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