X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a6391d30221084cbd7146f8076141b697891b9d4..c45b7e75d1833c93200ca2d4e518954e48ec936e:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index 6f5c68ce87..bc0824541b 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -5,7 +5,7 @@ // Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) 1997 Julian Smart and Markus Holzem +// Copyright: (c) 1997 Julian Smart // (c) 2001 Ron Lee // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -13,7 +13,7 @@ #ifndef _WX_OBJECTH__ #define _WX_OBJECTH__ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "object.h" #endif @@ -24,10 +24,18 @@ #include "wx/defs.h" #include "wx/memory.h" -class WXDLLEXPORT wxObject; +class WXDLLIMPEXP_BASE wxObject; #if wxUSE_DYNAMIC_CLASSES +#ifndef wxUSE_EXTENDED_RTTI +#define wxUSE_EXTENDED_RTTI 0 +#endif + +#if wxUSE_EXTENDED_RTTI +#include "wx/xti.h" +#else + // ---------------------------------------------------------------------------- // conditional compilation // ---------------------------------------------------------------------------- @@ -41,14 +49,9 @@ class WXDLLEXPORT wxObject; #undef GetClassInfo #endif -class WXDLLEXPORT wxClassInfo; -class WXDLLEXPORT wxHashTable; -class WXDLLEXPORT wxObjectRefData; - -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) - #include "wx/ioswrap.h" -#endif - +class WXDLLIMPEXP_BASE wxClassInfo; +class WXDLLIMPEXP_BASE wxHashTable; +class WXDLLIMPEXP_BASE wxObjectRefData; // ---------------------------------------------------------------------------- // wxClassInfo @@ -56,38 +59,34 @@ class WXDLLEXPORT wxObjectRefData; typedef wxObject *(*wxObjectConstructorFn)(void); -class WXDLLEXPORT wxClassInfo +class WXDLLIMPEXP_BASE wxClassInfo { public: wxClassInfo( const wxChar *className, - const wxChar *baseName1, - const wxChar *baseName2, + const wxClassInfo *baseInfo1, + const wxClassInfo *baseInfo2, int size, wxObjectConstructorFn ctor ) : m_className(className) - , m_baseClassName1(baseName1) - , m_baseClassName2(baseName2) , m_objectSize(size) , m_objectConstructor(ctor) - , m_baseInfo1(0) - , m_baseInfo2(0) + , m_baseInfo1(baseInfo1) + , m_baseInfo2(baseInfo2) , m_next(sm_first) - { -#ifdef __WXDEBUG__ - if (sm_classTable != NULL) { - wxString msg(_T("too late binding of class info (lazy binding) for ")); - msg += className; - wxFAIL_MSG(msg); - } -#endif + { 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_baseClassName1; } - const wxChar *GetBaseClassName2() const { return m_baseClassName2; } + 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; } @@ -108,18 +107,16 @@ public: ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) ); } - // Initializes parent pointers and hash table for fast searching. - - static void InitializeClasses(); - - // Cleans up hash table used for fast searching. - - static void CleanUpClasses(); - +#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(); + public: const wxChar *m_className; - const wxChar *m_baseClassName1; - const wxChar *m_baseClassName2; int m_objectSize; wxObjectConstructorFn m_objectConstructor; @@ -143,9 +140,19 @@ private: 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 WXWIN_COMPATIBILITY_2_4 +inline void wxClassInfo::InitializeClasses() {} +inline void wxClassInfo::CleanUpClasses() {} +#endif // ---------------------------------------------------------------------------- // Dynamic class macros @@ -153,9 +160,18 @@ WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name); #define DECLARE_DYNAMIC_CLASS(name) \ public: \ - static wxClassInfo sm_class##name; \ + static wxClassInfo ms_classInfo; \ + static wxObject* wxCreateObject(); \ virtual wxClassInfo *GetClassInfo() const \ - { return &name::sm_class##name; } + { return &name::ms_classInfo; } + +#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) @@ -167,20 +183,23 @@ WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name); // Single inheritance with one base class #define IMPLEMENT_DYNAMIC_CLASS(name, basename) \ - wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name() \ + wxObject* name::wxCreateObject() \ { return new name; } \ - wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename), \ - 0, (int) sizeof(name), \ - (wxObjectConstructorFn) wxConstructorFor##name); + wxClassInfo name::ms_classInfo(wxT(#name), \ + &basename::ms_classInfo, NULL, \ + (int) sizeof(name), \ + (wxObjectConstructorFn) name::wxCreateObject); // Multiple inheritance with two base classes #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ - wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name() \ + wxObject* name::wxCreateObject() \ { return new name; } \ - wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1), \ + wxClassInfo name::ms_classInfo(wxT(#name), \ + &basename1::ms_classInfo, \ + &basename2::ms_classInfo, \ wxT(#basename2), (int) sizeof(name), \ - (wxObjectConstructorFn) wxConstructorFor##name); + (wxObjectConstructorFn) name::wxCreateObject); // ----------------------------------- // for abstract classes @@ -189,19 +208,25 @@ WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name); // Single inheritance with one base class #define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename), \ - 0, (int) sizeof(name), (wxObjectConstructorFn) 0); + wxClassInfo name::ms_classInfo(wxT(#name), \ + &basename::ms_classInfo, 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), wxT(#basename1), \ - wxT(#basename2), (int) sizeof(name), \ + wxClassInfo name::ms_classInfo(wxT(#name), \ + &basename1::ms_classInfo, \ + &basename2::ms_classInfo, \ + (int) sizeof(name), \ (wxObjectConstructorFn) 0); #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 +#endif // !wxUSE_EXTENDED_RTTI + + // ----------------------------------- // for pluggable classes // ----------------------------------- @@ -269,8 +294,7 @@ name##PluginSentinel m_pluginsentinel; #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \ IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) - -#define CLASSINFO(name) (&name::sm_class##name) +#define CLASSINFO(name) (&name::ms_classInfo) #else // !wxUSE_DYNAMIC_CLASSES @@ -302,49 +326,41 @@ name##PluginSentinel m_pluginsentinel; #endif // wxUSE_DYNAMIC_CLASSES - -#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className) +#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 #define wxDynamicCast(obj, className) \ - (className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className) + ((className *) wxCheckDynamicCast((wxObject*)(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::sm_class##className) ? (className *)(this) : (className *)0) + (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0) +#ifdef HAVE_CONST_CAST +#define wxConstCast(obj, className) const_cast(obj) +#else #define wxConstCast(obj, className) ((className *)(obj)) +#endif #ifdef __WXDEBUG__ -inline void wxCheckCast(void *ptr) +inline void* wxCheckCast(void *ptr) { wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") ); + return ptr; } #define wxStaticCast(obj, className) \ - (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj))) + ((className *)wxCheckCast(wxDynamicCast(obj, className))) #else // !__WXDEBUG__ #define wxStaticCast(obj, className) ((className *)(obj)) #endif // __WXDEBUG__ - -// for some reason Borland seems to need this include. -#if wxUSE_STD_IOSTREAM \ - && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) \ - && defined(__BORLANDC__) - #if wxUSE_IOSTREAMH - #include - #else - #include - #endif -#endif // wxUSE_IOSTREAMH - // ---------------------------------------------------------------------------- // set up memory debugging macros // ---------------------------------------------------------------------------- @@ -403,27 +419,26 @@ inline void wxCheckCast(void *ptr) #endif // WXDEBUG && wxUSE_MEMORY_TRACING - // ---------------------------------------------------------------------------- // wxObject: the root class of wxWindows object hierarchy // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxObject +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 ) @@ -467,11 +482,6 @@ public: void operator delete[] (void* buf, const wxChar*, int ); #endif - -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) - virtual void Dump(wxSTD ostream& str); -#endif - // ref counted data handling methods // get/set @@ -506,9 +516,9 @@ protected: // wxObjectRefData: ref counted data meant to be stored in wxObject // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxObjectRefData +class WXDLLIMPEXP_BASE wxObjectRefData { - friend class wxObject; + friend class WXDLLIMPEXP_BASE wxObject; public: wxObjectRefData() : m_count(1) { } @@ -526,6 +536,42 @@ 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 + { + return const_cast((const wxClassInfo*)m_classInfo); + } + + wxObject* GetSuperClassInstance() const + { + return m_superClassInstance ; + } +private : + // removes an existing runtime-property + void RemoveProperty( const wxChar *propertyName ) ; + + // 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 // ----------------------------------------------------------------------------