]> git.saurik.com Git - wxWidgets.git/blobdiff - include/wx/list.h
Allow wxStaticText to have a custom fg without a custom bg
[wxWidgets.git] / include / wx / list.h
index c53d437a7bbb754bcf4846e49cb6eab56a88fd9c..97a965b24662d4cbf8f50bce0aefbe80a6c96e56 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /*
@@ -40,6 +40,8 @@
 
 #if wxUSE_STL
     #include "wx/beforestd.h"
+    #include <algorithm>
+    #include <iterator>
     #include <list>
     #include "wx/afterstd.h"
 #endif
@@ -96,122 +98,183 @@ enum wxKeyType
 #define WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) \
     WX_DECLARE_LIST_XO(elT*, liT, decl)
 
-#define WX_DECLARE_LIST_XO(elT, liT, decl) \
+#define WX_DECLARE_LIST_XO(elT, liT, decl)                                    \
+    decl liT;                                                                 \
+                                                                              \
+    /* Workaround for broken VC6 STL incorrectly requires a std::greater<> */ \
+    /* to be passed into std::list::sort() */                                 \
+    template <>                                                               \
+    struct std::greater<elT>                                                  \
+    {                                                                         \
+        private:                                                              \
+            wxSortCompareFunction m_CompFunc;                                 \
+        public:                                                               \
+            greater( wxSortCompareFunction compfunc = NULL )                  \
+                : m_CompFunc( compfunc ) {}                                   \
+            bool operator()(const elT X, const elT Y) const                   \
+                {                                                             \
+                    return m_CompFunc ?                                       \
+                        ( m_CompFunc( X, Y ) < 0 ) :                          \
+                        ( X > Y );                                            \
+                }                                                             \
+    };                                                                        \
+                                                                              \
     decl liT : public std::list<elT>                                          \
     {                                                                         \
+    private:                                                                  \
+        bool m_destroy;                                                       \
+    private:                                                                  \
+        typedef elT _WX_LIST_ITEM_TYPE_##liT;                                 \
+        static void DeleteFunction( const _WX_LIST_ITEM_TYPE_##liT X );       \
     public:                                                                   \
-        class dummy;                                                          \
-                                                                              \
-        struct compatibility_iterator                                         \
+        class compatibility_iterator                                          \
         {                                                                     \
-            typedef std::list<elT>::iterator iterator;                        \
+        private:                                                              \
+          /* Workaround for broken VC6 nested class name resolution */        \
+          typedef std::list<elT>::iterator iterator;                          \
+          friend class liT;                                                   \
+        private:                                                              \
             iterator m_iter;                                                  \
             liT * m_list;                                                     \
         public:                                                               \
+            compatibility_iterator()                                          \
+                : m_iter(), m_list( NULL ) {}                                 \
+            compatibility_iterator( liT* li, iterator i )                     \
+                : m_iter( i ), m_list( li ) {}                                \
+            compatibility_iterator( const liT* li, iterator i )               \
+                : m_iter( i ), m_list( const_cast< liT* >( li ) ) {}          \
+                                                                              \
+            compatibility_iterator* operator->() { return this; }             \
+            const compatibility_iterator* operator->() const { return this; } \
+                                                                              \
+            bool operator==(const compatibility_iterator& i)                  \
+                { return (m_list == i.m_list) && (m_iter == i.m_iter); }      \
+            bool operator!=(const compatibility_iterator& i)                  \
+                { return !( operator==( i ) ); }                              \
             operator bool() const                                             \
-                { return m_list && m_iter != m_list->end(); }                 \
+                { return m_list ? m_iter != m_list->end() : false; }          \
             bool operator !() const                                           \
-                { return !m_list || m_iter == m_list->end(); }                \
-            compatibility_iterator( const liT* li, iterator it )              \
-                : m_iter( it ), m_list( (liT*)li ) {}                         \
-            compatibility_iterator( liT* li, iterator it )                    \
-                : m_iter( it ), m_list( li ) {}                               \
-            compatibility_iterator() : m_list( NULL ) { }                     \
-            dummy* operator->() { return (dummy*)this; }                      \
-            const dummy* operator->() const { return (const dummy*)this; }    \
-            bool operator==(const compatibility_iterator& it)                 \
-                { return m_list == it.m_list && m_iter == it.m_iter; }        \
-            bool operator!=(const compatibility_iterator& it)                 \
-                { return m_list != it.m_list || m_iter != it.m_iter; }        \
-        };                                                                    \
-        typedef struct compatibility_iterator citer;                          \
+                { return !( operator bool() ); }                              \
                                                                               \
-        class dummy                                                           \
-        {                                                                     \
-            typedef std::list<elT>::iterator it;                              \
-            typedef compatibility_iterator citer;                             \
-        public:                                                               \
