b2aef89b7a
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@218 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
270 lines
7.0 KiB
C++
270 lines
7.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: object.h
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// Purpose: wxObject class, plus run-time type information macros
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __OBJECTH__
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#define __OBJECTH__
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#ifdef __GNUG__
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#pragma interface "object.h"
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#endif
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#include "wx/defs.h"
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class WXDLLEXPORT wxObject;
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#if USE_DYNAMIC_CLASSES
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#ifdef __GNUWIN32__
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#ifdef GetClassName
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#undef GetClassName
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#endif
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#endif
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class WXDLLEXPORT wxClassInfo;
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class WXDLLIMPORT istream;
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class WXDLLIMPORT ostream;
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/*
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* Dynamic object system declarations
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*/
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typedef wxObject * (*wxObjectConstructorFn) (void);
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#ifdef USE_STORABLE_CLASSES
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typedef wxObject* (*wxStorableConstructorFn) ( istream &stream, char *data );
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#endif
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class WXDLLEXPORT wxClassInfo
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{
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public:
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char *className;
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char *baseClassName1;
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char *baseClassName2;
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int objectSize;
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wxObjectConstructorFn objectConstructor;
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#ifdef USE_STORABLE_CLASSES
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wxStorableConstructorFn storableConstructor;
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#endif
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// Pointers to base wxClassInfos: set in InitializeClasses
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// called from wx_main.cc
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wxClassInfo *baseInfo1;
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wxClassInfo *baseInfo2;
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static wxClassInfo *first;
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wxClassInfo *next;
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#ifdef USE_STORABLE_CLASSES
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wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn fn,
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wxStorableConstructorFn stoFn = NULL );
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#else
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wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn fn);
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#endif
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wxObject *CreateObject(void);
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#ifdef USE_STORABLE_CLASSES
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wxObject* CreateObject( istream &stream, char *data );
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#endif
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inline char *GetClassName(void) const { return className; }
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inline char *GetBaseClassName1(void) const { return baseClassName1; }
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inline char *GetBaseClassName2(void) const { return baseClassName2; }
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inline int GetSize(void) const { return objectSize; }
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bool IsKindOf(wxClassInfo *info);
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static wxClassInfo *FindClass(char *c);
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// Initializes parent pointers for fast searching.
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static void InitializeClasses(void);
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};
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wxObject* WXDLLEXPORT wxCreateDynamicObject(char *name);
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#ifdef USE_STORABLE_CLASSES
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wxObject* WXDLLEXPORT wxCreateStoredObject( char *name, istream &stream, char *data );
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#endif
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#define DECLARE_DYNAMIC_CLASS(name) \
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public:\
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static wxClassInfo class##name;\
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wxClassInfo *GetClassInfo() \
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{ return &name::class##name; }
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#define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
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#define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
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#ifdef USE_STORABLE_CLASSES
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#define DECLARE_STORABLECLASS(name) DECLARE_DYNAMIC_CLASS(name)
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#endif
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//////
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////// for concrete classes
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//////
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// Single inheritance with one base class
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#define IMPLEMENT_DYNAMIC_CLASS(name, basename) \
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wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
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{ return new name; }\
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wxClassInfo name::class##name(#name, #basename, NULL, sizeof(name), wxConstructorFor##name);
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// Multiple inheritance with two base classes
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#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \
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wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
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{ return new name; }\
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wxClassInfo name::class##name(#name, #basename1, #basename2, sizeof(name), wxConstructorFor##name);
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//////
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////// for storable classes
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//////
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#ifdef USE_STORABLE_CLASSES
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#define IMPLEMENT_STORABLE_CLASS(name, basename) \
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wxObject* WXDLLEXPORT_CTORFN wxStorableConstructorFor##name( istream* stream, char* data )\
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{ return new name( stream, data ); }\
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wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void)\
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{ return new name; }\
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wxClassInfo name::class##name(#name, #basename, NULL, sizeof(name), wxConstructorFor##name,\
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wxStorableConstructorFor##name );
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#define IMPLEMENT_STORABLE_CLASS2(name, basename1, basename2) \
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wxObject* WXDLLEXPORT_CTORFN wxStorableConstructorFor##name( istream* stream, char* data )\
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{ return new name( stream, data ); }\
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wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void)\
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{ return new name; }\
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wxClassInfo name::class##name(#name, #basename1, basename2, sizeof(name), wxConstructorFor##name,\
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wxStorableConstructorFor##name );
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#endif
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//////
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////// for abstract classes
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//////
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// Single inheritance with one base class
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#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \
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wxClassInfo name::class##name(#name, #basename, NULL, sizeof(name), NULL);
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// Multiple inheritance with two base classes
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#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \
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wxClassInfo name::class##name(#name, #basename1, #basename2, sizeof(name), NULL);
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#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
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#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
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#define CLASSINFO(name) (&name::class##name)
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#else
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// No dynamic class system: so stub out the macros
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#define DECLARE_DYNAMIC_CLASS(name)
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#define DECLARE_ABSTRACT_CLASS(name)
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#define DECLARE_CLASS(name)
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#define IMPLEMENT_DYNAMIC_CLASS(name, basename)
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#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)
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#define IMPLEMENT_ABSTRACT_CLASS(name, basename)
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#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)
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#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
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#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
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#endif
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#define IS_KIND_OF(obj, className) obj->IsKindOf(&className::class##name)
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// Unfortunately Borland seems to need this include.
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#ifdef __BORLANDC__
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#if USE_IOSTREAMH
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#include <iostream.h>
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#else
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#include <iostream>
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#endif
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#endif
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class WXDLLEXPORT wxObjectRefData;
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class WXDLLEXPORT wxObject
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{
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public:
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// This is equivalent to using the macro DECLARE_ABSTRACT_CLASS
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static wxClassInfo classwxObject;
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wxObject(void);
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virtual ~wxObject(void);
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virtual wxClassInfo *GetClassInfo(void) { return &classwxObject; }
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bool IsKindOf(wxClassInfo *info);
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#if WXDEBUG && USE_MEMORY_TRACING
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void * operator new (size_t size, char * fileName = NULL, int lineNum = 0);
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void operator delete (void * buf);
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// Cause problems for VC++
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#ifndef _MSC_VER
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void * operator new[] (size_t size, char * fileName = NULL, int lineNum = 0);
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void operator delete[] (void * buf);
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#endif
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#endif
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#if WXDEBUG || USE_WXDEBUG_CONTEXT
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virtual void Dump(ostream& str);
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#endif
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#ifdef USE_STORABLE_CLASSES
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virtual void StoreObject( ostream &WXUNUSED(stream) ) {};
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#endif
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// make a 'clone' of the object
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void Ref(const wxObject& clone);
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// destroy a reference
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void UnRef(void);
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inline wxObjectRefData *GetRefData(void) const { return m_refData; }
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inline void SetRefData(wxObjectRefData *data) { m_refData = data; }
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protected:
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wxObjectRefData *m_refData;
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};
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/*
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* wxObjectData
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*/
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class WXDLLEXPORT wxObjectRefData {
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friend class wxObject;
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public:
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wxObjectRefData(void);
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virtual ~wxObjectRefData(void);
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inline int GetRefCount(void) const { return m_count; }
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private:
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int m_count;
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};
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#if WXDEBUG && USE_GLOBAL_MEMORY_OPERATORS
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#ifndef WXDEBUG_NEW
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#define WXDEBUG_NEW new(__FILE__,__LINE__)
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#endif
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#define new WXDEBUG_NEW
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#endif
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#endif
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// __OBJECTH__
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