65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "timeslider.h"
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#include <QtCore/QTimer>
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TimeSlider::TimeSlider(QWidget *p)
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: QSlider(p)
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, timer(0)
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, lastVal(0)
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{
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}
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void TimeSlider::startTimer()
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{
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if (!timer) {
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timer=new QTimer(this);
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timer->setInterval(1000);
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connect(timer, SIGNAL(timeout()), this, SLOT(updatePos()));
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}
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startTime.restart();
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lastVal=value();
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timer->start();
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}
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void TimeSlider::stopTimer()
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{
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if (timer) {
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timer->stop();
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}
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}
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void TimeSlider::setValue(int v)
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{
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startTime.restart();
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lastVal=v;
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QSlider::setValue(v);
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}
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void TimeSlider::updatePos()
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{
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int elapsed=(startTime.elapsed()/1000.0)+0.5;
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QSlider::setValue(lastVal+elapsed);
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}
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