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[wxWidgets.git] / include / wx / list.h
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
c0089c96 2// Name: wx/list.h
c801d85f
KB		 3// Purpose: wxList, wxStringList classes
4// Author: Julian Smart
fd3f686c 5// Modified by: VZ at 16/11/98: WX_DECLARE_LIST() and typesafe lists added
c801d85f
KB		 6// Created: 29/01/98
7// RCS-ID: $Id$
8// Copyright: (c) 1998 Julian Smart
65571936 9// Licence: wxWindows licence
c801d85f
KB		 10/////////////////////////////////////////////////////////////////////////////
11
fd3f686c
VZ		 12/*
13 All this is quite ugly but serves two purposes:
14 1. Be almost 100% compatible with old, untyped, wxList class
15 2. Ensure compile-time type checking for the linked lists
16
17 The idea is to have one base class (wxListBase) working with "void *" data,
18 but to hide these untyped functions - i.e. make them protected, so they
19 can only be used from derived classes which have inline member functions
20 working with right types. This achieves the 2nd goal. As for the first one,
21 we provide a special derivation of wxListBase called wxList which looks just
22 like the old class.
23*/
24
162e998c
PC		 25#ifndef _WX_LIST_H_
26#define _WX_LIST_H_
c801d85f 27
fd3f686c
VZ		 28// -----------------------------------------------------------------------------
29// headers
30// -----------------------------------------------------------------------------
31
c801d85f
KB		 32#include "wx/defs.h"
33#include "wx/object.h"
3bef6c4c 34#include "wx/string.h"
c801d85f 35
df5168c4
MB		 36#if wxUSE_STL
37 #include "wx/beforestd.h"
ed1288c1
VZ		 38 #include <algorithm>
39 #include <iterator>
df5168c4
MB		 40 #include <list>
41 #include "wx/afterstd.h"
df5168c4
MB		 42#endif
43
44// ----------------------------------------------------------------------------
45// types
46// ----------------------------------------------------------------------------
47
b5dbe15d 48class WXDLLIMPEXP_FWD_BASE wxObjectListNode;
fd3f686c
VZ		 49typedef wxObjectListNode wxNode;
50
df5168c4 51#if wxUSE_STL
fd3f686c 52
df5168c4
MB		 53#define wxLIST_COMPATIBILITY
54
55#define WX_DECLARE_LIST_3(elT, dummy1, liT, dummy2, decl) \
f794be6a 56 WX_DECLARE_LIST_WITH_DECL(elT, liT, decl)
6de44038
VZ		 57#define WX_DECLARE_LIST_PTR_3(elT, dummy1, liT, dummy2, decl) \
58 WX_DECLARE_LIST_3(elT, dummy1, liT, dummy2, decl)
df5168c4
MB		 59
60#define WX_DECLARE_LIST_2(elT, liT, dummy, decl) \
f794be6a 61 WX_DECLARE_LIST_WITH_DECL(elT, liT, decl)
6de44038
VZ		 62#define WX_DECLARE_LIST_PTR_2(elT, liT, dummy, decl) \
63 WX_DECLARE_LIST_2(elT, liT, dummy, decl) \
df5168c4 64
f794be6a 65#define WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) \
df5168c4
MB		 66 WX_DECLARE_LIST_XO(elT*, liT, decl)
67
a4c1cdc9 68#if !defined(__VISUALC__) || __VISUALC__ >= 1300 // == !VC6
168da56b 69
30bda36c 70template<class T>
c6ed0728 71class wxList_SortFunction
30bda36c
MB		 72{
73public:
74 wxList_SortFunction(wxSortCompareFunction f) : m_f(f) { }
75 bool operator()(const T& i1, const T& i2)
76 { return m_f((T*)&i1, (T*)&i2) < 0; }
77private:
78 wxSortCompareFunction m_f;
79};
80
168da56b 81#define WX_LIST_SORTFUNCTION( elT, f ) wxList_SortFunction<elT>(f)
cae92a49 82#define WX_LIST_VC6_WORKAROUND(elT, liT, decl)
168da56b 83
a4c1cdc9 84#else // if defined( __VISUALC__ ) && __VISUALC__ < 1300 // == VC6
168da56b 85
543ab300 86#define WX_LIST_SORTFUNCTION( elT, f ) std::greater<elT>( f )
cae92a49 87#define WX_LIST_VC6_WORKAROUND(elT, liT, decl) \
168da56b
MB		 88 decl liT; \
89 \
90 /* Workaround for broken VC6 STL incorrectly requires a std::greater<> */ \
91 /* to be passed into std::list::sort() */ \
92 template <> \
93 struct std::greater<elT> \
94 { \
95 private: \
96 wxSortCompareFunction m_CompFunc; \
97 public: \
98 greater( wxSortCompareFunction compfunc = NULL ) \
99 : m_CompFunc( compfunc ) {} \
100 bool operator()(const elT X, const elT Y) const \
101 { \
102 return m_CompFunc ? \
8a7afe4d
VS		 103 ( m_CompFunc( wxListCastElementToVoidPtr(X), \
104 wxListCastElementToVoidPtr(Y) ) < 0 ) : \
168da56b
MB		 105 ( X > Y ); \
106 } \
107 };
108
8a7afe4d
VS		 109// helper for std::greater<elT> above:
110template<typename T>
111inline const void *wxListCastElementToVoidPtr(const T* ptr) { return ptr; }
112inline const void *wxListCastElementToVoidPtr(const wxString& str)
113 { return (const char*)str; }
114
a4c1cdc9 115#endif // VC6/!VC6
168da56b 116
30a29593 117/*
7d13fbc6 118 Note 1: the outer helper class _WX_LIST_HELPER_##liT below is a workaround
30a29593
VZ		 119 for mingw 3.2.3 compiler bug that prevents a static function of liT class
120 from being exported into dll. A minimal code snippet reproducing the bug:
121
53a2db12 122 struct WXDLLIMPEXP_CORE Foo
30a29593
VZ		 123 {
124 static void Bar();
125 struct SomeInnerClass
126 {
127 friend class Foo; // comment this out to make it link
128 };
129 ~Foo()
130 {
131 Bar();
132 }
133 };
134
135 The program does not link under mingw_gcc 3.2.3 producing undefined
136 reference to Foo::Bar() function
7d13fbc6
VZ		 137
138
139 Note 2: the EmptyList is needed to allow having a NULL pointer-like
140 invalid iterator. We used to use just an uninitialized iterator object
141 instead but this fails with some debug/checked versions of STL, notably the
142 glibc version activated with _GLIBCXX_DEBUG, so we need to have a separate
143 invalid iterator.
