X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0b9ab0bd824b6b9c93849928d67de1ec71e7c167..5d8f5f875eaf8b32dee93acec5664b4fc9c93ff7:/include/wx/list.h?ds=sidebyside

diff --git a/include/wx/list.h b/include/wx/list.h
index 00d6126db2..42fd54b6ad 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 licence
 /////////////////////////////////////////////////////////////////////////////
 
 /*
@@ -25,7 +25,7 @@
 #ifndef _WX_LISTH__
 #define _WX_LISTH__
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)
 #pragma interface "list.h"
 #endif
 
@@ -64,7 +64,10 @@ enum wxKeyType
 // 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);
+}
 
 //
 typedef int (* LINKAGEMODE wxListIterateFunction)(void *current);
@@ -89,14 +92,14 @@ class WXDLLEXPORT wxListKey
 {
 public:
     // implicit ctors
-    wxListKey()
-        { m_keyType = wxKEY_NONE; }
-    wxListKey(long i)
-        { m_keyType = wxKEY_INTEGER; m_key.integer = i; }
-    wxListKey(const wxChar *s)
-        { m_keyType = wxKEY_STRING; m_key.string = wxStrdup(s); }
-    wxListKey(const wxString& s)
-        { m_keyType = wxKEY_STRING; m_key.string = wxStrdup(s.c_str()); }
+    wxListKey() : m_keyType(wxKEY_NONE)
+        { }
+    wxListKey(long i) : m_keyType(wxKEY_INTEGER)
+        { m_key.integer = i; }
+    wxListKey(const wxChar *s) : m_keyType(wxKEY_STRING)
+        { m_key.string = wxStrdup(s); }
+    wxListKey(const wxString& s) : m_keyType(wxKEY_STRING)
+        { m_key.string = wxStrdup(s.c_str()); }
 
     // accessors
     wxKeyType GetKeyType() const { return m_keyType; }
@@ -128,6 +131,8 @@ private:
 
 WXDLLEXPORT_DATA(extern wxListKey) wxDefaultListKey;
 
+class WXDLLEXPORT wxListBase;
+
 class WXDLLEXPORT wxNodeBase
 {
 friend class wxListBase;
@@ -150,10 +155,10 @@ public:
     void SetKeyInteger(long i) { m_key.integer = i; }
 
 #ifdef wxLIST_COMPATIBILITY
-    // compatibility methods
-    wxNode *Next() const { return (wxNode *)GetNext(); }
-    wxNode *Previous() const { return (wxNode *)GetPrevious(); }
-    wxObject *Data() const { return (wxObject *)GetData(); }
+    // compatibility methods, use Get* instead.
+    wxDEPRECATED( wxNode *Next() const );
+    wxDEPRECATED( wxNode *Previous() const );
+    wxDEPRECATED( wxObject *Data() const );
 #endif // wxLIST_COMPATIBILITY
 
 protected:
@@ -178,27 +183,36 @@ private:
                 *m_previous;
 
     wxListBase  *m_list;        // list we belong to
+
+    DECLARE_NO_COPY_CLASS(wxNodeBase)
 };
 
 // -----------------------------------------------------------------------------
 // a double-linked list class
 // -----------------------------------------------------------------------------
+
+class wxList;
+
 class WXDLLEXPORT wxListBase : public wxObject
 {
-friend class wxNodeBase;        // should be able to call DetachNode()
+friend class WXDLLEXPORT wxNodeBase; // should be able to call DetachNode()
 friend class wxHashTableBase;   // should be able to call untyped Find()
 private:
         // common part of all ctors
     void Init(wxKeyType keyType = wxKEY_NONE); // Must be declared before it's used (for VC++ 1.5)
 public:
     // default ctor & dtor
-    wxListBase(wxKeyType keyType = wxKEY_NONE) { Init(keyType); }
+    wxListBase(wxKeyType keyType = wxKEY_NONE)
+        { Init(keyType); }
     virtual ~wxListBase();
 
     // accessors
         // count of items in the list
     size_t GetCount() const { return m_count; }
 
+        // return TRUE if this list is empty
+    bool IsEmpty() const { return m_count == 0; }
+
     // operations
 
         // delete all nodes
@@ -220,10 +234,14 @@ public:
         { wxASSERT( m_count==0 ); m_keyType = keyType; }
 
