X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cf44735628cecb0326b953c4872260f223fc8769..b1d66b5415f7befb45e050d7097571642b8bfa56:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index 1a787a3f71..69e3796842 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -6,32 +6,43 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __OBJECTH__ -#define __OBJECTH__ +#ifndef _WX_OBJECTH__ +#define _WX_OBJECTH__ #ifdef __GNUG__ -#pragma interface +#pragma interface "object.h" #endif #include "wx/defs.h" +#include "wx/memory.h" class WXDLLEXPORT wxObject; -#if USE_DYNAMIC_CLASSES +#if wxUSE_DYNAMIC_CLASSES -#ifdef __GNUWIN32__ +// #ifdef __GNUWIN32__ #ifdef GetClassName #undef GetClassName #endif +#ifdef GetClassInfo +#undef GetClassInfo #endif +// #endif class WXDLLEXPORT wxClassInfo; - -class WXDLLIMPORT istream; -class WXDLLIMPORT ostream; +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 @@ -39,74 +50,70 @@ class WXDLLIMPORT ostream; typedef wxObject * (*wxObjectConstructorFn) (void); -#ifdef USE_STORABLE_CLASSES -typedef wxObject* (*wxStorableConstructorFn) ( istream &stream, char *data ); -#endif - class WXDLLEXPORT wxClassInfo { - public: - char *className; - char *baseClassName1; - char *baseClassName2; - int objectSize; - wxObjectConstructorFn objectConstructor; - -#ifdef USE_STORABLE_CLASSES - wxStorableConstructorFn storableConstructor; -#endif +public: + wxClassInfo(const wxChar *cName, + const wxChar *baseName1, + const wxChar *baseName2, + int sz, + wxObjectConstructorFn fn); - // Pointers to base wxClassInfos: set in InitializeClasses - // called from wx_main.cc - wxClassInfo *baseInfo1; - wxClassInfo *baseInfo2; + wxObject *CreateObject(void); - static wxClassInfo *first; - wxClassInfo *next; + 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; -#ifdef USE_STORABLE_CLASSES - wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn fn, - wxStorableConstructorFn stoFn = NULL ); -#else - wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn fn); -#endif + static wxClassInfo *FindClass(const wxChar *c); - wxObject *CreateObject(void); - -#ifdef USE_STORABLE_CLASSES - wxObject* CreateObject( istream &stream, char *data ); -#endif + // Initializes parent pointers and hash table for fast searching. + static void InitializeClasses(); - inline char *GetClassName(void) const { return className; } - inline char *GetBaseClassName1(void) const { return baseClassName1; } - inline char *GetBaseClassName2(void) const { return baseClassName2; } - inline int GetSize(void) const { return objectSize; } - bool IsKindOf(wxClassInfo *info); + // Cleans up hash table used for fast searching. + static void CleanUpClasses(); - static wxClassInfo *FindClass(char *c); - // Initializes parent pointers for fast searching. - static void InitializeClasses(void); +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; }; -wxObject* WXDLLEXPORT wxCreateDynamicObject(char *name); +WXDLLEXPORT wxObject* wxCreateDynamicObject(const wxChar *name); -#ifdef USE_STORABLE_CLASSES -wxObject* WXDLLEXPORT wxCreateStoredObject( char *name, istream &stream, char *data ); +#if wxUSE_SERIAL +WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream ); #endif #define DECLARE_DYNAMIC_CLASS(name) \ public:\ - static wxClassInfo class##name;\ - wxClassInfo *GetClassInfo() \ - { return &name::class##name; } + static wxClassInfo sm_class##name;\ + wxClassInfo *GetClassInfo() const \ + { return &name::sm_class##name; } #define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name) #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name) -#ifdef USE_STORABLE_CLASSES -#define DECLARE_STORABLECLASS(name) DECLARE_DYNAMIC_CLASS(name) -#endif - ////// ////// for concrete classes ////// @@ -115,56 +122,34 @@ wxObject* WXDLLEXPORT wxCreateStoredObject( char *name, istream &stream, char *d #define IMPLEMENT_DYNAMIC_CLASS(name, basename) \ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \ { return new name; }\ - wxClassInfo name::class##name(#name, #basename, NULL, sizeof(name), wxConstructorFor##name); + wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename), (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); // Multiple inheritance with two base classes #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \ { return new name; }\ - wxClassInfo name::class##name(#name, #basename1, #basename2, sizeof(name), wxConstructorFor##name); - -////// -////// for storable classes -////// - -#ifdef USE_STORABLE_CLASSES - -#define IMPLEMENT_STORABLE_CLASS(name, basename) \ -wxObject* WXDLLEXPORT_CTORFN wxStorableConstructorFor##name( istream* stream, char* data )\ - { return new name( stream, data ); }\ -wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void)\ - { return new name; }\ - wxClassInfo name::class##name(#name, #basename, NULL, sizeof(name), wxConstructorFor##name,\ - wxStorableConstructorFor##name ); + wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name); -#define IMPLEMENT_STORABLE_CLASS2(name, basename1, basename2) \ -wxObject* WXDLLEXPORT_CTORFN wxStorableConstructorFor##name( istream* stream, char* data )\ - { return new name( stream, data ); }\ -wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void)\ - { return new name; }\ - wxClassInfo name::class##name(#name, #basename1, basename2, sizeof(name), wxConstructorFor##name,\ - wxStorableConstructorFor##name ); - -#endif - ////// ////// for abstract classes ////// // Single inheritance with one base class #define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxClassInfo name::class##name(#name, #basename, NULL, sizeof(name), NULL); + wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename), \ + (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL); // Multiple inheritance with two base classes #define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ - wxClassInfo name::class##name(#name, #basename1, #basename2, sizeof(name), NULL); + wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), \ + (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) NULL); #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 -#define CLASSINFO(name) (&name::class##name) +#define CLASSINFO(name) (&name::sm_class##name) -#else +#else // !wxUSE_DYNAMIC_CLASSES // No dynamic class system: so stub out the macros #define DECLARE_DYNAMIC_CLASS(name) @@ -177,16 +162,47 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void)\ #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 -#endif +#endif // wxUSE_DYNAMIC_CLASSES/!wxUSE_DYNAMIC_CLASSES + +#define wxIS_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) -#define IS_KIND_OF(obj, className) obj->IsKindOf(&className::class##name) +// 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) + +#define wxConstCast(obj, className) ((className *)(obj)) + +#ifdef __WXDEBUG__ + inline void wxCheckCast(void *ptr) + { + wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") ); + } + + #define wxStaticCast(obj, className) \ + (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj))) + +#else // !Debug + #define wxStaticCast(obj, className) ((className *)(obj)) +#endif // Debug/!Debug // Unfortunately Borland seems to need this include. +#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) #ifdef __BORLANDC__ -#if USE_IOSTREAMH -#include -#else -#include + #if wxUSE_IOSTREAMH + #include + #else + #include + #endif #endif #endif @@ -197,33 +213,51 @@ class WXDLLEXPORT wxObject public: // This is equivalent to using the macro DECLARE_ABSTRACT_CLASS - static wxClassInfo classwxObject; + static wxClassInfo sm_classwxObject; wxObject(void); virtual ~wxObject(void); - virtual wxClassInfo *GetClassInfo(void) { return &classwxObject; } - - bool IsKindOf(wxClassInfo *info); - -#if DEBUG && USE_MEMORY_TRACING - void * operator new (size_t size, char * fileName = NULL, int lineNum = 0); - void operator delete (void * buf); - - // Cause problems for VC++ -#ifndef _MSC_VER - void * operator new[] (size_t size, char * fileName = NULL, int lineNum = 0); - void operator delete[] (void * buf); -#endif - + virtual wxClassInfo *GetClassInfo(void) const { return &sm_classwxObject; } + + 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); #endif -#if DEBUG || USE_DEBUG_CONTEXT - virtual void Dump(ostream& str); -#endif - -#ifdef USE_STORABLE_CLASSES - virtual void StoreObject( ostream &WXUNUSED(stream) ) {}; +#if wxUSE_SERIAL + virtual void StoreObject( wxObjectOutputStream &stream ); + virtual void LoadObject( wxObjectInputStream &stream ); #endif // make a 'clone' of the object @@ -236,7 +270,10 @@ class WXDLLEXPORT wxObject inline void SetRefData(wxObjectRefData *data) { m_refData = data; } protected: - wxObjectRefData *m_refData; + wxObjectRefData* m_refData; +#if wxUSE_SERIAL + wxObject_Serialize* m_serialObj; +#endif }; /* @@ -256,14 +293,28 @@ private: int m_count; }; -#if DEBUG && USE_GLOBAL_MEMORY_OPERATORS +inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo) +{ + return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : 0; +} + +#ifdef __WXDEBUG__ #ifndef WXDEBUG_NEW -#define WXDEBUG_NEW new(__FILE__,__LINE__) +#define WXDEBUG_NEW new(__TFILE__,__LINE__) +#endif +#else +#define WXDEBUG_NEW new #endif -#define new WXDEBUG_NEW + +// 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__) #endif #endif - // __OBJECTH__ + // _WX_OBJECTH__