]> git.saurik.com Git - wxWidgets.git/blame - include/wx/object.h
Made wxAny::IsNull() doc string a bit clearer
[wxWidgets.git] / include / wx / object.h
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
b2edef6f 2// Name: wx/object.h
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3// Purpose: wxObject class, plus run-time type information macros
4// Author: Julian Smart
0b9ab0bd 5// Modified by: Ron Lee
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6// Created: 01/02/97
7// RCS-ID: $Id$
371a5b4e 8// Copyright: (c) 1997 Julian Smart
0b9ab0bd 9// (c) 2001 Ron Lee <ron@debian.org>
65571936 10// Licence: wxWindows licence
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11/////////////////////////////////////////////////////////////////////////////
12
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13#ifndef _WX_OBJECTH__
14#define _WX_OBJECTH__
c801d85f 15
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16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
e55ad60e 20#include "wx/memory.h"
c801d85f 21
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22class WXDLLIMPEXP_FWD_BASE wxObject;
23class WXDLLIMPEXP_FWD_BASE wxString;
c801d85f 24
4393b50c 25#ifndef wxUSE_EXTENDED_RTTI
6d553b5f 26#define wxUSE_EXTENDED_RTTI 0
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27#endif
28
b19b28c8 29#define wxDECLARE_CLASS_INFO_ITERATORS() \
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30 class WXDLLIMPEXP_BASE const_iterator \
31 { \
32 typedef wxHashTable_Node Node; \
33 public: \
34 typedef const wxClassInfo* value_type; \
35 typedef const value_type& const_reference; \
36 typedef const_iterator itor; \
37 typedef value_type* ptr_type; \
38 \
39 Node* m_node; \
40 wxHashTable* m_table; \
41 public: \
42 typedef const_reference reference_type; \
43 typedef ptr_type pointer_type; \
44 \
45 const_iterator(Node* node, wxHashTable* table) \
46 : m_node(node), m_table(table) { } \
47 const_iterator() : m_node(NULL), m_table(NULL) { } \
48 value_type operator*() const; \
49 itor& operator++(); \
50 const itor operator++(int); \
51 bool operator!=(const itor& it) const \
52 { return it.m_node != m_node; } \
53 bool operator==(const itor& it) const \
54 { return it.m_node == m_node; } \
55 }; \
56 \
57 static const_iterator begin_classinfo(); \
b19b28c8 58 static const_iterator end_classinfo()
644cb537 59
6d553b5f 60#if wxUSE_EXTENDED_RTTI
a095505c 61#include "wx/xti.h"
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62#else
63
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64// ----------------------------------------------------------------------------
65// conditional compilation
66// ----------------------------------------------------------------------------
67
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68class WXDLLIMPEXP_FWD_BASE wxClassInfo;
69class WXDLLIMPEXP_FWD_BASE wxHashTable;
70class WXDLLIMPEXP_FWD_BASE wxObject;
71class WXDLLIMPEXP_FWD_BASE wxPluginLibrary;
b5dbe15d 72class WXDLLIMPEXP_FWD_BASE wxHashTable_Node;
c801d85f 73
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74// ----------------------------------------------------------------------------
75// wxClassInfo
76// ----------------------------------------------------------------------------
77
78typedef wxObject *(*wxObjectConstructorFn)(void);
c801d85f 79
bddd7a8d 80class WXDLLIMPEXP_BASE wxClassInfo
c801d85f 81{
b5dbe15d 82 friend class WXDLLIMPEXP_FWD_BASE wxObject;
c1e10a22 83 friend WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
aac65598 84public:
38befbee 85 wxClassInfo( const wxChar *className,
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86 const wxClassInfo *baseInfo1,
87 const wxClassInfo *baseInfo2,
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88 int size,
89 wxObjectConstructorFn ctor )
0b9ab0bd 90 : m_className(className)
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91 , m_objectSize(size)
92 , m_objectConstructor(ctor)
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93 , m_baseInfo1(baseInfo1)
94 , m_baseInfo2(baseInfo2)
0b9ab0bd 95 , m_next(sm_first)
7e548f6b 96 {
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97 sm_first = this;
98 Register();
99 }
0b9ab0bd 100
aa4b7ef9 101 ~wxClassInfo();
1d2eddff 102
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103 wxObject *CreateObject() const
104 { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
0c06c983 105 bool IsDynamic() const { return (NULL != m_objectConstructor); }
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106
