X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a4c1cdc9dc89b4479041fa9a18cd820115560ba5..e9e8b38179b147dd04f5c19af7e56a94342e93a7:/include/wx/list.h diff --git a/include/wx/list.h b/include/wx/list.h index 289d762b58..8f0c86f276 100644 --- a/include/wx/list.h +++ b/include/wx/list.h @@ -22,8 +22,8 @@ like the old class. */ -#ifndef _WX_LISTH__ -#define _WX_LISTH__ +#ifndef _WX_LIST_H_ +#define _WX_LIST_H_ // ----------------------------------------------------------------------------- // headers @@ -45,37 +45,9 @@ // types // ---------------------------------------------------------------------------- -// type of compare function for list sort operation (as in 'qsort'): it should -// return a negative value, 0 or positive value if the first element is less -// than, equal or greater than the second - -extern "C" -{ -typedef int (* LINKAGEMODE wxSortCompareFunction)(const void *elem1, const void *elem2); -} - -class WXDLLIMPEXP_BASE wxObjectListNode; +class WXDLLIMPEXP_FWD_BASE wxObjectListNode; typedef wxObjectListNode wxNode; -// -typedef int (* LINKAGEMODE wxListIterateFunction)(void *current); - -// ---------------------------------------------------------------------------- -// constants -// ---------------------------------------------------------------------------- - -#if !defined(wxENUM_KEY_TYPE_DEFINED) -#define wxENUM_KEY_TYPE_DEFINED - -enum wxKeyType -{ - wxKEY_NONE, - wxKEY_INTEGER, - wxKEY_STRING -}; - -#endif - #if wxUSE_STL #define wxLIST_COMPATIBILITY @@ -96,7 +68,7 @@ enum wxKeyType #if !defined(__VISUALC__) || __VISUALC__ >= 1300 // == !VC6 template -class WXDLLIMPEXP_BASE wxList_SortFunction +class wxList_SortFunction { public: wxList_SortFunction(wxSortCompareFunction f) : m_f(f) { } @@ -107,12 +79,12 @@ private: }; #define WX_LIST_SORTFUNCTION( elT, f ) wxList_SortFunction(f) -#define VC6_WORKAROUND(elT, liT, decl) +#define WX_LIST_VC6_WORKAROUND(elT, liT, decl) #else // if defined( __VISUALC__ ) && __VISUALC__ < 1300 // == VC6 #define WX_LIST_SORTFUNCTION( elT, f ) std::greater( f ) -#define VC6_WORKAROUND(elT, liT, decl) \ +#define WX_LIST_VC6_WORKAROUND(elT, liT, decl) \ decl liT; \ \ /* Workaround for broken VC6 STL incorrectly requires a std::greater<> */ \ @@ -128,11 +100,18 @@ private: bool operator()(const elT X, const elT Y) const \ { \ return m_CompFunc ? \ - ( m_CompFunc( X, Y ) < 0 ) : \ + ( m_CompFunc( wxListCastElementToVoidPtr(X), \ + wxListCastElementToVoidPtr(Y) ) < 0 ) : \ ( X > Y ); \ } \ }; +// helper for std::greater above: +template +inline const void *wxListCastElementToVoidPtr(const T* ptr) { return ptr; } +inline const void *wxListCastElementToVoidPtr(const wxString& str) + { return (const char*)str; } + #endif // VC6/!VC6 /* @@ -140,7 +119,7 @@ private: for mingw 3.2.3 compiler bug that prevents a static function of liT class from being exported into dll. A minimal code snippet reproducing the bug: - struct WXDLLEXPORT Foo + struct WXDLLIMPEXP_CORE Foo { static void Bar(); struct SomeInnerClass @@ -173,7 +152,7 @@ private: static void DeleteFunction( _WX_LIST_ITEM_TYPE_##liT X ); \ }; \ \ - VC6_WORKAROUND(elT, liT, decl) \ + WX_LIST_VC6_WORKAROUND(elT, liT, decl) \ decl liT : public std::list \ { \ private: \ @@ -207,7 +186,7 @@ private: bool operator==(const compatibility_iterator& i) const \ { \ wxASSERT_MSG( m_list && i.m_list, \ - _T("comparing invalid iterators is illegal") ); \ + wxT("comparing invalid iterators is illegal") ); \ return (m_list == i.m_list) && (m_iter == i.m_iter); \ } \ bool operator!