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 // FIXME: remove in wx-2.7:
  30 class WXDLLIMPEXP_BASE wxEvent;
  31 class WXDLLIMPEXP_BASE wxEvtHandler;
  32
  33 #ifndef wxUSE_EXTENDED_RTTI
  34 #define wxUSE_EXTENDED_RTTI 0
  35 #endif
  36
  37 #if wxUSE_EXTENDED_RTTI
  38 #include "wx/xti.h"
  39 #else
  40
  41 // ----------------------------------------------------------------------------
  42 // conditional compilation
  43 // ----------------------------------------------------------------------------
  44
  45 // this shouldn't be needed any longer as <wx/msw/private.h> does it but it
  46 // doesn't hurt neither
  47 #ifdef GetClassName
  48 #undef GetClassName
  49 #endif
  50 #ifdef GetClassInfo
  51 #undef GetClassInfo
  52 #endif
  53
  54 class WXDLLIMPEXP_BASE wxClassInfo;
  55 class WXDLLIMPEXP_BASE wxHashTable;
  56 class WXDLLIMPEXP_BASE wxObjectRefData;
  57
  58 // ----------------------------------------------------------------------------
  59 // wxClassInfo
  60 // ----------------------------------------------------------------------------
  61
  62 typedef wxObject *(*wxObjectConstructorFn)(void);
  63
  64 class WXDLLIMPEXP_BASE wxClassInfo
  65 {
  66 public:
  67     wxClassInfo( const wxChar *className,
  68                  const wxClassInfo *baseInfo1,
  69                  const wxClassInfo *baseInfo2,
  70                  int size,
  71                  wxObjectConstructorFn ctor )
  72         : m_className(className)
  73         , m_objectSize(size)
  74         , m_objectConstructor(ctor)
  75         , m_baseInfo1(baseInfo1)
  76         , m_baseInfo2(baseInfo2)
  77         , m_next(sm_first)
  78         {
  79             sm_first = this;
  80             Register();
  81         }
  82
  83     ~wxClassInfo();
  84
  85     wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
  86
  87     const wxChar       *GetClassName() const { return m_className; }
  88     const wxChar       *GetBaseClassName1() const
  89         { return m_baseInfo1 ? m_baseInfo1->GetClassName() : NULL; }
  90     const wxChar       *GetBaseClassName2() const
  91         { return m_baseInfo2 ? m_baseInfo2->GetClassName() : NULL; }
  92     const wxClassInfo  *GetBaseClass1() const { return m_baseInfo1; }
  93     const wxClassInfo  *GetBaseClass2() const { return m_baseInfo2; }
  94     int                 GetSize() const { return m_objectSize; }
  95
  96     wxObjectConstructorFn      GetConstructor() const { return m_objectConstructor; }
  97     static const wxClassInfo  *GetFirst() { return sm_first; }
  98     const wxClassInfo         *GetNext() const { return m_next; }
  99     static wxClassInfo        *FindClass(const wxChar *className);
 100
 101         // Climb upwards through inheritance hierarchy.
 102         // Dual inheritance is catered for.
 103
 104     bool IsKindOf(const wxClassInfo *info) const
 105     {
 106         return info != 0 &&
 107                ( info == this ||
 108                  ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) ||
 109                  ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) );
 110     }
 111
 112 #if WXWIN_COMPATIBILITY_2_4
 113     // Initializes parent pointers and hash table for fast searching.
 114     wxDEPRECATED( static void InitializeClasses() );
 115     // Cleans up hash table used for fast searching.
