added a few virtual keywords for consistency (no real changes) (patch 543922)

[wxWidgets.git] / include / wx / object.h

diff --git a/include/wx/object.h b/include/wx/object.h
index 03a23d01b2a7d8fc3a0eb203269d441f8571239b..d0eb3167f39d64421d6d80f8a7e990a151a3af58 100644 (file)
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -2,10 +2,11 @@
 // Name:        object.h
 // Purpose:     wxObject class, plus run-time type information macros
 // Author:      Julian Smart
 // Name:        object.h
 // Purpose:     wxObject class, plus run-time type information macros
 // Author:      Julian Smart

-// Modified by:
+// Modified by: Ron Lee

 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) 1997 Julian Smart and Markus Holzem
+//              (c) 2001 Ron Lee <ron@debian.org>

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -16,6 +17,10 @@
 #pragma interface "object.h"
 #endif
 
 #pragma interface "object.h"
 #endif
 

+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+

 #include "wx/defs.h"
 #include "wx/memory.h"
 
 #include "wx/defs.h"
 #include "wx/memory.h"
 


@@ -23,135 +28,240 @@ class WXDLLEXPORT wxObject;
 
 #if wxUSE_DYNAMIC_CLASSES
 
 
 #if wxUSE_DYNAMIC_CLASSES
 

-// #ifdef __GNUWIN32__
+// ----------------------------------------------------------------------------
+// conditional compilation
+// ----------------------------------------------------------------------------
+

 #ifdef GetClassName
 #undef GetClassName
 #endif
 #ifdef GetClassInfo
 #undef GetClassInfo
 #endif
 #ifdef GetClassName
 #undef GetClassName
 #endif
 #ifdef GetClassInfo
 #undef GetClassInfo
 #endif

-// #endif

 
 class WXDLLEXPORT wxClassInfo;
 
 class WXDLLEXPORT wxClassInfo;

-class WXDLLEXPORT wxInputStream;
-class WXDLLEXPORT wxOutputStream;
-class WXDLLEXPORT wxObjectInputStream;
-class WXDLLEXPORT wxObjectOutputStream;

 class WXDLLEXPORT wxHashTable;
 class WXDLLEXPORT wxHashTable;

-class WXDLLEXPORT wxObject_Serialize;

 
 #if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
 
 #if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)

-  #include "wx/ioswrap.h"
+#include "wx/ioswrap.h"

 #endif
 
 #endif
 

-/*
- * Dynamic object system declarations
- */

 
 

-typedef wxObject * (*wxObjectConstructorFn) (void);
+// ----------------------------------------------------------------------------
+// wxClassInfo
+// ----------------------------------------------------------------------------
+
+typedef wxObject *(*wxObjectConstructorFn)(void);

 
 class WXDLLEXPORT wxClassInfo
 {
 public:
 
 class WXDLLEXPORT wxClassInfo
 {
 public:

-   wxClassInfo(const wxChar *cName,
-               const wxChar *baseName1,
-               const wxChar *baseName2,
-               int sz,
-               wxObjectConstructorFn fn);
-
-   wxObject *CreateObject(void);
+    wxClassInfo( const wxChar *className,
+                 const wxChar *baseName1,
+                 const wxChar *baseName2,
+                 int size,
+                 wxObjectConstructorFn ctor )
+        : m_className(className)
+        , m_baseClassName1(baseName1)
+        , m_baseClassName2(baseName2)
+        , m_objectSize(size)
+        , m_objectConstructor(ctor)
+        , m_baseInfo1(0)
+        , m_baseInfo2(0)
+        , m_next(sm_first)
+    { sm_first = this; }
+
+    wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
+
+    const wxChar       *GetClassName() const { return m_className; }
+    const wxChar       *GetBaseClassName1() const { return m_baseClassName1; }
+    const wxChar       *GetBaseClassName2() const { return m_baseClassName2; }
+    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) ) );
+    }

 
 

-   const wxChar *GetClassName() const { return m_className; }
-   const wxChar *GetBaseClassName1() const { return m_baseClassName1; }
-   const wxChar *GetBaseClassName2() const { return m_baseClassName2; }
-   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; }
-   bool IsKindOf(const wxClassInfo *info) const;
+        // Initializes parent pointers and hash table for fast searching.

