xti.h" +#include "wx/rtti.h" + +#define wxIMPLEMENT_CLASS(name, basename) \ + wxIMPLEMENT_ABSTRACT_CLASS(name, basename) + +#define wxIMPLEMENT_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) + +// ----------------------------------- +// 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 -#if wxUSE_DYNAMIC_CLASSES +#define _DECLARE_DL_SENTINEL(name) +#define _IMPLEMENT_DL_SENTINEL(name) -// #ifdef __GNUWIN32__ -#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 +#endif // wxUSE_NESTED_CLASSES -/* - * Dynamic object system declarations - */ +#define wxDECLARE_PLUGGABLE_CLASS(name) \ + wxDECLARE_DYNAMIC_CLASS(name); _DECLARE_DL_SENTINEL(name, WXDLLIMPEXP_CORE) +#define wxDECLARE_ABSTRACT_PLUGGABLE_CLASS(name) \ + wxDECLARE_ABSTRACT_CLASS(name); _DECLARE_DL_SENTINEL(name, WXDLLIMPEXP_CORE) -typedef wxObject * (*wxObjectConstructorFn) (void); +#define wxDECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \ + wxDECLARE_DYNAMIC_CLASS(name); _DECLARE_DL_SENTINEL(name, usergoo) +#define wxDECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo) \ + wxDECLARE_ABSTRACT_CLASS(name); _DECLARE_DL_SENTINEL(name, usergoo) -class WXDLLEXPORT wxClassInfo -{ - public: - wxClassInfo(wxChar *cName, wxChar *baseName1, wxChar *baseName2, int sz, wxObjectConstructorFn fn); +#define wxIMPLEMENT_PLUGGABLE_CLASS(name, basename) \ + wxIMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name) +#define wxIMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name) +#define wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \ + wxIMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name) +#define wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name) - wxObject *CreateObject(void); +#define wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \ + wxIMPLEMENT_PLUGGABLE_CLASS(name, basename) +#define wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) +#define wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \ + wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) +#define wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) - inline wxChar *GetClassName(void) const { return m_className; } - inline wxChar *GetBaseClassName1(void) const { return m_baseClassName1; } - inline wxChar *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; +#define wxCLASSINFO(name) (&name::ms_classInfo) - static wxClassInfo *FindClass(wxChar *c); +#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::ms_classInfo) - // Initializes parent pointers and hash table for fast searching. - static void InitializeClasses(void); +// Just seems a bit nicer-looking (pretend it's not a macro) +#define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo) - // Cleans up hash table used for fast searching. - static void CleanUpClasses(void); +// 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) \ + ((className *) wxCheckDynamicCast( \ + const_cast(static_cast(\ + const_cast(static_cast(obj)))), \ + &className::ms_classInfo)) + +// The 'this' pointer is always true, so use this version +// to cast the this pointer and avoid compiler warnings. +#define wxDynamicCastThis(className) \ + (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0) + +// FIXME-VC6: dummy argument needed because VC6 doesn't support explicitly +// choosing the template function to call +template +inline T *wxCheckCast(const void *ptr, T * = NULL) +{ + wxASSERT_MSG( wxDynamicCast(ptr, T), "wxStaticCast() used incorrectly" ); + return const_cast(static_cast(ptr)); +} -public: - wxChar* m_className; - wxChar* m_baseClassName1; - wxChar* m_baseClassName2; - int m_objectSize; - wxObjectConstructorFn m_objectConstructor; +#define wxStaticCast(obj, className) wxCheckCast((obj), (className *)NULL) - // Pointers to base wxClassInfos: set in InitializeClasses - // called from wx_main.cc - wxClassInfo* m_baseInfo1; - wxClassInfo* m_baseInfo2; +// ---------------------------------------------------------------------------- +// set up memory debugging macros +// ---------------------------------------------------------------------------- - static wxClassInfo* sm_first; - wxClassInfo* m_next; +/* + Which new/delete operator variants do we want? - static wxHashTable* sm_classTable; -}; + _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 ) +*/ -WXDLLEXPORT wxObject* wxCreateDynamicObject(const wxChar *name); +#if wxUSE_MEMORY_TRACING -#if wxUSE_SERIAL -WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream ); -#endif +// All compilers get this one +#define _WX_WANT_NEW_SIZET_WXCHAR_INT -#define DECLARE_DYNAMIC_CLASS(name) \ - public:\ - static wxClassInfo sm_class##name;\ - wxClassInfo *GetClassInfo() const \ - { return &name::sm_class##name; } +// Everyone except Visage gets the next one +#ifndef __VISAGECPP__ + #define _WX_WANT_DELETE_VOID +#endif -#define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name) -#define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name) +// Only visage gets this one under the correct circumstances +#if defined(__VISAGECPP__) && __DEBUG_ALLOC__ + #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET +#endif -////// -////// for concrete classes -////// +// Only VC++ 6 gets overloaded delete that matches new +#if (defined(__VISUALC__) && (__VISUALC__ >= 1200)) + #define _WX_WANT_DELETE_VOID_WXCHAR_INT +#endif -// 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 *) T(#name), (wxChar *) T(#basename), (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); +// Now see who (if anyone) gets the array memory operators +#if wxUSE_ARRAY_MEMORY_OPERATORS -// 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 *) T(#name), (wxChar *) T(#basename1), (wxChar *) T(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); + // Everyone except Visual C++ (cause problems for VC++ - crashes) + #if !defined(__VISUALC__) + #define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT + #endif -////// -////// for abstract classes -////// + // Everyone except Visual C++ (cause problems for VC++ - crashes) + #if !defined(__VISUALC__) + #define _WX_WANT_ARRAY_DELETE_VOID + #endif +#endif // wxUSE_ARRAY_MEMORY_OPERATORS + +#endif // wxUSE_MEMORY_TRACING + +// ---------------------------------------------------------------------------- +// Compatibility macro aliases DECLARE group +// ---------------------------------------------------------------------------- +// deprecated variants _not_ requiring a semicolon after them and without wx prefix. +// (note that also some wx-prefixed macro do _not_ require a semicolon because +// it's not always possible to force the compire to require it) + +#define DECLARE_CLASS_INFO_ITERATORS() wxDECLARE_CLASS_INFO_ITERATORS(); +#define DECLARE_ABSTRACT_CLASS(n) wxDECLARE_ABSTRACT_CLASS(n); +#define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(n) wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(n); +#define DECLARE_DYNAMIC_CLASS_NO_COPY(n) wxDECLARE_DYNAMIC_CLASS_NO_COPY(n); +#define DECLARE_DYNAMIC_CLASS(n) wxDECLARE_DYNAMIC_CLASS(n); +#define DECLARE_CLASS(n) wxDECLARE_CLASS(n); + +#define DECLARE_PLUGGABLE_CLASS(n) wxDECLARE_PLUGGABLE_CLASS(n); +#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(n) wxDECLARE_ABSTRACT_PLUGGABLE_CLASS(n); +#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(n,u) wxDECLARE_USER_EXPORTED_PLUGGABLE_CLASS(n,u); +#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,u) wxDECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,u); + +// ---------------------------------------------------------------------------- +// wxRefCounter: ref counted data "manager" +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE wxRefCounter +{ +public: + wxRefCounter() { m_count = 1; } -// Single inheritance with one base class -#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxClassInfo name::sm_class##name((wxChar *) T(#name), (wxChar *) T(#basename), \ - (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL); + int GetRefCount() const { return m_count; } -// Multiple inheritance with two base classes -#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ - wxClassInfo name::sm_class##name((wxChar *) T(#name), (wxChar *) T(#basename1), \ - (wxChar *) T(#basename2), (int) sizeof(name), (wxObjectConstructorFn) NULL); + void IncRef() { m_count++; } + void DecRef(); -#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS -#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 +protected: + // this object should never be destroyed directly but only as a + // result of a DecRef() call: + virtual ~wxRefCounter() { } -#define CLASSINFO(name) (&name::sm_class##name) +private: + // our refcount: + int m_count; -#else // !wxUSE_DYNAMIC_CLASSES + // It doesn't make sense to copy the reference counted objects, a new ref + // counter should be created for a new object instead and compilation + // errors in the code using wxRefCounter due to the lack of copy ctor often + // indicate