made the log dialog resizeable (again?)

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

diff --git a/include/wx/dynarray.h b/include/wx/dynarray.h
index 717414886640e4af6fa5a5edc97623bfd515f036..7e064dfc0b725b47a427797ef6b47f3c8df9ec5f 100644 (file)
--- a/include/wx/dynarray.h
+++ b/include/wx/dynarray.h
@@ -17,9 +17,8 @@
 #endif
 
 #include "wx/defs.h"
 #endif
 
 #include "wx/defs.h"

-#include "wx/debug.h"

 
 

-/** @name Dynamic arrays and lists
+/** @name Dynamic arrays and object arrays (array which own their elements)

     @memo Arrays which grow on demand and do range checking (only in debug)
   */
 //@{
     @memo Arrays which grow on demand and do range checking (only in debug)
   */
 //@{


@@ -29,7 +28,7 @@
 // ----------------------------------------------------------------------------
 
 /**
 // ----------------------------------------------------------------------------
 
 /**

- the initial size by which an array/list grows when an element is added
+ the initial size by which an array grows when an element is added

  default value avoids allocate one or two bytes when the array is created
  which is rather inefficient
 */
  default value avoids allocate one or two bytes when the array is created
  which is rather inefficient
 */


@@ -43,13 +42,7 @@
  callback compare function for quick sort
  must return negative value, 0 or positive value if pItem1 <, = or > pItem2
  */
  callback compare function for quick sort
  must return negative value, 0 or positive value if pItem1 <, = or > pItem2
  */

-
-#ifdef  __VISUALC__
-  #define   CMPFUNC_CONV    _cdecl
-#else   // !Visual C++
-  #define   CMPFUNC_CONV
-#endif  // compiler
-typedef int (CMPFUNC_CONV *CMPFUNC)(const void* pItem1, const void* pItem2);
+typedef int (wxCMPFUNC_CONV *CMPFUNC)(const void* pItem1, const void* pItem2);

 
 // ----------------------------------------------------------------------------
 /**
 
 // ----------------------------------------------------------------------------
 /**


@@ -61,7 +54,7 @@ typedef int (CMPFUNC_CONV *CMPFUNC)(const void* pItem1, const void* pItem2);
      so it's not too important if it's not called (this happens when you cast
      "SomeArray *" as "BaseArray *" and then delete it)
 
      so it's not too important if it's not called (this happens when you cast
      "SomeArray *" as "BaseArray *" and then delete it)
 

-  @memo Base class for template array and list classes
+  @memo Base class for template array classes

 */
 // ----------------------------------------------------------------------------
 class WXDLLEXPORT wxBaseArray
 */
 // ----------------------------------------------------------------------------
 class WXDLLEXPORT wxBaseArray


@@ -85,9 +78,9 @@ public:
 
   /** @name memory management */
   //@{
 
   /** @name memory management */
   //@{

-    /// empties the list, but doesn't release memory
+    /// empties the array, but doesn't release memory

   void Empty() { m_nCount = 0; }
   void Empty() { m_nCount = 0; }

-    /// empties the list and releases memory
+    /// empties the array and releases memory

   void Clear();
     /// preallocates memory for given number of items
   void Alloc(size_t uiSize);
   void Clear();
     /// preallocates memory for given number of items
   void Alloc(size_t uiSize);


@@ -106,7 +99,7 @@ public:
 
 protected:
   // these methods are protected because if they were public one could
 
 protected:
   // these methods are protected because if they were public one could

-  // mistakenly call one of them instead of DEFINE_ARRAY's or LIST's
+  // mistakenly call one of them instead of DEFINE_ARRAY's or OBJARRAY's

   // type safe methods
 
   /** @name items access */
   // type safe methods
 
   /** @name items access */


@@ -123,12 +116,14 @@ protected:
     /**
       Search the element in the array, starting from the either side
       @param bFromEnd if TRUE, start from the end
     /**
       Search the element in the array, starting from the either side
       @param bFromEnd if TRUE, start from the end