 
 

-   static wxClassInfo *FindClass(const wxChar *c);
+    static void     InitializeClasses();

 
 

-   // Initializes parent pointers and hash table for fast searching.
-   static void InitializeClasses();
+        // Cleans up hash table used for fast searching.

 
 

-   // Cleans up hash table used for fast searching.
-   static void CleanUpClasses();
+    static void     CleanUpClasses();

 
 public:
 
 public:

-   const wxChar*            m_className;
-   const wxChar*            m_baseClassName1;
-   const wxChar*            m_baseClassName2;
-   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;
-
-   static wxHashTable*      sm_classTable;
+    const wxChar            *m_className;
+    const wxChar            *m_baseClassName1;
+    const wxChar            *m_baseClassName2;
+    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);

 };
 
 };
 

-WXDLLEXPORT wxObject* wxCreateDynamicObject(const wxChar *name);
+WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name);

 
 

-#if wxUSE_SERIAL
-WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream );
-#endif
+// ----------------------------------------------------------------------------
+// Dynamic class macros
+// ----------------------------------------------------------------------------

 
 

-#define DECLARE_DYNAMIC_CLASS(name) \
- public:\
-  static wxClassInfo sm_class##name;\
-  wxClassInfo *GetClassInfo() const \
+#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) DECLARE_DYNAMIC_CLASS(name)
 #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 
    { return &name::sm_class##name; }
 
 #define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 

-//////
-////// for concrete classes
-//////
+// -----------------------------------
+// for concrete classes
+// -----------------------------------
+
+    // Single inheritance with one base class
+
+#define IMPLEMENT_DYNAMIC_CLASS(name, basename)                 \
+ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name()          \
+  { return new name; }                                          \
+ wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
+            0, (int) sizeof(name),                              \
+            (wxObjectConstructorFn) wxConstructorFor##name);
+
+    // Multiple inheritance with two base classes

 
 

-// Single inheritance with one base class
-#define IMPLEMENT_DYNAMIC_CLASS(name, basename) \
-wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
-   { return new name; }\
- wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename), (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
+#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)    \
+ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name()          \
+  { return new name; }                                          \
+ wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
+            wxT(#basename2), (int) sizeof(name),                \
+            (wxObjectConstructorFn) wxConstructorFor##name);

 
 

-// Multiple inheritance with two base classes
-#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \
-wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
-   { return new name; }\
- wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
+// -----------------------------------
+// for abstract classes
+// -----------------------------------

 
 

-//////
-////// for abstract classes
-//////
+    // Single inheritance with one base class

 
 

-// Single inheritance with one base class
-#define IMPLEMENT_ABSTRACT_CLASS(name, basename) \
- wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename), \
-         (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL);
+#define IMPLEMENT_ABSTRACT_CLASS(name, basename)                \
+ wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
+            0, (int) sizeof(name), (wxObjectConstructorFn) 0);

 
 

-// Multiple inheritance with two base classes
-#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \
- wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), \
-         (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) NULL);
+    // Multiple inheritance with two base classes
+
+#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)   \
+ wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
+            wxT(#basename2), (int) sizeof(name),                \
+            (wxObjectConstructorFn) 0);

 
 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 
 
 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 

+// -----------------------------------
+// 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::sm_class##name)
 
 #else // !wxUSE_DYNAMIC_CLASSES
 
 #define CLASSINFO(name) (&name::sm_class##name)
 
 #else // !wxUSE_DYNAMIC_CLASSES
 

-// No dynamic class system: so stub out the macros
+    // No dynamic class system: so stub out the macros
+

 #define DECLARE_DYNAMIC_CLASS(name)
 #define DECLARE_ABSTRACT_CLASS(name)
 #define DECLARE_CLASS(name)
 #define DECLARE_DYNAMIC_CLASS(name)
 #define DECLARE_ABSTRACT_CLASS(name)
 #define DECLARE_CLASS(name)


@@ -162,139 +272,171 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 
 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 

-#endif // wxUSE_DYNAMIC_CLASSES/!wxUSE_DYNAMIC_CLASSES
+#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::sm_class##className)
 

-// Just seems a bit nicer-looking (pretend it's not a macro)
+    // 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::sm_class##className)
 

-// to be replaced by dynamic_cast<> in the future
+    // to be replaced by dynamic_cast<> in the future
+

 #define wxDynamicCast(obj, className) \
 #define wxDynamicCast(obj, className) \

-        ((obj) && ((obj)->IsKindOf(&className::sm_class##className)) \
-        ? (className *)(obj) \
-        : (className *)0)
+ (className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className)
+
+    // The 'this' pointer is always true, so use this version
+    // to cast the this pointer and avoid compiler warnings.