30a29593
VZ		 144 */
145
146// the real wxList-class declaration
ed1288c1 147#define WX_DECLARE_LIST_XO(elT, liT, decl) \
3871d4ca 148 decl _WX_LIST_HELPER_##liT \
30a29593
VZ		 149 { \
150 typedef elT _WX_LIST_ITEM_TYPE_##liT; \
151 public: \
152 static void DeleteFunction( _WX_LIST_ITEM_TYPE_##liT X ); \
153 }; \
154 \
cae92a49 155 WX_LIST_VC6_WORKAROUND(elT, liT, decl) \
831c2889
VZ		 156 decl liT : public std::list<elT> \
157 { \
158 private: \
7d13fbc6
VZ		 159 typedef std::list<elT> BaseListType; \
160 static BaseListType EmptyList; \
161 \
831c2889 162 bool m_destroy; \
cd840087 163 \
ed1288c1 164 public: \
d294c9db 165 decl compatibility_iterator \
df5168c4 166 { \
ed1288c1 167 private: \
cd840087
VZ		 168 /* Workaround for broken VC6 nested class name resolution */ \
169 typedef std::list<elT>::iterator iterator; \
170 friend class liT; \
171 \
df5168c4
MB		 172 iterator m_iter; \
173 liT * m_list; \
cd840087 174 \
df5168c4 175 public: \
ed1288c1 176 compatibility_iterator() \
7d13fbc6 177 : m_iter(EmptyList.end()), m_list( NULL ) {} \
ed1288c1
VZ		 178 compatibility_iterator( liT* li, iterator i ) \
179 : m_iter( i ), m_list( li ) {} \
180 compatibility_iterator( const liT* li, iterator i ) \
181 : m_iter( i ), m_list( const_cast< liT* >( li ) ) {} \
182 \
183 compatibility_iterator* operator->() { return this; } \
184 const compatibility_iterator* operator->() const { return this; } \
185 \
60d8e886 186 bool operator==(const compatibility_iterator& i) const \
b4affacc
VZ		 187 { \
188 wxASSERT_MSG( m_list && i.m_list, \
189 _T("comparing invalid iterators is illegal") ); \
190 return (m_list == i.m_list) && (m_iter == i.m_iter); \
191 } \
60d8e886 192 bool operator!=(const compatibility_iterator& i) const \
ed1288c1 193 { return !( operator==( i ) ); } \
df5168c4 194 operator bool() const \
ed1288c1 195 { return m_list ? m_iter != m_list->end() : false; } \
df5168c4 196 bool operator !() const \
ed1288c1 197 { return !( operator bool() ); } \
df5168c4 198 \
df5168c4 199 elT GetData() const \
ed1288c1
VZ		 200 { return *m_iter; } \
201 void SetData( elT e ) \
202 { *m_iter = e; } \
203 \
204 compatibility_iterator GetNext() const \
df5168c4 205 { \
ed1288c1
VZ		 206 iterator i = m_iter; \
207 return compatibility_iterator( m_list, ++i ); \
df5168c4 208 } \
ed1288c1 209 compatibility_iterator GetPrevious() const \
df5168c4 210 { \
5d9ef6de
VZ		 211 if ( m_iter == m_list->begin() ) \
212 return compatibility_iterator(); \
213 \
ed1288c1
VZ		 214 iterator i = m_iter; \
215 return compatibility_iterator( m_list, --i ); \
df5168c4 216 } \
ed1288c1 217 int IndexOf() const \
df5168c4 218 { \
0b6cf205
VZ		 219 return *this ? std::distance( m_list->begin(), m_iter ) \
220 : wxNOT_FOUND; \
df5168c4 221 } \
df5168c4 222 }; \
ed1288c1
VZ		 223 public: \
224 liT() : m_destroy( false ) {} \
225 \
226 compatibility_iterator Find( const elT e ) const \
df5168c4 227 { \
ed1288c1
VZ		 228 liT* _this = const_cast< liT* >( this ); \
229 return compatibility_iterator( _this, \
230 std::find( _this->begin(), _this->end(), e ) ); \
df5168c4 231 } \
df5168c4 232 \
ed1288c1
VZ		 233 bool IsEmpty() const \
234 { return empty(); } \
235 size_t GetCount() const \
236 { return size(); } \
237 int Number() const \
238 { return static_cast< int >( GetCount() ); } \
239 \
240 compatibility_iterator Item( size_t idx ) const \
df5168c4 241 { \
ed1288c1
VZ		 242 iterator i = const_cast< liT* >(this)->begin(); \
243 std::advance( i, idx ); \
244 return compatibility_iterator( this, i ); \
245 } \
af867f95 246 elT operator[](size_t idx) const \
9ea1246b 247 { \
af867f95 248 return Item(idx).GetData(); \
9ea1246b
VZ		 249 } \
250 \
ed1288c1
VZ		 251 compatibility_iterator GetFirst() const \
252 { \
253 return compatibility_iterator( this, \
254 const_cast< liT* >(this)->begin() ); \
255 } \
256 compatibility_iterator GetLast() const \
257 { \
258 iterator i = const_cast< liT* >(this)->end(); \
259 return compatibility_iterator( this, !empty() ? --i : i ); \
260 } \
261 compatibility_iterator Member( elT e ) const \
262 { return Find( e ); } \
263 compatibility_iterator Nth( int n ) const \
264 { return Item( n ); } \
265 int IndexOf( elT e ) const \
266 { return Find( e ).IndexOf(); } \
267 \
268 compatibility_iterator Append( elT e ) \
269 { \
270 push_back( e ); \
271 return GetLast(); \
272 } \
273 compatibility_iterator Insert( elT e ) \
274 { \
275 push_front( e ); \
276 return compatibility_iterator( this, begin() ); \
277 } \
8ad170cb 278 compatibility_iterator Insert(const compatibility_iterator & i, elT e)\
ed1288c1
VZ		 279 { \
280 return compatibility_iterator( this, insert( i.m_iter, e ) ); \
281 } \
282 compatibility_iterator Insert( size_t idx, elT e ) \
283 { \
284 return compatibility_iterator( this, \
285 insert( Item( idx ).m_iter, e ) ); \
286 } \
287 \
288 void DeleteContents( bool destroy ) \
289 { m_destroy = destroy; } \
290 bool GetDeleteContents() const \
291 { return m_destroy; } \
292 void Erase( const compatibility_iterator& i ) \
293 { \
294 if ( m_destroy ) \
30a29593 295 _WX_LIST_HELPER_##liT::DeleteFunction( i->GetData() ); \
ed1288c1
VZ		 296 erase( i.m_iter ); \
297 } \
298 bool DeleteNode( const compatibility_iterator& i ) \
299 { \
300 if( i ) \
df5168c4 301 { \
ed1288c1 302 Erase( i ); \
df5168c4
MB		 303 return true; \
304 } \
305 return false; \
306 } \
ed1288c1 307 bool DeleteObject( elT e ) \
df5168c4 308 { \
ed1288c1 309 return DeleteNode( Find( e ) ); \
df5168c4 310 } \
ed1288c1 311 void Clear() \
df5168c4 312 { \
ed1288c1 313 if ( m_destroy ) \
30a29593
VZ		 314 std::for_each( begin(), end(), \
315 _WX_LIST_HELPER_##liT::DeleteFunction ); \
ed1288c1 316 clear(); \
df5168c4 317 } \
831c2889 318 /* Workaround for broken VC6 std::list::sort() see above */ \
ed1288c1 319 void Sort( wxSortCompareFunction compfunc ) \
168da56b 320 { sort( WX_LIST_SORTFUNCTION( elT, compfunc ) ); } \
ed1288c1 321 ~liT() { Clear(); } \
cd840087
VZ		 322 \
323 /* It needs access to our EmptyList */ \
e5eaf557 324 friend class compatibility_iterator; \
df5168c4
MB		 325 }
326
327#define WX_DECLARE_LIST(elementtype, listname) \
f794be6a 328 WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class)
6de44038
VZ		 329#define WX_DECLARE_LIST_PTR(elementtype, listname) \
330 WX_DECLARE_LIST(elementtype, listname)
df5168c4
MB		 331
332#define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \
53a2db12 333 WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLIMPEXP_CORE)
6de44038
VZ		 334#define WX_DECLARE_EXPORTED_LIST_PTR(elementtype, listname) \
335 WX_DECLARE_EXPORTED_LIST(elementtype, listname)
df5168c4
MB		 336
337#define WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo) \
f794be6a 338 WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class usergoo)
6de44038
VZ		 339#define WX_DECLARE_USER_EXPORTED_LIST_PTR(elementtype, listname, usergoo) \
340 WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo)
df5168c4
MB		 341
342// this macro must be inserted in your program after
c0089c96 343// #include "wx/listimpl.cpp"
df5168c4
MB		 344#define WX_DEFINE_LIST(name) "don't forget to include listimpl.cpp!"