 116     wxDEPRECATED( static void CleanUpClasses() );
 117 #endif
 118     static void     CleanUp();
 119
 120 public:
 121     const wxChar            *m_className;
 122     int                      m_objectSize;
 123     wxObjectConstructorFn    m_objectConstructor;
 124
 125         // Pointers to base wxClassInfos: set in InitializeClasses
 126
 127     const wxClassInfo       *m_baseInfo1;
 128     const wxClassInfo       *m_baseInfo2;
 129
 130         // class info object live in a linked list:
 131         // pointers to its head and the next element in it
 132
 133     static wxClassInfo      *sm_first;
 134     wxClassInfo             *m_next;
 135
 136     // FIXME: this should be private (currently used directly by way too
 137     //        many clients)
 138     static wxHashTable      *sm_classTable;
 139
 140 private:
 141     // InitializeClasses() helper
 142     static wxClassInfo *GetBaseByName(const wxChar *name);
 143
 144     DECLARE_NO_COPY_CLASS(wxClassInfo)
 145
 146 protected:
 147     // registers the class
 148     void Register();
 149     void Unregister();
 150 };
 151
 152 WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
 153
 154 #if WXWIN_COMPATIBILITY_2_4
 155 inline void wxClassInfo::InitializeClasses() {}
 156 inline void wxClassInfo::CleanUpClasses() {}
 157 #endif
 158
 159 // ----------------------------------------------------------------------------
 160 // Dynamic class macros
 161 // ----------------------------------------------------------------------------
 162
 163 #define DECLARE_ABSTRACT_CLASS(name)                                          \
 164     public:                                                                   \
 165         static wxClassInfo ms_classInfo;                                      \
 166         virtual wxClassInfo *GetClassInfo() const;
 167
 168 #define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(name)                                 \
 169     DECLARE_NO_ASSIGN_CLASS(name)                                             \
 170     DECLARE_DYNAMIC_CLASS(name)
 171
 172 #define DECLARE_DYNAMIC_CLASS_NO_COPY(name)                                   \
 173     DECLARE_NO_COPY_CLASS(name)                                               \
 174     DECLARE_DYNAMIC_CLASS(name)
 175
 176 #define DECLARE_DYNAMIC_CLASS(name)                                           \
 177     DECLARE_ABSTRACT_CLASS(name)                                              \
 178     static wxObject* wxCreateObject();
 179
 180 #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 181
 182
 183 // common part of the macros below
 184 #define wxIMPLEMENT_CLASS_COMMON(name, basename, baseclsinfo2, func)          \
 185     wxClassInfo name::ms_classInfo(wxT(#name),                                \
 186             &basename::ms_classInfo,                                          \
 187             baseclsinfo2,                                                     \
 188             (int) sizeof(name),                                               \
 189             (wxObjectConstructorFn) func);                                    \
 190                                                                               \
 191     wxClassInfo *name::GetClassInfo() const                                   \
 192         { return &name::ms_classInfo; }
 193
 194 #define wxIMPLEMENT_CLASS_COMMON1(name, basename, func)                       \
 195     wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func)
 196
 197 #define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func)           \
 198     wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func)
 199
 200 // -----------------------------------
 201 // for concrete classes
 202 // -----------------------------------
 203
 204     // Single inheritance with one base class
 205 #define IMPLEMENT_DYNAMIC_CLASS(name, basename)                               \
 206     wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject)           \
 207     wxObject* name::wxCreateObject()                                          \
 208         { return new name; }
 209
 210     // Multiple inheritance with two base classes
 211 #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)                  \
 212     wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2,                     \
 213                               name::wxCreateObject)                           \
 214     wxObject* name::wxCreateObject()                                          \
 215         { return new name; }
 216
 217 // -----------------------------------
 218 // for abstract classes
 219 // -----------------------------------
 220
 221     // Single inheritance with one base class
 222
 223 #define IMPLEMENT_ABSTRACT_CLASS(name, basename)                              \
 224     wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL)
 225
 226     // Multiple inheritance with two base classes
 227
 228 #define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)                 \
 229     wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL)
 230
 231 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 232 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 233
 234 #endif // !wxUSE_EXTENDED_RTTI
 235
 236
 237 // -----------------------------------
 238 // for pluggable classes
 239 // -----------------------------------
 240
 241     // NOTE: this should probably be the very first statement
 242     //       in the class declaration so wxPluginSentinel is
 243     //       the first member initialised and the last destroyed.