-      @return index of the first item matched or NOT_FOUND
-      @see NOT_FOUND
+      @return index of the first item matched or wxNOT_FOUND
+      @see wxNOT_FOUND

      */
   int Index(long lItem, bool bFromEnd = FALSE) const;
     /// search for an item using binary search in a sorted array
   int Index(long lItem, CMPFUNC fnCompare) const;
      */
   int Index(long lItem, bool bFromEnd = FALSE) const;
     /// search for an item using binary search in a sorted array
   int Index(long lItem, CMPFUNC fnCompare) const;

+    /// search for a place to insert the element into a sorted array
+  size_t IndexForInsert(long lItem, CMPFUNC fnCompare) const;

     /// add new element at the end
   void Add(long lItem);
     /// add item assuming the array is sorted with fnCompare function
     /// add new element at the end
   void Add(long lItem);
     /// add item assuming the array is sorted with fnCompare function


@@ -138,7 +133,7 @@ protected:
     /// remove first item matching this value
   void Remove(long lItem);
     /// remove item by index
     /// remove first item matching this value
   void Remove(long lItem);
     /// remove item by index

-  void Remove(size_t uiIndex);
+  void RemoveAt(size_t uiIndex);

   //@}
 
   /// sort array elements using given compare function
   //@}
 
   /// sort array elements using given compare function


@@ -157,22 +152,38 @@ private:
 // template classes
 // ============================================================================
 
 // template classes
 // ============================================================================
 

+// resolves the name conflict between the wxT() macor and T typedef: we can't
+// use wxT() inside WX_DEFINE_ARRAY!
+#define _WX_ERROR_SIZEOF   wxT("illegal use of DEFINE_ARRAY")
+#define _WX_ERROR_REMOVE   wxT("removing inexisting element in wxArray::Remove")
+

 // ----------------------------------------------------------------------------
 // This macro generates a new array class. It is intended for storage of simple
 // types of sizeof()<=sizeof(long) or pointers if sizeof(pointer)<=sizeof(long)
 //
 // NB: it has only inline functions => takes no space at all
 // ----------------------------------------------------------------------------
 // This macro generates a new array class. It is intended for storage of simple
 // types of sizeof()<=sizeof(long) or pointers if sizeof(pointer)<=sizeof(long)
 //
 // NB: it has only inline functions => takes no space at all

+// Mod by JACS: Salford C++ doesn't like 'var->operator=' syntax, as in:
+//    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);
+// so using a temporary variable instead.

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-#define  _WX_DEFINE_ARRAY(T, name)                                  \
+// __MAC_X__ added min ~name() below for compiling Mac X
+#define  _WX_DEFINE_ARRAY(T, name, classexp)                        \

 typedef int (CMPFUNC_CONV *CMPFUNC##T)(T *pItem1, T *pItem2);       \
 typedef int (CMPFUNC_CONV *CMPFUNC##T)(T *pItem1, T *pItem2);       \

-class WXDLLEXPORTLOCAL name : public wxBaseArray                                     \
+classexp name : public wxBaseArray                                  \

 {                                                                   \
 public:                                                             \
   name()                                                            \
 {                                                                   \
 public:                                                             \
   name()                                                            \

-    { wxASSERT( sizeof(T) <= sizeof(long) ); }                      \
+  {                                                                 \
+    size_t type = sizeof(T);                                        \
+    size_t sizelong = sizeof(long);                                 \
+    if ( type > sizelong )                                          \
+      { wxFAIL_MSG( _WX_ERROR_SIZEOF ); }                           \
+  }                                                                 \
+  ~name() {}                                                        \

                                                                     \
   name& operator=(const name& src)                                  \
                                                                     \
   name& operator=(const name& src)                                  \