 
 

-// The 'this' pointer is always true, so use this version to cast the this
-// pointer and avoid compiler warnings.
-#define wxDynamicThisCast(obj, className) \
-        (((obj)->IsKindOf(&className::sm_class##className)) \
-        ? (className *)(obj) \
-        : (className *)0)
+#define wxDynamicCastThis(className) \
+ (IsKindOf(&className::sm_class##className) ? (className *)(this) : (className *)0)

 
 #define wxConstCast(obj, className) ((className *)(obj))
 
 
 #define wxConstCast(obj, className) ((className *)(obj))
 

+

 #ifdef __WXDEBUG__
 #ifdef __WXDEBUG__

-    inline void wxCheckCast(void *ptr)
-    {
-        wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
-    }
+inline void wxCheckCast(void *ptr)
+{
+    wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
+}
+#define wxStaticCast(obj, className) \
+ (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj)))
+
+#else  // !__WXDEBUG__
+#define wxStaticCast(obj, className) ((className *)(obj))

 
 

-    #define wxStaticCast(obj, className) \
-        (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj)))
+#endif  // __WXDEBUG__

 
 

-#else // !Debug
-    #define wxStaticCast(obj, className) ((className *)(obj))
-#endif // Debug/!Debug

 
 

-// Unfortunately Borland seems to need this include.
-#ifdef __BORLANDC__
-    #if wxUSE_IOSTREAMH
-        #include <iostream.h>
-    #else
-        #include <iostream>
-    #endif
+    // Unfortunately Borland seems to need this include.
+
+#if wxUSE_STD_IOSTREAM                                \
+    && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)  \
+    && defined(__BORLANDC__)
+#if wxUSE_IOSTREAMH
+#include <iostream.h>
+#else
+#include <iostream>

 #endif
 #endif

+#endif
+
+
+// ----------------------------------------------------------------------------
+// wxObject
+// ----------------------------------------------------------------------------

 
 class WXDLLEXPORT wxObjectRefData;
 
 class WXDLLEXPORT wxObject
 {
 
 class WXDLLEXPORT wxObjectRefData;
 
 class WXDLLEXPORT wxObject
 {

- public:
-
-  // This is equivalent to using the macro DECLARE_ABSTRACT_CLASS
-  static wxClassInfo sm_classwxObject;
+DECLARE_ABSTRACT_CLASS(wxObject)

 
 

-  wxObject(void);
-  virtual ~wxObject(void);
-
-  virtual wxClassInfo *GetClassInfo(void) const { return &sm_classwxObject; }
-  wxObject *Clone(void) const;
-  virtual void CopyObject(wxObject& object_dest) const;
+public:
+    wxObject() : m_refData(0) {}
+    virtual ~wxObject() { UnRef(); }

 
 

-  bool IsKindOf(wxClassInfo *info) const;
+    bool IsKindOf(wxClassInfo *info) const;

 
 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
 
 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING

-  void * operator new (size_t size, wxChar * fileName = NULL, int lineNum = 0);
-#  if defined(__VISAGECPP__)
-#    if __DEBUG_ALLOC__
-       void operator delete (void * buf,const char * _fname, size_t _line);
-#    endif  //__DEBUG_ALLOC__
-#  else // Everybody else
+    void *operator new (size_t size, wxChar *fileName = 0, int lineNum = 0);
+
+#ifndef __VISAGECPP__

     void operator delete (void * buf);
     void operator delete (void * buf);

-#  endif // end of VISAGECPP
+#elif __DEBUG_ALLOC__
+    void operator delete (void *buf, const char *_fname, size_t _line);
+#endif

 
 

-// VC++ 6.0
-#  if defined(__VISUALC__) && (__VISUALC__ >= 1200)
+    // VC++ 6.0
+
+#if defined(__VISUALC__) && (__VISUALC__ >= 1200)

     void operator delete(void *buf, wxChar*, int);
     void operator delete(void *buf, wxChar*, int);

