X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6164d85e896743b16a0cf8b0610f5d17ceb47f36..8ffd43c56b793781fde046aa532340b92a0067eb:/include/wx/list.h?ds=sidebyside diff --git a/include/wx/list.h b/include/wx/list.h index dc52fc248c..b578982866 100644 --- a/include/wx/list.h +++ b/include/wx/list.h @@ -6,7 +6,7 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Julian Smart -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// /* @@ -127,6 +127,8 @@ private: // wxNodeBase class is a (base for) node in a double linked list // ----------------------------------------------------------------------------- +WXDLLEXPORT_DATA(extern wxListKey) wxDefaultListKey; + class WXDLLEXPORT wxNodeBase { friend class wxListBase; @@ -136,12 +138,17 @@ public: wxNodeBase *previous = (wxNodeBase *)NULL, wxNodeBase *next = (wxNodeBase *)NULL, void *data = NULL, - const wxListKey& key = wxListKey()); + const wxListKey& key = wxDefaultListKey); virtual ~wxNodeBase(); // @@ no check is done that the list is really keyed on strings const char *GetKeyString() const { return m_key.string; } + long GetKeyInteger() const { return m_key.integer; } + + // Necessary for some existing code + void SetKeyString(char* s) { m_key.string = s; } + void SetKeyInteger(long i) { m_key.integer = i; } #ifdef wxLIST_COMPATIBILITY // compatibility methods @@ -158,6 +165,9 @@ protected: void *GetData() const { return m_data; } void SetData(void *data) { m_data = data; } + // get 0-based index of this node within the list or wxNOT_FOUND + int IndexOf() const; + virtual void DeleteData() { } private: @@ -187,19 +197,39 @@ public: size_t GetCount() const { return m_count; } // operations + // delete all nodes - virtual void Clear(); + void Clear(); + // instruct it to destroy user data when deleting nodes void DeleteContents(bool destroy) { m_destroy = destroy; } + // query if to delete + bool GetDeleteContents() const + { return m_destroy; } + + // get the keytype + wxKeyType GetKeyType() const + { return m_keyType; } + + // set the keytype (required by the serial code) + void SetKeyType(wxKeyType keyType) + { wxASSERT( m_count==0 ); m_keyType = keyType; } + protected: + // all methods here are "overloaded" in derived classes to provide compile // time type checking // create a node for the list of this type virtual wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next, void *data, - const wxListKey& key = wxListKey()) = 0; + 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 @@ -207,6 +237,7 @@ protected: // from a sequence of objects wxListBase(void *object, ... /* terminate with NULL */); +protected: // copy ctor and assignment operator wxListBase(const wxListBase& list) { DoCopy(list); } @@ -222,13 +253,13 @@ protected: // get the list item's data void *operator[](size_t index) const - { wxNodeBase *node = Item(index); return node ? node->GetData() : NULL; } + { wxNodeBase *node = Item(index); return node ? node->GetData() : (wxNodeBase*)NULL; } // operations // append to end of list wxNodeBase *Append(void *object); // insert a new item at the beginning of the list - wxNodeBase *Insert(void *object) { return Insert(NULL, object); } + wxNodeBase *Insert(void *object) { return Insert( (wxNodeBase*)NULL, object); } // insert before given node or at front of list if prev == NULL wxNodeBase *Insert(wxNodeBase *prev, void *object); @@ -243,7 +274,7 @@ protected: bool DeleteNode(wxNodeBase *node); // finds object pointer and deletes node (and object if DeleteContents // is on), returns FALSE if object not found - bool DeleteObject(void *object); + bool DeleteObject(void *object); // search (all return NULL if item not found) // by data @@ -252,6 +283,9 @@ protected: // by key wxNodeBase *Find(const wxListKey& key) const; + // get 0-based index of object or wxNOT_FOUND + int IndexOf( void *object ) const; + // this function allows the sorting of arbitrary lists by giving // a function to compare two list elements. The list is sorted in place. void Sort(const wxSortCompareFunction compfunc); @@ -260,11 +294,11 @@ protected: void *FirstThat(wxListIterateFunction