-    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);    \
+    { wxBaseArray* temp = (wxBaseArray*) this;                      \
+      (*temp) = ((const wxBaseArray&)src);                          \

       return *this; }                                               \
                                                                     \
   T& operator[](size_t uiIndex) const                               \
       return *this; }                                               \
                                                                     \
   T& operator[](size_t uiIndex) const                               \


@@ -190,12 +201,12 @@ public:                                                             \
   void Insert(T Item, size_t uiIndex)                               \
     { wxBaseArray::Insert((long)Item, uiIndex) ; }                  \
                                                                     \
   void Insert(T Item, size_t uiIndex)                               \
     { wxBaseArray::Insert((long)Item, uiIndex) ; }                  \
                                                                     \

-  void Remove(size_t uiIndex) { wxBaseArray::Remove(uiIndex); }     \
+  void RemoveAt(size_t uiIndex) { wxBaseArray::RemoveAt(uiIndex); } \

   void Remove(T Item)                                               \
     { int iIndex = Index(Item);                                     \
   void Remove(T Item)                                               \
     { int iIndex = Index(Item);                                     \

-      wxCHECK2_MSG( iIndex != NOT_FOUND, return,                    \
-        "removing inexisting element in wxArray::Remove" );         \
-      wxBaseArray::Remove((size_t)iIndex); }                          \
+      wxCHECK2_MSG( iIndex != wxNOT_FOUND, return,                  \
+         _WX_ERROR_REMOVE);                                         \
+      wxBaseArray::RemoveAt((size_t)iIndex); }                      \

                                                                     \
   void Sort(CMPFUNC##T fCmp) { wxBaseArray::Sort((CMPFUNC)fCmp); }  \
 }
                                                                     \
   void Sort(CMPFUNC##T fCmp) { wxBaseArray::Sort((CMPFUNC)fCmp); }  \
 }


@@ -211,22 +222,35 @@ public:                                                             \
 //  3) it has no Sort() method because it's always sorted
 //  4) Index() method is much faster (the sorted arrays use binary search
 //     instead of linear one), but Add() is slower.
 //  3) it has no Sort() method because it's always sorted
 //  4) Index() method is much faster (the sorted arrays use binary search
 //     instead of linear one), but Add() is slower.

+//  5) there is no Insert() method because you can't insert an item into the
+//     given position in a sorted array but there is IndexForInsert()/AddAt()
+//     pair which may be used to optimize a common operation of "insert only if
+//     not found"

 //
 // Summary: use this class when the speed of Index() function is important, use
 // the normal arrays otherwise.
 //
 // NB: it has only inline functions => takes no space at all
 //
 // Summary: use this class when the speed of Index() function is important, use
 // the normal arrays otherwise.
 //
 // NB: it has only inline functions => takes no space at all

+// Mod by JACS: Salford C++ doesn't like 'var->operator=' syntax, as in:
+//    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);
+// so using a temporary variable instead.

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-#define  _WX_DEFINE_SORTED_ARRAY(T, name)                           \
+#define  _WX_DEFINE_SORTED_ARRAY(T, name, classexp)                 \

 typedef int (CMPFUNC_CONV *SCMPFUNC##T)(T pItem1, T pItem2);        \
 typedef int (CMPFUNC_CONV *SCMPFUNC##T)(T pItem1, T pItem2);        \

-class WXDLLEXPORTLOCAL  name : public wxBaseArray                                     \
+classexp name : public wxBaseArray                                  \

 {                                                                   \
 public:                                                             \
   name(SCMPFUNC##T fn)                                              \
 {                                                                   \
 public:                                                             \
   name(SCMPFUNC##T fn)                                              \

-    { wxASSERT( sizeof(T) <= sizeof(long) ); m_fnCompare = fn; }    \
+  { size_t type = sizeof(T);                                        \
+    size_t sizelong = sizeof(long);                                 \
+    if ( type > sizelong )                                          \
+      { wxFAIL_MSG( _WX_ERROR_SIZEOF ); }                           \
+    m_fnCompare = fn;                                               \
+  }                                                                 \

