check for self-assignment in operator=

[wxWidgets.git] / include / wx / gtk / dataobj2.h

diff --git a/include/wx/gtk/dataobj2.h b/include/wx/gtk/dataobj2.h
index fee8e27832848a3df3a709adb41e8e1abf022c17..50f177cf654ea8aa657c89e2e91cd3ab46ac0ad5 100644 (file)
--- a/include/wx/gtk/dataobj2.h
+++ b/include/wx/gtk/dataobj2.h
@@ -5,21 +5,17 @@
 // Created:     19.10.99 (extracted from gtk/dataobj.h)
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_GTK_DATAOBJ2_H_
 #define _WX_GTK_DATAOBJ2_H_
 
-#ifdef __GNUG__
-    #pragma interface "dataobj.h"
-#endif
-
 // ----------------------------------------------------------------------------
 // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
 // ----------------------------------------------------------------------------
 
-class wxBitmapDataObject : public wxBitmapDataObjectBase
+class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
 {
 public:
     // ctors
@@ -27,7 +23,7 @@ public:
     wxBitmapDataObject(const wxBitmap& bitmap);
 
     // destr
-    ~wxBitmapDataObject();
+    virtual ~wxBitmapDataObject();
 
     // override base class virtual to update PNG data too
     virtual void SetBitmap(const wxBitmap& bitmap);
@@ -38,6 +34,19 @@ public:
     virtual size_t GetDataSize() const { return m_pngSize; }
     virtual bool GetDataHere(void *buf) const;
     virtual bool SetData(size_t len, const void *buf);
+    // Must provide overloads to avoid hiding them (and warnings about it)
+    virtual size_t GetDataSize(const wxDataFormat&) const
+    {
+        return GetDataSize();
+    }
+    virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+    {
+        return GetDataHere(buf);
+    }
+    virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+    {
+        return SetData(len, buf);
+    }
 
 protected:
     void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
@@ -54,7 +63,7 @@ protected:
 // wxFileDataObject is a specialization of wxDataObject for file names
 // ----------------------------------------------------------------------------
 
-class wxFileDataObject : public wxFileDataObjectBase
+class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase
 {
 public:
     // implement base class pure virtuals
@@ -65,6 +74,19 @@ public:
     virtual size_t GetDataSize() const;
     virtual bool GetDataHere(void *buf) const;
     virtual bool SetData(size_t len, const void *buf);
+    // Must provide overloads to avoid hiding them (and warnings about it)
+    virtual size_t GetDataSize(const wxDataFormat&) const
+    {
+        return GetDataSize();
+    }
+    virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+    {
+        return GetDataHere(buf);
+    }
+    virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+    {
+        return SetData(len, buf);
+    }
 };
 
 #endif // _WX_GTK_DATAOBJ2_H_