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