                                                                     \
   name& operator=(const name& src)                                  \
                                                                     \
   name& operator=(const name& src)                                  \

-    { ((wxBaseArray *)this)->operator=((const wxBaseArray&)src);    \
+    { wxBaseArray* temp = (wxBaseArray*) this;                      \
+      (*temp) = ((const wxBaseArray&)src);                          \

       m_fnCompare = src.m_fnCompare;                                \
       return *this; }                                               \
                                                                     \
       m_fnCompare = src.m_fnCompare;                                \
       return *this; }                                               \
                                                                     \


@@ -240,26 +264,33 @@ public:                                                             \
   int Index(T Item) const                                           \
     { return wxBaseArray::Index((long)Item, (CMPFUNC)m_fnCompare); }\
                                                                     \
   int Index(T Item) const                                           \
     { return wxBaseArray::Index((long)Item, (CMPFUNC)m_fnCompare); }\
                                                                     \

+  size_t IndexForInsert(T Item) const                               \
+    { return wxBaseArray::IndexForInsert((long)Item,                \
+                                         (CMPFUNC)m_fnCompare); }   \
+                                                                    \
+  void AddAt(T item, size_t index)                                  \
+    { wxBaseArray::Insert((long)item, index); }                     \
+                                                                    \

   void Add(T Item)                                                  \
     { wxBaseArray::Add((long)Item, (CMPFUNC)m_fnCompare); }         \
                                                                     \
   void Add(T Item)                                                  \
     { wxBaseArray::Add((long)Item, (CMPFUNC)m_fnCompare); }         \
                                                                     \

-  void Remove(size_t uiIndex) { wxBaseArray::Remove(uiIndex); }     \
+  void RemoveAt(size_t uiIndex) { wxBaseArray::RemoveAt(uiIndex); } \

   void Remove(T Item)                                               \
     { int iIndex = Index(Item);                                     \
   void Remove(T Item)                                               \
     { int iIndex = Index(Item);                                     \

-      wxCHECK2_MSG( iIndex != NOT_FOUND, return,                    \
-        "removing inexisting element in wxArray::Remove" );         \
-      wxBaseArray::Remove((size_t)iIndex); }                        \
+      wxCHECK2_MSG( iIndex != wxNOT_FOUND, return,                  \
+        _WX_ERROR_REMOVE );                                         \
+      wxBaseArray::RemoveAt((size_t)iIndex); }                      \

                                                                     \
 private:                                                            \
   SCMPFUNC##T m_fnCompare;                                          \
 }
 
 // ----------------------------------------------------------------------------
                                                                     \
 private:                                                            \
   SCMPFUNC##T m_fnCompare;                                          \
 }
 
 // ----------------------------------------------------------------------------

-// see WX_DECLARE_LIST and WX_DEFINE_LIST
+// see WX_DECLARE_OBJARRAY and WX_DEFINE_OBJARRAY

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-#define _WX_DECLARE_LIST(T, name)                                   \
+#define _WX_DECLARE_OBJARRAY(T, name, classexp)                     \

 typedef int (CMPFUNC_CONV *CMPFUNC##T)(T** pItem1, T** pItem2);     \
 typedef int (CMPFUNC_CONV *CMPFUNC##T)(T** pItem1, T** pItem2);     \

-class WXDLLEXPORTLOCAL  name : public wxBaseArray                                     \
+classexp name : public wxBaseArray                                  \

 {                                                                   \
 public:                                                             \
   name() { }                                                        \
 {                                                                   \
 public:                                                             \
   name() { }                                                        \


