mirror of
https://github.com/dolphin-emu/dolphin.git
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d14efe561b
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
470 lines
17 KiB
C++
470 lines
17 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/xti.h
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// Purpose: runtime metadata information (extended class info)
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// Author: Stefan Csomor
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// Modified by: Francesco Montorsi
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// Created: 27/07/03
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// RCS-ID: $Id: xti.h 66646 2011-01-07 22:52:46Z SC $
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// Copyright: (c) 1997 Julian Smart
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// (c) 2003 Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_XTIH__
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#define _WX_XTIH__
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// We want to support properties, event sources and events sinks through
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// explicit declarations, using templates and specialization to make the
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// effort as painless as possible.
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//
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// This means we have the following domains :
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//
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// - Type Information for categorizing built in types as well as custom types
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// this includes information about enums, their values and names
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// - Type safe value storage : a kind of wxVariant, called right now wxAny
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// which will be merged with wxVariant
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// - Property Information and Property Accessors providing access to a class'
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// values and exposed event delegates
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// - Information about event handlers
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// - extended Class Information for accessing all these
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "wx/defs.h"
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#if wxUSE_EXTENDED_RTTI
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class WXDLLIMPEXP_FWD_BASE wxAny;
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class WXDLLIMPEXP_FWD_BASE wxAnyList;
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class WXDLLIMPEXP_FWD_BASE wxObject;
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class WXDLLIMPEXP_FWD_BASE wxString;
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class WXDLLIMPEXP_FWD_BASE wxClassInfo;
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class WXDLLIMPEXP_FWD_BASE wxHashTable;
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class WXDLLIMPEXP_FWD_BASE wxObject;
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class WXDLLIMPEXP_FWD_BASE wxPluginLibrary;
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class WXDLLIMPEXP_FWD_BASE wxHashTable;
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class WXDLLIMPEXP_FWD_BASE wxHashTable_Node;
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class WXDLLIMPEXP_FWD_BASE wxStringToAnyHashMap;
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class WXDLLIMPEXP_FWD_BASE wxPropertyInfoMap;
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class WXDLLIMPEXP_FWD_BASE wxPropertyAccessor;
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class WXDLLIMPEXP_FWD_BASE wxObjectAllocatorAndCreator;
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class WXDLLIMPEXP_FWD_BASE wxObjectAllocator;
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#define wx_dynamic_cast(t, x) dynamic_cast<t>(x)
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#include "wx/xtitypes.h"
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#include "wx/xtihandler.h"
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// ----------------------------------------------------------------------------
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// wxClassInfo
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxObjectFunctor
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{
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public:
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virtual ~wxObjectFunctor();
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// Invoke the actual event handler:
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virtual void operator()(const wxObject *) = 0;
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};
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class WXDLLIMPEXP_FWD_BASE wxPropertyInfo;
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class WXDLLIMPEXP_FWD_BASE wxHandlerInfo;
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typedef wxObject *(*wxObjectConstructorFn)(void);
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typedef wxPropertyInfo *(*wxPropertyInfoFn)(void);
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typedef wxHandlerInfo *(*wxHandlerInfoFn)(void);
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typedef void (*wxVariantToObjectConverter)( const wxAny &data, wxObjectFunctor* fn );
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typedef wxObject* (*wxVariantToObjectPtrConverter) ( const wxAny& data);
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typedef wxAny (*wxObjectToVariantConverter)( wxObject* );
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WXDLLIMPEXP_BASE wxString wxAnyGetAsString( const wxAny& data);
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WXDLLIMPEXP_BASE const wxObject* wxAnyGetAsObjectPtr( const wxAny& data);
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class WXDLLIMPEXP_BASE wxObjectWriter;
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class WXDLLIMPEXP_BASE wxObjectWriterCallback;
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typedef bool (*wxObjectStreamingCallback) ( const wxObject *, wxObjectWriter *, \
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wxObjectWriterCallback *, const wxStringToAnyHashMap & );
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class WXDLLIMPEXP_BASE wxClassInfo
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{
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friend class WXDLLIMPEXP_BASE wxPropertyInfo;
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friend class WXDLLIMPEXP_BASE wxHandlerInfo;
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friend wxObject *wxCreateDynamicObject(const wxString& name);
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public:
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wxClassInfo(const wxClassInfo **_Parents,
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const wxChar *_UnitName,
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const wxChar *_ClassName,
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int size,
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wxObjectConstructorFn ctor,
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wxPropertyInfoFn _Props,
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wxHandlerInfoFn _Handlers,
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wxObjectAllocatorAndCreator* _Constructor,
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const wxChar ** _ConstructorProperties,
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const int _ConstructorPropertiesCount,
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wxVariantToObjectPtrConverter _PtrConverter1,
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wxVariantToObjectConverter _Converter2,
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wxObjectToVariantConverter _Converter3,
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wxObjectStreamingCallback _streamingCallback = NULL) :
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m_className(_ClassName),
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m_objectSize(size),
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m_objectConstructor(ctor),
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m_next(sm_first),
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m_firstPropertyFn(_Props),
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m_firstHandlerFn(_Handlers),
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m_firstProperty(NULL),
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m_firstHandler(NULL),
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m_firstInited(false),