=(const compatibility_iterator& i) const \ @@ -279,7 +258,7 @@ private: iterator i = const_cast< liT* >(this)->end(); \ return compatibility_iterator( this, !empty() ? --i : i ); \ } \ - compatibility_iterator Member( elT e ) const \ + bool Member( elT e ) const \ { return Find( e ); } \ compatibility_iterator Nth( int n ) const \ { return Item( n ); } \ @@ -296,7 +275,7 @@ private: push_front( e ); \ return compatibility_iterator( this, begin() ); \ } \ - compatibility_iterator Insert( compatibility_iterator & i, elT e ) \ + compatibility_iterator Insert(const compatibility_iterator & i, elT e)\ { \ return compatibility_iterator( this, insert( i.m_iter, e ) ); \ } \ @@ -342,7 +321,7 @@ private: ~liT() { Clear(); } \ \ /* It needs access to our EmptyList */ \ - friend decl compatibility_iterator; \ + friend class compatibility_iterator; \ } #define WX_DECLARE_LIST(elementtype, listname) \ @@ -351,7 +330,7 @@ private: WX_DECLARE_LIST(elementtype, listname) #define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \ - WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLEXPORT) + WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLIMPEXP_CORE) #define WX_DECLARE_EXPORTED_LIST_PTR(elementtype, listname) \ WX_DECLARE_EXPORTED_LIST(elementtype, listname) @@ -399,6 +378,10 @@ public: { m_key.integer = i; } wxListKey(const wxString& s) : m_keyType(wxKEY_STRING) { m_key.string = new wxString(s); } + wxListKey(const char *s) : m_keyType(wxKEY_STRING) + { m_key.string = new wxString(s); } + wxListKey(const wchar_t *s) : m_keyType(wxKEY_STRING) + { m_key.string = new wxString(s); } // accessors wxKeyType GetKeyType() const { return m_keyType; } @@ -430,16 +413,16 @@ private: extern WXDLLIMPEXP_DATA_BASE(wxListKey) wxDefaultListKey; -class WXDLLIMPEXP_BASE wxListBase; +class WXDLLIMPEXP_FWD_BASE wxListBase; class WXDLLIMPEXP_BASE wxNodeBase { friend class wxListBase; public: // ctor - wxNodeBase(wxListBase *list = (wxListBase *)NULL, - wxNodeBase *previous = (wxNodeBase *)NULL, - wxNodeBase *next = (wxNodeBase *)NULL, + wxNodeBase(wxListBase *list = NULL, + wxNodeBase *previous = NULL, + wxNodeBase *next = NULL, void *data = NULL, const wxListKey& key = wxDefaultListKey); @@ -474,7 +457,7 @@ protected: virtual void DeleteData() { } public: // for wxList::iterator - void** GetDataPtr() const { return &(((wxNodeBase*)this)->m_data); } + void** GetDataPtr() const { return &(const_cast(this)->m_data); } private: // optional key stuff wxListKeyValue m_key; @@ -485,18 +468,18 @@ private: wxListBase *m_list; // list we belong to - DECLARE_NO_COPY_CLASS(wxNodeBase) + wxDECLARE_NO_COPY_CLASS(wxNodeBase); }; // ----------------------------------------------------------------------------- // a double-linked list class // ----------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxList; +class WXDLLIMPEXP_FWD_BASE wxList; -class WXDLLIMPEXP_BASE wxListBase : public wxObject +class WXDLLIMPEXP_BASE wxListBase { -friend class WXDLLIMPEXP_BASE wxNodeBase; // should be able to call DetachNode() +friend class wxNodeBase; // should be able to call DetachNode() friend class wxHashTableBase; // should be able to call untyped Find() public: @@ -553,10 +536,6 @@ protected: void *data, const wxListKey& key = wxDefaultListKey) = 0; -// Can't access these from derived classes otherwise (bug in Salford C++?) -#ifdef __SALFORDC__ -public: -#endif // ctors // from an array @@ -580,7 +559,7 @@ protected: { wxNodeBase *node = Item(n); - return node ? node->GetData() : (wxNodeBase *)NULL; + return node ? node->GetData() : NULL; } // operations @@ -590,7 +569,8 @@ protected: // append to beginning of list wxNodeBase *Append(void *object); // insert a new item at the beginning of the list - wxNodeBase *Insert(void *object) { return Insert( (wxNodeBase*)NULL, object); } + wxNodeBase *Insert(void *object) + { return Insert(static_cast(NULL), object); } // insert a new item at the given