 #ifdef wxLIST_COMPATIBILITY
-    int Number() const { return GetCount(); }
-    wxNode *First() const { return (wxNode *)GetFirst(); }
-    wxNode *Last() const { return (wxNode *)GetLast(); }
-    wxNode *Nth(size_t index) const { return (wxNode *)Item(index); }
+    // compatibility methods from old wxList
+    wxDEPRECATED( int Number() const );             // use GetCount instead.
+    wxDEPRECATED( wxNode *First() const );          // use GetFirst
+    wxDEPRECATED( wxNode *Last() const );           // use GetLast
+    wxDEPRECATED( wxNode *Nth(size_t n) const );    // use Item
+
+    // kludge for typesafe list migration in core classes.
+    wxDEPRECATED( operator wxList&() const );
 #endif // wxLIST_COMPATIBILITY
 
 protected:
@@ -262,11 +280,18 @@ protected:
     wxNodeBase *Item(size_t index) const;
 
         // get the list item's data
-    void *operator[](size_t index) const
-        { wxNodeBase *node = Item(index); return node ? node->GetData() : (wxNodeBase*)NULL; }
+    void *operator[](size_t n) const
+    {
+        wxNodeBase *node = Item(n);
+
+        return node ? node->GetData() : (wxNodeBase *)NULL;
+    }
 
     // operations
         // append to end of list
+    wxNodeBase *Prepend(void *object)
+        { return (wxNodeBase *)wxListBase::Insert(object); }
+        // 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); }
@@ -390,7 +415,7 @@ private:
             : wxListBase(count, (void **)elements) { }                      \
                                                                             \
         name& operator=(const name& list)                                   \
-            { return (name&)wxListBase::operator=(list); }                  \
+            { (void) wxListBase::operator=(list); return *this; }           \
                                                                             \
         nodetype *GetFirst() const                                          \
             { return (nodetype *)wxListBase::GetFirst(); }                  \
@@ -440,7 +465,7 @@ private:
             { wxListBase::Sort((wxSortCompareFunction)func); }              \
                                                                             \
     protected:                                                              \
-        wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next,          \
+        virtual wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next,  \
                                void *data,                                  \
                                const wxListKey& key = wxDefaultListKey)     \
             {                                                               \
@@ -483,6 +508,9 @@ private:
 
 #ifdef wxLIST_COMPATIBILITY
 
+// define this to make a lot of noise about use of the old wxList classes.
+//#define wxWARN_COMPAT_LIST_USE
+
 // -----------------------------------------------------------------------------
 // wxList compatibility class: in fact, it's a list of wxObjects
 // -----------------------------------------------------------------------------
@@ -492,18 +520,25 @@ 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) { }
-#ifdef __DARWIN__
-   ~wxList() { }
+#ifdef wxWARN_COMPAT_LIST_USE
+    wxDEPRECATED( wxList(int key_type = wxKEY_NONE) );
+#else
+    wxList(int key_type = wxKEY_NONE);
 #endif
 
+    // this destructor is required for Darwin
+   ~wxList() { }
+
     wxList& operator=(const wxList& list)
-        { return (wxList&)wxListBase::operator=(list); }
+        { (void) wxListBase::operator=(list); return *this; }
 
     // compatibility methods
     void Sort(wxSortCompareFunction compfunc) { wxListBase::Sort(compfunc); }
 
     wxNode *Member(wxObject *object) const { return (wxNode *)Find(object); }
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxList)
 };
 
 // -----------------------------------------------------------------------------
@@ -517,8 +552,13 @@ class WXDLLEXPORT wxStringList : public wxStringListBase
 public:
     // ctors and such
         // default
-    wxStringList() { DeleteContents(TRUE); }
+#ifdef wxWARN_COMPAT_LIST_USE
+    wxDEPRECATED( wxStringList() );
+    wxDEPRECATED( wxStringList(const wxChar *first ...) );
+#else
+    wxStringList();
     wxStringList(const wxChar *first ...);
+#endif
 
         // copying the string list: the strings are copied, too (extremely
         // inefficient!)
@@ -530,6 +570,10 @@ public:
         // makes a copy of the string
     wxNode *Add(const wxChar *s)
         { return (wxNode *)wxStringListBase::Append(copystring(s)); }
+        
+        // Append to beginning of list
+    wxNode *Prepend(const wxChar *s)
+        { return (wxNode *)wxStringListBase::Insert(copystring(s)); }
 
     bool Delete(const wxChar *s);
 
@@ -541,6 +585,8 @@ public:
 
 private:
     void DoCopy(const wxStringList&); // common part of copy ctor and operator=
+
+    DECLARE_DYNAMIC_CLASS(wxStringList)
 };
 
 #endif // wxLIST_COMPATIBILITY