345
346#define WX_DEFINE_EXPORTED_LIST(name) WX_DEFINE_LIST(name)
347#define WX_DEFINE_USER_EXPORTED_LIST(name) WX_DEFINE_LIST(name)
348
349#else // if !wxUSE_STL
350
df5168c4 351
df5168c4
MB		 352// undef it to get rid of old, deprecated functions
353#define wxLIST_COMPATIBILITY
fd3f686c
VZ		 354
355// -----------------------------------------------------------------------------
356// key stuff: a list may be optionally keyed on integer or string key
357// -----------------------------------------------------------------------------
358
359union wxListKeyValue
c801d85f 360{
c801d85f 361 long integer;
81727065 362 wxString *string;
c801d85f
KB		 363};
364
fd3f686c
VZ		 365// a struct which may contain both types of keys
366//
367// implementation note: on one hand, this class allows to have only one function
368// for any keyed operation instead of 2 almost equivalent. OTOH, it's needed to
369// resolve ambiguity which we would otherwise have with wxStringList::Find() and
370// wxList::Find(const char *).
bddd7a8d 371class WXDLLIMPEXP_BASE wxListKey
fd3f686c
VZ		 372{
373public:
374 // implicit ctors
f2af4afb
GD		 375 wxListKey() : m_keyType(wxKEY_NONE)
376 { }
377 wxListKey(long i) : m_keyType(wxKEY_INTEGER)
378 { m_key.integer = i; }
f2af4afb 379 wxListKey(const wxString& s) : m_keyType(wxKEY_STRING)
81727065 380 { m_key.string = new wxString(s); }
5abefd04
VS		 381 wxListKey(const char *s) : m_keyType(wxKEY_STRING)
382 { m_key.string = new wxString(s); }
383 wxListKey(const wchar_t *s) : m_keyType(wxKEY_STRING)
384 { m_key.string = new wxString(s); }
fd3f686c
VZ		 385
386 // accessors
387 wxKeyType GetKeyType() const { return m_keyType; }
81727065
VS		 388 const wxString GetString() const
389 { wxASSERT( m_keyType == wxKEY_STRING ); return *m_key.string; }
fd3f686c
VZ		 390 long GetNumber() const
391 { wxASSERT( m_keyType == wxKEY_INTEGER ); return m_key.integer; }
392
6164d85e
JS		 393 // comparison
394 // Note: implementation moved to list.cpp to prevent BC++ inline
395 // expansion warning.
396 bool operator==(wxListKeyValue value) const ;
fd3f686c
VZ		 397
398 // dtor
399 ~wxListKey()
400 {
401 if ( m_keyType == wxKEY_STRING )
81727065 402 delete m_key.string;
fd3f686c
VZ		 403 }
404
405private:
406 wxKeyType m_keyType;
407 wxListKeyValue m_key;
408};
409
410// -----------------------------------------------------------------------------
411// wxNodeBase class is a (base for) node in a double linked list
412// -----------------------------------------------------------------------------
413
16cba29d 414extern WXDLLIMPEXP_DATA_BASE(wxListKey) wxDefaultListKey;
2432b92d 415
b5dbe15d 416class WXDLLIMPEXP_FWD_BASE wxListBase;
fbfb3fb3 417
bddd7a8d 418class WXDLLIMPEXP_BASE wxNodeBase
fd3f686c
VZ		 419{
420friend class wxListBase;
421public:
422 // ctor
c23b255a
VZ		 423 wxNodeBase(wxListBase *list = NULL,
424 wxNodeBase *previous = NULL,
425 wxNodeBase *next = NULL,
fd3f686c 426 void *data = NULL,
2432b92d 427 const wxListKey& key = wxDefaultListKey);
fd3f686c
VZ		 428
429 virtual ~wxNodeBase();
430
f03fc89f 431 // FIXME no check is done that the list is really keyed on strings
81727065 432 wxString GetKeyString() const { return *m_key.string; }
74e34480 433 long GetKeyInteger() const { return m_key.integer; }
fd3f686c 434
4fabb575 435 // Necessary for some existing code
81727065 436 void SetKeyString(const wxString& s) { m_key.string = new wxString(s); }
4fabb575
JS		 437 void SetKeyInteger(long i) { m_key.integer = i; }
438
fd3f686c 439#ifdef wxLIST_COMPATIBILITY
b1d4dd7a
RL		 440 // compatibility methods, use Get* instead.
441 wxDEPRECATED( wxNode *Next() const );
442 wxDEPRECATED( wxNode *Previous() const );
443 wxDEPRECATED( wxObject *Data() const );
fd3f686c
VZ		 444#endif // wxLIST_COMPATIBILITY
445
446protected:
447 // all these are going to be "overloaded" in the derived classes
448 wxNodeBase *GetNext() const { return m_next; }
449 wxNodeBase *GetPrevious() const { return m_previous; }
450
451 void *GetData() const { return m_data; }
452 void SetData(void *data) { m_data = data; }
453
3c67202d 454 // get 0-based index of this node within the list or wxNOT_FOUND
77c5eefb
VZ		 455 int IndexOf() const;
456
fd3f686c 457 virtual void DeleteData() { }
df5168c4
MB		 458public:
459 // for wxList::iterator
5c33522f 460 void** GetDataPtr() const { return &(const_cast<wxNodeBase*>(this)->m_data); }
fd3f686c
VZ		 461private:
462 // optional key stuff
463 wxListKeyValue m_key;
464
465 void *m_data; // user data
466 wxNodeBase *m_next, // next and previous nodes in the list
467 *m_previous;
468
469 wxListBase *m_list; // list we belong to
f2af4afb 470
c0c133e1 471 wxDECLARE_NO_COPY_CLASS(wxNodeBase);
fd3f686c
VZ		 472};
473
474// -----------------------------------------------------------------------------
475// a double-linked list class
476// -----------------------------------------------------------------------------
f98bd52a 477
b5dbe15d 478class WXDLLIMPEXP_FWD_BASE wxList;
b1d4dd7a 479
7e59e3d0 480class WXDLLIMPEXP_BASE wxListBase
fd3f686c 481{
e5eaf557 482friend class wxNodeBase; // should be able to call DetachNode()
bcaa23de 483friend class wxHashTableBase; // should be able to call untyped Find()
5a8231ef 484
fd3f686c
VZ		 485public:
486 // default ctor & dtor
f2af4afb
GD		 487 wxListBase(wxKeyType keyType = wxKEY_NONE)
488 { Init(keyType); }
fd3f686c
VZ		 489 virtual ~wxListBase();
490
491 // accessors
492 // count of items in the list
493 size_t GetCount() const { return m_count; }
c801d85f 494
f644b28c 495 // return true if this list is empty
b79a8705
VZ		 496 bool IsEmpty() const { return m_count == 0; }
497
fd3f686c 498 // operations
e146b8c8 499
fd3f686c 500 // delete all nodes
db9504c5 501 void Clear();
e146b8c8 502
fd3f686c
VZ		 503 // instruct it to destroy user data when deleting nodes
504 void DeleteContents(bool destroy) { m_destroy = destroy; }
505
907789a0
RR		 506 // query if to delete
507 bool GetDeleteContents() const
508 { return m_destroy; }
e146b8c8 509
907789a0
RR		 510 // get the keytype
511 wxKeyType GetKeyType() const
512 { return m_keyType; }
513
514 // set the keytype (required by the serial code)
515 void SetKeyType(wxKeyType keyType)
516 { wxASSERT( m_count==0 ); m_keyType = keyType; }
517
e146b8c8 518#ifdef wxLIST_COMPATIBILITY
b1d4dd7a
RL		 519 // compatibility methods from old wxList
520 wxDEPRECATED( int Number() const ); // use GetCount instead.