 244
 245 // _DECLARE_DL_SENTINEL(name) wxPluginSentinel m_pluginsentinel;
 246
 247 #if wxUSE_NESTED_CLASSES
 248
 249 #define _DECLARE_DL_SENTINEL(name, exportdecl)  \
 250 class exportdecl name##PluginSentinel {         \
 251 private:                                        \
 252     static const wxString sm_className;         \
 253 public:                                         \
 254     name##PluginSentinel();                     \
 255     ~name##PluginSentinel();                    \
 256 };                                              \
 257 name##PluginSentinel  m_pluginsentinel;
 258
 259 #define _IMPLEMENT_DL_SENTINEL(name)                                \
 260  const wxString name::name##PluginSentinel::sm_className(#name);    \
 261  name::name##PluginSentinel::name##PluginSentinel() {               \
 262     wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
 263     if( e != 0 ) { e->RefObj(); }                                      \
 264  }                                                                  \
 265  name::name##PluginSentinel::~name##PluginSentinel() {            \
 266     wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
 267     if( e != 0 ) { e->UnrefObj(); }                                 \
 268  }
 269 #else
 270
 271 #define _DECLARE_DL_SENTINEL(name)
 272 #define _IMPLEMENT_DL_SENTINEL(name)
 273
 274 #endif  // wxUSE_NESTED_CLASSES
 275
 276 #define DECLARE_PLUGGABLE_CLASS(name) \
 277  DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 278 #define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)  \
 279  DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 280
 281 #define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
 282  DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 283 #define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)  \
 284  DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 285
 286 #define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \
 287  IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 288 #define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 289  IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 290 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
 291  IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 292 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 293  IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 294
 295 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
 296  IMPLEMENT_PLUGGABLE_CLASS(name, basename)
 297 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 298  IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
 299 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
 300  IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
 301 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 302  IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
 303
 304 #define CLASSINFO(name) (&name::ms_classInfo)
 305
 306 #define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::ms_classInfo)
 307
 308 // Just seems a bit nicer-looking (pretend it's not a macro)
 309 #define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo)
 310
 311 // this cast does some more checks at compile time as it uses static_cast
 312 // internally
 313 //
 314 // note that it still has different semantics from dynamic_cast<> and so can't
 315 // be replaced by it as long as there are any compilers not supporting it
 316 #define wxDynamicCast(obj, className) \
 317     ((className *) wxCheckDynamicCast( \
 318         wx_const_cast(wxObject *, wx_static_cast(const wxObject *, \
 319           wx_const_cast(className *, wx_static_cast(const className *, obj)))), \
 320         &className::ms_classInfo))
 321
 322 // The 'this' pointer is always true, so use this version
 323 // to cast the this pointer and avoid compiler warnings.
 324 #define wxDynamicCastThis(className) \
 325      (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)
 326
 327 #ifdef __WXDEBUG__
 328 inline void* wxCheckCast(void *ptr)
 329 {
 330     wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
 331     return ptr;
 332 }
 333 #define wxStaticCast(obj, className) \
 334  ((className *)wxCheckCast(wxDynamicCast(obj, className)))
 335
 336 #else  // !__WXDEBUG__
 337 #define wxStaticCast(obj, className) \
 338     wx_const_cast(className *, wx_static_cast(const className *, obj))
 339
 340 #endif  // __WXDEBUG__
 341
 342 // ----------------------------------------------------------------------------
 343 // set up memory debugging macros
 344 // ----------------------------------------------------------------------------
