570 lines
21 KiB
C
570 lines
21 KiB
C
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Name: wx/object.h
|
||
|
|
// Purpose: wxObject class, plus run-time type information macros
|
||
|
|
// Author: Julian Smart
|
||
|
|
// Modified by: Ron Lee
|
||
|
|
// Created: 01/02/97
|
||
|
|
// RCS-ID: $Id: object.h 42776 2006-10-30 22:03:53Z VZ $
|
||
|
|
// Copyright: (c) 1997 Julian Smart
|
||
|
|
// (c) 2001 Ron Lee <ron@debian.org>
|
||
|
|
// Licence: wxWindows licence
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef _WX_OBJECTH__
|
||
|
|
#define _WX_OBJECTH__
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// headers
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#include "wx/memory.h"
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_BASE wxObject;
|
||
|
|
|
||
|
|
#ifndef wxUSE_EXTENDED_RTTI
|
||
|
|
#define wxUSE_EXTENDED_RTTI 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if wxUSE_EXTENDED_RTTI
|
||
|
|
#include "wx/xti.h"
|
||
|
|
#else
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// conditional compilation
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_BASE wxClassInfo;
|
||
|
|
class WXDLLIMPEXP_BASE wxHashTable;
|
||
|
|
class WXDLLIMPEXP_BASE wxObjectRefData;
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// wxClassInfo
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
typedef wxObject *(*wxObjectConstructorFn)(void);
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_BASE wxClassInfo
|
||
|
|
{
|
||
|
|
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 wxChar *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) ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
#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
|
||
|
|
|
||
|
|
public:
|
||
|
|
const wxChar *m_className;
|
||
|
|
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;
|
||
|
|
|
||
|
|
// FIXME: this should be private (currently used directly by way too
|
||
|
|
// many clients)
|
||
|
|
static wxHashTable *sm_classTable;
|
||
|
|
|
||
|
|
private:
|
||
|
|
// InitializeClasses() helper
|
||
|
|
static wxClassInfo *GetBaseByName(const wxChar *name);
|
||
|
|
|
||
|
|
DECLARE_NO_COPY_CLASS(wxClassInfo)
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// registers the class
|
||
|
|
void Register();
|
||
|
|
void Unregister();
|
||
|
|
};
|
||
|
|
|
||
|
|
WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
|
||
|
|
|
||
|
|
#if WXWIN_COMPATIBILITY_2_4
|
||
|
|
inline void wxClassInfo::InitializeClasses() {}
|
||
|
|
inline void wxClassInfo::CleanUpClasses() {}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// Dynamic class macros
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#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) \
|
||
|
|
DECLARE_DYNAMIC_CLASS(name)
|
||
|
|
|
||
|
|
#define DECLARE_DYNAMIC_CLASS_NO_COPY(name) \
|
||
|
|
DECLARE_NO_COPY_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) \
|
||
|
|
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) \
|
||
|
|
wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \
|
||
|
|
name::wxCreateObject) \
|
||
|
|
wxObject* name::wxCreateObject() \
|
||
|
|
{ return new name; }
|
||
|
|
|
||
|
|
// -----------------------------------
|
||
|
|
// for abstract classes
|
||
|
|
// -----------------------------------
|
||
|
|
|
||
|
|
// Single inheritance with one base class
|
||
|
|
|
||
|
|
#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) \
|
||
|
|
wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL)
|
||
|
|
|
||
|
|
#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
|
||
|
|
#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
|
||
|
|
|
||
|
|
#endif // !wxUSE_EXTENDED_RTTI
|
||
|
|
|
||
|
|
|
||
|
|
// -----------------------------------
|
||
|
|
// 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
|
||
|
|
|
||
|
|
#define _DECLARE_DL_SENTINEL(name)
|
||
|
|
#define _IMPLEMENT_DL_SENTINEL(name)
|
||
|
|
|
||
|
|
#endif // wxUSE_NESTED_CLASSES
|
||
|
|
|
||
|
|
#define DECLARE_PLUGGABLE_CLASS(name) \
|
||
|
|
DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
|
||
|
|
#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name) \
|
||
|
|
DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
|
||
|
|
|
||
|
|
#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
|
||
|
|
DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
|
||
|
|
#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo) \
|
||
|
|
DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
|
||
|
|
|
||
|
|
#define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \
|
||
|
|
IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
|
||
|
|
#define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) \
|
||
|
|
IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
|
||
|
|
#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
|
||
|
|
IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
|
||
|
|
#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \
|
||
|
|
IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
|
||
|
|
|
||
|
|
#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
|
||
|
|
IMPLEMENT_PLUGGABLE_CLASS(name, basename)
|
||
|
|
#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2) \
|
||
|
|
IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
|
||
|
|
#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
|
||
|
|
IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
|
||
|
|
#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \
|
||
|
|
IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
|
||
|
|
|
||
|
|
#define CLASSINFO(name) (&name::ms_classInfo)
|
||
|
|
|
||
|
|
#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::ms_classInfo)
|
||
|
|
|
||
|
|
// 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( \
|
||
|
|
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::ms_classInfo) ? (className *)(this) : (className *)0)
|
||
|
|
|
||
|
|
#ifdef __WXDEBUG__
|
||
|
|
inline void* wxCheckCast(void *ptr)
|
||
|
|
{
|
||
|
|
wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
|
||
|
|
return ptr;
|
||
|
|
}
|
||
|
|
#define wxStaticCast(obj, className) \
|
||
|
|
((className *)wxCheckCast(wxDynamicCast(obj, className)))
|
||
|
|
|
||
|
|
#else // !__WXDEBUG__
|
||
|
|
#define wxStaticCast(obj, className) \
|
||
|
|
wx_const_cast(className *, wx_static_cast(const className *, obj))
|
||
|
|
|
||
|
|
#endif // __WXDEBUG__
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// set up memory debugging macros
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/*
|
||
|
|
Which new/delete operator variants do we want?