521 wxDEPRECATED( wxNode *First() const ); // use GetFirst
522 wxDEPRECATED( wxNode *Last() const ); // use GetLast
523 wxDEPRECATED( wxNode *Nth(size_t n) const ); // use Item
524
525 // kludge for typesafe list migration in core classes.
526 wxDEPRECATED( operator wxList&() const );
e146b8c8
VZ		 527#endif // wxLIST_COMPATIBILITY
528
fd3f686c 529protected:
a3ef5bf5 530
fd3f686c
VZ		 531 // all methods here are "overloaded" in derived classes to provide compile
532 // time type checking
533
534 // create a node for the list of this type
535 virtual wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next,
536 void *data,
2432b92d 537 const wxListKey& key = wxDefaultListKey) = 0;
fd3f686c 538
a3ef5bf5 539
fd3f686c
VZ		 540 // ctors
541 // from an array
542 wxListBase(size_t count, void *elements[]);
543 // from a sequence of objects
544 wxListBase(void *object, ... /* terminate with NULL */);
545
a3ef5bf5 546protected:
00e09270
VZ		 547 void Assign(const wxListBase& list)
548 { Clear(); DoCopy(list); }
fd3f686c
VZ		 549
550 // get list head/tail
551 wxNodeBase *GetFirst() const { return m_nodeFirst; }
552 wxNodeBase *GetLast() const { return m_nodeLast; }
553
554 // by (0-based) index
555 wxNodeBase *Item(size_t index) const;
556
557 // get the list item's data
2b5f62a0
VZ		 558 void *operator[](size_t n) const
559 {
560 wxNodeBase *node = Item(n);
561
c23b255a 562 return node ? node->GetData() : NULL;
2b5f62a0 563 }
fd3f686c
VZ		 564
565 // operations
566 // append to end of list
890f8a7c
RR		 567 wxNodeBase *Prepend(void *object)
568 { return (wxNodeBase *)wxListBase::Insert(object); }
569 // append to beginning of list
fd3f686c
VZ		 570 wxNodeBase *Append(void *object);
571 // insert a new item at the beginning of the list
c23b255a
VZ		 572 wxNodeBase *Insert(void *object)
573 { return Insert(static_cast<wxNodeBase *>(NULL), object); }
d8996187
VZ		 574 // insert a new item at the given position
575 wxNodeBase *Insert(size_t pos, void *object)
576 { return pos == GetCount() ? Append(object)
577 : Insert(Item(pos), object); }
fd3f686c
VZ		 578 // insert before given node or at front of list if prev == NULL
579 wxNodeBase *Insert(wxNodeBase *prev, void *object);
580
581 // keyed append
582 wxNodeBase *Append(long key, void *object);
81727065 583 wxNodeBase *Append(const wxString& key, void *object);
fd3f686c
VZ		 584
585 // removes node from the list but doesn't delete it (returns pointer
586 // to the node or NULL if it wasn't found in the list)
587 wxNodeBase *DetachNode(wxNodeBase *node);
f644b28c 588 // delete element from list, returns false if node not found
fd3f686c
VZ		 589 bool DeleteNode(wxNodeBase *node);
590 // finds object pointer and deletes node (and object if DeleteContents
f644b28c 591 // is on), returns false if object not found
77c5eefb 592 bool DeleteObject(void *object);
fd3f686c
VZ		 593
594 // search (all return NULL if item not found)
595 // by data
22d080f3 596 wxNodeBase *Find(const void *object) const;
fd3f686c
VZ		 597
598 // by key
599 wxNodeBase *Find(const wxListKey& key) const;
600
3c67202d 601 // get 0-based index of object or wxNOT_FOUND
77c5eefb
VZ		 602 int IndexOf( void *object ) const;
603
fd3f686c
VZ		 604 // this function allows the sorting of arbitrary lists by giving
605 // a function to compare two list elements. The list is sorted in place.
6164d85e 606 void Sort(const wxSortCompareFunction compfunc);
fd3f686c
VZ		 607
608 // functions for iterating over the list
609 void *FirstThat(wxListIterateFunction func);
610 void ForEach(wxListIterateFunction func);
611 void *LastThat(wxListIterateFunction func);
e146b8c8 612
df5168c4
MB		 613 // for STL interface, "last" points to one after the last node
614 // of the controlled sequence (NULL for the end of the list)
615 void Reverse();
616 void DeleteNodes(wxNodeBase* first, wxNodeBase* last);
fd3f686c 617private:
5a8231ef
WS		 618
619 // common part of all ctors
620 void Init(wxKeyType keyType = wxKEY_NONE);
621
fd3f686c 622 // helpers
fd3f686c
VZ		 623 // common part of copy ctor and assignment operator
624 void DoCopy(const wxListBase& list);
625 // common part of all Append()s
626 wxNodeBase *AppendCommon(wxNodeBase *node);
627 // free node's data and node itself
628 void DoDeleteNode(wxNodeBase *node);
629
630 size_t m_count; // number of elements in the list
631 bool m_destroy; // destroy user data when deleting list items?
632 wxNodeBase *m_nodeFirst, // pointers to the head and tail of the list
633 *m_nodeLast;
634
635 wxKeyType m_keyType; // type of our keys (may be wxKEY_NONE)
636};
637
638// -----------------------------------------------------------------------------
639// macros for definition of "template" list type
640// -----------------------------------------------------------------------------
641
642// and now some heavy magic...
643
644// declare a list type named 'name' and containing elements of type 'T *'
645// (as a by product of macro expansion you also get wx##name##Node
ce3ed50d 646// wxNode-derived type)
fd3f686c
VZ		 647//
648// implementation details:
ce3ed50d 649// 1. We define _WX_LIST_ITEM_TYPE_##name typedef to save in it the item type
fd3f686c
VZ		 650// for the list of given type - this allows us to pass only the list name
651// to WX_DEFINE_LIST() even if it needs both the name and the type
652//
ce3ed50d
JS		 653// 2. We redefine all non-type-safe wxList functions with type-safe versions
654// which don't take any space (everything is inline), but bring compile
fd3f686c 655// time error checking.
f03fc89f
VZ		 656//
657// 3. The macro which is usually used (WX_DECLARE_LIST) is defined in terms of
658// a more generic WX_DECLARE_LIST_2 macro which, in turn, uses the most
659// generic WX_DECLARE_LIST_3 one. The last macro adds a sometimes
660// interesting capability to store polymorphic objects in the list and is
661// particularly useful with, for example, "wxWindow *" list where the
662// wxWindowBase pointers are put into the list, but wxWindow pointers are
663// retrieved from it.
