include/wx/object.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/object.h
   3 // Purpose:     wxObject class, plus run-time type information macros
   4 // Author:      Julian Smart
   5 // Modified by: Ron Lee
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1997 Julian Smart
   9 //              (c) 2001 Ron Lee <ron@debian.org>
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_OBJECTH__
  14 #define _WX_OBJECTH__
  15
  16 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  17 #pragma interface "object.h"
  18 #endif
  19
  20 // ----------------------------------------------------------------------------
  21 // headers
  22 // ----------------------------------------------------------------------------
  23
  24 #include "wx/defs.h"
  25 #include "wx/memory.h"
  26
  27 class WXDLLIMPEXP_BASE wxObject;
  28
  29 #ifndef wxUSE_EXTENDED_RTTI
  30 #define wxUSE_EXTENDED_RTTI 0
  31 #endif
  32
  33 #if wxUSE_EXTENDED_RTTI
  34 #include "wx/xti.h"
  35 #else
  36
  37 // ----------------------------------------------------------------------------
  38 // conditional compilation
  39 // ----------------------------------------------------------------------------
  40
  41 // this shouldn't be needed any longer as <wx/msw/private.h> does it but it
  42 // doesn't hurt neither
  43 #ifdef GetClassName
  44 #undef GetClassName
  45 #endif
  46 #ifdef GetClassInfo
  47 #undef GetClassInfo
  48 #endif
  49
  50 class WXDLLIMPEXP_BASE wxClassInfo;
  51 class WXDLLIMPEXP_BASE wxHashTable;
  52 class WXDLLIMPEXP_BASE wxObjectRefData;
  53
  54 // ----------------------------------------------------------------------------
  55 // wxClassInfo
  56 // ----------------------------------------------------------------------------
  57
  58 typedef wxObject *(*wxObjectConstructorFn)(void);
  59
  60 class WXDLLIMPEXP_BASE wxClassInfo
  61 {
  62 public:
  63     wxClassInfo( const wxChar *className,
  64                  const wxClassInfo *baseInfo1,
  65                  const wxClassInfo *baseInfo2,
  66                  int size,
  67                  wxObjectConstructorFn ctor )
  68         : m_className(className)
  69         , m_objectSize(size)
  70         , m_objectConstructor(ctor)
  71         , m_baseInfo1(baseInfo1)
  72         , m_baseInfo2(baseInfo2)
  73         , m_next(sm_first)
  74         {
  75             sm_first = this;
  76             Register();
  77         }
  78
  79     ~wxClassInfo();
  80
  81     wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
  82
  83     const wxChar       *GetClassName() const { return m_className; }
  84     const wxChar       *GetBaseClassName1() const
  85         { return m_baseInfo1 ? m_baseInfo1->GetClassName() : NULL; }
  86     const wxChar       *GetBaseClassName2() const
  87         { return m_baseInfo2 ? m_baseInfo2->GetClassName() : NULL; }
  88     const wxClassInfo  *GetBaseClass1() const { return m_baseInfo1; }
  89     const wxClassInfo  *GetBaseClass2() const { return m_baseInfo2; }
  90     int                 GetSize() const { return m_objectSize; }
  91
  92     wxObjectConstructorFn      GetConstructor() const { return m_objectConstructor; }
  93     static const wxClassInfo  *GetFirst() { return sm_first; }
  94     const wxClassInfo         *GetNext() const { return m_next; }
  95     static wxClassInfo        *FindClass(const wxChar *className);
  96
  97         // Climb upwards through inheritance hierarchy.
  98         // Dual inheritance is catered for.
  99
 100     bool IsKindOf(const wxClassInfo *info) const
 101     {
 102         return info != 0 &&
 103                ( info == this ||
 104                  ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) ||
 105                  ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) );
 106     }
 107
 108 #if WXWIN_COMPATIBILITY_2_4
 109     // Initializes parent pointers and hash table for fast searching.
 110     wxDEPRECATED( static void InitializeClasses() );
 111     // Cleans up hash table used for fast searching.
