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/clipbrd.h

@@ -0,0 +1,52 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/clipboard.h
+// Purpose:     wxClipboard
+// 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_CLIPBRD_H__
+#define __WX_COCOA_CLIPBRD_H__
+
+#include "wx/dataobj.h"
+
+//=========================================================================
+// wxClipboard
+//=========================================================================
+class wxClipboard : public wxClipboardBase
+{
+    DECLARE_DYNAMIC_CLASS(wxClipboard)
+public:
+    wxClipboard();
+    ~wxClipboard();
+
+    // open the clipboard before SetData() and GetData()
+    virtual bool Open();
+
+    // close the clipboard after SetData() and GetData()
+    virtual void Close();
+
+    // query whether the clipboard is opened
+    virtual bool IsOpened() const;
+
+    // set the clipboard data. all other formats will be deleted.
+    virtual bool SetData( wxDataObject *data );
+
+    // add to the clipboard data.
+    virtual bool AddData( wxDataObject *data );
+
+    // ask if data in correct format is available
+    virtual bool IsSupported( const wxDataFormat& format );
+
+    // fill data with data on the clipboard (if available)
+    virtual bool GetData( wxDataObject& data );
+
+    // clears wxTheClipboard and the system's clipboard if possible
+    virtual void Clear();
+};
+
+#endif //__WX_COCOA_CLIPBRD_H__