 345
 346 /*
 347     Which new/delete operator variants do we want?
 348
 349     _WX_WANT_NEW_SIZET_WXCHAR_INT             = void *operator new (size_t size, wxChar *fileName = 0, int lineNum = 0)
 350     _WX_WANT_DELETE_VOID                      = void operator delete (void * buf)
 351     _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET      = void operator delete (void *buf, const char *_fname, size_t _line)
 352     _WX_WANT_DELETE_VOID_WXCHAR_INT           = void operator delete(void *buf, wxChar*, int)
 353     _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT       = void *operator new[] (size_t size, wxChar *fileName , int lineNum = 0)
 354     _WX_WANT_ARRAY_DELETE_VOID                = void operator delete[] (void *buf)
 355     _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT     = void operator delete[] (void* buf, wxChar*, int )
 356 */
 357
 358 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
 359
 360 // All compilers get this one
 361 #define _WX_WANT_NEW_SIZET_WXCHAR_INT
 362
 363 // Everyone except Visage gets the next one
 364 #ifndef __VISAGECPP__
 365     #define _WX_WANT_DELETE_VOID
 366 #endif
 367
 368 // Only visage gets this one under the correct circumstances
 369 #if defined(__VISAGECPP__) && __DEBUG_ALLOC__
 370     #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 371 #endif
 372
 373 // Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new
 374 #if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
 375     #define _WX_WANT_DELETE_VOID_WXCHAR_INT
 376 #endif
 377
 378 // Now see who (if anyone) gets the array memory operators
 379 #if wxUSE_ARRAY_MEMORY_OPERATORS
 380
 381     // Everyone except Visual C++ (cause problems for VC++ - crashes)
 382     #if !defined(__VISUALC__)
 383         #define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
 384     #endif
 385
 386     // Everyone except Visual C++ (cause problems for VC++ - crashes)
 387     #if !defined(__VISUALC__)
 388         #define _WX_WANT_ARRAY_DELETE_VOID
 389     #endif
 390
 391     // Only CodeWarrior 6 or higher
 392     #if defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 393         #define _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
 394     #endif
 395
 396 #endif // wxUSE_ARRAY_MEMORY_OPERATORS
 397
 398 #endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
 399
 400 // ----------------------------------------------------------------------------
 401 // wxObject: the root class of wxWidgets object hierarchy
 402 // ----------------------------------------------------------------------------
 403
 404 class WXDLLIMPEXP_BASE wxObject
 405 {
 406     DECLARE_ABSTRACT_CLASS(wxObject)
 407
 408 private:
 409     void InitFrom(const wxObject& other);
 410
 411 public:
 412     wxObject() { m_refData = NULL; }
 413     virtual ~wxObject() { UnRef(); }
 414
 415     wxObject(const wxObject& other)
 416         {
 417             InitFrom(other);
 418         }
 419
 420     wxObject& operator=(const wxObject& other)
 421     {
 422         if ( this != &other )
 423         {
 424             UnRef();
 425             InitFrom(other);
 426         }
 427         return *this;
 428     }
 429
 430     bool IsKindOf(wxClassInfo *info) const;
 431
 432
 433     // Turn on the correct set of new and delete operators
 434
 435 #ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
 436     void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
 437 #endif
 438
 439 #ifdef _WX_WANT_DELETE_VOID
 440     void operator delete ( void * buf );
 441 #endif
 442
 443 #ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 444     void operator delete ( void *buf, const char *_fname, size_t _line );
 445 #endif
 446
 447 #ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT
 448     void operator delete ( void *buf, const wxChar*, int );
 449 #endif
 450
 451 #ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
 452     void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
 453 #endif
 454
 455 #ifdef _WX_WANT_ARRAY_DELETE_VOID
 456     void operator delete[] ( void *buf );
 457 #endif
 458
 459 #ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
 460     void operator delete[] (void* buf, const wxChar*, int );
 461 #endif
 462
 463     // ref counted data handling methods
 464
 465     // get/set
 466     wxObjectRefData *GetRefData() const { return m_refData; }
 467     void SetRefData(wxObjectRefData *data) { m_refData = data; }
 468
 469     // make a 'clone' of the object