6de44038
VZ		 664//
665// 4. final hack is that WX_DECLARE_LIST_3 is defined in terms of
666// WX_DECLARE_LIST_4 to allow defining classes without operator->() as
667// it results in compiler warnings when this operator doesn't make sense
668// (i.e. stored elements are not pointers)
f03fc89f 669
6de44038
VZ		 670// common part of WX_DECLARE_LIST_3 and WX_DECLARE_LIST_PTR_3
671#define WX_DECLARE_LIST_4(T, Tbase, name, nodetype, classexp, ptrop) \
ba059d80 672 typedef int (*wxSortFuncFor_##name)(const T **, const T **); \
fd3f686c 673 \
f6bcfd97 674 classexp nodetype : public wxNodeBase \
fd3f686c
VZ		 675 { \
676 public: \
c23b255a
VZ		 677 nodetype(wxListBase *list = NULL, \
678 nodetype *previous = NULL, \
679 nodetype *next = NULL, \
680 T *data = NULL, \
e146b8c8 681 const wxListKey& key = wxDefaultListKey) \
fd3f686c
VZ		 682 : wxNodeBase(list, previous, next, data, key) { } \
683 \
684 nodetype *GetNext() const \
685 { return (nodetype *)wxNodeBase::GetNext(); } \
686 nodetype *GetPrevious() const \
687 { return (nodetype *)wxNodeBase::GetPrevious(); } \
688 \
689 T *GetData() const \
690 { return (T *)wxNodeBase::GetData(); } \
691 void SetData(T *data) \
692 { wxNodeBase::SetData(data); } \
693 \
60d8e886 694 protected: \
fd3f686c 695 virtual void DeleteData(); \
cd989b24
VZ		 696 \
697 DECLARE_NO_COPY_CLASS(nodetype) \
fd3f686c
VZ		 698 }; \
699 \
f6bcfd97 700 classexp name : public wxListBase \
fd3f686c
VZ		 701 { \
702 public: \
e2a3cc0c 703 typedef nodetype Node; \
d294c9db 704 classexp compatibility_iterator \
0cc70962
VZ		 705 { \
706 public: \
707 compatibility_iterator(Node *ptr = NULL) : m_ptr(ptr) { } \
708 \
709 Node *operator->() const { return m_ptr; } \
710 operator Node *() const { return m_ptr; } \
711 \
712 private: \
713 Node *m_ptr; \
714 }; \
e2a3cc0c 715 \
fd3f686c
VZ		 716 name(wxKeyType keyType = wxKEY_NONE) : wxListBase(keyType) \
717 { } \
00e09270
VZ		 718 name(const name& list) : wxListBase(list.GetKeyType()) \
719 { Assign(list); } \
fd3f686c
VZ		 720 name(size_t count, T *elements[]) \
721 : wxListBase(count, (void **)elements) { } \
722 \
f6bcfd97 723 name& operator=(const name& list) \
162e998c 724 { if (&list != this) Assign(list); return *this; } \
f6bcfd97 725 \
2e4b087e 726 nodetype *GetFirst() const \
fd3f686c 727 { return (nodetype *)wxListBase::GetFirst(); } \
2e4b087e 728 nodetype *GetLast() const \
fd3f686c
VZ		 729 { return (nodetype *)wxListBase::GetLast(); } \
730 \
2e4b087e 731 nodetype *Item(size_t index) const \
fd3f686c
VZ		 732 { return (nodetype *)wxListBase::Item(index); } \
733 \
734 T *operator[](size_t index) const \
735 { \
736 nodetype *node = Item(index); \
c23b255a 737 return node ? (T*)(node->GetData()) : NULL; \
fd3f686c
VZ		 738 } \
739 \
2e4b087e 740 nodetype *Append(Tbase *object) \
fd3f686c 741 { return (nodetype *)wxListBase::Append(object); } \
2e4b087e 742 nodetype *Insert(Tbase *object) \
c23b255a
VZ		 743 { return (nodetype *)Insert(static_cast<nodetype *>(NULL), \
744 object); } \
2e4b087e 745 nodetype *Insert(size_t pos, Tbase *object) \
d8996187 746 { return (nodetype *)wxListBase::Insert(pos, object); } \
2e4b087e 747 nodetype *Insert(nodetype *prev, Tbase *object) \
fd3f686c
VZ		 748 { return (nodetype *)wxListBase::Insert(prev, object); } \
749 \
2e4b087e 750 nodetype *Append(long key, void *object) \
fd3f686c 751 { return (nodetype *)wxListBase::Append(key, object); } \
2e4b087e 752 nodetype *Append(const wxChar *key, void *object) \
fd3f686c
VZ		 753 { return (nodetype *)wxListBase::Append(key, object); } \
754 \
755 nodetype *DetachNode(nodetype *node) \
756 { return (nodetype *)wxListBase::DetachNode(node); } \
757 bool DeleteNode(nodetype *node) \
758 { return wxListBase::DeleteNode(node); } \
f03fc89f 759 bool DeleteObject(Tbase *object) \
fd3f686c 760 { return wxListBase::DeleteObject(object); } \
2e4b087e 761 void Erase(nodetype *it) \
df5168c4 762 { DeleteNode(it); } \
fd3f686c 763 \
2e4b087e 764 nodetype *Find(const Tbase *object) const \
fd3f686c
VZ		 765 { return (nodetype *)wxListBase::Find(object); } \
766 \
767 virtual nodetype *Find(const wxListKey& key) const \
768 { return (nodetype *)wxListBase::Find(key); } \
769 \
f03fc89f 770 int IndexOf(Tbase *object) const \
77c5eefb
VZ		 771 { return wxListBase::IndexOf(object); } \
772 \
ed1288c1
VZ		 773 void Sort(wxSortCompareFunction func) \
774 { wxListBase::Sort(func); } \
fd3f686c 775 void Sort(wxSortFuncFor_##name func) \
ed1288c1 776 { Sort((wxSortCompareFunction)func); } \
fd3f686c
VZ		 777 \
778 protected: \
ea48aff3 779 virtual wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next, \
fd3f686c 780 void *data, \
e146b8c8 781 const wxListKey& key = wxDefaultListKey) \
fd3f686c
VZ		 782 { \
783 return new nodetype(this, \
784 (nodetype *)prev, (nodetype *)next, \
785 (T *)data, key); \
786 } \
df5168c4
MB		 787 /* STL interface */ \
788 public: \
789 typedef size_t size_type; \
790 typedef int difference_type; \
791 typedef T* value_type; \
792 typedef Tbase* base_value_type; \
793 typedef value_type& reference; \
794 typedef const value_type& const_reference; \
795 typedef base_value_type& base_reference; \
796 typedef const base_value_type& const_base_reference; \
797 \
d294c9db 798 classexp iterator \
df5168c4
MB		 799 { \
800 typedef name list; \
801 public: \
37589419 802 typedef nodetype Node; \
df5168c4 803 typedef iterator itor; \
37589419
MB		 804 typedef T* value_type; \
805 typedef value_type* ptr_type; \
806 typedef value_type& reference; \
df5168c4
MB		 807 \
808 Node* m_node; \
809 Node* m_init; \
810 public: \
37589419 811 typedef reference reference_type; \
df5168c4
MB		 812 typedef ptr_type pointer_type; \
813 \
814 iterator(Node* node, Node* init) : m_node(node), m_init(init) {}\
815 iterator() : m_node(NULL), m_init(NULL) { } \
816 reference_type operator*() const \
817 { return *(pointer_type)m_node->GetDataPtr(); } \
6de44038 818 ptrop \
df5168c4 819 itor& operator++() { m_node = m_node->GetNext(); return *this; }\
60d8e886 820 const itor operator++(int) \
df5168c4
MB		 821 { itor tmp = *this; m_node = m_node->GetNext(); return tmp; }\
822 itor& operator--() \
823 { \
824 m_node = m_node ? m_node->GetPrevious() : m_init; \
825 return *this; \
826 } \
60d8e886 827 const itor operator--(int) \
df5168c4
MB		 828 { \
829 itor tmp = *this; \
830 m_node = m_node ? m_node->GetPrevious() : m_init; \
831 return tmp; \
832 } \
833 bool operator!=(const itor& it) const \
834 { return it.m_node != m_node; } \
835 bool operator==(const itor& it) const \
836 { return it.m_node == m_node; } \
837 }; \
d294c9db 838 classexp const_iterator \
df5168c4
MB		 839 { \
840 typedef name list; \
841 public: \
37589419
MB		 842 typedef nodetype Node; \
843 typedef T* value_type; \
