fixed visibility warning on Fedora

[wxWidgets.git] / include / wx / list.h

diff --git a/include/wx/list.h b/include/wx/list.h
index 7d1f0ebc1a2caf91c531c95294631a565f5a4853..0694f7efeb4a6efcfd4cf4249105450cb54d58ec 100644 (file)
--- a/include/wx/list.h
+++ b/include/wx/list.h
@@ -54,28 +54,12 @@ extern "C"
 typedef int (* LINKAGEMODE wxSortCompareFunction)(const void *elem1, const void *elem2);
 }
 
 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);
 
 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
 #if wxUSE_STL
 
 #define wxLIST_COMPATIBILITY


@@ -93,7 +77,7 @@ enum wxKeyType
 #define WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) \
     WX_DECLARE_LIST_XO(elT*, liT, decl)
 
 #define WX_DECLARE_LIST_WITH_DECL(elT, liT, decl) \
     WX_DECLARE_LIST_XO(elT*, liT, decl)
 

-#if !defined( __VISUALC__ )
+#if !defined(__VISUALC__) || __VISUALC__ >= 1300 // == !VC6

 
 template<class T>
 class WXDLLIMPEXP_BASE wxList_SortFunction
 
 template<class T>
 class WXDLLIMPEXP_BASE wxList_SortFunction


@@ -109,7 +93,7 @@ private:
 #define WX_LIST_SORTFUNCTION( elT, f ) wxList_SortFunction<elT>(f)
 #define VC6_WORKAROUND(elT, liT, decl)
 
 #define WX_LIST_SORTFUNCTION( elT, f ) wxList_SortFunction<elT>(f)
 #define VC6_WORKAROUND(elT, liT, decl)
 

-#else // if defined( __VISUALC__ )
+#else // if defined( __VISUALC__ ) && __VISUALC__ < 1300 // == VC6

 
 #define WX_LIST_SORTFUNCTION( elT, f ) std::greater<elT>( f )
 #define VC6_WORKAROUND(elT, liT, decl)                                        \
 
 #define WX_LIST_SORTFUNCTION( elT, f ) std::greater<elT>( f )
 #define VC6_WORKAROUND(elT, liT, decl)                                        \


@@ -128,35 +112,81 @@ private:
             bool operator()(const elT X, const elT Y) const                   \
                 {                                                             \
                     return m_CompFunc ?                                       \
             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 );                                            \
                 }                                                             \
     };
 
                         ( X > Y );                                            \
                 }                                                             \
     };
 

-#endif // defined( __VISUALC__ )
+// helper for std::greater<elT> above:
+template<typename T>
+inline const void *wxListCastElementToVoidPtr(const T* ptr) { return ptr; }
+inline const void *wxListCastElementToVoidPtr(const wxString& str)
+    { return (const char*)str; }

 
 

+#endif // VC6/!VC6
+
+/*
+    Note 1: the outer helper class _WX_LIST_HELPER_##liT below is a workaround
+    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
+         {
+            static void Bar();
+            struct SomeInnerClass
+            {
+              friend class Foo; // comment this out to make it link
+            };
+            ~Foo()
+            {
+                Bar();
+            }
+         };
+
+    The program does not link under mingw_gcc 3.2.3 producing undefined
+    reference to Foo::Bar() function
+
+
+    Note 2: the EmptyList is needed to allow having a NULL pointer-like
+    invalid iterator. We used to use just an uninitialized iterator object
+    instead but this fails with some debug/checked versions of STL, notably the
+    glibc version activated with _GLIBCXX_DEBUG, so we need to have a separate
+    invalid iterator.
+ */
+
+// the real wxList-class declaration

 #define WX_DECLARE_LIST_XO(elT, liT, decl)                                    \
 #define WX_DECLARE_LIST_XO(elT, liT, decl)                                    \