position wxNodeBase *Insert(size_t pos, void *object) { return pos == GetCount() ? Append(object) @@ -694,10 +674,10 @@ private: classexp nodetype : public wxNodeBase \ { \ public: \ - nodetype(wxListBase *list = (wxListBase *)NULL, \ - nodetype *previous = (nodetype *)NULL, \ - nodetype *next = (nodetype *)NULL, \ - T *data = (T *)NULL, \ + nodetype(wxListBase *list = NULL, \ + nodetype *previous = NULL, \ + nodetype *next = NULL, \ + T *data = NULL, \ const wxListKey& key = wxDefaultListKey) \ : wxNodeBase(list, previous, next, data, key) { } \ \ @@ -741,7 +721,7 @@ private: : wxListBase(count, (void **)elements) { } \ \ name& operator=(const name& list) \ - { Assign(list); return *this; } \ + { if (&list != this) Assign(list); return *this; } \ \ nodetype *GetFirst() const \ { return (nodetype *)wxListBase::GetFirst(); } \ @@ -754,13 +734,14 @@ private: T *operator[](size_t index) const \ { \ nodetype *node = Item(index); \ - return node ? (T*)(node->GetData()) : (T*)NULL; \ + return node ? (T*)(node->GetData()) : NULL; \ } \ \ nodetype *Append(Tbase *object) \ { return (nodetype *)wxListBase::Append(object); } \ nodetype *Insert(Tbase *object) \ - { return (nodetype *)Insert((nodetype*)NULL, object); } \ + { return (nodetype *)Insert(static_cast(NULL), \ + object); } \ nodetype *Insert(size_t pos, Tbase *object) \ { return (nodetype *)wxListBase::Insert(pos, object); } \ nodetype *Insert(nodetype *prev, Tbase *object) \ @@ -786,6 +767,9 @@ private: virtual nodetype *Find(const wxListKey& key) const \ { return (nodetype *)wxListBase::Find(key); } \ \ + bool Member(const Tbase *object) const \ + { return Find(object) != NULL; } \ + \ int IndexOf(Tbase *object) const \ { return wxListBase::IndexOf(object); } \ \ @@ -835,9 +819,19 @@ private: reference_type operator*() const \ { return *(pointer_type)m_node->GetDataPtr(); } \ ptrop \ - itor& operator++() { m_node = m_node->GetNext(); return *this; }\ + itor& operator++() \ + { \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return *this; \ + } \ const itor operator++(int) \ - { itor tmp = *this; m_node = m_node->GetNext(); return tmp; }\ + { \ + itor tmp = *this; \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return tmp; \ + } \ itor& operator--() \ { \ m_node = m_node ? m_node->GetPrevious() : m_init; \ @@ -878,9 +872,19 @@ private: reference_type operator*() const \ { return *(pointer_type)m_node->GetDataPtr(); } \ ptrop \ - itor& operator++() { m_node = m_node->GetNext(); return *this; }\ + itor& operator++() \ + { \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return *this; \ + } \ const itor operator++(int) \ - { itor tmp = *this; m_node = m_node->GetNext(); return tmp; }\ + { \ + itor tmp = *this; \ + wxASSERT_MSG( m_node, wxT("uninitialized iterator") ); \ + m_node = m_node->GetNext(); \ + return tmp; \ + } \ itor& operator--() \ { \ m_node = m_node ? m_node->GetPrevious() : m_init; \ @@ -1026,20 +1030,36 @@ private: for(size_type i = 0; i < n; ++i) \ Append((const_base_reference)v); \ } \ - iterator insert(const iterator& it, const_reference v = value_type())\ + iterator insert(const iterator& it, const_reference v) \ { \ - Insert(it.m_node, (const_base_reference)v); \ - return iterator(it.m_node->GetPrevious(), GetLast()); \ + if ( it == end() ) \ + { \ + Append((const_base_reference)v); \ + /* \ + note that this is the new end(), the old one was \ + invalidated by the Append() call, and this is why we \ + can't use the same code as in the normal case below \ + */ \ + iterator itins(end()); \ + return --itins; \ + } \ + else \ + { \ + Insert(it.m_node, (const_base_reference)v); \ + iterator itins(it); \ + return --itins; \ + } \ } \ - void insert(const iterator& it, size_type