107 const wxChar *GetClassName() const { return m_className; }
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108 const wxChar *GetBaseClassName1() const
109 { return m_baseInfo1 ? m_baseInfo1->GetClassName() : NULL; }
110 const wxChar *GetBaseClassName2() const
111 { return m_baseInfo2 ? m_baseInfo2->GetClassName() : NULL; }
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112 const wxClassInfo *GetBaseClass1() const { return m_baseInfo1; }
113 const wxClassInfo *GetBaseClass2() const { return m_baseInfo2; }
114 int GetSize() const { return m_objectSize; }
115
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116 wxObjectConstructorFn GetConstructor() const
117 { return m_objectConstructor; }
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118 static const wxClassInfo *GetFirst() { return sm_first; }
119 const wxClassInfo *GetNext() const { return m_next; }
c1e10a22 120 static wxClassInfo *FindClass(const wxString& className);
807d8487 121
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122 // Climb upwards through inheritance hierarchy.
123 // Dual inheritance is catered for.
124
125 bool IsKindOf(const wxClassInfo *info) const
126 {
127 return info != 0 &&
128 ( info == this ||
129 ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) ||
130 ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) );
131 }
3f4a0c5b 132
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133 wxDECLARE_CLASS_INFO_ITERATORS();
134
644cb537 135private:
0b9ab0bd 136 const wxChar *m_className;
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137 int m_objectSize;
138 wxObjectConstructorFn m_objectConstructor;
139
1125dc3f 140 // Pointers to base wxClassInfos
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141
142 const wxClassInfo *m_baseInfo1;
143 const wxClassInfo *m_baseInfo2;
144
145 // class info object live in a linked list:
146 // pointers to its head and the next element in it
147
148 static wxClassInfo *sm_first;
149 wxClassInfo *m_next;
150
151 static wxHashTable *sm_classTable;
1f428942 152
7e548f6b 153protected:
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154 // registers the class
155 void Register();
156 void Unregister();
1125dc3f 157
c0c133e1 158 wxDECLARE_NO_COPY_CLASS(wxClassInfo);
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159};
160
c1e10a22 161WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
c801d85f 162
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163// ----------------------------------------------------------------------------
164// Dynamic class macros
165// ----------------------------------------------------------------------------
166
b19b28c8 167#define wxDECLARE_ABSTRACT_CLASS(name) \
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168 public: \
169 static wxClassInfo ms_classInfo; \
b19b28c8 170 virtual wxClassInfo *GetClassInfo() const
14ca93a0 171
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172#define wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \
173 wxDECLARE_NO_ASSIGN_CLASS(name); \
174 wxDECLARE_DYNAMIC_CLASS(name)
fc7a2a60 175
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176#define wxDECLARE_DYNAMIC_CLASS_NO_COPY(name) \
177 wxDECLARE_NO_COPY_CLASS(name); \
178 wxDECLARE_DYNAMIC_CLASS(name)
fc7a2a60 179
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180#define wxDECLARE_DYNAMIC_CLASS(name) \
181 wxDECLARE_ABSTRACT_CLASS(name); \
182 static wxObject* wxCreateObject()
14ca93a0 183
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184#define wxDECLARE_CLASS(name) \
185 wxDECLARE_DYNAMIC_CLASS(name)
c801d85f 186
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187
188// common part of the macros below
189#define wxIMPLEMENT_CLASS_COMMON(name, basename, baseclsinfo2, func) \
190 wxClassInfo name::ms_classInfo(wxT(#name), \
191 &basename::ms_classInfo, \
192 baseclsinfo2, \
193 (int) sizeof(name), \
32bb5309 194 func); \
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195 \
196 wxClassInfo *name::GetClassInfo() const \
197 { return &name::ms_classInfo; }
198
199#define wxIMPLEMENT_CLASS_COMMON1(name, basename, func) \
200 wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func)
201
202#define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func) \
2b199a38 203 wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func)
14ca93a0 204
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205// -----------------------------------
206// for concrete classes
207// -----------------------------------