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m_parents(_Parents),
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m_unitName(_UnitName),
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m_constructor(_Constructor),
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m_constructorProperties(_ConstructorProperties),
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m_constructorPropertiesCount(_ConstructorPropertiesCount),
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m_variantOfPtrToObjectConverter(_PtrConverter1),
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m_variantToObjectConverter(_Converter2),
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m_objectToVariantConverter(_Converter3),
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m_streamingCallback(_streamingCallback)
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{
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sm_first = this;
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Register();
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}
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wxClassInfo(const wxChar *_UnitName, const wxChar *_ClassName,
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const wxClassInfo **_Parents) :
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m_className(_ClassName),
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m_objectSize(0),
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m_objectConstructor(NULL),
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m_next(sm_first),
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m_firstPropertyFn(NULL),
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m_firstHandlerFn(NULL),
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m_firstProperty(NULL),
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m_firstHandler(NULL),
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m_firstInited(true),
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m_parents(_Parents),
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m_unitName(_UnitName),
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m_constructor(NULL),
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m_constructorProperties(NULL),
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m_constructorPropertiesCount(0),
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m_variantOfPtrToObjectConverter(NULL),
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m_variantToObjectConverter(NULL),
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m_objectToVariantConverter(NULL),
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m_streamingCallback(NULL)
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{
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sm_first = this;
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Register();
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}
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// ctor compatible with old RTTI system
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wxClassInfo(const wxChar *_ClassName,
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const wxClassInfo *_Parent1,
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const wxClassInfo *_Parent2,
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int size,
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wxObjectConstructorFn ctor) :
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m_className(_ClassName),
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m_objectSize(size),
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m_objectConstructor(ctor),
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m_next(sm_first),
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m_firstPropertyFn(NULL),
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m_firstHandlerFn(NULL),
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m_firstProperty(NULL),
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m_firstHandler(NULL),
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m_firstInited(true),
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m_parents(NULL),
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m_unitName(NULL),
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m_constructor(NULL),
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m_constructorProperties(NULL),
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m_constructorPropertiesCount(0),
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m_variantOfPtrToObjectConverter(NULL),
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m_variantToObjectConverter(NULL),
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m_objectToVariantConverter(NULL),
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m_streamingCallback(NULL)
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{
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sm_first = this;
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m_parents[0] = _Parent1;
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m_parents[1] = _Parent2;
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m_parents[2] = NULL;
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Register();
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}
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virtual ~wxClassInfo();
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// allocates an instance of this class, this object does not have to be
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// initialized or fully constructed as this call will be followed by a call to Create
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virtual wxObject *AllocateObject() const
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{ return m_objectConstructor ? (*m_objectConstructor)() : 0; }
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// 'old naming' for AllocateObject staying here for backward compatibility
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wxObject *CreateObject() const { return AllocateObject(); }
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// direct construction call for classes that cannot construct instances via alloc/create
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wxObject *ConstructObject(int ParamCount, wxAny *Params) const;
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bool NeedsDirectConstruction() const;
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const wxChar *GetClassName() const
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{ return m_className; }
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const wxChar *GetBaseClassName1() const
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{ return m_parents[0] ? m_parents[0]->GetClassName() : NULL; }
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const wxChar *GetBaseClassName2() const
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{ return (m_parents[0] && m_parents[1]) ? m_parents[1]->GetClassName() : NULL; }
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const wxClassInfo *GetBaseClass1() const
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{ return m_parents[0]; }
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const wxClassInfo *GetBaseClass2() const
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{ return m_parents[0] ? m_parents[1] : NULL; }
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const wxChar *GetIncludeName() const
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{ return m_unitName; }
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const wxClassInfo **GetParents() const
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{ return m_parents; }
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int GetSize() const
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{ return m_objectSize; }
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bool IsDynamic() const
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{ return (NULL != m_objectConstructor); }
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wxObjectConstructorFn GetConstructor() const
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{ return m_objectConstructor; }
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const wxClassInfo *GetNext() const
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{ return m_next; }
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// statics:
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static void CleanUp();
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static wxClassInfo *FindClass(const wxString& className);
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static const wxClassInfo *GetFirst()
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{ return sm_first; }
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// Climb upwards through inheritance hierarchy.
