// -----------------------------------------------------------------------------
#include "wx/defs.h"
-#include "wx/debug.h"
#include "wx/object.h"
#include "wx/string.h"
// 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
-typedef int (*wxSortCompareFunction)(const void *elem1, const void *elem2);
+typedef int (* LINKAGEMODE wxSortCompareFunction)(const void *elem1, const void *elem2);
//
-typedef int (*wxListIterateFunction)(void *current);
+typedef int (* LINKAGEMODE wxListIterateFunction)(void *current);
// -----------------------------------------------------------------------------
// key stuff: a list may be optionally keyed on integer or string key
virtual ~wxNodeBase();
- // @@ no check is done that the list is really keyed on strings
+ // FIXME no check is done that the list is really keyed on strings
const wxChar *GetKeyString() const { return m_key.string; }
long GetKeyInteger() const { return m_key.integer; }
// -----------------------------------------------------------------------------
class WXDLLEXPORT wxListBase : public wxObject
{
-friend class 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:
// default ctor & dtor
wxListBase(wxKeyType keyType = wxKEY_NONE) { Init(keyType); }
wxNodeBase *Append(void *object);
// insert a new item at the beginning of the list
wxNodeBase *Insert(void *object) { return Insert( (wxNodeBase*)NULL, object); }
+ // insert a new item at the given position
+ wxNodeBase *Insert(size_t pos, void *object)
+ { return pos == GetCount() ? Append(object)
+ : Insert(Item(pos), object); }
// insert before given node or at front of list if prev == NULL
wxNodeBase *Insert(wxNodeBase *prev, void *object);
// 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) \
- typedef int (*wxSortFuncFor_##name)(const T *, const T *); \
+//
+// 3. The macro which is usually used (WX_DECLARE_LIST) is defined in terms of
+// a more generic WX_DECLARE_LIST_2 macro which, in turn, uses the most
+// generic WX_DECLARE_LIST_3 one. The last macro adds a sometimes
+// interesting capability to store polymorphic objects in the list and is
+// particularly useful with, for example, "wxWindow *" list where the
+// wxWindowBase pointers are put into the list, but wxWindow pointers are
+// retrieved from it.
+
+#define WX_DECLARE_LIST_3(T, Tbase, name, nodetype, classexp) \
+ typedef int (*wxSortFuncFor_##name)(const T **, const T **); \
\
- class WXDLLEXPORT nodetype : public wxNodeBase \
+ classexp nodetype : public wxNodeBase \
{ \
public: \
nodetype(wxListBase *list = (wxListBase *)NULL, \
virtual void DeleteData(); \
}; \
\
- class WXDLLEXPORT name : public wxListBase \
+ classexp name : public wxListBase \
{ \
public: \
typedef nodetype Node; \
name(size_t count, T *elements[]) \
: wxListBase(count, (void **)elements) { } \
\
+ name& operator=(const name& list) \
+ { return (name&)wxListBase::operator=(list); } \
+ \
nodetype *GetFirst() const \
{ return (nodetype *)wxListBase::GetFirst(); } \
nodetype *GetLast() const \
return node ? (T*)(node->GetData()) : (T*)NULL; \
} \
\
- nodetype *Append(T *object) \
+ nodetype *Append(Tbase *object) \
{ return (nodetype *)wxListBase::Append(object); } \
- nodetype *Insert(T *object) \
+ nodetype *Insert(Tbase *object) \
{ return (nodetype *)Insert((nodetype*)NULL, object); } \
- nodetype *Insert(nodetype *prev, T *object) \
+ nodetype *Insert(size_t pos, Tbase *object) \
+ { return (nodetype *)wxListBase::Insert(pos, object); } \
+ nodetype *Insert(nodetype *prev, Tbase *object) \
{ return (nodetype *)wxListBase::Insert(prev, object); } \
\
nodetype *Append(long key, void *object) \
{ return (nodetype *)wxListBase::DetachNode(node); } \
bool DeleteNode(nodetype *node) \
{ return wxListBase::DeleteNode(node); } \
- bool DeleteObject(T *object) \
+ bool DeleteObject(Tbase *object) \
{ return wxListBase::DeleteObject(object); } \
\
- nodetype *Find(T *object) const \
+ nodetype *Find(Tbase *object) const \
{ return (nodetype *)wxListBase::Find(object); } \
\
virtual nodetype *Find(const wxListKey& key) const \
{ return (nodetype *)wxListBase::Find(key); } \
\
- int IndexOf( T *object ) const \
+ int IndexOf(Tbase *object) const \
{ return wxListBase::IndexOf(object); } \
\
void Sort(wxSortFuncFor_##name func) \
} \
}
+#define WX_DECLARE_LIST_2(elementtype, listname, nodename, classexp) \
+ WX_DECLARE_LIST_3(elementtype, elementtype, listname, nodename, classexp)
+
#define WX_DECLARE_LIST(elementtype, listname) \
typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
- WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node)
+ WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class)
+
+#define WX_DECLARE_EXPORTED_LIST(elementtype, listname) \
+ typedef elementtype _WX_LIST_ITEM_TYPE_##listname; \
+ WX_DECLARE_LIST_2(elementtype, listname, wx##listname##Node, class WXDLLEXPORT)
// this macro must be inserted in your program after
// #include <wx/listimpl.cpp>
// =============================================================================
// ----------------------------------------------------------------------------
-// commonly used string classes
+// commonly used list classes
// ----------------------------------------------------------------------------
-class wxWindow;
-WX_DECLARE_LIST(wxWindow, wxWindowList);
-
#ifdef wxLIST_COMPATIBILITY
// -----------------------------------------------------------------------------
// wxList compatibility class: in fact, it's a list of wxObjects
// -----------------------------------------------------------------------------
-WX_DECLARE_LIST_2(wxObject, wxObjectList, wxObjectListNode);
+WX_DECLARE_LIST_2(wxObject, wxObjectList, wxObjectListNode, class WXDLLEXPORT);
class WXDLLEXPORT wxList : public wxObjectList
{
public:
wxList(int key_type = wxKEY_NONE) : wxObjectList((wxKeyType)key_type) { }
+ wxList& operator=(const wxList& list)
+ { return (wxList&)wxListBase::operator=(list); }
+
// compatibility methods
void Sort(wxSortCompareFunction compfunc) { wxListBase::Sort(compfunc); }
// wxStringList class for compatibility with the old code
// -----------------------------------------------------------------------------
-WX_DECLARE_LIST_2(wxChar, wxStringListBase, wxStringListNode);
+WX_DECLARE_LIST_2(wxChar, wxStringListBase, wxStringListNode, class WXDLLEXPORT);
class WXDLLEXPORT wxStringList : public wxStringListBase
{
// copying the string list: the strings are copied, too (extremely
// inefficient!)
- wxStringList(const wxStringList& other) { DoCopy(other); }
+ wxStringList(const wxStringList& other) { DeleteContents(TRUE); DoCopy(other); }
wxStringList& operator=(const wxStringList& other)
{ Clear(); DoCopy(other); return *this; }
projects / wxWidgets.git / blobdiff