208
209 // Single inheritance with one base class
b19b28c8 210#define wxIMPLEMENT_DYNAMIC_CLASS(name, basename) \
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211 wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject) \
212 wxObject* name::wxCreateObject() \
213 { return new name; }
c801d85f 214
0b9ab0bd 215 // Multiple inheritance with two base classes
b19b28c8 216#define wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \
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217 wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \
218 name::wxCreateObject) \
219 wxObject* name::wxCreateObject() \
220 { return new name; }
c801d85f 221
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222// -----------------------------------
223// for abstract classes
224// -----------------------------------
c801d85f 225
0b9ab0bd 226 // Single inheritance with one base class
b19b28c8 227#define wxIMPLEMENT_ABSTRACT_CLASS(name, basename) \
14ca93a0 228 wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL)
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229
230 // Multiple inheritance with two base classes
b19b28c8 231#define wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \
14ca93a0 232 wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL)
c801d85f 233
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234#define wxIMPLEMENT_CLASS(name, basename) \
235 wxIMPLEMENT_ABSTRACT_CLASS(name, basename)
236
237#define wxIMPLEMENT_CLASS2(name, basename1, basename2) \
238 IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)
c801d85f 239
6d553b5f 240#endif // !wxUSE_EXTENDED_RTTI
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241
242
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243// -----------------------------------
244// for pluggable classes
245// -----------------------------------
246
247 // NOTE: this should probably be the very first statement
248 // in the class declaration so wxPluginSentinel is
249 // the first member initialised and the last destroyed.
250
251// _DECLARE_DL_SENTINEL(name) wxPluginSentinel m_pluginsentinel;
252
253#if wxUSE_NESTED_CLASSES
254
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255#define _DECLARE_DL_SENTINEL(name, exportdecl) \
256class exportdecl name##PluginSentinel { \
257private: \
258 static const wxString sm_className; \
259public: \
260 name##PluginSentinel(); \
2e0b1b11 261 ~name##PluginSentinel(); \
60b73526 262}; \
b19b28c8 263name##PluginSentinel m_pluginsentinel
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264
265#define _IMPLEMENT_DL_SENTINEL(name) \
266 const wxString name::name##PluginSentinel::sm_className(#name); \
267 name::name##PluginSentinel::name##PluginSentinel() { \
4f89dbc4 268 wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name); \
7c1e2b44 269 if( e != 0 ) { e->RefObj(); } \
0b9ab0bd 270 } \
abad5367 271 name::name##PluginSentinel::~name##PluginSentinel() { \
4f89dbc4 272 wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name); \
7c1e2b44 273 if( e != 0 ) { e->UnrefObj(); } \
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274 }
275#else
276
277#define _DECLARE_DL_SENTINEL(name)
278#define _IMPLEMENT_DL_SENTINEL(name)
279
280#endif // wxUSE_NESTED_CLASSES
281
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282#define wxDECLARE_PLUGGABLE_CLASS(name) \
283 wxDECLARE_DYNAMIC_CLASS(name); _DECLARE_DL_SENTINEL(name, WXDLLIMPEXP_CORE)
284#define wxDECLARE_ABSTRACT_PLUGGABLE_CLASS(name) \
285 wxDECLARE_ABSTRACT_CLASS(name); _DECLARE_DL_SENTINEL(name, WXDLLIMPEXP_CORE)
286
287#define wxDECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
288 wxDECLARE_DYNAMIC_CLASS(name); _DECLARE_DL_SENTINEL(name, usergoo)
289#define wxDECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo) \
290 wxDECLARE_ABSTRACT_CLASS(name); _DECLARE_DL_SENTINEL(name, usergoo)
291
292#define wxIMPLEMENT_PLUGGABLE_CLASS(name, basename) \
293 wxIMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
294#define wxIMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2) \
295 wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
296#define wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
297 wxIMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
298#define wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \
299 wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
300
301#define wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
302 wxIMPLEMENT_PLUGGABLE_CLASS(name, basename)
303#define wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2) \