+    decl _WX_LIST_HELPER_##liT                                                \
+    {                                                                         \
+        typedef elT _WX_LIST_ITEM_TYPE_##liT;                                 \
+    public:                                                                   \
+        static void DeleteFunction( _WX_LIST_ITEM_TYPE_##liT X );             \
+    };                                                                        \
+                                                                              \

     VC6_WORKAROUND(elT, liT, decl)                                            \
     decl liT : public std::list<elT>                                          \
     {                                                                         \
     private:                                                                  \
     VC6_WORKAROUND(elT, liT, decl)                                            \
     decl liT : public std::list<elT>                                          \
     {                                                                         \
     private:                                                                  \

+        typedef std::list<elT> BaseListType;                                  \
+        static BaseListType EmptyList;                                        \
+                                                                              \

         bool m_destroy;                                                       \
         bool m_destroy;                                                       \

-    private:                                                                  \
-        typedef elT _WX_LIST_ITEM_TYPE_##liT;                                 \
-        static void DeleteFunction( _WX_LIST_ITEM_TYPE_##liT X );             \
+                                                                              \

     public:                                                                   \
     public:                                                                   \

-        class compatibility_iterator                                          \
+        decl compatibility_iterator                                           \

         {                                                                     \
         private:                                                              \
         {                                                                     \
         private:                                                              \

-          /* Workaround for broken VC6 nested class name resolution */        \
-          typedef std::list<elT>::iterator iterator;                          \
-          friend class liT;                                                   \
-        private:                                                              \
+            /* Workaround for broken VC6 nested class name resolution */      \
+            typedef std::list<elT>::iterator iterator;                        \
+            friend class liT;                                                 \
+                                                                              \

             iterator m_iter;                                                  \
             liT * m_list;                                                     \
             iterator m_iter;                                                  \
             liT * m_list;                                                     \

+                                                                              \

         public:                                                               \
             compatibility_iterator()                                          \
         public:                                                               \
             compatibility_iterator()                                          \

-                : m_iter(), m_list( NULL ) {}                                 \
+                : m_iter(EmptyList.end()), m_list( NULL ) {}                  \

             compatibility_iterator( liT* li, iterator i )                     \
                 : m_iter( i ), m_list( li ) {}                                \
             compatibility_iterator( const liT* li, iterator i )               \
             compatibility_iterator( liT* li, iterator i )                     \
                 : m_iter( i ), m_list( li ) {}                                \
             compatibility_iterator( const liT* li, iterator i )               \


@@ -190,6 +220,9 @@ private:
             }                                                                 \
             compatibility_iterator GetPrevious() const                        \
             {                                                                 \
             }                                                                 \
             compatibility_iterator GetPrevious() const                        \
             {                                                                 \

+                if ( m_iter == m_list->begin() )                              \
+                    return compatibility_iterator();                          \
+                                                                              \

                 iterator i = m_iter;                                          \
                 return compatibility_iterator( m_list, --i );                 \
             }                                                                 \
                 iterator i = m_iter;                                          \
                 return compatibility_iterator( m_list, --i );                 \
             }                                                                 \


@@ -222,6 +255,11 @@ private:
             std::advance( i, idx );                                           \
             return compatibility_iterator( this, i );                         \
         }                                                                     \
             std::advance( i, idx );                                           \
             return compatibility_iterator( this, i );                         \
         }                                                                     \

+        elT operator[](size_t idx) const                                      \
+        {                                                                     \
+            return Item(idx).GetData();                                       \
+        }                                                                     \
+                                                                              \

         compatibility_iterator GetFirst() const                               \
         {                                                                     \
             return compatibility_iterator( this,                              \
         compatibility_iterator GetFirst() const                               \
         {                                                                     \
             return compatibility_iterator( this,                              \


@@ -266,7 +304,7 @@ private:
         void Erase( const compatibility_iterator& i )                         \
         {                                                                     \
             if ( m_destroy )                                                  \
         void Erase( const compatibility_iterator& i )                         \
         {                                                                     \
             if ( m_destroy )                                                  \

