fltk_timer.cpp

来自「ncbi源码」· C++ 代码 · 共 140 行

/*
 * ===========================================================================
 * PRODUCTION $Log: fltk_timer.cpp,v $
 * PRODUCTION Revision 1000.0  2004/06/01 21:29:11  gouriano
 * PRODUCTION PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.2
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: fltk_timer.cpp,v 1000.0 2004/06/01 21:29:11 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:  Andrey Yazhuk
 *  
 */

//#include <corelib/ncbistd.hpp>
#include <ncbi_pch.hpp>
#include <gui/widgets/fl/fltk_timer.hpp>

#include <FL/Fl.H>


BEGIN_NCBI_SCOPE

CFLTKTimer::CFLTKTimer()
{
    Init(0, 1.0, NULL, false);
}
CFLTKTimer::CFLTKTimer(int id, double period, bool repeat, ITimerListener* listener)
{
    Init(id, period, repeat, listener);
}

void    CFLTKTimer::Init(int id, double period, bool repeat, ITimerListener* listener)
{
    m_ID = id;
    m_Period = period;
    m_Repeat = repeat;
    m_Running = false;
    m_Listener = listener;
}

CFLTKTimer::~CFLTKTimer()
{
    Stop();
}

void    CFLTKTimer::SetListener(ITimerListener* listener)
{
    m_Listener = listener;
}

void    CFLTKTimer::Start()
{
    if(!m_Running  &&  m_Listener)   {
        m_Running = true;
        void* data = reinterpret_cast<void*>(this);
        Fl::add_timeout(m_Period, x_OnTimeout, data);
    } else _ASSERT(false);
}

void    CFLTKTimer::StartOnce()
{
    m_Repeat = false;
    Start();
}

void    CFLTKTimer::Stop()
{
    if(m_Running)   {
        void* data = reinterpret_cast<void*>(this);
        Fl::remove_timeout(x_OnTimeout, data);
        m_Running = false;
    }
}

void    CFLTKTimer::ReStart()
{
    Stop();
    Start();
}

bool    CFLTKTimer::IsRunning()
{
    return m_Running;
}

void     CFLTKTimer::x_OnTimeout(void* data)
{
    CFLTKTimer* timer = reinterpret_cast<CFLTKTimer*>(data);
    timer->m_Listener->OnTimeout(timer->m_ID);

    if(timer->m_Repeat) {
        Fl::repeat_timeout(timer->m_Period, x_OnTimeout, data); //continue
    } else {
        timer->m_Running = false;
    }
}

END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: fltk_timer.cpp,v $
 * Revision 1000.0  2004/06/01 21:29:11  gouriano
 * PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.2
 *
 * Revision 1.2  2004/05/21 22:27:53  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.1  2004/05/03 19:44:24  yazhuk
 * Initial revision
 *
 * ===========================================================================
 */