             elT GetData() const                                               \
+                { return *m_iter; }                                           \
+            void SetData( elT e )                                             \
+                { *m_iter = e; }                                              \
+                                                                              \
+            compatibility_iterator GetNext() const                            \
             {                                                                 \
-                citer* i = (citer*)this;                                      \
-                return *(i->m_iter);                                          \
+                iterator i = m_iter;                                          \
+                return compatibility_iterator( m_list, ++i );                 \
             }                                                                 \
-            citer GetNext() const                                             \
+            compatibility_iterator GetPrevious() const                        \
             {                                                                 \
-                citer* i = (citer*)this;                                      \
-                it lit = i->m_iter;                                           \
-                return citer( i->m_list, ++lit );                             \
+                iterator i = m_iter;                                          \
+                return compatibility_iterator( m_list, --i );                 \
             }                                                                 \
-            citer GetPrevious() const                                         \
+            int IndexOf() const                                               \
             {                                                                 \
-                citer* i = (citer*)this;                                      \
-                it lit = i->m_iter;                                           \
-                return citer( i->m_list, --lit );                             \
+                return m_list ?                                               \
+                    m_iter != m_list->end() ?                                 \
+                        std::distance( m_list->begin(), m_iter ) :            \
+                            wxNOT_FOUND :                                     \
+                        wxNOT_FOUND;                                          \
             }                                                                 \
-            void SetData( elT e )                                             \
-            {                                                                 \
-                citer* i = (citer*)this;                                      \
-                *(i->m_iter) = e;                                             \
-            }                                                                 \
-        private:                                                              \
-            dummy();                                                          \
         };                                                                    \
-    protected:                                                                \
-        iterator find( const elT e )                                          \
+    public:                                                                   \
+        liT() : m_destroy( false ) {}                                         \
+                                                                              \
+        compatibility_iterator Find( const elT e ) const                      \
         {                                                                     \
-            iterator it, en;                                                  \
-            for( it = begin(), en = end(); it != en; ++it )                   \
-                if( *it == e )                                                \
-                    return it;                                                \
-            return it;                                                        \
+          liT* _this = const_cast< liT* >( this );                            \
+          return compatibility_iterator( _this,                               \
+                     std::find( _this->begin(), _this->end(), e ) );          \
         }                                                                     \
-    public:                                                                   \
-        liT() {};                                                             \
                                                                               \
-        citer Append( elT e ) { push_back( e ); return GetLast(); }           \
-        void Clear() { clear(); }                                             \
-        size_t GetCount() const { return size(); }                            \
-        citer GetFirst() const { return citer( this, ((liT*)this)->begin() ); } \
-        citer GetLast() const { return citer( this, --(((liT*)this)->end()) ); } \
-        bool IsEmpty() const { return empty(); }                              \
-        bool DeleteObject( elT e )                                            \
+        bool IsEmpty() const                                                  \
+            { return empty(); }                                               \
+        size_t GetCount() const                                               \
+            { return size(); }                                                \
+        int Number() const                                                    \
+            { return static_cast< int >( GetCount() ); }                      \
+                                                                              \
+        compatibility_iterator Item( size_t idx ) const                       \
+        {                                                                     \
+            iterator i = const_cast< liT* >(this)->begin();                   \
+            std::advance( i, idx );                                           \
+            return compatibility_iterator( this, i );                         \
+        }                                                                     \
+        compatibility_iterator GetFirst() const                               \
         {                                                                     \
-            iterator it = find( e );                                          \
-            if( it != end() )                                                 \
+            return compatibility_iterator( this,                              \
+                const_cast< liT* >(this)->begin() );                          \
+        }                                                                     \
+        compatibility_iterator GetLast() const                                \
+        {                                                                     \