a problem, e.g. a forgotten copy ctor implementation somewhere. + wxDECLARE_NO_COPY_CLASS(wxRefCounter); +}; -// 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 +// ---------------------------------------------------------------------------- +// wxObjectRefData: ref counted data meant to be stored in wxObject +// ---------------------------------------------------------------------------- -#endif // wxUSE_DYNAMIC_CLASSES/!wxUSE_DYNAMIC_CLASSES +typedef wxRefCounter wxObjectRefData; -#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className) +// ---------------------------------------------------------------------------- +// wxObjectDataPtr: helper class to avoid memleaks because of missing calls +// to wxObjectRefData::DecRef +// ---------------------------------------------------------------------------- -// Just seems a bit nicer-looking (pretend it's not a macro) -#define wxIsKindOf(obj, className) obj->IsKindOf(&className::sm_class##className) +template +class wxObjectDataPtr +{ +public: + typedef T element_type; + + wxEXPLICIT wxObjectDataPtr(T *ptr = NULL) : m_ptr(ptr) {} + + // copy ctor + wxObjectDataPtr(const wxObjectDataPtr &tocopy) + : m_ptr(tocopy.m_ptr) + { + if (m_ptr) + m_ptr->IncRef(); + } + + ~wxObjectDataPtr() + { + if (m_ptr) + m_ptr->DecRef(); + } + + T *get() const { return m_ptr; } + + // test for pointer validity: defining conversion to unspecified_bool_type + // and not more obvious bool to avoid implicit conversions to integer types + typedef T *(wxObjectDataPtr::*unspecified_bool_type)() const; + operator unspecified_bool_type() const + { + return m_ptr ? &wxObjectDataPtr::get : NULL; + } + + T& operator*() const + { + wxASSERT(m_ptr != NULL); + return *(m_ptr); + } + + T *operator->() const + { + wxASSERT(m_ptr != NULL); + return get(); + } + + void reset(T *ptr) + { + if (m_ptr) + m_ptr->DecRef(); + m_ptr = ptr; + } + + wxObjectDataPtr& operator=(const wxObjectDataPtr &tocopy) + { + if (m_ptr) + m_ptr->DecRef(); + m_ptr = tocopy.m_ptr; + if (m_ptr) + m_ptr->IncRef(); + return *this; + } + + wxObjectDataPtr& operator=(T *ptr) + { + if (m_ptr) + m_ptr->DecRef(); + m_ptr = ptr; + return *this; + } -// to be replaced by dynamic_cast<> in the future -#define wxDynamicCast(obj, className) \ - ((obj) && ((obj)->IsKindOf(&className::sm_class##className)) \ - ? (className *)(obj) \ - : (className *)0) - -// Unfortunately Borland seems to need this include. -#ifdef __BORLANDC__ - #if wxUSE_IOSTREAMH - #include - #else - #include - #endif -#endif +private: + T *m_ptr; +}; -class WXDLLEXPORT wxObjectRefData; +// ---------------------------------------------------------------------------- +// wxObject: the root class of wxWidgets object hierarchy +// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxObject +class WXDLLIMPEXP_BASE wxObject { - public: + wxDECLARE_ABSTRACT_CLASS(wxObject); + +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) + { + m_refData = other.m_refData; + if (m_refData) + m_refData->IncRef(); + } - wxObject(void); - virtual ~wxObject(void); + wxObject& operator=(const wxObject& other) + { + if ( this != &other ) + { + Ref(other); + } + return *this; + } - virtual wxClassInfo *GetClassInfo(void) const { return &sm_classwxObject; } - wxObject *Clone(void) const; - virtual void CopyObject(wxObject& object_dest) const; + bool IsKindOf(const 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); - void operator delete (void * buf); + // Turn on the correct set of new and delete operators -// VC++ 6.0 -#if defined(__VISUALC__) && (__VISUALC__ >= 1200) - void operator delete(void *buf, char*, int); +#ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT + void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 ); #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); +#ifdef _WX_WANT_DELETE_VOID + void operator delete ( void * buf ); #endif -#ifdef __MWERKS__ - void * operator new[] (size_t size, wxChar * fileName , int lineNum = 0); - void operator delete[] (void * buf); +#ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET + void operator delete ( void *buf, const char *_fname, size_t _line ); #endif -#endif // Debug & memory tracing +#ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT + void operator delete ( void *buf, const wxChar*, int ); +#endif -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) - virtual void Dump(ostream& str); +#ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT + void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 ); #endif -#if wxUSE_SERIAL - virtual void StoreObject( wxObjectOutputStream &stream ); - virtual void LoadObject( wxObjectInputStream &stream ); +#ifdef _WX_WANT_ARRAY_DELETE_VOID + void operator delete[] ( void *buf ); #endif - // make a 'clone' of the object - void Ref(const wxObject& clone); +#ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT + void operator delete[] (void* buf, const wxChar*, int ); +#endif - // destroy a reference - void UnRef(void); + // ref counted data handling methods - inline wxObjectRefData *GetRefData(void) const { return m_refData; } - inline void SetRefData(wxObjectRefData *data) { m_refData = data; } + // get/set + wxObjectRefData *GetRefData() const { return m_refData; } + void SetRefData(wxObjectRefData *data) { m_refData = data; } -protected: - wxObjectRefData* m_refData; -#if wxUSE_SERIAL - wxObject_Serialize* m_serialObj; -#endif -}; + // make a 'clone' of the object + void Ref(const wxObject& clone); -/* - * wxObjectData - */ + // destroy a reference + void UnRef(); -class WXDLLEXPORT wxObjectRefData { + // Make sure this object has only one reference + void UnShare() { AllocExclusive(); } - friend class wxObject; + // check if this object references the same data as the other one + bool IsSameAs(const wxObject& o) const { return m_refData == o.m_refData; } -public: - wxObjectRefData(void); - virtual ~wxObjectRefData(void); +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(); - inline int GetRefCount(void) const { return m_count; } -private: - int m_count; -}; + // both methods must be implemented if AllocExclusive() is used, not pure + // virtual only because of the backwards compatibility reasons -#ifdef __WXDEBUG__ -#ifndef WXDEBUG_NEW -#define WXDEBUG_NEW new(__TFILE__,__LINE__) -#endif -#else -#define WXDEBUG_NEW new -#endif + // create a new m_refData + virtual wxObjectRefData *CreateRefData() const; -// 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. + // create a new m_refData initialized with the given one + virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; -#if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS -#define new new(__TFILE__,__LINE__) -#endif + wxObjectRefData *m_refData; +}; -#endif - // _WX_OBJECTH__ +inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo) +{ + return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL; +} +#include "wx/xti2.h" +// ---------------------------------------------------------------------------- +// more debugging macros +// ---------------------------------------------------------------------------- + +#if wxUSE_DEBUG_NEW_ALWAYS + #define WXDEBUG_NEW new(__TFILE__,__LINE__) + + #if wxUSE_GLOBAL_MEMORY_OPERATORS + #define new WXDEBUG_NEW + #elif defined(__VISUALC__) + // Including this file redefines new and allows leak reports to + // contain line numbers + #include "wx/msw/msvcrt.h" + #endif +#endif // wxUSE_DEBUG_NEW_ALWAYS + +// ---------------------------------------------------------------------------- +// Compatibility macro aliases IMPLEMENT group +// ---------------------------------------------------------------------------- + +// deprecated variants _not_ requiring a semicolon after them and without wx prefix. +// (note that also some wx-prefixed macro do _not_ require a semicolon because +// it's not always possible to force the compire to require it) + +#define IMPLEMENT_DYNAMIC_CLASS(n,b) wxIMPLEMENT_DYNAMIC_CLASS(n,b) +#define IMPLEMENT_DYNAMIC_CLASS2(n,b1,b2) wxIMPLEMENT_DYNAMIC_CLASS2(n,b1,b2) +#define IMPLEMENT_ABSTRACT_CLASS(n,b) wxIMPLEMENT_ABSTRACT_CLASS(n,b) +#define IMPLEMENT_ABSTRACT_CLASS2(n,b1,b2) wxIMPLEMENT_ABSTRACT_CLASS2(n,b1,b2) +#define IMPLEMENT_CLASS(n,b) wxIMPLEMENT_CLASS(n,b) +#define IMPLEMENT_CLASS2(n,b1,b2) wxIMPLEMENT_CLASS2(n,b1,b2) + +#define IMPLEMENT_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_PLUGGABLE_CLASS(n,b) +#define IMPLEMENT_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_PLUGGABLE_CLASS2(n,b,b2) +#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(n,b) +#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2) +#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(n,b) +#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(n,b,b2) +#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,b) +#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2) + +#define CLASSINFO(n) wxCLASSINFO(n) + +#endif // _WX_OBJECTH__