844 typedef const value_type& const_reference; \
df5168c4 845 typedef const_iterator itor; \
37589419 846 typedef value_type* ptr_type; \
df5168c4
MB		 847 \
848 Node* m_node; \
849 Node* m_init; \
850 public: \
37589419 851 typedef const_reference reference_type; \
df5168c4
MB		 852 typedef const ptr_type pointer_type; \
853 \
854 const_iterator(Node* node, Node* init) \
855 : m_node(node), m_init(init) { } \
856 const_iterator() : m_node(NULL), m_init(NULL) { } \
857 const_iterator(const iterator& it) \
858 : m_node(it.m_node), m_init(it.m_init) { } \
859 reference_type operator*() const \
860 { return *(pointer_type)m_node->GetDataPtr(); } \
6de44038 861 ptrop \
df5168c4 862 itor& operator++() { m_node = m_node->GetNext(); return *this; }\
60d8e886 863 const itor operator++(int) \
df5168c4
MB		 864 { itor tmp = *this; m_node = m_node->GetNext(); return tmp; }\
865 itor& operator--() \
866 { \
867 m_node = m_node ? m_node->GetPrevious() : m_init; \
868 return *this; \
869 } \
60d8e886 870 const itor operator--(int) \
df5168c4
MB		 871 { \
872 itor tmp = *this; \
873 m_node = m_node ? m_node->GetPrevious() : m_init; \
874 return tmp; \
875 } \
876 bool operator!=(const itor& it) const \
877 { return it.m_node != m_node; } \
878 bool operator==(const itor& it) const \
879 { return it.m_node == m_node; } \
880 }; \
d294c9db 881 classexp reverse_iterator \
df5168c4
MB		 882 { \
883 typedef name list; \
884 public: \
37589419
MB		 885 typedef nodetype Node; \
886 typedef T* value_type; \
df5168c4 887 typedef reverse_iterator itor; \
37589419
MB		 888 typedef value_type* ptr_type; \
889 typedef value_type& reference; \
df5168c4
MB		 890 \
891 Node* m_node; \
892 Node* m_init; \
893 public: \
37589419 894 typedef reference reference_type; \
df5168c4
MB		 895 typedef ptr_type pointer_type; \
896 \
897 reverse_iterator(Node* node, Node* init) \
898 : m_node(node), m_init(init) { } \
899 reverse_iterator() : m_node(NULL), m_init(NULL) { } \
900 reference_type operator*() const \
901 { return *(pointer_type)m_node->GetDataPtr(); } \
6de44038 902 ptrop \
df5168c4
MB		 903 itor& operator++() \
904 { m_node = m_node->GetPrevious(); return *this; } \
60d8e886 905 const itor operator++(int) \
df5168c4
MB		 906 { itor tmp = *this; m_node = m_node->GetPrevious(); return tmp; }\
907 itor& operator--() \
908 { m_node = m_node ? m_node->GetNext() : m_init; return *this; } \
60d8e886 909 const itor operator--(int) \
df5168c4
MB		 910 { \
911 itor tmp = *this; \
912 m_node = m_node ? m_node->GetNext() : m_init; \
913 return tmp; \
914 } \
915 bool operator!=(const itor& it) const \
916 { return it.m_node != m_node; } \
917 bool operator==(const itor& it) const \
918 { return it.m_node == m_node; } \
919 }; \
d294c9db 920 classexp const_reverse_iterator \
df5168c4
MB		 921 { \
922 typedef name list; \
923 public: \
37589419
MB		 924 typedef nodetype Node; \
925 typedef T* value_type; \
df5168c4 926 typedef const_reverse_iterator itor; \
37589419
MB		 927 typedef value_type* ptr_type; \
928 typedef const value_type& const_reference; \
df5168c4
MB		 929 \
930 Node* m_node; \
931 Node* m_init; \
932 public: \
37589419 933 typedef const_reference reference_type; \
df5168c4
MB		 934 typedef const ptr_type pointer_type; \
935 \
936 const_reverse_iterator(Node* node, Node* init) \
937 : m_node(node), m_init(init) { } \
938 const_reverse_iterator() : m_node(NULL), m_init(NULL) { } \
939 const_reverse_iterator(const reverse_iterator& it) \
940 : m_node(it.m_node), m_init(it.m_init) { } \
941 reference_type operator*() const \
942 { return *(pointer_type)m_node->GetDataPtr(); } \
6de44038 943 ptrop \
df5168c4
MB		 944 itor& operator++() \
945 { m_node = m_node->GetPrevious(); return *this; } \
60d8e886 946 const itor operator++(int) \
df5168c4
MB		 947 { itor tmp = *this; m_node = m_node->GetPrevious(); return tmp; }\
948 itor& operator--() \
949 { m_node = m_node ? m_node->GetNext() : m_init; return *this;}\
60d8e886 950 const itor operator--(int) \
df5168c4
MB		 951 { \
952 itor tmp = *this; \
953 m_node = m_node ? m_node->GetNext() : m_init; \
954 return tmp; \
955 } \
956 bool operator!=(const itor& it) const \
957 { return it.m_node != m_node; } \
958 bool operator==(const itor& it) const \
959 { return it.m_node == m_node; } \
960 }; \
961 \
962 wxEXPLICIT name(size_type n, const_reference v = value_type()) \
963 { assign(n, v); } \
60d8e886 964 name(const const_iterator& first, const const_iterator& last) \
df5168c4
MB		 965 { assign(first, last); } \
966 iterator begin() { return iterator(GetFirst(), GetLast()); } \
967 const_iterator begin() const \
968 { return const_iterator(GetFirst(), GetLast()); } \
969 iterator end() { return iterator(NULL, GetLast()); } \
970 const_iterator end() const { return const_iterator(NULL, GetLast()); }\
971 reverse_iterator rbegin() \
972 { return reverse_iterator(GetLast(), GetFirst()); } \
973 const_reverse_iterator rbegin() const \
974 { return const_reverse_iterator(GetLast(), GetFirst()); } \
975 reverse_iterator rend() { return reverse_iterator(NULL, GetFirst()); }\
976 const_reverse_iterator rend() const \
977 { return const_reverse_iterator(NULL, GetFirst()); } \
978 void resize(size_type n, value_type v = value_type()) \
979 { \
5751dd32
JS		 980 while (n < size()) \
981 pop_back(); \
982 while (n > size()) \
d56cc7b1 983 push_back(v); \
df5168c4
MB		 984 } \
985 size_type size() const { return GetCount(); } \
986 size_type max_size() const { return INT_MAX; } \
987 bool empty() const { return IsEmpty(); } \
988 reference front() { return *begin(); } \
989 const_reference front() const { return *begin(); } \
60d8e886
VZ		 990 reference back() { iterator tmp = end(); return *--tmp; } \
991 const_reference back() const { const_iterator tmp = end(); return *--tmp; }\
df5168c4
MB		 992 void push_front(const_reference v = value_type()) \
993 { Insert(GetFirst(), (const_base_reference)v); } \
994 void pop_front() { DeleteNode(GetFirst()); } \
995 void push_back(const_reference v = value_type()) \
996 { Append((const_base_reference)v); } \
997 void pop_back() { DeleteNode(GetLast()); } \
60d8e886 998 void assign(const_iterator first, const const_iterator& last) \
df5168c4
MB		 999 { \
1000 clear(); \
1001 for(; first != last; ++first) \
1002 Append((const_base_reference)*first); \
1003 } \
1004 void assign(size_type n, const_reference v = value_type()) \
1005 { \
1006 clear(); \
1007 for(size_type i = 0; i < n; ++i) \
1008 Append((const_base_reference)v); \
1009 } \
b547eb0f 1010 iterator insert(const iterator& it, const_reference v) \
df5168c4 1011 { \
b9f9065e
VZ		 1012 if ( it == end() ) \
1013 Append((const_base_reference)v); \
1014 else \
1015 Insert(it.m_node, (const_base_reference)v); \
b46b1d59
VZ		 1016 iterator itprev(it); \
