X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12028905135250524409f1e7b9bfa9c55e5ce16b..93ed8ff7707eec179cf99f2f2f3c36f27916b068:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index 7b954025e5..0b5978bf98 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -26,8 +26,6 @@ class WXDLLIMPEXP_BASE wxObject; -#if wxUSE_DYNAMIC_CLASSES - #ifndef wxUSE_EXTENDED_RTTI #define wxUSE_EXTENDED_RTTI 0 #endif @@ -73,7 +71,7 @@ public: , m_baseInfo1(baseInfo1) , m_baseInfo2(baseInfo2) , m_next(sm_first) - { + { sm_first = this; Register(); } @@ -83,8 +81,10 @@ public: 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 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; } @@ -105,14 +105,14 @@ public: ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) ); } -#ifdef WXWIN_COMPATIBILITY_2_4 +#if WXWIN_COMPATIBILITY_2_4 // Initializes parent pointers and hash table for fast searching. - wxDEPRECATED( static void InitializeClasses() ); + wxDEPRECATED( static void InitializeClasses() ); // Cleans up hash table used for fast searching. - wxDEPRECATED( static void CleanUpClasses() ); + wxDEPRECATED( static void CleanUpClasses() ); #endif static void CleanUp(); - + public: const wxChar *m_className; int m_objectSize; @@ -138,8 +138,8 @@ private: static wxClassInfo *GetBaseByName(const wxChar *name); DECLARE_NO_COPY_CLASS(wxClassInfo) - -protected: + +protected: // registers the class void Register(); void Unregister(); @@ -147,7 +147,7 @@ protected: WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name); -#ifdef WXWIN_COMPATIBILITY_2_4 +#if WXWIN_COMPATIBILITY_2_4 inline void wxClassInfo::InitializeClasses() {} inline void wxClassInfo::CleanUpClasses() {} #endif @@ -156,47 +156,59 @@ inline void wxClassInfo::CleanUpClasses() {} // 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_ABSTRACT_CLASS(name) \ + public: \ + static wxClassInfo ms_classInfo; \ + virtual wxClassInfo *GetClassInfo() const; -#define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \ - DECLARE_NO_ASSIGN_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) \ +#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_DYNAMIC_CLASS(name) \ + DECLARE_ABSTRACT_CLASS(name) \ + static wxObject* wxCreateObject(); + #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(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; } + +#define wxIMPLEMENT_CLASS_COMMON1(name, basename, func) \ + wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func) + +#define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func) \ + wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func) + // ----------------------------------- // 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); +#define IMPLEMENT_DYNAMIC_CLASS(name, basename) \ + wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject) \ + wxObject* name::wxCreateObject() \ + { return new name; } // Multiple inheritance with two base classes - -#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); +#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \ + name::wxCreateObject) \ + wxObject* name::wxCreateObject() \ + { return new name; } // ----------------------------------- // for abstract classes @@ -204,19 +216,13 @@ inline void wxClassInfo::CleanUpClasses() {} // Single inheritance with one base class -#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxClassInfo name::sm_class##name(wxT(#name), \ - &basename::sm_class##basename, NULL, \ - (int) sizeof(name), (wxObjectConstructorFn) 0); +#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \ + wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL) // 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_ABSTRACT_CLASS2(name, basename1, basename2) \ + wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL) #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2 @@ -291,69 +297,41 @@ 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) - -#else // !wxUSE_DYNAMIC_CLASSES +#define CLASSINFO(name) (&name::ms_classInfo) - // 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 - -#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 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) \ - ((className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className)) + ((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. #define wxDynamicCastThis(className) \ - (IsKindOf(&className::sm_class##className) ? (className *)(this) : (className *)0) - -#ifdef HAVE_CONST_CAST -#define wxConstCast(obj, className) const_cast(obj) -#else -#define wxConstCast(obj, className) ((className *)(obj)) -#endif - + (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0) #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)) +#define wxStaticCast(obj, className) \ + wx_const_cast(className *, wx_static_cast(const className *, obj)) #endif // __WXDEBUG__ @@ -413,15 +391,10 @@ inline void wxCheckCast(void *ptr) #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 +#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING // ---------------------------------------------------------------------------- -// wxObject: the root class of wxWindows object hierarchy +// wxObject: the root class of wxWidgets object hierarchy // ---------------------------------------------------------------------------- class WXDLLIMPEXP_BASE wxObject @@ -436,9 +409,9 @@ public: virtual ~wxObject() { UnRef(); } wxObject(const wxObject& other) - { - InitFrom(other); - } + { + InitFrom(other); + } wxObject& operator=(const wxObject& other) { @@ -483,11 +456,6 @@ 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 @@ -500,6 +468,18 @@ public: // destroy a reference void UnRef(); + + // Reserved for future use + virtual void ReservedObjectFunc1() {} + virtual void ReservedObjectFunc2() {} + virtual void ReservedObjectFunc3() {} + virtual void ReservedObjectFunc4() {} + virtual void ReservedObjectFunc5() {} + virtual void ReservedObjectFunc6() {} + virtual void ReservedObjectFunc7() {} + virtual void ReservedObjectFunc8() {} + virtual void ReservedObjectFunc9() {} + 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 @@ -542,6 +522,46 @@ 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 + return wx_const_cast(wxClassInfo *, m_classInfo); +#endif + } + + 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 // ---------------------------------------------------------------------------- @@ -560,6 +580,9 @@ inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo) #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 #endif // _WX_OBJECTH__