-                DeleteFunction( i->GetData() );                               \
+                _WX_LIST_HELPER_##liT::DeleteFunction( i->GetData() );        \

             erase( i.m_iter );                                                \
         }                                                                     \
         bool DeleteNode( const compatibility_iterator& i )                    \
             erase( i.m_iter );                                                \
         }                                                                     \
         bool DeleteNode( const compatibility_iterator& i )                    \


@@ -285,13 +323,17 @@ private:
         void Clear()                                                          \
         {                                                                     \
             if ( m_destroy )                                                  \
         void Clear()                                                          \
         {                                                                     \
             if ( m_destroy )                                                  \

-                std::for_each( begin(), end(), DeleteFunction );              \
+                std::for_each( begin(), end(),                                \
+                               _WX_LIST_HELPER_##liT::DeleteFunction );       \

             clear();                                                          \
         }                                                                     \
         /* Workaround for broken VC6 std::list::sort() see above */           \
         void Sort( wxSortCompareFunction compfunc )                           \
             { sort( WX_LIST_SORTFUNCTION( elT, compfunc ) ); }                \
         ~liT() { Clear(); }                                                   \
             clear();                                                          \
         }                                                                     \
         /* Workaround for broken VC6 std::list::sort() see above */           \
         void Sort( wxSortCompareFunction compfunc )                           \
             { sort( WX_LIST_SORTFUNCTION( elT, compfunc ) ); }                \
         ~liT() { Clear(); }                                                   \

+                                                                              \
+        /* It needs access to our EmptyList */                                \
+        friend decl compatibility_iterator;                                   \

     }
 
 #define WX_DECLARE_LIST(elementtype, listname)                              \
     }
 
 #define WX_DECLARE_LIST(elementtype, listname)                              \


@@ -318,11 +360,6 @@ private:
 
 #else // if !wxUSE_STL
 
 
 #else // if !wxUSE_STL
 

-// due to circular header dependencies this function has to be declared here
-// (normally it's found in utils.h which includes itself list.h...)
-#if WXWIN_COMPATIBILITY_2_4
-extern WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s);
-#endif

 
 // undef it to get rid of old, deprecated functions
 #define wxLIST_COMPATIBILITY
 
 // undef it to get rid of old, deprecated functions
 #define wxLIST_COMPATIBILITY


@@ -334,7 +371,7 @@ extern WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s);
 union wxListKeyValue
 {
     long integer;
 union wxListKeyValue
 {
     long integer;

-    wxChar *string;
+    wxString *string;

 };
 
 // a struct which may contain both types of keys
 };
 
 // a struct which may contain both types of keys


@@ -351,15 +388,17 @@ public:
         { }
     wxListKey(long i) : m_keyType(wxKEY_INTEGER)
         { m_key.integer = i; }
         { }
     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)
     wxListKey(const wxString& s) : m_keyType(wxKEY_STRING)

-        { m_key.string = wxStrdup(s.c_str()); }
+        { 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; }
 
     // accessors
     wxKeyType GetKeyType() const { return m_keyType; }

-    const wxChar *GetString() const
-        { wxASSERT( m_keyType == wxKEY_STRING ); return m_key.string; }
+    const wxString GetString() const
+        { wxASSERT( m_keyType == wxKEY_STRING ); return *m_key.string; }

     long GetNumber() const
         { wxASSERT( m_keyType == wxKEY_INTEGER ); return m_key.integer; }
 
     long GetNumber() const
         { wxASSERT( m_keyType == wxKEY_INTEGER ); return m_key.integer; }
 


@@ -372,7 +411,7 @@ public:
     ~wxListKey()
     {
         if ( m_keyType == wxKEY_STRING )
     ~wxListKey()
     {
         if ( m_keyType == wxKEY_STRING )

-            free(m_key.string);
+            delete m_key.string;

     }
 
 private:
     }
 
 private:


@@ -386,7 +425,7 @@ private:
 
 extern WXDLLIMPEXP_DATA_BASE(wxListKey) wxDefaultListKey;
 
 
 extern WXDLLIMPEXP_DATA_BASE(wxListKey) wxDefaultListKey;
 

-class WXDLLIMPEXP_BASE wxListBase;
+class WXDLLIMPEXP_FWD_BASE wxListBase;

 
 class WXDLLIMPEXP_BASE wxNodeBase
 {
 
 class WXDLLIMPEXP_BASE wxNodeBase
 {


@@ -402,11 +441,11 @@ public:
     virtual ~wxNodeBase();
 
     // FIXME no check is done that the list is really keyed on strings
     virtual ~wxNodeBase();
 
     // FIXME no check is done that the list is really keyed on strings

-    const wxChar *GetKeyString() const { return m_key.string; }
+    wxString GetKeyString() const { return *m_key.string; }

     long GetKeyInteger() const { return m_key.integer; }
 
     // Necessary for some existing code
     long GetKeyInteger() const { return m_key.integer; }
 
     // Necessary for some existing code

-    void SetKeyString(wxChar* s) { m_key.string = s; }
+    void SetKeyString(const wxString& s) { m_key.string = new wxString(s); }

     void SetKeyInteger(long i) { m_key.integer = i; }
 
 #ifdef wxLIST_COMPATIBILITY
     void SetKeyInteger(long i) { m_key.integer = i; }
 
 #ifdef wxLIST_COMPATIBILITY


@@ -448,11 +487,11 @@ private:
 // a double-linked list class
 // -----------------------------------------------------------------------------
 
 // a double-linked list class
 // -----------------------------------------------------------------------------
 

-class WXDLLIMPEXP_BASE wxList;
+class WXDLLIMPEXP_FWD_BASE wxList;

 
 class WXDLLIMPEXP_BASE wxListBase : public wxObject
 {
 
 class WXDLLIMPEXP_BASE wxListBase : public wxObject
 {

-friend class WXDLLIMPEXP_BASE wxNodeBase; // should be able to call DetachNode()
+friend class WXDLLIMPEXP_FWD_BASE wxNodeBase; // should be able to call DetachNode()

 friend class wxHashTableBase;   // should be able to call untyped Find()
 
 public:
 friend class wxHashTableBase;   // should be able to call untyped Find()
 
 public:


@@ -556,7 +595,7 @@ protected:
 
         // keyed append
     wxNodeBase *Append(long key, void *object);
 
         // keyed append
     wxNodeBase *Append(long key, void *object);

-    wxNodeBase *Append(const wxChar *key, void *object);
+    wxNodeBase *Append(const wxString& key, void *object);

 
         // 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)
 
         // 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)


@@ -677,7 +716,17 @@ private:
     {                                                                       \
     public:                                                                 \
         typedef nodetype Node;                                              \
     {                                                                       \
     public:                                                                 \
         typedef nodetype Node;                                              \

-        typedef Node* compatibility_iterator;                               \
+        classexp compatibility_iterator                                     \
+        {                                                                   \
+        public:                                                             \
+            compatibility_iterator(Node *ptr = NULL) : m_ptr(ptr) { }       \
+                                                                            \
+            Node *operator->() const { return m_ptr; }                      \
+            operator Node *() const { return m_ptr; }                       \
+                                                                            \
+        private:                                                            \
+            Node *m_ptr;                                                    \
+        };                                                                  \

                                                                             \
         name(wxKeyType keyType = wxKEY_NONE) : wxListBase(keyType)          \
             { }                                                             \
                                                                             \
         name(wxKeyType keyType = wxKEY_NONE) : wxListBase(keyType)          \
             { }                                                             \


@@ -723,7 +772,7 @@ private:
             { return wxListBase::DeleteNode(node); }                        \
         bool DeleteObject(Tbase *object)                                    \
             { return wxListBase::DeleteObject(object); }                    \
             { return wxListBase::DeleteNode(node); }                        \
         bool DeleteObject(Tbase *object)                                    \
             { return wxListBase::DeleteObject(object); }                    \

