da175b2ce4
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: dataobj.h
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// Purpose: common data object classes
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// Author: Robert Roebling, Vadim Zeitlin
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// Modified by:
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// Created: 26.05.99
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows Team
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DATAOBJ_H_BASE_
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#define _WX_DATAOBJ_H_BASE_
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#if defined(__WXMSW__)
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#include "wx/msw/ole/dataobj.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/dataobj.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk/dataobj.h"
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#elif defined(__WXQT__)
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#include "wx/qt/dnd.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/dnd.h"
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#elif defined(__WXSTUBS__)
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#include "wx/stubs/dnd.h"
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#endif
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// ---------------------------------------------------------------------------
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// wxPrivateDataObject is a specialization of wxDataObject for app specific
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// data (of some given kind, derive directly from wxDataObject if you wish to
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// efficiently support multiple formats)
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// ---------------------------------------------------------------------------
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class WXDLLEXPORT wxPrivateDataObject : public wxDataObject
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{
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#if defined(__WXGTK__) || defined(__WXMOTIF__)
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DECLARE_DYNAMIC_CLASS( wxPrivateDataObject )
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#endif
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public:
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wxPrivateDataObject();
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virtual ~wxPrivateDataObject() { Free(); }
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// get the format object - it is used to decide whether we support the
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// given output format or not
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wxDataFormat& GetFormat() { return m_format; }
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// set data. will make copy of the data
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void SetData( const void *data, size_t size );
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// returns pointer to data
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void *GetData() const { return m_data; }
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// get the size of the data
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virtual size_t GetSize() const;
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// copy data to the given buffer
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virtual void WriteData( void *dest ) const;
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// these functions are provided for wxGTK compatibility, their usage is
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// deprecated - use GetFormat().SetId() instead
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void SetId( const wxString& id ) { m_format.SetId(id); }
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wxString GetId() const { return m_format.GetId(); }
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// implement the base class pure virtuals
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virtual wxDataFormat GetPreferredFormat() const
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{ return m_format; }
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virtual bool IsSupportedFormat(wxDataFormat format) const
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{ return m_format == format; }
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virtual size_t GetDataSize() const
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{ return m_size; }
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virtual void GetDataHere(void *dest) const
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{ WriteData(dest); }
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// the function which really copies the data - called by WriteData() above
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// and uses GetSize() to get the size of the data
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void WriteData( const void *data, void *dest ) const;
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private:
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// free the data
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void Free();
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// the data
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size_t m_size;
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void *m_data;
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// the data format
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wxDataFormat m_format;
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};
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#endif
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// _WX_DATAOBJ_H_BASE_
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