304 wxIMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
305#define wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
306 wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
307#define wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2) \
308 wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
309
310#define wxCLASSINFO(name) (&name::ms_classInfo)
c801d85f 311
c0db9626 312#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::ms_classInfo)
3013b6f4 313
b2edef6f 314// Just seems a bit nicer-looking (pretend it's not a macro)
c0db9626 315#define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo)
c801d85f 316
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317// this cast does some more checks at compile time as it uses static_cast
318// internally
319//
320// note that it still has different semantics from dynamic_cast<> and so can't
321// be replaced by it as long as there are any compilers not supporting it
34636400 322#define wxDynamicCast(obj, className) \
5232d996 323 ((className *) wxCheckDynamicCast( \
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324 const_cast<wxObject *>(static_cast<const wxObject *>(\
325 const_cast<className *>(static_cast<const className *>(obj)))), \
5232d996 326 &className::ms_classInfo))
0b9ab0bd 327
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328// The 'this' pointer is always true, so use this version
329// to cast the this pointer and avoid compiler warnings.
f7637829 330#define wxDynamicCastThis(className) \
73fbb031 331 (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)
33ac7e6f 332
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333// FIXME-VC6: dummy argument needed because VC6 doesn't support explicitly
334// choosing the template function to call
335template <class T>
336inline T *wxCheckCast(const void *ptr, T * = NULL)
0b9ab0bd 337{
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338 wxASSERT_MSG( wxDynamicCast(ptr, T), "wxStaticCast() used incorrectly" );
339 return const_cast<T *>(static_cast<const T *>(ptr));
0b9ab0bd 340}
f6bcfd97 341
657a8a35 342#define wxStaticCast(obj, className) wxCheckCast((obj), (className *)NULL)
f6bcfd97 343
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344// ----------------------------------------------------------------------------
345// set up memory debugging macros
346// ----------------------------------------------------------------------------
347
348/*
349 Which new/delete operator variants do we want?
350
351 _WX_WANT_NEW_SIZET_WXCHAR_INT = void *operator new (size_t size, wxChar *fileName = 0, int lineNum = 0)
352 _WX_WANT_DELETE_VOID = void operator delete (void * buf)
353 _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET = void operator delete (void *buf, const char *_fname, size_t _line)
354 _WX_WANT_DELETE_VOID_WXCHAR_INT = void operator delete(void *buf, wxChar*, int)
355 _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT = void *operator new[] (size_t size, wxChar *fileName , int lineNum = 0)
356 _WX_WANT_ARRAY_DELETE_VOID = void operator delete[] (void *buf)
357 _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT = void operator delete[] (void* buf, wxChar*, int )
358*/
359
657a8a35 360#if wxUSE_MEMORY_TRACING
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361
362// All compilers get this one
363#define _WX_WANT_NEW_SIZET_WXCHAR_INT
364
365// Everyone except Visage gets the next one
366#ifndef __VISAGECPP__
367 #define _WX_WANT_DELETE_VOID
c801d85f 368#endif
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369
370// Only visage gets this one under the correct circumstances
371#if defined(__VISAGECPP__) && __DEBUG_ALLOC__
372 #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
373#endif
374
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375// Only VC++ 6 and CodeWarrior get overloaded delete that matches new
376#if (defined(__VISUALC__) && (__VISUALC__ >= 1200)) || \
377 (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
b2edef6f 378 #define _WX_WANT_DELETE_VOID_WXCHAR_INT
fd85b064 379#endif
c801d85f 380
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381// Now see who (if anyone) gets the array memory operators
382#if wxUSE_ARRAY_MEMORY_OPERATORS
383
384 // Everyone except Visual C++ (cause problems for VC++ - crashes)
385 #if !defined(__VISUALC__)
386 #define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
387 #endif
388
389 // Everyone except Visual C++ (cause problems for VC++ - crashes)
390 #if !defined(__VISUALC__)