n, const_reference v = value_type())\ + void insert(const iterator& it, size_type n, const_reference v) \ { \ for(size_type i = 0; i < n; ++i) \ - Insert(it.m_node, (const_base_reference)v); \ + insert(it, v); \ } \ - void insert(const iterator& it, const_iterator first, const const_iterator& last)\ + void insert(const iterator& it, \ + const_iterator first, const const_iterator& last) \ { \ for(; first != last; ++first) \ - Insert(it.m_node, (const_base_reference)*first); \ + insert(it, *first); \ } \ iterator erase(const iterator& it) \ { \ @@ -1048,7 +1068,9 @@ private: } \ iterator erase(const iterator& first, const iterator& last) \ { \ - iterator next = last; ++next; \ + iterator next = last; \ + if ( next != end() ) \ + ++next; \ DeleteNodes(first.m_node, last.m_node); \ return next; \ } \ @@ -1059,10 +1081,11 @@ private: { splice(it, l, l.begin(), l.end() ); } \ void splice(const iterator& it, name& l, const iterator& first) \ { \ - iterator tmp = first; ++tmp; \ - if(it == first || it == tmp) return; \ - insert(it, *first); \ - l.erase(first); \ + if ( it != first ) \ + { \ + insert(it, *first); \ + l.erase(first); \ + } \ } \ void remove(const_reference v) \ { DeleteObject((const_base_reference)v); } \ @@ -1105,11 +1128,11 @@ private: WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, decl) #define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \ - WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLEXPORT) + WX_DECLARE_LIST_WITH_DECL(elementtype, listname, class WXDLLIMPEXP_CORE) #define WX_DECLARE_EXPORTED_LIST_PTR(elementtype, listname) \ typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ - WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class WXDLLEXPORT) + WX_DECLARE_LIST_PTR_2(elementtype, listname, wx##listname##Node, class WXDLLIMPEXP_CORE) #define WX_DECLARE_USER_EXPORTED_LIST(elementtype, listname, usergoo) \ typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \ @@ -1186,21 +1209,11 @@ public: #if !wxUSE_STL wxList& operator=(const wxList& list) - { (void) wxListBase::operator=(list); return *this; } + { if (&list != this) Assign(list); return *this; } // compatibility methods void Sort(wxSortCompareFunction compfunc) { wxListBase::Sort(compfunc); } -#endif - -#if wxUSE_STL -#else - wxNode *Member(wxObject *object) const { return (wxNode *)Find(object); } -#endif - -private: -#if !wxUSE_STL - DECLARE_DYNAMIC_CLASS(wxList) -#endif +#endif // !wxUSE_STL }; #if !wxUSE_STL @@ -1217,17 +1230,24 @@ public: // default #ifdef wxWARN_COMPAT_LIST_USE wxStringList(); - wxDEPRECATED( wxStringList(const wxChar *first ...) ); + wxDEPRECATED( wxStringList(const wxChar *first ...) ); // FIXME-UTF8 #else wxStringList(); - wxStringList(const wxChar *first ...); + wxStringList(const wxChar *first ...); // FIXME-UTF8 #endif // copying the string list: the strings are copied, too (extremely // inefficient!) wxStringList(const wxStringList& other) : wxStringListBase() { DeleteContents(true); DoCopy(other); } wxStringList& operator=(const wxStringList& other) - { Clear(); DoCopy(other); return *this; } + { + if (&other != this) + { + Clear(); + DoCopy(other); + } + return *this; + } // operations // makes a copy of the string @@ -1246,8 +1266,6 @@ public: private: void DoCopy(const wxStringList&); // common part of copy ctor and operator= - - DECLARE_DYNAMIC_CLASS(wxStringList) }; #else // if wxUSE_STL @@ -1291,4 +1309,15 @@ public: (list).clear(); \ } +// append all element of one list to another one +#define WX_APPEND_LIST(list, other) \ + { \ + wxList::compatibility_iterator node = other->GetFirst(); \ + while ( node ) \ + { \ + (list)->push_back(node->GetData()); \ + node = node->GetNext(); \ + } \ + } + #endif // _WX_LISTH__