X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ce00f59b5b169752d2f05ce3bb1a88ddc1b38b4c..d642db66a5efc82d374b813022c72ba88bc50839:/include/wx/object.h diff --git a/include/wx/object.h b/include/wx/object.h index 80fbae4d2b..cb9d8f8c98 100644 --- a/include/wx/object.h +++ b/include/wx/object.h @@ -19,226 +19,49 @@ #include "wx/memory.h" -class WXDLLIMPEXP_FWD_BASE wxObject; -class WXDLLIMPEXP_FWD_BASE wxString; - -#ifndef wxUSE_EXTENDED_RTTI -#define wxUSE_EXTENDED_RTTI 0 -#endif - #define wxDECLARE_CLASS_INFO_ITERATORS() \ - class WXDLLIMPEXP_BASE const_iterator \ +class WXDLLIMPEXP_BASE const_iterator \ { \ - typedef wxHashTable_Node Node; \ + 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; \ + 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 \ + 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 \ + bool operator==(const itor& it) const \ { return it.m_node == m_node; } \ }; \ - \ + \ static const_iterator begin_classinfo(); \ static const_iterator end_classinfo() -#if wxUSE_EXTENDED_RTTI +// 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" -#else - -// ---------------------------------------------------------------------------- -// conditional compilation -// ---------------------------------------------------------------------------- - -class WXDLLIMPEXP_FWD_BASE wxClassInfo; -class WXDLLIMPEXP_FWD_BASE wxHashTable; -class WXDLLIMPEXP_FWD_BASE wxObject; -class WXDLLIMPEXP_FWD_BASE wxPluginLibrary; -class WXDLLIMPEXP_FWD_BASE wxHashTable_Node; - -// ---------------------------------------------------------------------------- -// wxClassInfo -// ---------------------------------------------------------------------------- - -typedef wxObject *(*wxObjectConstructorFn)(void); - -class WXDLLIMPEXP_BASE wxClassInfo -{ - friend class WXDLLIMPEXP_FWD_BASE wxObject; - friend WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name); -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() const - { return m_objectConstructor ? (*m_objectConstructor)() : 0; } - bool IsDynamic() const { return (NULL != m_objectConstructor); } - - const wxChar *GetClassName() const { return m_className; } - 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; } - - wxObjectConstructorFn GetConstructor() const - { return m_objectConstructor; } - static const wxClassInfo *GetFirst() { return sm_first; } - const wxClassInfo *GetNext() const { return m_next; } - static wxClassInfo *FindClass(const wxString& 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) ) ); - } - - wxDECLARE_CLASS_INFO_ITERATORS(); - -private: - const wxChar *m_className; - int m_objectSize; - wxObjectConstructorFn m_objectConstructor; - - // Pointers to base wxClassInfos - - 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; - -protected: - // registers the class - void Register(); - void Unregister(); - - wxDECLARE_NO_COPY_CLASS(wxClassInfo); -}; - -WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name); - -// ---------------------------------------------------------------------------- -// Dynamic class macros -// ---------------------------------------------------------------------------- - -#define wxDECLARE_ABSTRACT_CLASS(name) \ - public: \ - static wxClassInfo ms_classInfo; \ - virtual wxClassInfo *GetClassInfo() const - -#define wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \ - wxDECLARE_NO_ASSIGN_CLASS(name); \ - wxDECLARE_DYNAMIC_CLASS(name) - -#define wxDECLARE_DYNAMIC_CLASS_NO_COPY(name) \ - wxDECLARE_NO_COPY_CLASS(name); \ - wxDECLARE_DYNAMIC_CLASS(name) - -#define wxDECLARE_DYNAMIC_CLASS(name) \ - wxDECLARE_ABSTRACT_CLASS(name); \ - static wxObject* wxCreateObject() - -#define wxDECLARE_CLASS(name) \ - wxDECLARE_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), \ - 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 wxIMPLEMENT_DYNAMIC_CLASS(name, basename) \ - wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject) \ - wxObject* name::wxCreateObject() \ - { return new name; } - - // Multiple inheritance with two base classes -#define wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \ - wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \ - name::wxCreateObject) \ - wxObject* name::wxCreateObject() \ - { return new name; } - -// ----------------------------------- -// for abstract classes -// ----------------------------------- - - // Single inheritance with one base class -#define wxIMPLEMENT_ABSTRACT_CLASS(name, basename) \ - wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL) - - // Multiple inheritance with two base classes -#define wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \ - wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL) +#include "wx/rtti.h" #define wxIMPLEMENT_CLASS(name, basename) \ wxIMPLEMENT_ABSTRACT_CLASS(name, basename) #define wxIMPLEMENT_CLASS2(name, basename1, basename2) \ - IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) - -#endif // !wxUSE_EXTENDED_RTTI - + wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) // ----------------------------------- // for pluggable classes @@ -372,9 +195,8 @@ inline T *wxCheckCast(const void *ptr, T * = NULL) #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET #endif -// Only VC++ 6 and CodeWarrior get overloaded delete that matches new -#if (defined(__VISUALC__) && (__VISUALC__ >= 1200)) || \ - (defined(__MWERKS__) && (__MWERKS__ >= 0x2400)) +// Only VC++ 6 gets overloaded delete that matches new +#if (defined(__VISUALC__) && (__VISUALC__ >= 1200)) #define _WX_WANT_DELETE_VOID_WXCHAR_INT #endif @@ -390,16 +212,29 @@ inline T *wxCheckCast(const void *ptr, T * = NULL) #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 // 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" // ---------------------------------------------------------------------------- @@ -422,6 +257,12 @@ protected: private: // our refcount: int m_count; + + // 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); }; // ---------------------------------------------------------------------------- @@ -430,7 +271,6 @@ private: typedef wxRefCounter wxObjectRefData; - // ---------------------------------------------------------------------------- // wxObjectDataPtr: helper class to avoid memleaks because of missing calls // to wxObjectRefData::DecRef @@ -611,46 +451,7 @@ 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_FWD_BASE wxDynamicClassInfo ; -public: - // instantiates this object with an instance of its superclass - wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) ; - virtual ~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 - wxDynamicClassInfo *nonconst = const_cast(m_classInfo); - return static_cast(nonconst); -#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 +#include "wx/xti2.h" // ---------------------------------------------------------------------------- // more debugging macros @@ -669,20 +470,13 @@ private : #endif // wxUSE_DEBUG_NEW_ALWAYS // ---------------------------------------------------------------------------- -// Compatibility macro aliases +// 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 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 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) @@ -690,11 +484,6 @@ private : #define IMPLEMENT_CLASS(n,b) wxIMPLEMENT_CLASS(n,b) #define IMPLEMENT_CLASS2(n,b1,b2) wxIMPLEMENT_CLASS2(n,b1,b2) -#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); - #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)