 112     wxDEPRECATED( static void CleanUpClasses() );
 113 #endif
 114     static void     CleanUp();
 115
 116 public:
 117     const wxChar            *m_className;
 118     int                      m_objectSize;
 119     wxObjectConstructorFn    m_objectConstructor;
 120
 121         // Pointers to base wxClassInfos: set in InitializeClasses
 122
 123     const wxClassInfo       *m_baseInfo1;
 124     const wxClassInfo       *m_baseInfo2;
 125
 126         // class info object live in a linked list:
 127         // pointers to its head and the next element in it
 128
 129     static wxClassInfo      *sm_first;
 130     wxClassInfo             *m_next;
 131
 132     // FIXME: this should be private (currently used directly by way too
 133     //        many clients)
 134     static wxHashTable      *sm_classTable;
 135
 136 private:
 137     // InitializeClasses() helper
 138     static wxClassInfo *GetBaseByName(const wxChar *name);
 139
 140     DECLARE_NO_COPY_CLASS(wxClassInfo)
 141
 142 protected:
 143     // registers the class
 144     void Register();
 145     void Unregister();
 146 };
 147
 148 WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
 149
 150 #if WXWIN_COMPATIBILITY_2_4
 151 inline void wxClassInfo::InitializeClasses() {}
 152 inline void wxClassInfo::CleanUpClasses() {}
 153 #endif
 154
 155 // ----------------------------------------------------------------------------
 156 // Dynamic class macros
 157 // ----------------------------------------------------------------------------
 158
 159 #define DECLARE_ABSTRACT_CLASS(name)                                          \
 160     public:                                                                   \
 161         static wxClassInfo ms_classInfo;                                      \
 162         virtual wxClassInfo *GetClassInfo() const;
 163
 164 #define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(name)                                 \
 165     DECLARE_NO_ASSIGN_CLASS(name)                                             \
 166     DECLARE_DYNAMIC_CLASS(name)
 167
 168 #define DECLARE_DYNAMIC_CLASS_NO_COPY(name)                                   \
 169     DECLARE_NO_COPY_CLASS(name)                                               \
 170     DECLARE_DYNAMIC_CLASS(name)
 171
 172 #define DECLARE_DYNAMIC_CLASS(name)                                           \
 173     DECLARE_ABSTRACT_CLASS(name)                                              \
 174     static wxObject* wxCreateObject();
 175
 176 #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 177
 178
 179 // common part of the macros below
 180 #define wxIMPLEMENT_CLASS_COMMON(name, basename, baseclsinfo2, func)          \
 181     wxClassInfo name::ms_classInfo(wxT(#name),                                \
 182             &basename::ms_classInfo,                                          \
 183             baseclsinfo2,                                                     \
 184             (int) sizeof(name),                                               \
 185             (wxObjectConstructorFn) func);                                    \
 186                                                                               \
 187     wxClassInfo *name::GetClassInfo() const                                   \
 188         { return &name::ms_classInfo; }
 189
 190 #define wxIMPLEMENT_CLASS_COMMON1(name, basename, func)                       \
 191     wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func)
 192
 193 #define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func)           \
 194     wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func)
 195
 196 // -----------------------------------
 197 // for concrete classes
 198 // -----------------------------------
 199
 200     // Single inheritance with one base class
 201 #define IMPLEMENT_DYNAMIC_CLASS(name, basename)                               \
 202     wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject)           \
 203     wxObject* name::wxCreateObject()                                          \
 204         { return new name; }
 205
 206     // Multiple inheritance with two base classes
 207 #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)                  \
 208     wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2,                     \
 209                               name::wxCreateObject)                           \
 210     wxObject* name::wxCreateObject()                                          \
 211         { return new name; }
 212
 213 // -----------------------------------
 214 // for abstract classes
 215 // -----------------------------------
 216
 217     // Single inheritance with one base class
 218
 219 #define IMPLEMENT_ABSTRACT_CLASS(name, basename)                              \
 220     wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL)
 221
 222     // Multiple inheritance with two base classes
 223
 224 #define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)                 \
 225     wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL)
 226
 227 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 228 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 229
 230 #endif // !wxUSE_EXTENDED_RTTI
 231
 232
 233 // -----------------------------------
 234 // for pluggable classes
 235 // -----------------------------------
 236
 237     // NOTE: this should probably be the very first statement
 238     //       in the class declaration so wxPluginSentinel is
 239     //       the first member initialised and the last destroyed.