@@ -285,31 +316,33 @@ public:                                                             \
   void Insert(const T* pItem, size_t uiIndex)                       \
     { wxBaseArray::Insert((long)pItem, uiIndex); }                  \
                                                                     \
   void Insert(const T* pItem, size_t uiIndex)                       \
     { wxBaseArray::Insert((long)pItem, uiIndex); }                  \
                                                                     \

-  void Empty();                                                     \
+  void Empty() { DoEmpty(); wxBaseArray::Empty(); }                 \
+  void Clear() { DoEmpty(); wxBaseArray::Clear(); }                 \

                                                                     \
   T*   Detach(size_t uiIndex)                                       \
     { T* p = (T*)wxBaseArray::Item(uiIndex);                        \
                                                                     \
   T*   Detach(size_t uiIndex)                                       \
     { T* p = (T*)wxBaseArray::Item(uiIndex);                        \

-      wxBaseArray::Remove(uiIndex); return p; }                     \
-  void Remove(size_t uiIndex);                                      \
+      wxBaseArray::RemoveAt(uiIndex); return p; }                   \
+  void RemoveAt(size_t uiIndex);                                    \

                                                                     \
   void Sort(CMPFUNC##T fCmp) { wxBaseArray::Sort((CMPFUNC)fCmp); }  \
                                                                     \
 private:                                                            \
                                                                     \
   void Sort(CMPFUNC##T fCmp) { wxBaseArray::Sort((CMPFUNC)fCmp); }  \
                                                                     \
 private:                                                            \

+  void DoEmpty();                                                   \

   void DoCopy(const name& src);                                     \
 }
 
 // ----------------------------------------------------------------------------
   void DoCopy(const name& src);                                     \
 }
 
 // ----------------------------------------------------------------------------

-/** @name Macros for definition of dynamic arrays and lists
+/** @name Macros for definition of dynamic arrays and objarrays

 
   These macros are ugly (especially if you look in the sources ;-), but they
   allow us to define 'template' classes without actually using templates.
   <BR>
   <BR>
 
   These macros are ugly (especially if you look in the sources ;-), but they
   allow us to define 'template' classes without actually using templates.
   <BR>
   <BR>

-  Range checking is performed in debug build for both arrays and lists. Type
-  checking is done at compile-time. Warning: arrays <I>never</I> shrink, they
-  only grow, so loading 10 millions in an array only to delete them 2 lines
-  below is <I>not</I> recommended. However, it does free memory when it's
-  destroyed, so if you destroy array also, it's ok.
+  Range checking is performed in debug build for both arrays and objarrays.
+  Type checking is done at compile-time. Warning: arrays <I>never</I> shrink,
+  they only grow, so loading 10 millions in an array only to delete them 2
+  lines below is <I>not</I> recommended. However, it does free memory when
+  it's destroyed, so if you destroy array also, it's ok.

   */
 // ----------------------------------------------------------------------------
 
   */
 // ----------------------------------------------------------------------------
 


@@ -323,93 +356,137 @@ private:                                                            \
 
    @memo declare and define array class 'name' containing elements of type 'T'
   */
 
    @memo declare and define array class 'name' containing elements of type 'T'
   */

-#define WX_DEFINE_ARRAY(T, name)  typedef T _A##name;                        \
-                                  _WX_DEFINE_ARRAY(_A##name, name)
+#define WX_DEFINE_ARRAY(T, name)                \
+    typedef T _A##name;                         \
+    _WX_DEFINE_ARRAY(_A##name, name, class)

 
   /**
    This macro does the same as WX_DEFINE_ARRAY except that the array will be
    sorted with the specified compare function.
    */
 
   /**
    This macro does the same as WX_DEFINE_ARRAY except that the array will be
    sorted with the specified compare function.
    */

-#define WX_DEFINE_SORTED_ARRAY(T, name)  typedef T _A##name;                 \
-                                  _WX_DEFINE_SORTED_ARRAY(_A##name, name)
+#define WX_DEFINE_SORTED_ARRAY(T, name)             \
+    typedef T _A##name;                             \
+    _WX_DEFINE_SORTED_ARRAY(_A##name, name, class)