391 #define _WX_WANT_ARRAY_DELETE_VOID
392 #endif
393
394 // Only CodeWarrior 6 or higher
395 #if defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
396 #define _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
397 #endif
398
399#endif // wxUSE_ARRAY_MEMORY_OPERATORS
400
657a8a35 401#endif // wxUSE_MEMORY_TRACING
b2edef6f 402
f8855e47 403// ----------------------------------------------------------------------------
6d37c1b7 404// wxRefCounter: ref counted data "manager"
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405// ----------------------------------------------------------------------------
406
6d37c1b7 407class WXDLLIMPEXP_BASE wxRefCounter
f8855e47 408{
f8855e47 409public:
6d37c1b7 410 wxRefCounter() { m_count = 1; }
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411
412 int GetRefCount() const { return m_count; }
413
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414 void IncRef() { m_count++; }
415 void DecRef();
416
417protected:
418 // this object should never be destroyed directly but only as a
419 // result of a DecRef() call:
6d37c1b7 420 virtual ~wxRefCounter() { }
4a11340a 421
f8855e47 422private:
4a11340a 423 // our refcount:
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424 int m_count;
425};
426
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427// ----------------------------------------------------------------------------
428// wxObjectRefData: ref counted data meant to be stored in wxObject
429// ----------------------------------------------------------------------------
430
431typedef wxRefCounter wxObjectRefData;
432
433
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434// ----------------------------------------------------------------------------
435// wxObjectDataPtr: helper class to avoid memleaks because of missing calls
436// to wxObjectRefData::DecRef
437// ----------------------------------------------------------------------------
438
439template <class T>
440class wxObjectDataPtr
441{
442public:
443 typedef T element_type;
444
445 wxEXPLICIT wxObjectDataPtr(T *ptr = NULL) : m_ptr(ptr) {}
446
447 // copy ctor
53a2db12 448 wxObjectDataPtr(const wxObjectDataPtr<T> &tocopy)
4a11340a 449 : m_ptr(tocopy.m_ptr)
53a2db12 450 {
4a11340a 451 if (m_ptr)
53a2db12 452 m_ptr->IncRef();
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453 }
454
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455 ~wxObjectDataPtr()
456 {
457 if (m_ptr)
458 m_ptr->DecRef();
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459 }
460
461 T *get() const { return m_ptr; }
53a2db12 462
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463 // test for pointer validity: defining conversion to unspecified_bool_type
464 // and not more obvious bool to avoid implicit conversions to integer types
465 typedef T *(wxObjectDataPtr<T>::*unspecified_bool_type)() const;
466 operator unspecified_bool_type() const
467 {
468 return m_ptr ? &wxObjectDataPtr<T>::get : NULL;
469 }
470
471 T& operator*() const
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472 {
473 wxASSERT(m_ptr != NULL);
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474 return *(m_ptr);
475 }
53a2db12 476
e39d30c0 477 T *operator->() const
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478 {
479 wxASSERT(m_ptr != NULL);
480 return get();
e39d30c0 481 }
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482
483 void reset(T *ptr)
484 {
485 if (m_ptr)
486 m_ptr->DecRef();
487 m_ptr = ptr;
488 }
489
490 wxObjectDataPtr& operator=(const wxObjectDataPtr &tocopy)
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491 {
492 if (m_ptr)
493 m_ptr->DecRef();
494 m_ptr = tocopy.m_ptr;
4a11340a 495 if (m_ptr)
53a2db12 496 m_ptr->IncRef();
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497 return *this;
498 }
499
500 wxObjectDataPtr& operator=(T *ptr)
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501 {
502 if (m_ptr)
503 m_ptr->DecRef();
504 m_ptr = ptr;
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505 return *this;
506 }
507
508private:
509 T *m_ptr;
510};
511
0b9ab0bd 512// ----------------------------------------------------------------------------
77ffb593 513// wxObject: the root class of wxWidgets object hierarchy
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514// ----------------------------------------------------------------------------
515
bddd7a8d 516class WXDLLIMPEXP_BASE wxObject
c801d85f 517{
b19b28c8 518 wxDECLARE_ABSTRACT_CLASS(wxObject);
c801d85f 519
0b9ab0bd 520public:
b2edef6f 521 wxObject() { m_refData = NULL; }
0b9ab0bd 522 virtual ~wxObject() { UnRef(); }
4393b50c 523
a6391d30 524 wxObject(const wxObject& other)
66e9a9f0 525 {
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526 m_refData = other.m_refData;
527 if (m_refData)
6d37c1b7 528 m_refData->IncRef();
66e9a9f0 529 }
4393b50c 530
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531 wxObject& operator=(const wxObject& other)
532 {
533 if ( this != &other )
534 {
f8855e47 535 Ref(other);
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536 }
537 return *this;
538 }
539
303c6f20 540 bool IsKindOf(const wxClassInfo *info) const;
c801d85f 541
0b9ab0bd 542
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543 // Turn on the correct set of new and delete operators
544
545#ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
cf760e4c 546 void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
0b9ab0bd 547#endif
27198be4 548
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549#ifdef _WX_WANT_DELETE_VOID
550 void operator delete ( void * buf );
551#endif
0b9ab0bd 552
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553#ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
554 void operator delete ( void *buf, const char *_fname, size_t _line );
0b9ab0bd 555#endif
76626af2 556
b2edef6f 557#ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT
cf760e4c 558 void operator delete ( void *buf, const wxChar*, int );
b2edef6f 559#endif
8cfc5426 560
b2edef6f 561#ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
cf760e4c 562 void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
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563#endif
564
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565#ifdef _WX_WANT_ARRAY_DELETE_VOID
566 void operator delete[] ( void *buf );
0b9ab0bd 567#endif
27198be4 568
b2edef6f 569#ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
cf760e4c 570 void operator delete[] (void* buf, const wxChar*, int );
b2edef6f 571#endif
c801d85f 572
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573 // ref counted data handling methods
574
575 // get/set
576 wxObjectRefData *GetRefData() const { return m_refData; }
577 void SetRefData(wxObjectRefData *data) { m_refData = data; }
578
579 // make a 'clone' of the object
0b9ab0bd 580 void Ref(const wxObject& clone);
c801d85f 581
807d8487 582 // destroy a reference
0b9ab0bd 583 void UnRef();
c801d85f 584
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585 // Make sure this object has only one reference
586 void UnShare() { AllocExclusive(); }
587
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588 // check if this object references the same data as the other one
589 bool IsSameAs(const wxObject& o) const { return m_refData == o.m_refData; }
55ccdb93 590
c801d85f 591protected:
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592 // ensure that our data is not shared with anybody else: if we have no
593 // data, it is created using CreateRefData() below, if we have shared data
594 // it is copied using CloneRefData(), otherwise nothing is done
595 void AllocExclusive();
596
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597 // both methods must be implemented if AllocExclusive() is used, not pure
598 // virtual only because of the backwards compatibility reasons
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599
600 // create a new m_refData
601 virtual wxObjectRefData *CreateRefData() const;
602
603 // create a new m_refData initialized with the given one
b8027888 604 virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
807d8487 605
0b9ab0bd 606 wxObjectRefData *m_refData;
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607};
608
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609inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
610{
b2edef6f 611 return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
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612}
613
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614#if wxUSE_EXTENDED_RTTI
615class WXDLLIMPEXP_BASE wxDynamicObject : public wxObject
616{
b5dbe15d 617 friend class WXDLLIMPEXP_FWD_BASE wxDynamicClassInfo ;
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618public:
619 // instantiates this object with an instance of its superclass
620 wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) ;
d3c7fc99 621 virtual ~wxDynamicObject();
2d51f067 622
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623 void SetProperty (const wxChar *propertyName, const wxxVariant &value);
