clipboard.cpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: clipboard.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 21:04:44  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.8
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: clipboard.cpp,v 1000.1 2004/06/01 21:04:44 gouriano Exp $
 * ===========================================================================
 *
 *                            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:  Mike DiCuccio
 *
 * File Description:
 *
 */

#include <ncbi_pch.hpp>
#include <gui/utils/clipboard.hpp>
#include <FL/Fl.H>
#include <corelib/ncbimtx.hpp>

BEGIN_NCBI_SCOPE


// the current text
string CClipboard::sm_Text;

DEFINE_CLASS_STATIC_MUTEX(CClipboard::sm_ClipboardMutex);


void CClipboard::Add(const string& text)
{
    CMutexGuard LOCK(sm_ClipboardMutex);
    sm_Text.append(text);
}


void CClipboard::Clear()
{
    CMutexGuard LOCK(sm_ClipboardMutex);
    sm_Text.erase();
}


void CClipboard::Copy()
{
    CMutexGuard LOCK(sm_ClipboardMutex);
    Fl::copy(sm_Text.c_str(), sm_Text.length(), 1);
}


void CClipboard::Paste(string* text)
{
    if (text) {
        const char* p = Fl::event_text();
        size_t len = Fl::event_length();
        if (p  &&  len) {
            *text = string(p, len);
        } else {
            *text = sm_Text;
        }
    }
}


END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: clipboard.cpp,v $
 * Revision 1000.1  2004/06/01 21:04:44  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.8
 *
 * Revision 1.8  2004/05/25 17:23:36  dicuccio
 * Trap system paste if available
 *
 * Revision 1.7  2004/05/21 22:27:50  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.6  2004/05/07 15:38:23  dicuccio
 * Added new text-only clipboard class
 *
 * ===========================================================================
 */