 240
 241 // _DECLARE_DL_SENTINEL(name) wxPluginSentinel m_pluginsentinel;
 242
 243 #if wxUSE_NESTED_CLASSES
 244
 245 #define _DECLARE_DL_SENTINEL(name, exportdecl)  \
 246 class exportdecl name##PluginSentinel {         \
 247 private:                                        \
 248     static const wxString sm_className;         \
 249 public:                                         \
 250     name##PluginSentinel();                     \
 251     ~name##PluginSentinel();                    \
 252 };                                              \
 253 name##PluginSentinel  m_pluginsentinel;
 254
 255 #define _IMPLEMENT_DL_SENTINEL(name)                                \
 256  const wxString name::name##PluginSentinel::sm_className(#name);    \
 257  name::name##PluginSentinel::name##PluginSentinel() {               \
 258     wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
 259     if( e != 0 ) { e->RefObj(); }                                      \
 260  }                                                                  \
 261  name::name##PluginSentinel::~name##PluginSentinel() {            \
 262     wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
 263     if( e != 0 ) { e->UnrefObj(); }                                 \
 264  }
 265 #else
 266
 267 #define _DECLARE_DL_SENTINEL(name)
 268 #define _IMPLEMENT_DL_SENTINEL(name)
 269
 270 #endif  // wxUSE_NESTED_CLASSES
 271
 272 #define DECLARE_PLUGGABLE_CLASS(name) \
 273  DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 274 #define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)  \
 275  DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 276
 277 #define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
 278  DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 279 #define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)  \
 280  DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 281
 282 #define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \
 283  IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 284 #define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 285  IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 286 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
 287  IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 288 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 289  IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 290
 291 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
 292  IMPLEMENT_PLUGGABLE_CLASS(name, basename)
 293 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 294  IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
 295 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
 296  IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
 297 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 298  IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
 299
 300 #define CLASSINFO(name) (&name::ms_classInfo)
 301
 302 #define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::ms_classInfo)
 303
 304 // Just seems a bit nicer-looking (pretend it's not a macro)
 305 #define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo)
 306
 307 // this cast does some more checks at compile time as it uses static_cast
 308 // internally
 309 //
 310 // note that it still has different semantics from dynamic_cast<> and so can't
 311 // be replaced by it as long as there are any compilers not supporting it
 312 #define wxDynamicCast(obj, className) \
 313     ((className *) wxCheckDynamicCast( \
 314         wx_const_cast(wxObject *, wx_static_cast(const wxObject *, \
 315           wx_const_cast(className *, wx_static_cast(const className *, obj)))), \
 316         &className::ms_classInfo))
 317
 318 // The 'this' pointer is always true, so use this version
 319 // to cast the this pointer and avoid compiler warnings.
 320 #define wxDynamicCastThis(className) \
 321      (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)
 322
 323 #ifdef __WXDEBUG__
 324 inline void* wxCheckCast(void *ptr)
 325 {
 326     wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
 327     return ptr;
 328 }
 329 #define wxStaticCast(obj, className) \
 330  ((className *)wxCheckCast(wxDynamicCast(obj, className)))
 331
 332 #else  // !__WXDEBUG__
 333 #define wxStaticCast(obj, className) \
 334     wx_const_cast(className *, wx_static_cast(const className *, obj))
 335
 336 #endif  // __WXDEBUG__
 337
 338 // ----------------------------------------------------------------------------
 339 // set up memory debugging macros
 340 // ----------------------------------------------------------------------------