 
   /**
 
   /**

-   This macro generates a new list class which owns the objects it contains,
-   i.e. it will delete them when it is destroyed. An element is of type T*,
-   but arguments of type T& are taken (see below!) and T& is returned.
-   <BR>
+   This macro generates a new objarrays class which owns the objects it
+   contains, i.e. it will delete them when it is destroyed. An element is of
+   type T*, but arguments of type T& are taken (see below!) and T& is
+   returned. <BR>

    Don't use this for simple types such as "int" or "long"!
    You _may_ use it for "double" but it's awfully inefficient.
    <BR>
    <BR>
    Note on Add/Insert functions:
    <BR>
    Don't use this for simple types such as "int" or "long"!
    You _may_ use it for "double" but it's awfully inefficient.
    <BR>
    <BR>
    Note on Add/Insert functions:
    <BR>

-    1) function(T*) gives the object to the list, i.e. it will delete the
-       object when it's removed or in the list's dtor
+    1) function(T*) gives the object to the array, i.e. it will delete the
+       object when it's removed or in the array's dtor

    <BR>
     2) function(T&) will create a copy of the object and work with it
    <BR>
    <BR>
    Also:
    <BR>
    <BR>
     2) function(T&) will create a copy of the object and work with it
    <BR>
    <BR>
    Also:
    <BR>

-    1) Remove() will delete the object after removing it from the list
+    1) Remove() will delete the object after removing it from the array

    <BR>
    <BR>

-    2) Detach() just removes the object from the list (returning pointer to it)
+    2) Detach() just removes the object from the array (returning pointer to it)

    <BR>
    <BR>
    NB1: Base type T should have an accessible copy ctor  if  Add(T&) is used,
    <BR>
    <BR>
    <BR>
    NB1: Base type T should have an accessible copy ctor  if  Add(T&) is used,
    <BR>

-   NB2: Never ever cast a list to it's base type: as dtor is <B>not</B> virtual
+   NB2: Never ever cast a array to it's base type: as dtor is <B>not</B> virtual

         it will provoke memory leaks
    <BR>
    <BR>
    some functions of this class are not inline, so it takes some space to
    define new class from this template.
 
         it will provoke memory leaks
    <BR>
    <BR>
    some functions of this class are not inline, so it takes some space to
    define new class from this template.
 

-   @memo declare list class 'name' containing elements of type 'T'
+   @memo declare objarray class 'name' containing elements of type 'T'

   */
   */

-#define WX_DECLARE_LIST(T, name)  typedef T _L##name;                 \
-                                  _WX_DECLARE_LIST(_L##name, name)
+#define WX_DECLARE_OBJARRAY(T, name)            \
+    typedef T _L##name;                         \
+    _WX_DECLARE_OBJARRAY(_L##name, name, class)
+

   /**
   /**

-    To use a list class you must
+    To use an objarray class you must

     <ll>
     <li>#include "dynarray.h"
     <ll>
     <li>#include "dynarray.h"

-    <li>DECLARE_LIST(element_type, list_class_name)
-    <li>#include "listimpl.cpp"
-    <li>DEFINE_LIST(list_class_name)   // same as above!
+    <li>WX_DECLARE_OBJARRAY(element_type, list_class_name)
+    <li>#include "arrimpl.cpp"
+    <li>WX_DEFINE_OBJARRAY(list_class_name)   // same as above!

     </ll>
     <BR><BR>
     </ll>
     <BR><BR>

-    This is necessary because at the moment of DEFINE_LIST class element_type
-    must be fully defined (i.e. forward declaration is not enough), while
-    DECLARE_LIST may be done anywhere. The separation of two allows to break
-    cicrcular dependencies with classes which have member variables of list
-    type.
+    This is necessary because at the moment of DEFINE_OBJARRAY class
+    element_type must be fully defined (i.e. forward declaration is not
+    enough), while WX_DECLARE_OBJARRAY may be done anywhere. The separation of
+    two allows to break cicrcular dependencies with classes which have member
+    variables of objarray type.

