mirror of
git://git.savannah.nongnu.org/eliot.git
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164 lines
3.6 KiB
C++
164 lines
3.6 KiB
C++
/*****************************************************************************
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* Eliot
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* Copyright (C) 2012 Olivier Teulière
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* Authors: Olivier Teulière <ipkiss @@ gmail.com>
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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
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* GNU 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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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#include <QtCore/QTimer>
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#include <QtGui/QMouseEvent>
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#include "timer_widget.h"
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INIT_LOGGER(qt, TimerWidget);
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TimerWidget::TimerWidget(QWidget *parent, int iTotalDuration, int iAlertDuration)
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: QLCDNumber(parent)
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{
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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m_timer = new QTimer(this);
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setTotalDuration(iTotalDuration);
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setAlertDuration(iAlertDuration);
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m_remaining = m_totalDuration;
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QObject::connect(m_timer, SIGNAL(timeout()), this, SLOT(updateTime()));
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QObject::connect(this, SIGNAL(alert(int)), this, SLOT(alertTriggered()));
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}
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void TimerWidget::startTimer()
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{
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// Timeout every second
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m_timer->start(1000);
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}
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void TimerWidget::resetTimer()
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{
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m_timer->stop();
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displayTime(m_totalDuration);
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m_remaining = m_totalDuration;
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// Restore the default color
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QPalette pal = palette();
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pal.setColor(QPalette::Foreground, Qt::black);
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setPalette(pal);
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}
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void TimerWidget::alertTriggered()
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{
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QPalette pal = palette();
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pal.setColor(QPalette::Foreground, Qt::red);
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setPalette(pal);
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}
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void TimerWidget::setTotalDuration(int iSeconds)
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{
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m_totalDuration = iSeconds;
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if (m_totalDuration < 0)
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m_totalDuration = 0;
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// Make sure we don't exceed the digit count
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int minutesLength = QString("%1").arg(m_totalDuration / 60).length();
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setDigitCount(minutesLength + 3);
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if (!m_timer->isActive())
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{
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displayTime(m_totalDuration);
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}
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}
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void TimerWidget::setAlertDuration(int iSeconds)
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{
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m_alertDuration = iSeconds;
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}
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void TimerWidget::updateTime()
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{
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--m_remaining;
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displayTime(m_remaining);
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if (m_remaining <= 0)
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{
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// We reached the end of the countdown
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m_timer->stop();
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emit expired();
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return;
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}
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if (m_remaining == m_alertDuration)
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{
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emit alert(m_remaining);
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}
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}
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void TimerWidget::displayTime(int iSeconds)
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{
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display(QString("%1:%2")
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.arg(iSeconds / 60, 2)
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.arg(iSeconds % 60, 2, 10, QChar('0')));
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}
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void TimerWidget::mousePressEvent(QMouseEvent *iEvent)
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{
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if (iEvent->button() == Qt::LeftButton)
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{
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if (m_timer->isActive())
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{
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// Pause execution
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m_timer->stop();
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}
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else if (m_remaining > 0)
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{
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// Resume execution
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startTimer();
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}
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else
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{
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// Restart timer
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resetTimer();
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startTimer();
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}
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}
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else if (iEvent->button() == Qt::RightButton)
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{
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resetTimer();
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}
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}
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void TimerWidget::mouseDoubleClickEvent(QMouseEvent*)
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{
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resetTimer();
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startTimer();
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}
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QSize TimerWidget::sizeHint() const
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{
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return QSize(340, 170);
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}
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