+            iterator i = const_cast< liT* >(this)->end();                     \
+            return compatibility_iterator( this, !empty() ? --i : i );        \
+        }                                                                     \
+        compatibility_iterator Member( elT e ) const                          \
+            { return Find( e ); }                                             \
+        compatibility_iterator Nth( int n ) const                             \
+            { return Item( n ); }                                             \
+        int IndexOf( elT e ) const                                            \
+            { return Find( e ).IndexOf(); }                                   \
+                                                                              \
+        compatibility_iterator Append( elT e )                                \
+        {                                                                     \
+            push_back( e );                                                   \
+            return GetLast();                                                 \
+        }                                                                     \
+        compatibility_iterator Insert( elT e )                                \
+        {                                                                     \
+            push_front( e );                                                  \
+            return compatibility_iterator( this, begin() );                   \
+        }                                                                     \
+        compatibility_iterator Insert( compatibility_iterator & i, elT e )    \
+        {                                                                     \
+            return compatibility_iterator( this, insert( i.m_iter, e ) );     \
+        }                                                                     \
+        compatibility_iterator Insert( size_t idx, elT e )                    \
+        {                                                                     \
+            return compatibility_iterator( this,                              \
+                                           insert( Item( idx ).m_iter, e ) ); \
+        }                                                                     \
+                                                                              \
+        void DeleteContents( bool destroy )                                   \
+            { m_destroy = destroy; }                                          \
+        bool GetDeleteContents() const                                        \
+            { return m_destroy; }                                             \
+        void Erase( const compatibility_iterator& i )                         \
+        {                                                                     \
+            if ( m_destroy )                                                  \
+                DeleteFunction( i->GetData() );                               \
+            erase( i.m_iter );                                                \
+        }                                                                     \
+        bool DeleteNode( const compatibility_iterator& i )                    \
+        {                                                                     \
+            if( i )                                                           \
             {                                                                 \
-                erase( it );                                                  \
+                Erase( i );                                                   \
                 return true;                                                  \
             }                                                                 \
             return false;                                                     \
         }                                                                     \
-        void Erase( const compatibility_iterator& it )                        \
+        bool DeleteObject( elT e )                                            \
         {                                                                     \
-            erase( it.m_iter );                                               \
+            return DeleteNode( Find( e ) );                                   \
         }                                                                     \
-        citer Find( const elT e ) const { return citer( this, ((liT*)this)->find( e ) ); } \
-        citer Member( elT e ) const { return Find( e ); }                     \
-        citer Insert( elT e )                                                 \
-            { push_front( e ); return citer( this, begin() ); }               \
-        citer Insert( size_t idx, elT e )                                     \
-            { return Insert( Item( idx ), e ); }                              \
-        citer Insert( citer idx, elT e )                                      \
-            { return citer( this, insert( idx.m_iter, e ) ); }                \
-        citer Item( size_t idx ) const                                        \
+        void Clear()                                                          \
         {                                                                     \
-            iterator it;                                                      \
-            for( it = ((liT*)this)->begin(); idx; --idx )                     \
-                ++it;                                                         \
-            return citer( this, it );                                         \
-        }                                                                     \
-        int IndexOf( elT e ) const                                            \
-        {                                                                     \
-            const_iterator it, en;                                            \
-            int idx;                                                          \
-            for( idx = 0, it = begin(), en = end(); it != en; ++it, ++idx )   \
-                if( *it == e )                                                \
-                    return idx;                                               \
-            return wxNOT_FOUND;                                               \
+            if ( m_destroy )                                                  \
+                std::for_each( begin(), end(), DeleteFunction );              \
+            clear();                                                          \
         }                                                                     \
+                                                                              \
+        /* Workaround for broken VC6 std::list::sort() see above */           \
+        void Sort( wxSortCompareFunction compfunc )                           \
+            { sort( std::greater<elT>( compfunc ) ); }                        \
+                                                                              \
+        ~liT() { Clear(); }                                                   \
     }
 