 470     void Ref(const wxObject& clone);
 471
 472     // destroy a reference
 473     void UnRef();
 474
 475
 476     // Reserved for future use
 477     virtual void ReservedObjectFunc1() {}
 478     virtual void ReservedObjectFunc2() {}
 479     virtual void ReservedObjectFunc3() {}
 480     virtual void ReservedObjectFunc4() {}
 481     virtual void ReservedObjectFunc5() {}
 482     virtual void ReservedObjectFunc6() {}
 483     virtual void ReservedObjectFunc7() {}
 484     virtual void ReservedObjectFunc8() {}
 485     // FIXME: turn back into ReservedObjectFunc9() in wx-2.7 (see also FIXME
 486     //        near the top of this file)
 487     virtual void DoHandleEvent(void (wxEvtHandler::*)(wxEvent&), wxEvent&) {}
 488
 489 protected:
 490     // ensure that our data is not shared with anybody else: if we have no
 491     // data, it is created using CreateRefData() below, if we have shared data
 492     // it is copied using CloneRefData(), otherwise nothing is done
 493     void AllocExclusive();
 494
 495     // both methods must be implemented if Unshare() is used, not pure virtual
 496     // only because of the backwards compatibility reasons
 497
 498     // create a new m_refData
 499     virtual wxObjectRefData *CreateRefData() const;
 500
 501     // create a new m_refData initialized with the given one
 502     virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
 503
 504     wxObjectRefData *m_refData;
 505 };
 506
 507 // ----------------------------------------------------------------------------
 508 // wxObjectRefData: ref counted data meant to be stored in wxObject
 509 // ----------------------------------------------------------------------------
 510
 511 class WXDLLIMPEXP_BASE wxObjectRefData
 512 {
 513     friend class WXDLLIMPEXP_BASE wxObject;
 514
 515 public:
 516     wxObjectRefData() : m_count(1) { }
 517     virtual ~wxObjectRefData() { }
 518
 519     int GetRefCount() const { return m_count; }
 520
 521 private:
 522     int m_count;
 523 };
 524
 525
 526 inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
 527 {
 528     return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
 529 }
 530
 531 #if wxUSE_EXTENDED_RTTI
 532 class WXDLLIMPEXP_BASE wxDynamicObject : public wxObject
 533 {
 534     friend class WXDLLIMPEXP_BASE wxDynamicClassInfo ;
 535 public:
 536     // instantiates this object with an instance of its superclass
 537     wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) ;
 538     ~wxDynamicObject();
 539
 540     void SetProperty (const wxChar *propertyName, const wxxVariant &value);
 541     wxxVariant GetProperty (const wxChar *propertyName) const ;
 542
 543     // get the runtime identity of this object
 544     wxClassInfo *GetClassInfo() const
 545     {
 546 #ifdef _MSC_VER
 547         return (wxClassInfo*) m_classInfo;
 548 #else
 549         return wx_const_cast(wxClassInfo *, m_classInfo);
 550 #endif
 551     }
 552
 553     wxObject* GetSuperClassInstance() const
 554     {
 555         return m_superClassInstance ;
 556     }
 557 private :
 558     // removes an existing runtime-property
 559     void RemoveProperty( const wxChar *propertyName ) ;
 560
 561     // renames an existing runtime-property
 562     void RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) ;
 563
 564     wxObject *m_superClassInstance ;
 565     const wxDynamicClassInfo *m_classInfo;
 566     struct wxDynamicObjectInternal;
 567     wxDynamicObjectInternal *m_data;
 568 };
 569 #endif
 570
 571 // ----------------------------------------------------------------------------
 572 // more debugging macros
 573 // ----------------------------------------------------------------------------
 574
 575 #ifdef __WXDEBUG__
 576     #ifndef WXDEBUG_NEW
 577         #define WXDEBUG_NEW new(__TFILE__,__LINE__)
 578     #endif
 579 #else // !__WXDEBUG__
 580     #define WXDEBUG_NEW new
 581 #endif
 582
 583 // Redefine new to be the debugging version. This doesn't work with all
 584 // compilers, in which case you need to use WXDEBUG_NEW explicitly if you wish
 585 // to use the debugging version.
 586
 587 #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 588     #define new new(__TFILE__,__LINE__)
 589 #elif (defined(__WXDEBUG__) && defined(__VISUALC__) && !wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS)
 590     // Including this file redefines new and allows leak reports to contain line numbers
 591     #include "wx/msw/msvcrt.h"
 592 #endif
 593
 594 #endif  // _WX_OBJECTH__
 595