NCBI C++ Toolkit Cross Reference


#ifndef GUI_WIDGETS_WX___CLIPBOARD__HPP #define GUI_WIDGETS_WX___CLIPBOARD__HPP /* $Id: clipboard.hpp 19821 2009-08-10 19:45:48Z voronov $ * =========================================================================== * * PUBLIC DOMAIN NOTICE * National Center for Biotechnology Information * * This software/database is a "United States Government Work" under the * terms of the United States Copyright Act. It was written as part of * the author's official duties as a United States Government employee and * thus cannot be copyrighted. This software/database is freely available * to the public for use. The National Library of Medicine and the U.S. * Government have not placed any restriction on its use or reproduction. * * Although all reasonable efforts have been taken to ensure the accuracy * and reliability of the software and data, the NLM and the U.S. * Government do not and cannot warrant the performance or results that * may be obtained by using this software or data. The NLM and the U.S. * Government disclaim all warranties, express or implied, including * warranties of performance, merchantability or fitness for any particular * purpose. * * Please cite the author in any work or product based on this material. * * =========================================================================== * * Authors: Andrey Yazhuk * * File Description: * Clipaboard and D&D helpers. */ #include <corelib/ncbistd.hpp> #include <corelib/ncbi_process.hpp> BEGIN_NCBI_SCOPE ///////////////////////////////////////////////////////////////////////////// /// TDataExchange - a simple class for use with wxDataObject. /// The class holds a Process ID and arbitrary data that can be copied across /// process boundaries. IsLocal() can be used to distinguish local data from /// the data beloning to another process. /// Objects created on heap are generally cannot be safely passed across /// process boundaries. template <class T> class TDataExchange { public: void Init(T& t) { m_Pid = CProcess::GetCurrentPid(); m_Data = t; } bool IsLocal() const { TPid pid = CProcess::GetCurrentPid(); return pid == m_Pid; } T& GetData() { return m_Data; } protected: TPid m_Pid; T m_Data; }; END_NCBI_SCOPE #endif //GUI_WIDGETS_WX___CLIPBOARD__HPP

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