Added a wxDD_NEW_DIR_BUTTON style for wxDirDialog (currently,

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

diff --git a/include/wx/object.h b/include/wx/object.h
index 3384b88562ad541255d33dc8acc17d0b321e0250..d0eb3167f39d64421d6d80f8a7e990a151a3af58 100644 (file)
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -56,11 +56,11 @@ typedef wxObject *(*wxObjectConstructorFn)(void);
 class WXDLLEXPORT wxClassInfo
 {
 public:
-    wxClassInfo::wxClassInfo(const wxChar *className,
-                             const wxChar *baseName1,
-                             const wxChar *baseName2,
-                             int size,
-                             wxObjectConstructorFn ctor)
+    wxClassInfo( const wxChar *className,
+                 const wxChar *baseName1,
+                 const wxChar *baseName2,
+                 int size,
+                 wxObjectConstructorFn ctor )
         : m_className(className)
         , m_baseClassName1(baseName1)
         , m_baseClassName2(baseName2)
@@ -84,7 +84,7 @@ public:
     static const wxClassInfo  *GetFirst() { return sm_first; }
     const wxClassInfo         *GetNext() const { return m_next; }
     static wxClassInfo        *FindClass(const wxChar *className);
-    
+
         // Climb upwards through inheritance hierarchy.
         // Dual inheritance is catered for.
 
@@ -122,12 +122,17 @@ public:
     static wxClassInfo      *sm_first;
     wxClassInfo             *m_next;
 
+    // FIXME: this should be private (currently used directly by way too
+    //        many clients)
     static wxHashTable      *sm_classTable;
+
+private:
+    // InitializeClasses() helper
+    static wxClassInfo *GetBaseByName(const wxChar *name);
 };
 
 WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name);
 
-
 // ----------------------------------------------------------------------------
 // Dynamic class macros
 // ----------------------------------------------------------------------------
@@ -195,32 +200,25 @@ WXDLLEXPORT wxObject *wxCreateDynamicObject(const wxChar *name);
 
 #if wxUSE_NESTED_CLASSES
 
-#if 0
-#define _DECLARE_DL_SENTINEL(name)         \
- wxPluginSentinel m_pluginsentinel;
-
-#else
-
-#define _DECLARE_DL_SENTINEL(name)          \
-class  name##PluginSentinel {               \
-private:                                    \
-    static const wxString sm_className;     \
-public:                                     \
-    name##PluginSentinel();                 \
-    ~##name##PluginSentinel();              \
-};                                          \
+#define _DECLARE_DL_SENTINEL(name, exportdecl)  \
+class exportdecl name##PluginSentinel {         \
+private:                                        \
+    static const wxString sm_className;         \
+public:                                         \
+    name##PluginSentinel();                     \
+    ~name##PluginSentinel();                    \
+};                                              \
 name##PluginSentinel  m_pluginsentinel;
-#endif
 
 #define _IMPLEMENT_DL_SENTINEL(name)                                \
  const wxString name::name##PluginSentinel::sm_className(#name);    \
  name::name##PluginSentinel::name##PluginSentinel() {               \
-    wxDLManifestEntry *e = (wxDLManifestEntry*) wxDLManifestEntry::ms_classes.Get(#name);   \
-    if( e != 0 ) { e->Ref(); }                                      \
+    wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
+    if( e != 0 ) { e->RefObj(); }                                      \
  }                                                                  \
- name::name##PluginSentinel::~##name##PluginSentinel() {            \
-    wxDLManifestEntry *e = (wxDLManifestEntry*) wxDLManifestEntry::ms_classes.Get(#name);   \
-    if( e != 0 ) { wxCHECK_RET( !e->Unref(), _T("premature library unlinking") ); }         \
+ name::name##PluginSentinel::~name##PluginSentinel() {            \
+    wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
+    if( e != 0 ) { e->UnrefObj(); }                                 \
  }
 #else
 
@@ -230,21 +228,33 @@ name##PluginSentinel  m_pluginsentinel;
 #endif  // wxUSE_NESTED_CLASSES
 
 #define DECLARE_PLUGGABLE_CLASS(name) \
- DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name)
-
+ DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 #define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)  \
- DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name)
+ DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
+
+#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
+ DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
+#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)  \
+ DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 
 #define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \
  IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 #define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
  IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
-
 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
  IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
  IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 
+#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
+ IMPLEMENT_PLUGGABLE_CLASS(name, basename)
+#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)  \
+ IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
+#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
+ IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
+#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
+ IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
+
 
 #define CLASSINFO(name) (&name::sm_class##name)
 
@@ -269,6 +279,13 @@ name##PluginSentinel  m_pluginsentinel;
 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
 
+#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo)
+#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)
+#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename)
+#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)
+#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename)
+#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
+
 #endif // wxUSE_DYNAMIC_CLASSES
 
 
@@ -370,18 +387,33 @@ public:
     virtual void Dump(wxSTD ostream& str);
 #endif
 
-        // make a 'clone' of the object
-  
+    // ref counted data handling methods
+
+    // get/set
+    wxObjectRefData *GetRefData() const { return m_refData; }
+    void SetRefData(wxObjectRefData *data) { m_refData = data; }
+
+    // make a 'clone' of the object
     void Ref(const wxObject& clone);
 
-        // destroy a reference
-  
+    // destroy a reference
     void UnRef();
 
-    inline wxObjectRefData *GetRefData() const { return m_refData; }
-    inline void SetRefData(wxObjectRefData *data) { m_refData = data; }
-
 protected:
+    // ensure that our data is not shared with anybody else: if we have no
+    // data, it is created using CreateRefData() below, if we have shared data
+    // it is copied using CloneRefData(), otherwise nothing is done
+    void AllocExclusive();
+
+    // both methods must be implemented if Unshare() is used, not pure virtual
+    // only because of the backwards compatibility reasons
+
+    // create a new m_refData
+    virtual wxObjectRefData *CreateRefData() const;
+
+    // create a new m_refData initialized with the given one
+    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+
     wxObjectRefData *m_refData;
 };