-#  endif
+#endif

 
     // Causes problems for VC++
 
     // Causes problems for VC++

-#  if wxUSE_ARRAY_MEMORY_OPERATORS && !defined(__VISUALC__) && !defined( __MWERKS__)
-    void * operator new[] (size_t size, wxChar * fileName = NULL, int lineNum = 0);
-    void operator delete[] (void * buf);
-#  endif

 
 

-#  ifdef __MWERKS__
-    void * operator new[] (size_t size, wxChar * fileName , int lineNum = 0);
-    void * operator new[] (size_t size) { return operator new[] ( size , NULL , 0 ) ; }
-    void operator delete[] (void * buf);
-#  endif
+#if wxUSE_ARRAY_MEMORY_OPERATORS && !defined(__VISUALC__) && !defined( __MWERKS__)
+    void *operator new[] (size_t size, wxChar *fileName = 0, int lineNum = 0);
+    void operator delete[] (void *buf);
+#endif
+
+#ifdef __MWERKS__
+    void *operator new[] (size_t size, wxChar *fileName , int lineNum = 0);
+    void *operator new[] (size_t size) { return operator new[] ( size, 0, 0 ) ; }
+    void operator delete[] (void *buf);
+#endif

 
 #endif // Debug & memory tracing
 
 
 #endif // Debug & memory tracing
 

+

 #if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
 #if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)

-  virtual void Dump(wxSTD ostream& str);
+    virtual void Dump(wxSTD ostream& str);

 #endif
 
 #endif
 

-#if wxUSE_SERIAL
-  virtual void StoreObject( wxObjectOutputStream &stream );
-  virtual void LoadObject( wxObjectInputStream &stream );
-#endif
+    // ref counted data handling methods

 
 

-  // make a 'clone' of the object
-  void Ref(const wxObject& clone);
+    // get/set
+    wxObjectRefData *GetRefData() const { return m_refData; }
+    void SetRefData(wxObjectRefData *data) { m_refData = data; }

 
 

-  // destroy a reference
-  void UnRef(void);
+    // make a 'clone' of the object
+    void Ref(const wxObject& clone);

 
 

-  inline wxObjectRefData *GetRefData(void) const { return m_refData; }
-  inline void SetRefData(wxObjectRefData *data) { m_refData = data; }
+    // destroy a reference
+    void UnRef();

 
 protected:
 
 protected:

-  wxObjectRefData*      m_refData;
-#if wxUSE_SERIAL
-  wxObject_Serialize*   m_serialObj;
-#endif
-};
+    // 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();

 
 

-/*
- * wxObjectData
- */
+    // both methods must be implemented if Unshare() is used, not pure virtual
+    // only because of the backwards compatibility reasons

 
 

-class WXDLLEXPORT wxObjectRefData {
+    // 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;
+};
+
+
+class WXDLLEXPORT wxObjectRefData
+{

     friend class wxObject;
 
 public:
     friend class wxObject;
 
 public:

-    wxObjectRefData(void);
-    virtual ~wxObjectRefData(void);
+    wxObjectRefData() : m_count(1) {}
+    virtual ~wxObjectRefData() {}

 
 

-    inline int GetRefCount(void) const { return m_count; }
+    inline int GetRefCount() const { return m_count; }

 private:
     int m_count;
 };
 
 private:
     int m_count;
 };
 

+
+inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
+{
+    return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : 0;
+}
+

 #ifdef __WXDEBUG__
 #ifndef WXDEBUG_NEW
 #define WXDEBUG_NEW new(__TFILE__,__LINE__)
 #ifdef __WXDEBUG__
 #ifndef WXDEBUG_NEW
 #define WXDEBUG_NEW new(__TFILE__,__LINE__)


@@ -303,15 +445,14 @@ private:
 #define WXDEBUG_NEW new
 #endif
 
 #define WXDEBUG_NEW new
 #endif
 

-// 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.
+    // 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.

 
 #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 #define new new(__TFILE__,__LINE__)
 #endif
 
 
 #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 #define new new(__TFILE__,__LINE__)
 #endif
 

-#endif
-    // _WX_OBJECTH__
-
+#endif  // _WX_OBJECTH__

 
 

+// vi:sts=4:sw=4:et