|
||
|
|
|
||
|
|
_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 )
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
|
||
|
|
|
||
|
|
// All compilers get this one
|
||
|
|
#define _WX_WANT_NEW_SIZET_WXCHAR_INT
|
||
|
|
|
||
|
|
// Everyone except Visage gets the next one
|
||
|
|
#ifndef __VISAGECPP__
|
||
|
|
#define _WX_WANT_DELETE_VOID
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Only visage gets this one under the correct circumstances
|
||
|
|
#if defined(__VISAGECPP__) && __DEBUG_ALLOC__
|
||
|
|
#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))
|
||
|
|
#define _WX_WANT_DELETE_VOID_WXCHAR_INT
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Now see who (if anyone) gets the array memory operators
|
||
|
|
#if wxUSE_ARRAY_MEMORY_OPERATORS
|
||
|
|
|
||
|
|
// Everyone except Visual C++ (cause problems for VC++ - crashes)
|
||
|
|
#if !defined(__VISUALC__)
|
||
|
|
#define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Everyone except Visual C++ (cause problems for VC++ - crashes)
|
||
|
|
#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 // __WXDEBUG__ && wxUSE_MEMORY_TRACING
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// wxObjectRefData: ref counted data meant to be stored in wxObject
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_BASE wxObjectRefData
|
||
|
|
{
|
||
|
|
friend class WXDLLIMPEXP_BASE wxObject;
|
||
|
|
|
||
|
|
public:
|
||
|
|
wxObjectRefData() : m_count(1) { }
|
||
|
|
virtual ~wxObjectRefData() { }
|
||
|
|
|
||
|
|
int GetRefCount() const { return m_count; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
int m_count;
|
||
|
|
};
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// wxObject: the root class of wxWidgets object hierarchy
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_BASE wxObject
|
||
|
|
{
|
||
|
|
DECLARE_ABSTRACT_CLASS(wxObject)
|
||
|
|
|
||
|
|
public:
|
||
|
|
wxObject() { m_refData = NULL; }
|
||
|
|
virtual ~wxObject() { UnRef(); }
|
||
|
|
|
||
|
|
wxObject(const wxObject& other)
|
||
|
|
{
|
||
|
|
m_refData = other.m_refData;
|
||
|
|
if (m_refData)
|
||
|
|
m_refData->m_count++;
|
||
|
|
}
|
||
|
|
|
||
|
|
wxObject& operator=(const wxObject& other)
|
||
|
|
{
|
||
|
|
if ( this != &other )
|
||
|
|
{
|
||
|
|
Ref(other);
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IsKindOf(wxClassInfo *info) const;
|
||
|
|
|
||
|
|
|
||
|
|
// Turn on the correct set of new and delete operators
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
|
||
|
|
void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_DELETE_VOID
|
||
|
|
void operator delete ( void * buf );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
|
||
|
|
void operator delete ( void *buf, const char *_fname, size_t _line );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT
|
||
|
|
void operator delete ( void *buf, const wxChar*, int );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
|
||
|
|
void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_ARRAY_DELETE_VOID
|
||
|
|
void operator delete[] ( void *buf );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
|
||
|
|
void operator delete[] (void* buf, const wxChar*, int );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// ref counted data handling methods
|
||
|
|
|
||
|
|
// get/set
|
||
|
|
wxObjectRefData *GetRefData() const { return m_refData; }
|
||
|
|
void SetRefData(wxObjectRefData *data) { m_refData = data; }
|
||
|
|
|
||
|
|
// make a 'clone' of the object
|
||
|
|
void Ref(const wxObject& clone);
|
||
|
|
|
||
|
|
// destroy a reference
|
||
|
|
void UnRef();
|
||
|
|
|
||
|
|
// Make sure this object has only one reference
|
||
|
|
void UnShare() { AllocExclusive(); }
|
||
|
|
|
||
|
|
// check if this object references the same data as the other one
|
||
|
|
bool IsSameAs(const wxObject& o) const { return m_refData == o.m_refData; }
|
||
|
|
|
||
|
|
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();
|
||
|
|
|
||
|
|
// both methods must be implemented if AllocExclusive() is used, not pure
|
||
|
|
// virtual only because of the backwards compatibility reasons
|
||
|
|
|
||
|
|
// create a new m_refData
|
||
|
|
virtual wxObjectRefData *CreateRefData() const;
|
||
|
|
|
||
|
|
// create a new m_refData initialized with the given one
|
||
|
|
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
|
||
|
|
|
||
|
|
wxObjectRefData *m_refData;
|
||
|
|
};
|
||
|
|
|
||
|
|
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) ;
|
||
|
|
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
|
||
|
|
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
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
// 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.
|
||
|
|
|
||
|
|
#ifdef __WXDEBUG__
|
||
|
|
#define WXDEBUG_NEW new(__TFILE__,__LINE__)
|
||
|
|
|
||
|
|
#if wxUSE_DEBUG_NEW_ALWAYS
|
||
|
|
#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
|
||
|
|
#else // !__WXDEBUG__
|
||
|
|
#define WXDEBUG_NEW new
|
||
|
|
#endif // __WXDEBUG__/!__WXDEBUG__
|
||
|
|
|
||
|
|
#endif // _WX_OBJECTH__
|