624 wxxVariant GetProperty (const wxChar *propertyName) const ;
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625
626 // get the runtime identity of this object
627 wxClassInfo *GetClassInfo() const
628 {
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629#ifdef _MSC_VER
630 return (wxClassInfo*) m_classInfo;
631#else
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632 wxDynamicClassInfo *nonconst = const_cast<wxDynamicClassInfo *>(m_classInfo);
633 return static_cast<wxClassInfo *>(nonconst);
f525dc35 634#endif
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635 }
636
637 wxObject* GetSuperClassInstance() const
638 {
639 return m_superClassInstance ;
640 }
641private :
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642 // removes an existing runtime-property
643 void RemoveProperty( const wxChar *propertyName ) ;
644
645 // renames an existing runtime-property
646 void RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) ;
647
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648 wxObject *m_superClassInstance ;
649 const wxDynamicClassInfo *m_classInfo;
650 struct wxDynamicObjectInternal;
651 wxDynamicObjectInternal *m_data;
652};
653#endif
654
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655// ----------------------------------------------------------------------------
656// more debugging macros
657// ----------------------------------------------------------------------------
658
657a8a35 659#if wxUSE_DEBUG_NEW_ALWAYS
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660 #define WXDEBUG_NEW new(__TFILE__,__LINE__)
661
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662 #if wxUSE_GLOBAL_MEMORY_OPERATORS
663 #define new WXDEBUG_NEW
664 #elif defined(__VISUALC__)
665 // Including this file redefines new and allows leak reports to
666 // contain line numbers
667 #include "wx/msw/msvcrt.h"
668 #endif
669#endif // wxUSE_DEBUG_NEW_ALWAYS
c801d85f 670
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671// ----------------------------------------------------------------------------
672// Compatibility macro aliases
673// ----------------------------------------------------------------------------
674
675// deprecated variants _not_ requiring a semicolon after them and without wx prefix.
676// (note that also some wx-prefixed macro do _not_ require a semicolon because
677// it's not always possible to force the compire to require it)
678
679#define DECLARE_CLASS_INFO_ITERATORS() wxDECLARE_CLASS_INFO_ITERATORS();
680#define DECLARE_ABSTRACT_CLASS(n) wxDECLARE_ABSTRACT_CLASS(n);
681#define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(n) wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(n);
682#define DECLARE_DYNAMIC_CLASS_NO_COPY(n) wxDECLARE_DYNAMIC_CLASS_NO_COPY(n);
683#define DECLARE_DYNAMIC_CLASS(n) wxDECLARE_DYNAMIC_CLASS(n);
684#define DECLARE_CLASS(n) wxDECLARE_CLASS(n);
685
686#define IMPLEMENT_DYNAMIC_CLASS(n,b) wxIMPLEMENT_DYNAMIC_CLASS(n,b)
687#define IMPLEMENT_DYNAMIC_CLASS2(n,b1,b2) wxIMPLEMENT_DYNAMIC_CLASS2(n,b1,b2)
688#define IMPLEMENT_ABSTRACT_CLASS(n,b) wxIMPLEMENT_ABSTRACT_CLASS(n,b)
689#define IMPLEMENT_ABSTRACT_CLASS2(n,b1,b2) wxIMPLEMENT_ABSTRACT_CLASS2(n,b1,b2)
690#define IMPLEMENT_CLASS(n,b) wxIMPLEMENT_CLASS(n,b)
691#define IMPLEMENT_CLASS2(n,b1,b2) wxIMPLEMENT_CLASS2(n,b1,b2)
692
693#define DECLARE_PLUGGABLE_CLASS(n) wxDECLARE_PLUGGABLE_CLASS(n);
694#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(n) wxDECLARE_ABSTRACT_PLUGGABLE_CLASS(n);
695#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(n,u) wxDECLARE_USER_EXPORTED_PLUGGABLE_CLASS(n,u);
696#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,u) wxDECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,u);
697
698#define IMPLEMENT_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_PLUGGABLE_CLASS(n,b)
699#define IMPLEMENT_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_PLUGGABLE_CLASS2(n,b,b2)
700#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(n,b)
701#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2)
702#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(n,b)
703#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(n,b,b2)
704#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,b) wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,b)
705#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2) wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2)
706
707#define CLASSINFO(n) wxCLASSINFO(n)
708
c0089c96 709#endif // _WX_OBJECTH__