 341
 342 /*
 343     Which new/delete operator variants do we want?
 344
 345     _WX_WANT_NEW_SIZET_WXCHAR_INT             = void *operator new (size_t size, wxChar *fileName = 0, int lineNum = 0)
 346     _WX_WANT_DELETE_VOID                      = void operator delete (void * buf)
 347     _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET      = void operator delete (void *buf, const char *_fname, size_t _line)
 348     _WX_WANT_DELETE_VOID_WXCHAR_INT           = void operator delete(void *buf, wxChar*, int)
 349     _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT       = void *operator new[] (size_t size, wxChar *fileName , int lineNum = 0)
 350     _WX_WANT_ARRAY_DELETE_VOID                = void operator delete[] (void *buf)
 351     _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT     = void operator delete[] (void* buf, wxChar*, int )
 352 */
 353
 354 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
 355
 356 // All compilers get this one
 357 #define _WX_WANT_NEW_SIZET_WXCHAR_INT
 358
 359 // Everyone except Visage gets the next one
 360 #ifndef __VISAGECPP__
 361     #define _WX_WANT_DELETE_VOID
 362 #endif
 363
 364 // Only visage gets this one under the correct circumstances
 365 #if defined(__VISAGECPP__) && __DEBUG_ALLOC__
 366     #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 367 #endif
 368
 369 // Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new
 370 #if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
 371     #define _WX_WANT_DELETE_VOID_WXCHAR_INT
 372 #endif
 373
 374 // Now see who (if anyone) gets the array memory operators
 375 #if wxUSE_ARRAY_MEMORY_OPERATORS
 376
 377     // Everyone except Visual C++ (cause problems for VC++ - crashes)
 378     #if !defined(__VISUALC__)
 379         #define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
 380     #endif
 381
 382     // Everyone except Visual C++ (cause problems for VC++ - crashes)
 383     #if !defined(__VISUALC__)
 384         #define _WX_WANT_ARRAY_DELETE_VOID
 385     #endif
 386
 387     // Only CodeWarrior 6 or higher
 388     #if defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 389         #define _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
 390     #endif
 391
 392 #endif // wxUSE_ARRAY_MEMORY_OPERATORS
 393
 394 #endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
 395
 396 // ----------------------------------------------------------------------------
 397 // wxObject: the root class of wxWidgets object hierarchy
 398 // ----------------------------------------------------------------------------
 399
 400 class WXDLLIMPEXP_BASE wxObject
 401 {
 402     DECLARE_ABSTRACT_CLASS(wxObject)
 403
 404 private:
 405     void InitFrom(const wxObject& other);
 406
 407 public:
 408     wxObject() { m_refData = NULL; }
 409     virtual ~wxObject() { UnRef(); }
 410
 411     wxObject(const wxObject& other)
 412         {
 413             InitFrom(other);
 414         }
 415
 416     wxObject& operator=(const wxObject& other)
 417     {
 418         if ( this != &other )
 419         {
 420             UnRef();
 421             InitFrom(other);
 422         }
 423         return *this;
 424     }
 425
 426     bool IsKindOf(wxClassInfo *info) const;
 427
 428
 429     // Turn on the correct set of new and delete operators
 430
 431 #ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
 432     void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
 433 #endif
 434
 435 #ifdef _WX_WANT_DELETE_VOID
 436     void operator delete ( void * buf );
 437 #endif
 438
 439 #ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 440     void operator delete ( void *buf, const char *_fname, size_t _line );
 441 #endif
 442
 443 #ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT
 444     void operator delete ( void *buf, const wxChar*, int );
 445 #endif
 446
 447 #ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
 448     void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
 449 #endif
 450
 451 #ifdef _WX_WANT_ARRAY_DELETE_VOID
 452     void operator delete[] ( void *buf );
 453 #endif
 454
 455 #ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
 456     void operator delete[] (void* buf, const wxChar*, int );
 457 #endif
 458
 459     // ref counted data handling methods
 460
 461     // get/set
 462     wxObjectRefData *GetRefData() const { return m_refData; }
 463     void SetRefData(wxObjectRefData *data) { m_refData = data; }