-        void Erase(compatibility_iterator it)                               \
+        void Erase(nodetype *it)                                            \

             { DeleteNode(it); }                                             \
                                                                             \
         nodetype *Find(const Tbase *object) const                           \
             { DeleteNode(it); }                                             \
                                                                             \
         nodetype *Find(const Tbase *object) const                           \


@@ -760,7 +809,7 @@ private:
         typedef base_value_type& base_reference;                            \
         typedef const base_value_type& const_base_reference;                \
                                                                             \
         typedef base_value_type& base_reference;                            \
         typedef const base_value_type& const_base_reference;                \
                                                                             \

-        class iterator                                                      \
+        classexp iterator                                                   \

         {                                                                   \
             typedef name list;                                              \
         public:                                                             \
         {                                                                   \
             typedef name list;                                              \
         public:                                                             \


@@ -800,7 +849,7 @@ private:
             bool operator==(const itor& it) const                           \
                 { return it.m_node == m_node; }                             \
         };                                                                  \
             bool operator==(const itor& it) const                           \
                 { return it.m_node == m_node; }                             \
         };                                                                  \

-        class const_iterator                                                \
+        classexp const_iterator                                             \

         {                                                                   \
             typedef name list;                                              \
         public:                                                             \
         {                                                                   \
             typedef name list;                                              \
         public:                                                             \


@@ -843,7 +892,7 @@ private:
             bool operator==(const itor& it) const                           \
                 { return it.m_node == m_node; }                             \
         };                                                                  \
             bool operator==(const itor& it) const                           \
                 { return it.m_node == m_node; }                             \
         };                                                                  \

-        class reverse_iterator                                              \
+        classexp reverse_iterator                                           \

         {                                                                   \
             typedef name list;                                              \
         public:                                                             \
         {                                                                   \
             typedef name list;                                              \
         public:                                                             \


@@ -882,7 +931,7 @@ private:
             bool operator==(const itor& it) const                           \
                 { return it.m_node == m_node; }                             \
         };                                                                  \
             bool operator==(const itor& it) const                           \
                 { return it.m_node == m_node; }                             \
         };                                                                  \

-        class const_reverse_iterator                                        \
+        classexp const_reverse_iterator                                     \

         {                                                                   \
             typedef name list;                                              \
         public:                                                             \
         {                                                                   \
             typedef name list;                                              \
         public:                                                             \


@@ -975,7 +1024,8 @@ private:
         iterator insert(const iterator& it, const_reference v = value_type())\
         {                                                                   \
             Insert(it.m_node, (const_base_reference)v);                     \
         iterator insert(const iterator& it, const_reference v = value_type())\
         {                                                                   \
             Insert(it.m_node, (const_base_reference)v);                     \

-            return iterator(it.m_node->GetPrevious(), GetLast());           \
+            iterator itprev(it);                                            \
+            return itprev--;                                                \

         }                                                                   \
         void insert(const iterator& it, size_type n, const_reference v = value_type())\
         {                                                                   \
         }                                                                   \
         void insert(const iterator& it, size_type n, const_reference v = value_type())\
         {                                                                   \


@@ -1163,10 +1213,10 @@ public:
         // default
 #ifdef wxWARN_COMPAT_LIST_USE
     wxStringList();
         // default
 #ifdef wxWARN_COMPAT_LIST_USE
     wxStringList();

-    wxDEPRECATED( wxStringList(const wxChar *first ...) );
+    wxDEPRECATED( wxStringList(const wxChar *first ...) ); // FIXME-UTF8

 #else
     wxStringList();
 #else
     wxStringList();

-    wxStringList(const wxChar *first ...);
+    wxStringList(const wxChar *first ...); // FIXME-UTF8

 #endif
 
         // copying the string list: the strings are copied, too (extremely
 #endif
 
         // copying the string list: the strings are copied, too (extremely