Added wxClipboard and wxDataObject (and friends) declarations and stubs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22351 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/dataobj2.h

@@ -0,0 +1,84 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/dataobj2.h
+// Purpose:     declaration of standard wxDataObjectSimple-derived classes
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef __WX_COCOA_DATAOBJ2_H__
+#define __WX_COCOA_DATAOBJ2_H__
+
+//=========================================================================
+// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
+//=========================================================================
+class wxBitmapDataObject : public wxBitmapDataObjectBase
+{
+public:
+    // ctors
+    wxBitmapDataObject();
+    wxBitmapDataObject(const wxBitmap& bitmap);
+
+    // destr
+    ~wxBitmapDataObject();
+
+    // override base class virtual to update PNG data too
+    virtual void SetBitmap(const wxBitmap& bitmap);
+
+    // implement base class pure virtuals
+    // ----------------------------------
+
+    virtual size_t GetDataSize() const { return m_pngSize; }
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+
+protected:
+    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
+    void Clear() { free(m_pngData); }
+    void ClearAll() { Clear(); Init(); }
+
+    size_t      m_pngSize;
+    void       *m_pngData;
+
+    void DoConvertToPng();
+
+private:
+    // virtual function hiding supression
+    size_t GetDataSize(const wxDataFormat& format) const
+        { return(wxDataObjectSimple::GetDataSize(format)); }
+    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
+    bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
+        { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
+};
+
+//=========================================================================
+// wxFileDataObject is a specialization of wxDataObject for file names
+//=========================================================================
+
+class wxFileDataObject : public wxFileDataObjectBase
+{
+public:
+    // implement base class pure virtuals
+    // ----------------------------------
+
+    void AddFile( const wxString &filename );
+
+    virtual size_t GetDataSize() const;
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+
+private:
+    // virtual function hiding supression
+    size_t GetDataSize(const wxDataFormat& format) const
+        { return(wxDataObjectSimple::GetDataSize(format)); }
+    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
+    bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
+        { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
+};
+
+#endif //__WX_COCOA_DATAOBJ2_H__