1017 return itprev--; \
df5168c4 1018 } \
b547eb0f 1019 void insert(const iterator& it, size_type n, const_reference v) \
df5168c4
MB		 1020 { \
1021 for(size_type i = 0; i < n; ++i) \
ab13878f 1022 insert(it, v); \
df5168c4 1023 } \
b547eb0f 1024 void insert(const iterator& it, \
b9f9065e 1025 const_iterator first, const const_iterator& last) \
df5168c4
MB		 1026 { \
1027 for(; first != last; ++first) \
ab13878f 1028 insert(it, *first); \
df5168c4 1029 } \
60d8e886 1030 iterator erase(const iterator& it) \
df5168c4
MB		 1031 { \
1032 iterator next = iterator(it.m_node->GetNext(), GetLast()); \
1033 DeleteNode(it.m_node); return next; \
1034 } \
60d8e886 1035 iterator erase(const iterator& first, const iterator& last) \
df5168c4 1036 { \
1416fc5f
VZ		 1037 iterator next = last; \
1038 if ( next != end() ) \
1039 ++next; \
df5168c4
MB		 1040 DeleteNodes(first.m_node, last.m_node); \
1041 return next; \
1042 } \
1043 void clear() { Clear(); } \
60d8e886 1044 void splice(const iterator& it, name& l, const iterator& first, const iterator& last)\
df5168c4 1045 { insert(it, first, last); l.erase(first, last); } \
60d8e886 1046 void splice(const iterator& it, name& l) \
df5168c4 1047 { splice(it, l, l.begin(), l.end() ); } \
60d8e886 1048 void splice(const iterator& it, name& l, const iterator& first) \
df5168c4 1049 { \
7b8b72b5
VZ		 1050 if ( it != first ) \
1051 { \
1052 insert(it, *first); \
1053 l.erase(first); \
1054 } \
df5168c4
MB		 1055 } \
1056 void remove(const_reference v) \
1057 { DeleteObject((const_base_reference)v); } \
1058 void reverse() \
1059 { Reverse(); } \
1060 /* void swap(name& l) \
1061 { \
1062 { size_t t = m_count; m_count = l.m_count; l.m_count = t; } \
1063 { bool t = m_destroy; m_destroy = l.m_destroy; l.m_destroy = t; }\
1064 { wxNodeBase* t = m_nodeFirst; m_nodeFirst = l.m_nodeFirst; l.m_nodeFirst = t; }\
1065 { wxNodeBase* t = m_nodeLast; m_nodeLast = l.m_nodeLast; l.m_nodeLast = t; }\
1066 { wxKeyType t = m_keyType; m_keyType = l.m_keyType; l.m_keyType = t; }\
1067 } */ \
385bcb35 1068 }
fd3f686c 1069
6de44038
VZ		 1070#define WX_LIST_PTROP \
1071 pointer_type operator->() const \
1072 { return (pointer_type)m_node->GetDataPtr(); }
1073#define WX_LIST_PTROP_NONE
1074
1075#define WX_DECLARE_LIST_3(T, Tbase, name, nodetype, classexp) \
1076 WX_DECLARE_LIST_4(T, Tbase, name, nodetype, classexp, WX_LIST_PTROP_NONE)
1077#define WX_DECLARE_LIST_PTR_3(T, Tbase, name, nodetype, classexp) \
1078 WX_DECLARE_LIST_4(T, Tbase, name, nodetype, classexp, WX_LIST_PTROP)
1079
f6bcfd97
BP		 1080#define WX_DECLARE_LIST_2(elementtype, listname, nodename, classexp) \
1081 WX_DECLARE_LIST_3(elementtype, elementtype, listname, nodename, classexp)
6de44038
VZ		 1082#define WX_DECLARE_LIST_PTR_2(elementtype, listname, nodename, classexp) \
1083 WX_DECLARE_LIST_PTR_3(elementtype, elementtype, listname, nodename, classexp)
f03fc89f 1084
fd3f686c
VZ		 1085#define WX_DECLARE_LIST(elementtype, listname) \
1086 typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
f6bcfd97 1087 WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class)
6de44038
VZ		 1088#define WX_DECLARE_LIST_PTR(elementtype, listname) \
1089 typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
1090 WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class)
f6bcfd97 1091
45c1de35 1092#define WX_DECLARE_LIST_WITH_DECL(elementtype, listname, decl) \
f6bcfd97 1093 typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
45c1de35 1094 WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, decl)
f644b28c 1095
45c1de35 1096#define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \
53a2db12 1097 WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLIMPEXP_CORE)
45c1de35 1098
6de44038
VZ		 1099#define WX_DECLARE_EXPORTED_LIST_PTR(elementtype, listname) \
1100 typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
53a2db12 1101 WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class WXDLLIMPEXP_CORE)
fd3f686c 1102
0b9ab0bd
RL		 1103#define WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo) \
1104 typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
1105 WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class usergoo)
6de44038
VZ		 1106#define WX_DECLARE_USER_EXPORTED_LIST_PTR(elementtype, listname, usergoo) \
1107 typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
1108 WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class usergoo)
0b9ab0bd 1109
fd3f686c 1110// this macro must be inserted in your program after
c0089c96 1111// #include "wx/listimpl.cpp"
fd3f686c
VZ		 1112#define WX_DEFINE_LIST(name) "don't forget to include listimpl.cpp!"
1113
0b9ab0bd
RL		 1114#define WX_DEFINE_EXPORTED_LIST(name) WX_DEFINE_LIST(name)
1115#define WX_DEFINE_USER_EXPORTED_LIST(name) WX_DEFINE_LIST(name)
1116
df5168c4 1117#endif // !wxUSE_STL
0b9ab0bd 1118
69b9f4cc 1119// ============================================================================
fd3f686c 1120// now we can define classes 100% compatible with the old ones
69b9f4cc 1121// ============================================================================
fd3f686c 1122
e146b8c8 1123// ----------------------------------------------------------------------------
f03fc89f 1124// commonly used list classes
e146b8c8
VZ		 1125// ----------------------------------------------------------------------------
1126
69b9f4cc 1127#if defined(wxLIST_COMPATIBILITY)
fd3f686c 1128
137b7303
VZ		 1129// inline compatibility functions
1130
69b9f4cc
MB		 1131#if !wxUSE_STL
1132
1133// ----------------------------------------------------------------------------
137b7303 1134// wxNodeBase deprecated methods
69b9f4cc 1135// ----------------------------------------------------------------------------
137b7303
VZ		 1136
1137inline wxNode *wxNodeBase::Next() const { return (wxNode *)GetNext(); }
1138inline wxNode *wxNodeBase::Previous() const { return (wxNode *)GetPrevious(); }
1139inline wxObject *wxNodeBase::Data() const { return (wxObject *)GetData(); }
1140
69b9f4cc 1141// ----------------------------------------------------------------------------
137b7303 1142// wxListBase deprecated methods
69b9f4cc 1143// ----------------------------------------------------------------------------
137b7303
VZ		 1144
1145inline int wxListBase::Number() const { return (int)GetCount(); }
1146inline wxNode *wxListBase::First() const { return (wxNode *)GetFirst(); }
1147inline wxNode *wxListBase::Last() const { return (wxNode *)GetLast(); }
1148inline wxNode *wxListBase::Nth(size_t n) const { return (wxNode *)Item(n); }
1149inline wxListBase::operator wxList&() const { return *(wxList*)this; }
1150
69b9f4cc 1151#endif
137b7303 1152
b1d4dd7a
RL		 1153// define this to make a lot of noise about use of the old wxList classes.
