implement support for returning several elements at once from IEnumFORMATETC (part...

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

diff --git a/include/wx/object.h b/include/wx/object.h
index 5b06ab786fcd2f660046297ec862561c3da4e5a2..92f759609d9341fcb536b509a89d0fd4c592ea5e 100644 (file)
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -5,7 +5,7 @@
 // Modified by: Ron Lee
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) 1997 Julian Smart and Markus Holzem
+// Copyright:   (c) 1997 Julian Smart
 //              (c) 2001 Ron Lee <ron@debian.org>
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -13,7 +13,7 @@
 #ifndef _WX_OBJECTH__
 #define _WX_OBJECTH__
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)
 #pragma interface "object.h"
 #endif
 
@@ -24,7 +24,7 @@
 #include "wx/defs.h"
 #include "wx/memory.h"
 
-class WXDLLEXPORT wxObject;
+class WXDLLIMPEXP_BASE wxObject;
 
 #if wxUSE_DYNAMIC_CLASSES
 
@@ -41,14 +41,9 @@ class WXDLLEXPORT wxObject;
 #undef GetClassInfo
 #endif
 
-class WXDLLEXPORT wxClassInfo;
-class WXDLLEXPORT wxHashTable;
-class WXDLLEXPORT wxObjectRefData;
-
-#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
-    #include "wx/ioswrap.h"
-#endif
-
+class WXDLLIMPEXP_BASE wxClassInfo;
+class WXDLLIMPEXP_BASE wxHashTable;
+class WXDLLIMPEXP_BASE wxObjectRefData;
 
 // ----------------------------------------------------------------------------
 // wxClassInfo
@@ -56,7 +51,7 @@ class WXDLLEXPORT wxObjectRefData;
 
 typedef wxObject *(*wxObjectConstructorFn)(void);
 
-class WXDLLEXPORT wxClassInfo
+class WXDLLIMPEXP_BASE wxClassInfo
 {
 public:
     wxClassInfo( const wxChar *className,
@@ -72,7 +67,9 @@ public:
         , m_baseInfo1(0)
         , m_baseInfo2(0)
         , m_next(sm_first)
-    { sm_first = this; }
+        { sm_first = this; }
+
+    ~wxClassInfo();
 
     wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
 
@@ -132,9 +129,11 @@ public:
 private:
     // InitializeClasses() helper
     static wxClassInfo *GetBaseByName(const wxChar *name);
+
+    DECLARE_NO_COPY_CLASS(wxClassInfo)
 };
 
-WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name);
+WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
 
 // ----------------------------------------------------------------------------
 // Dynamic class macros
@@ -156,7 +155,7 @@ WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name);
     // Single inheritance with one base class
 
 #define IMPLEMENT_DYNAMIC_CLASS(name, basename)                 \
- wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name()          \
+ wxObject* wxConstructorFor##name()                             \
   { return new name; }                                          \
  wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
             0, (int) sizeof(name),                              \
@@ -165,7 +164,7 @@ WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name);
     // Multiple inheritance with two base classes
 
 #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)    \
- wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name()          \
+ wxObject* wxConstructorFor##name()                             \
   { return new name; }                                          \
  wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
             wxT(#basename2), (int) sizeof(name),                \
@@ -299,14 +298,18 @@ name##PluginSentinel  m_pluginsentinel;
 
 // to be replaced by dynamic_cast<> in the future
 #define wxDynamicCast(obj, className) \
- (className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className)
+ ((className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className))
 
 // The 'this' pointer is always true, so use this version
 // to cast the this pointer and avoid compiler warnings.
 #define wxDynamicCastThis(className) \
  (IsKindOf(&className::sm_class##className) ? (className *)(this) : (className *)0)
 
+#ifdef HAVE_CONST_CAST
+#define wxConstCast(obj, className) const_cast<className *>(obj)
+#else
 #define wxConstCast(obj, className) ((className *)(obj))
+#endif
 
 
 #ifdef __WXDEBUG__
@@ -322,18 +325,6 @@ inline void wxCheckCast(void *ptr)
 
 #endif  // __WXDEBUG__
 
-
-// for some reason Borland seems to need this include.
-#if wxUSE_STD_IOSTREAM                                \
-    && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)  \
-    && defined(__BORLANDC__)
-    #if wxUSE_IOSTREAMH
-        #include <iostream.h>
-    #else
-        #include <iostream>
-    #endif
-#endif // wxUSE_IOSTREAMH
-
 // ----------------------------------------------------------------------------
 // set up memory debugging macros
 // ----------------------------------------------------------------------------
@@ -366,7 +357,7 @@ inline void wxCheckCast(void *ptr)
 #endif
 
 // Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new
-#if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || defined(__MWERKS__)
+#if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
     #define _WX_WANT_DELETE_VOID_WXCHAR_INT
 #endif
 
@@ -392,18 +383,40 @@ inline void wxCheckCast(void *ptr)
 
 #endif // WXDEBUG && wxUSE_MEMORY_TRACING
 
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
+// needed by wxObject::Dump
+#include "wx/iosfwrap.h"
+#endif
 
 // ----------------------------------------------------------------------------
 // wxObject: the root class of wxWindows object hierarchy
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxObject
+class WXDLLIMPEXP_BASE wxObject
 {
-DECLARE_ABSTRACT_CLASS(wxObject)
+    DECLARE_ABSTRACT_CLASS(wxObject)
 
+private:
+    void InitFrom(const wxObject& other);
+    
 public:
     wxObject() { m_refData = NULL; }
     virtual ~wxObject() { UnRef(); }
+    
+    wxObject(const wxObject& other)
+        {
+            InitFrom(other);
+        }
+    
+    wxObject& operator=(const wxObject& other)
+    {
+        if ( this != &other )
+        {
+            UnRef();
+            InitFrom(other);
+        }
+        return *this;
+    }
 
     bool IsKindOf(wxClassInfo *info) const;
 
@@ -477,9 +490,9 @@ protected:
 // wxObjectRefData: ref counted data meant to be stored in wxObject
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxObjectRefData
+class WXDLLIMPEXP_BASE wxObjectRefData
 {
-    friend class wxObject;
+    friend class WXDLLIMPEXP_BASE wxObject;
 
 public:
     wxObjectRefData() : m_count(1) { }