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// Dual inheritance is catered for.
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bool IsKindOf(const wxClassInfo *info) const;
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wxDECLARE_CLASS_INFO_ITERATORS();
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// if there is a callback registered with that class it will be called
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// before this object will be written to disk, it can veto streaming out
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// this object by returning false, if this class has not registered a
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// callback, the search will go up the inheritance tree if no callback has
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// been registered true will be returned by default
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bool BeforeWriteObject( const wxObject *obj, wxObjectWriter *streamer,
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wxObjectWriterCallback *writercallback, const wxStringToAnyHashMap &metadata) const;
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// gets the streaming callback from this class or any superclass
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wxObjectStreamingCallback GetStreamingCallback() const;
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// returns the first property
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wxPropertyInfo* GetFirstProperty() const
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{ EnsureInfosInited(); return m_firstProperty; }
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// returns the first handler
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wxHandlerInfo* GetFirstHandler() const
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{ EnsureInfosInited(); return m_firstHandler; }
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// Call the Create upon an instance of the class, in the end the object is fully
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// initialized
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virtual bool Create (wxObject *object, int ParamCount, wxAny *Params) const;
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// get number of parameters for constructor
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virtual int GetCreateParamCount() const
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{ return m_constructorPropertiesCount; }
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// get n-th constructor parameter
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virtual const wxChar* GetCreateParamName(int n) const
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{ return m_constructorProperties[n]; }
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// Runtime access to objects for simple properties (get/set) by property
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// name and variant data
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virtual void SetProperty (wxObject *object, const wxChar *propertyName,
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const wxAny &value) const;
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virtual wxAny GetProperty (wxObject *object, const wxChar *propertyName) const;
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// Runtime access to objects for collection properties by property name
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virtual wxAnyList GetPropertyCollection(wxObject *object,
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const wxChar *propertyName) const;
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virtual void AddToPropertyCollection(wxObject *object, const wxChar *propertyName,
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const wxAny& value) const;
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// we must be able to cast variants to wxObject pointers, templates seem
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// not to be suitable
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void CallOnAny( const wxAny &data, wxObjectFunctor* functor ) const;
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wxObject* AnyToObjectPtr( const wxAny &data) const;
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wxAny ObjectPtrToAny( wxObject *object ) const;
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// find property by name
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virtual const wxPropertyInfo *FindPropertyInfo (const wxChar *PropertyName) const;
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// find handler by name
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virtual const wxHandlerInfo *FindHandlerInfo (const wxChar *handlerName) const;
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// find property by name
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virtual wxPropertyInfo *FindPropertyInfoInThisClass (const wxChar *PropertyName) const;
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// find handler by name
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virtual wxHandlerInfo *FindHandlerInfoInThisClass (const wxChar *handlerName) const;
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// puts all the properties of this class and its superclasses in the map,
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// as long as there is not yet an entry with the same name (overriding mechanism)
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void GetProperties( wxPropertyInfoMap &map ) const;
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private:
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const wxChar *m_className;
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int m_objectSize;
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wxObjectConstructorFn m_objectConstructor;
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// class info object live in a linked list:
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// pointers to its head and the next element in it
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static wxClassInfo *sm_first;
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wxClassInfo *m_next;
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static wxHashTable *sm_classTable;
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wxPropertyInfoFn m_firstPropertyFn;
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wxHandlerInfoFn m_firstHandlerFn;
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mutable bool m_firstInited;
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protected:
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void EnsureInfosInited() const
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{
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if ( !m_firstInited)
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{
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if ( m_firstPropertyFn != NULL)
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m_firstProperty = (*m_firstPropertyFn)();
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if ( m_firstHandlerFn != NULL)
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m_firstHandler = (*m_firstHandlerFn)();
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m_firstInited = true;
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}
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}
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mutable wxPropertyInfo* m_firstProperty;
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mutable wxHandlerInfo* m_firstHandler;
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private:
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const wxClassInfo** m_parents;
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const wxChar* m_unitName;
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wxObjectAllocatorAndCreator* m_constructor;
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const wxChar ** m_constructorProperties;