 464
 465     // make a 'clone' of the object
 466     void Ref(const wxObject& clone);
 467
 468     // destroy a reference
 469     void UnRef();
 470
 471
 472     // Reserved for future use
 473     virtual void ReservedObjectFunc1() {}
 474     virtual void ReservedObjectFunc2() {}
 475     virtual void ReservedObjectFunc3() {}
 476     virtual void ReservedObjectFunc4() {}
 477     virtual void ReservedObjectFunc5() {}
 478     virtual void ReservedObjectFunc6() {}
 479     virtual void ReservedObjectFunc7() {}
 480     virtual void ReservedObjectFunc8() {}
 481     virtual void ReservedObjectFunc9() {}
 482
 483 protected:
 484     // ensure that our data is not shared with anybody else: if we have no
 485     // data, it is created using CreateRefData() below, if we have shared data
 486     // it is copied using CloneRefData(), otherwise nothing is done
 487     void AllocExclusive();
 488
 489     // both methods must be implemented if Unshare() is used, not pure virtual
 490     // only because of the backwards compatibility reasons
 491
 492     // create a new m_refData
 493     virtual wxObjectRefData *CreateRefData() const;
 494
 495     // create a new m_refData initialized with the given one
 496     virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
 497
 498     wxObjectRefData *m_refData;
 499 };
 500
 501 // ----------------------------------------------------------------------------
 502 // wxObjectRefData: ref counted data meant to be stored in wxObject
 503 // ----------------------------------------------------------------------------
 504
 505 class WXDLLIMPEXP_BASE wxObjectRefData
 506 {
 507     friend class WXDLLIMPEXP_BASE wxObject;
 508
 509 public:
 510     wxObjectRefData() : m_count(1) { }
 511     virtual ~wxObjectRefData() { }
 512
 513     int GetRefCount() const { return m_count; }
 514
 515 private:
 516     int m_count;
 517 };
 518
 519
 520 inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
 521 {
 522     return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
 523 }
 524
 525 #if wxUSE_EXTENDED_RTTI
 526 class WXDLLIMPEXP_BASE wxDynamicObject : public wxObject
 527 {
 528     friend class WXDLLIMPEXP_BASE wxDynamicClassInfo ;
 529 public:
 530     // instantiates this object with an instance of its superclass
 531     wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) ;
 532     ~wxDynamicObject();
 533
 534     void SetProperty (const wxChar *propertyName, const wxxVariant &value);
 535     wxxVariant GetProperty (const wxChar *propertyName) const ;
 536
 537     // get the runtime identity of this object
 538     wxClassInfo *GetClassInfo() const
 539     {
 540 #ifdef _MSC_VER
 541         return (wxClassInfo*) m_classInfo;
 542 #else
 543         return wx_const_cast(wxClassInfo *, m_classInfo);
 544 #endif
 545     }
 546
 547     wxObject* GetSuperClassInstance() const
 548     {
 549         return m_superClassInstance ;
 550     }
 551 private :
 552     // removes an existing runtime-property
 553     void RemoveProperty( const wxChar *propertyName ) ;
 554
 555     // renames an existing runtime-property
 556     void RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) ;
 557
 558     wxObject *m_superClassInstance ;
 559     const wxDynamicClassInfo *m_classInfo;
 560     struct wxDynamicObjectInternal;
 561     wxDynamicObjectInternal *m_data;
 562 };
 563 #endif
 564
 565 // ----------------------------------------------------------------------------
 566 // more debugging macros
 567 // ----------------------------------------------------------------------------
 568
 569 #ifdef __WXDEBUG__
 570     #ifndef WXDEBUG_NEW
 571         #define WXDEBUG_NEW new(__TFILE__,__LINE__)
 572     #endif
 573 #else // !__WXDEBUG__
 574     #define WXDEBUG_NEW new
 575 #endif
 576
 577 // Redefine new to be the debugging version. This doesn't work with all
 578 // compilers, in which case you need to use WXDEBUG_NEW explicitly if you wish
 579 // to use the debugging version.
 580
 581 #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 582     #define new new(__TFILE__,__LINE__)
 583 #elif (defined(__WXDEBUG__) && defined(__VISUALC__) && !wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS)
 584     // Including this file redefines new and allows leak reports to contain line numbers
 585     #include "wx/msw/msvcrt.h"
 586 #endif
 587
 588 #endif  // _WX_OBJECTH__
 589