 #define WX_DECLARE_LIST(elementtype, listname)                              \
@@ -307,7 +370,7 @@ private:
 // wxNodeBase class is a (base for) node in a double linked list
 // -----------------------------------------------------------------------------
 
-WXDLLIMPEXP_DATA_BASE(extern wxListKey) wxDefaultListKey;
+extern WXDLLIMPEXP_DATA_BASE(wxListKey) wxDefaultListKey;
 
 class WXDLLIMPEXP_BASE wxListBase;
 
@@ -371,7 +434,7 @@ private:
 // a double-linked list class
 // -----------------------------------------------------------------------------
 
-class wxList;
+class WXDLLIMPEXP_BASE wxList;
 
 class WXDLLIMPEXP_BASE wxListBase : public wxObject
 {
@@ -390,7 +453,7 @@ public:
         // count of items in the list
     size_t GetCount() const { return m_count; }
 
-        // return TRUE if this list is empty
+        // return true if this list is empty
     bool IsEmpty() const { return m_count == 0; }
 
     // operations
@@ -446,11 +509,8 @@ public:
     wxListBase(void *object, ... /* terminate with NULL */);
 
 protected:
-        // copy ctor and assignment operator
-    wxListBase(const wxListBase& list) : wxObject()
-        { Init(); DoCopy(list); }
-    wxListBase& operator=(const wxListBase& list)
-        { Clear(); DoCopy(list); return *this; }
+    void Assign(const wxListBase& list)
+        { Clear(); DoCopy(list); }
 
         // get list head/tail
     wxNodeBase *GetFirst() const { return m_nodeFirst; }
@@ -489,10 +549,10 @@ protected:
         // removes node from the list but doesn't delete it (returns pointer
         // to the node or NULL if it wasn't found in the list)
     wxNodeBase *DetachNode(wxNodeBase *node);
-        // delete element from list, returns FALSE if node not found
+        // delete element from list, returns false if node not found
     bool DeleteNode(wxNodeBase *node);
         // finds object pointer and deletes node (and object if DeleteContents
-        // is on), returns FALSE if object not found
+        // is on), returns false if object not found
     bool DeleteObject(void *object);
 
     // search (all return NULL if item not found)
@@ -604,11 +664,13 @@ private:
                                                                             \
         name(wxKeyType keyType = wxKEY_NONE) : wxListBase(keyType)          \
             { }                                                             \
+        name(const name& list) : wxListBase(list.GetKeyType())              \
+            { Assign(list); }                                               \
         name(size_t count, T *elements[])                                   \
             : wxListBase(count, (void **)elements) { }                      \
                                                                             \
         name& operator=(const name& list)                                   \
-            { (void) wxListBase::operator=(list); return *this; }           \
+            { Assign(list); return *this; }                                 \
                                                                             \
         nodetype *GetFirst() const                                          \
             { return (nodetype *)wxListBase::GetFirst(); }                  \
@@ -656,8 +718,10 @@ private:
         int IndexOf(Tbase *object) const                                    \
             { return wxListBase::IndexOf(object); }                         \
                                                                             \
+        void Sort(wxSortCompareFunction func)                               \
+            { wxListBase::Sort(func); }                                     \
         void Sort(wxSortFuncFor_##name func)                                \
-            { wxListBase::Sort((wxSortCompareFunction)func); }              \
+            { Sort((wxSortCompareFunction)func); }                          \
                                                                             \
     protected:                                                              \
         virtual wxNodeBase *CreateNode(wxNodeBase *prev, wxNodeBase *next,  \
@@ -968,7 +1032,7 @@ private:
 #define WX_DECLARE_LIST_WITH_DECL(elementtype, listname, decl) \
     typedef elementtype _WX_LIST_ITEM_TYPE_##listname;                      \
     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)
 
@@ -1090,20 +1154,20 @@ public:
 
         // copying the string list: the strings are copied, too (extremely
         // inefficient!)
-    wxStringList(const wxStringList& other) : wxStringListBase() { DeleteContents(TRUE); DoCopy(other); }
+    wxStringList(const wxStringList& other) : wxStringListBase() { DeleteContents(true); DoCopy(other); }
     wxStringList& operator=(const wxStringList& other)
         { Clear(); DoCopy(other); return *this; }
 
     // operations
         // makes a copy of the string
     wxNode *Add(const wxChar *s);
-        
+
         // Append to beginning of list
     wxNode *Prepend(const wxChar *s);
 
     bool Delete(const wxChar *s);
 
-    wxChar **ListToArray(bool new_copies = FALSE) const;
+    wxChar **ListToArray(bool new_copies = false) const;
     bool Member(const wxChar *s) const;
 
     // alphabetic sort
@@ -1117,9 +1181,9 @@ private:
 
 #else // if wxUSE_STL
 
-WX_DECLARE_LIST_XO(wxString, wxStringListBase, class WXDLLEXPORT);
+WX_DECLARE_LIST_XO(wxString, wxStringListBase, class WXDLLIMPEXP_BASE);
 
-class WXDLLEXPORT wxStringList : public wxStringListBase
+class WXDLLIMPEXP_BASE wxStringList : public wxStringListBase
 {
 public:
     compatibility_iterator Append(wxChar* s)