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const int m_constructorPropertiesCount;
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wxVariantToObjectPtrConverter m_variantOfPtrToObjectConverter;
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wxVariantToObjectConverter m_variantToObjectConverter;
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wxObjectToVariantConverter m_objectToVariantConverter;
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wxObjectStreamingCallback m_streamingCallback;
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const wxPropertyAccessor *FindAccessor (const wxChar *propertyName) const;
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protected:
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// registers the class
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void Register();
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void Unregister();
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DECLARE_NO_COPY_CLASS(wxClassInfo)
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};
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WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
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// ----------------------------------------------------------------------------
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// wxDynamicClassInfo
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// ----------------------------------------------------------------------------
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// this object leads to having a pure runtime-instantiation
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class WXDLLIMPEXP_BASE wxDynamicClassInfo : public wxClassInfo
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{
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friend class WXDLLIMPEXP_BASE wxDynamicObject;
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public:
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wxDynamicClassInfo( const wxChar *_UnitName, const wxChar *_ClassName,
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const wxClassInfo* superClass );
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virtual ~wxDynamicClassInfo();
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// constructs a wxDynamicObject with an instance
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virtual wxObject *AllocateObject() const;
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// Call the Create method for a class
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virtual bool Create (wxObject *object, int ParamCount, wxAny *Params) const;
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// get number of parameters for constructor
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virtual int GetCreateParamCount() const;
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// get i-th constructor parameter
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virtual const wxChar* GetCreateParamName(int i) const;
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// Runtime access to objects by property name, and variant data
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virtual void SetProperty (wxObject *object, const wxChar *PropertyName,
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const wxAny &Value) const;
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virtual wxAny GetProperty (wxObject *object, const wxChar *PropertyName) const;
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// adds a property to this class at runtime
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void AddProperty( const wxChar *propertyName, const wxTypeInfo* typeInfo );
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// removes an existing runtime-property
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void RemoveProperty( const wxChar *propertyName );
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// renames an existing runtime-property
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void RenameProperty( const wxChar *oldPropertyName, const wxChar *newPropertyName );
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// as a handler to this class at runtime
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void AddHandler( const wxChar *handlerName, wxObjectEventFunction address,
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const wxClassInfo* eventClassInfo );
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// removes an existing runtime-handler
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void RemoveHandler( const wxChar *handlerName );
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// renames an existing runtime-handler
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void RenameHandler( const wxChar *oldHandlerName, const wxChar *newHandlerName );
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private:
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struct wxDynamicClassInfoInternal;
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wxDynamicClassInfoInternal* m_data;
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};
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// ----------------------------------------------------------------------------
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// wxDECLARE class macros
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// ----------------------------------------------------------------------------
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#define _DECLARE_DYNAMIC_CLASS(name) \
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public: \
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static wxClassInfo ms_classInfo; \
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static const wxClassInfo* ms_classParents[]; \
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static wxPropertyInfo* GetPropertiesStatic(); \
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static wxHandlerInfo* GetHandlersStatic(); \
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static wxClassInfo *GetClassInfoStatic() \
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{ return &name::ms_classInfo; } \
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virtual wxClassInfo *GetClassInfo() const \
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{ return &name::ms_classInfo; }
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#define wxDECLARE_DYNAMIC_CLASS(name) \
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static wxObjectAllocatorAndCreator* ms_constructor; \
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static const wxChar * ms_constructorProperties[]; \
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static const int ms_constructorPropertiesCount; \
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_DECLARE_DYNAMIC_CLASS(name)
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#define wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \
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wxDECLARE_NO_ASSIGN_CLASS(name); \
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wxDECLARE_DYNAMIC_CLASS(name)
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#define wxDECLARE_DYNAMIC_CLASS_NO_COPY(name) \
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wxDECLARE_NO_COPY_CLASS(name); \
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wxDECLARE_DYNAMIC_CLASS(name)
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#define wxDECLARE_CLASS(name) \
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wxDECLARE_DYNAMIC_CLASS(name)
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#define wxDECLARE_ABSTRACT_CLASS(name) _DECLARE_DYNAMIC_CLASS(name)
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#define wxCLASSINFO(name) (&name::ms_classInfo)
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#endif // wxUSE_EXTENDED_RTTI
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#endif // _WX_XTIH__
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