ghostwriter/src/TimeLabel.cpp at dev · jackcoolpython/ghostwriter · GitHub

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/***********************************************************************

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

***********************************************************************/

#include <QTime>

#include <QTimer>

#include <QString>

#include "TimeLabel.h"

TimeLabel::TimeLabel(QWidget* parent) :

QLabel(parent)

{

timer = new QTimer(this);

connect(timer, SIGNAL(timeout()), this, SLOT(updateTimeOfDay()));

this->updateTimeOfDay();

}

TimeLabel::~TimeLabel()

{

}

void TimeLabel::updateTimeOfDay()

{

QTime currentTime = QTime::currentTime();

this->setText(currentTime.toString(Qt::DefaultLocaleShortDate));

QTime nextTime = currentTime.addSecs(60);

nextTime.setHMS(nextTime.hour(), nextTime.minute(), 0);

// Set the timer as a single shot rather than a recurring 1000 ms

// interval, since we don't want the time to slowly drift away

// from being accurate due to small timer inaccuracies.

timer->setSingleShot(true);

int interval = currentTime.msecsTo(nextTime);

// Ensure interval is never negative.

if (interval <= 0)

{

interval = 1000;

}

timer->start(interval);

}

ghostwriter/src/TimeLabel.cpp at dev · jackcoolpython/ghostwriter · GitHub

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