1154//#define wxWARN_COMPAT_LIST_USE
1155
69b9f4cc 1156// ----------------------------------------------------------------------------
fd3f686c 1157// wxList compatibility class: in fact, it's a list of wxObjects
69b9f4cc 1158// ----------------------------------------------------------------------------
6de44038
VZ		 1159
1160WX_DECLARE_LIST_2(wxObject, wxObjectList, wxObjectListNode,
1161 class WXDLLIMPEXP_BASE);
fd3f686c 1162
bddd7a8d 1163class WXDLLIMPEXP_BASE wxList : public wxObjectList
c801d85f 1164{
fd3f686c 1165public:
df5168c4 1166#if defined(wxWARN_COMPAT_LIST_USE) && !wxUSE_STL
728c62b6
MB		 1167 wxList() { };
1168 wxDEPRECATED( wxList(int key_type) );
df5168c4 1169#elif !wxUSE_STL
b1d4dd7a
RL		 1170 wxList(int key_type = wxKEY_NONE);
1171#endif
1172
799ea011 1173 // this destructor is required for Darwin
f11bdd03 1174 ~wxList() { }
fd3f686c 1175
df5168c4 1176#if !wxUSE_STL
f6bcfd97 1177 wxList& operator=(const wxList& list)
162e998c 1178 { if (&list != this) Assign(list); return *this; }
f6bcfd97 1179
fd3f686c 1180 // compatibility methods
3bef6c4c 1181 void Sort(wxSortCompareFunction compfunc) { wxListBase::Sort(compfunc); }
df5168c4 1182#endif
3bef6c4c 1183
df5168c4
MB		 1184#if wxUSE_STL
1185#else
fd3f686c 1186 wxNode *Member(wxObject *object) const { return (wxNode *)Find(object); }
df5168c4 1187#endif
c801d85f
KB		 1188};
1189
df5168c4
MB		 1190#if !wxUSE_STL
1191
fd3f686c
VZ		 1192// -----------------------------------------------------------------------------
1193// wxStringList class for compatibility with the old code
1194// -----------------------------------------------------------------------------
bddd7a8d 1195WX_DECLARE_LIST_2(wxChar, wxStringListBase, wxStringListNode, class WXDLLIMPEXP_BASE);
fd3f686c 1196
bddd7a8d 1197class WXDLLIMPEXP_BASE wxStringList : public wxStringListBase
c801d85f 1198{
fd3f686c
VZ		 1199public:
1200 // ctors and such
1201 // default
b1d4dd7a 1202#ifdef wxWARN_COMPAT_LIST_USE
728c62b6 1203 wxStringList();
8a7afe4d 1204 wxDEPRECATED( wxStringList(const wxChar *first ...) ); // FIXME-UTF8
b1d4dd7a
RL		 1205#else
1206 wxStringList();
8a7afe4d 1207 wxStringList(const wxChar *first ...); // FIXME-UTF8
b1d4dd7a 1208#endif
fd3f686c 1209
db9504c5
VZ		 1210 // copying the string list: the strings are copied, too (extremely
1211 // inefficient!)
f644b28c 1212 wxStringList(const wxStringList& other) : wxStringListBase() { DeleteContents(true); DoCopy(other); }
db9504c5 1213 wxStringList& operator=(const wxStringList& other)
162e998c
PC		 1214 {
1215 if (&other != this)
1216 {
1217 Clear();
1218 DoCopy(other);
1219 }
1220 return *this;
1221 }
db9504c5 1222
fd3f686c
VZ		 1223 // operations
1224 // makes a copy of the string
f526f752 1225 wxNode *Add(const wxChar *s);
f644b28c 1226
890f8a7c 1227 // Append to beginning of list
f526f752 1228 wxNode *Prepend(const wxChar *s);
fd3f686c 1229
9d2f3c71 1230 bool Delete(const wxChar *s);
fd3f686c 1231
f644b28c 1232 wxChar **ListToArray(bool new_copies = false) const;
9d2f3c71 1233 bool Member(const wxChar *s) const;
fd3f686c
VZ		 1234
1235 // alphabetic sort
1236 void Sort();
1237
db9504c5
VZ		 1238private:
1239 void DoCopy(const wxStringList&); // common part of copy ctor and operator=
c801d85f
KB		 1240};
1241
df5168c4
MB		 1242#else // if wxUSE_STL
1243
f455ffb2 1244WX_DECLARE_LIST_XO(wxString, wxStringListBase, class WXDLLIMPEXP_BASE);
df5168c4 1245
f455ffb2 1246class WXDLLIMPEXP_BASE wxStringList : public wxStringListBase
df5168c4
MB		 1247{
1248public:
fd82f4e6
MB		 1249 compatibility_iterator Append(wxChar* s)
1250 { wxString tmp = s; delete[] s; return wxStringListBase::Append(tmp); }
1251 compatibility_iterator Insert(wxChar* s)
1252 { wxString tmp = s; delete[] s; return wxStringListBase::Insert(tmp); }
1253 compatibility_iterator Insert(size_t pos, wxChar* s)
1254 {
1255 wxString tmp = s;
1256 delete[] s;
1257 return wxStringListBase::Insert(pos, tmp);
1258 }
1259 compatibility_iterator Add(const wxChar* s)
1260 { push_back(s); return GetLast(); }
1261 compatibility_iterator Prepend(const wxChar* s)
1262 { push_front(s); return GetFirst(); }
df5168c4
MB		 1263};
1264
1265#endif // wxUSE_STL
1266
fd3f686c
VZ		 1267#endif // wxLIST_COMPATIBILITY
1268
df5168c4
MB		 1269// delete all list elements
1270//
1271// NB: the class declaration of the list elements must be visible from the
1272// place where you use this macro, otherwise the proper destructor may not
1273// be called (a decent compiler should give a warning about it, but don't
1274// count on it)!
1275#define WX_CLEAR_LIST(type, list) \
1276 { \
1277 type::iterator it, en; \
1278 for( it = (list).begin(), en = (list).end(); it != en; ++it ) \
1279 delete *it; \
1280 (list).clear(); \
1281 }
1282
d48b06bd
FM		 1283// append all element of one list to another one
1284#define WX_APPEND_LIST(list, other) \
1285 { \
1286 wxList::compatibility_iterator node = other->GetFirst(); \
1287 while ( node ) \
1288 { \
1289 (list)->push_back(node->GetData()); \
1290 node = node->GetNext(); \
1291 } \
1292 }
1293
c0089c96 1294#endif // _WX_LISTH__
wxWidgets (Impactor)