 
 

-    @memo define (must include listimpl.cpp!) list class 'name'
+    @memo define (must include arrimpl.cpp!) objarray class 'name'

    */
    */

-#define WX_DEFINE_LIST(name)       "don't forget to include listimpl.cpp!"
+#define WX_DEFINE_OBJARRAY(name)       "don't forget to include arrimpl.cpp!"

 //@}
 
 //@}
 

+// these macros do the same thing as the WX_XXX ones above, but should be used
+// inside the library for user visible classes because otherwise they wouldn't
+// be visible from outside (when using wxWindows as DLL under Windows)
+#define WX_DEFINE_EXPORTED_ARRAY(T, name)               \
+    typedef T _A##name;                                 \
+    _WX_DEFINE_ARRAY(_A##name, name, class WXDLLEXPORT)
+
+#define WX_DEFINE_SORTED_EXPORTED_ARRAY(T, name)        \
+    typedef T _A##name;                                 \
+    _WX_DEFINE_SORTED_ARRAY(_A##name, name, class WXDLLEXPORT)
+
+#define WX_DECLARE_EXPORTED_OBJARRAY(T, name)           \
+    typedef T _L##name;                                 \
+    _WX_DECLARE_OBJARRAY(_L##name, name, class WXDLLEXPORT)
+

 // ----------------------------------------------------------------------------
 /** @name Some commonly used predefined arrays */
 // ----------------------------------------------------------------------------
 /** @name Some commonly used predefined arrays */

-// # overhead if not used?

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-#define WXDLLEXPORTLOCAL WXDLLEXPORT
-

 //@{
   /** @name ArrayInt */
 //@{
   /** @name ArrayInt */

-WX_DEFINE_ARRAY(int,    wxArrayInt);
+WX_DEFINE_EXPORTED_ARRAY(int, wxArrayInt);

   /** @name ArrayLong */
   /** @name ArrayLong */

-WX_DEFINE_ARRAY(long,   wxArrayLong);
+WX_DEFINE_EXPORTED_ARRAY(long, wxArrayLong);

   /** @name ArrayPtrVoid */
   /** @name ArrayPtrVoid */

-WX_DEFINE_ARRAY(void *, wxArrayPtrVoid);
+WX_DEFINE_EXPORTED_ARRAY(void *, wxArrayPtrVoid);

 //@}
 
 //@}
 
 //@}
 
 //@}
 

-#undef  WXDLLEXPORTLOCAL
-#define WXDLLEXPORTLOCAL
+// -----------------------------------------------------------------------------
+// convenience macros
+// -----------------------------------------------------------------------------
+
+// append all element of one array to another one
+#define WX_APPEND_ARRAY(array, other)                                         \
+    {                                                                         \
+        size_t count = (other).Count();                                       \
+        for ( size_t n = 0; n < count; n++ )                                  \
+        {                                                                     \
+            (array).Add((other)[n]);                                          \
+        }                                                                     \
+    }
+
+// delete all array elements
+//
+// NB: the class declaration of the array elements must be visible from the
+//     place where you use this macro, otherwise the proper destructor may not
+//     be called (a decent compiler should give a warning about it, but don't
+//     count on it)!
+#define WX_CLEAR_ARRAY(array)                                                 \
+    {                                                                         \
+        size_t count = (array).Count();                                       \
+        for ( size_t n = 0; n < count; n++ )                                  \
+        {                                                                     \
+            delete (array)[n];                                                \
+        }                                                                     \
+                                                                              \
+        (array).Empty();                                                      \
+    }

 
 #endif // _DYNARRAY_H
 
 
 #endif // _DYNARRAY_H