func); void ForEach(wxListIterateFunction func); void *LastThat(wxListIterateFunction func); - + private: // helpers // common part of all ctors - void Init(wxKeyType keyType); + void Init(wxKeyType keyType = wxKEY_NONE); // common part of copy ctor and assignment operator void DoCopy(const wxListBase& list); // common part of all Append()s @@ -288,15 +322,15 @@ private: // declare a list type named 'name' and containing elements of type 'T *' // (as a by product of macro expansion you also get wx##name##Node -// wxNode-dervied type) +// wxNode-derived type) // // implementation details: -// 1. we define _WX_LIST_ITEM_TYPE_##name typedef to save in it the item type +// 1. We define _WX_LIST_ITEM_TYPE_##name typedef to save in it the item type // for the list of given type - this allows us to pass only the list name // to WX_DEFINE_LIST() even if it needs both the name and the type // -// 2. We redefine all not type-safe wxList functions withtype-safe versions -// which don't take any place (everything is inline), but bring compile +// 2. We redefine all non-type-safe wxList functions with type-safe versions +// which don't take any space (everything is inline), but bring compile // time error checking. #define WX_DECLARE_LIST_2(T, name, nodetype) \ @@ -309,7 +343,7 @@ private: nodetype *previous = (nodetype *)NULL, \ nodetype *next = (nodetype *)NULL, \ T *data = (T *)NULL, \ - const wxListKey& key = wxListKey()) \ + const wxListKey& key = wxDefaultListKey) \ : wxNodeBase(list, previous, next, data, key) { } \ \ nodetype *GetNext() const \ @@ -328,6 +362,8 @@ private: class WXDLLEXPORT name : public wxListBase \ { \ public: \ + typedef nodetype Node; \ + \ name(wxKeyType keyType = wxKEY_NONE) : wxListBase(keyType) \ { } \ name(size_t count, T *elements[]) \ @@ -350,7 +386,7 @@ private: nodetype *Append(T *object) \ { return (nodetype *)wxListBase::Append(object); } \ nodetype *Insert(T *object) \ - { return (nodetype *)Insert(NULL, object); } \ + { return (nodetype *)Insert((nodetype*)NULL, object); } \ nodetype *Insert(nodetype *prev, T *object) \ { return (nodetype *)wxListBase::Insert(prev, object); } \ \ @@ -372,13 +408,16 @@ private: virtual nodetype *Find(const wxListKey& key) const \ { return (nodetype *)wxListBase::Find(key); } \ \ + int IndexOf( T *object ) const \ + { return wxListBase::IndexOf(object); } \ + \ void Sort(wxSortFuncFor_##name func) \ { wxListBase::Sort((wxSortCompareFunction)func); } \ \ protected: \ wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next, \ void *data, \ - const wxListKey& key = wxListKey()) \ + const wxListKey& key = wxDefaultListKey) \ { \ return new nodetype(this, \ (nodetype *)prev, (nodetype *)next, \ @@ -425,7 +464,7 @@ public: // ----------------------------------------------------------------------------- // wxStringList class for compatibility with the old code // ----------------------------------------------------------------------------- - + WX_DECLARE_LIST_2(char, wxStringListBase, wxStringListNode); class WXDLLEXPORT wxStringList : public wxStringListBase @@ -436,13 +475,18 @@ public: wxStringList() { DeleteContents(TRUE); } wxStringList(const char *first ...); + // copying the string list: the strings are copied, too (extremely + // inefficient!) + wxStringList(const wxStringList& other) { DoCopy(other); } + wxStringList& operator=(const wxStringList& other) + { Clear(); DoCopy(other); return *this; } + // operations // makes a copy of the string wxNode *Add(const char *s) { return (wxNode *)wxStringListBase::Append(copystring(s)); } - void Delete(const char *s) - { wxStringListBase::DeleteObject((char *)s); } + bool Delete(const char *s); char **ListToArray(bool new_copies = FALSE) const; bool Member(const char *s) const; @@ -455,6 +499,9 @@ public: wxNode *First() const { return (wxNode *)GetFirst(); } wxNode *Last() const { return (wxNode *)GetLast(); } wxNode *Nth(size_t index) const { return (wxNode *)Item(index); } + +private: + void DoCopy(const wxStringList&); // common part of copy ctor and operator= }; #endif // wxLIST_COMPATIBILITY