Files
cantata/widgets/volumecontrol.cpp

92 lines
2.4 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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 2 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "volumecontrol.h"
#include "icon.h"
#include <QFrame>
#include <QSlider>
#include <QLabel>
#include <QVBoxLayout>
#include <QApplication>
VolumeControl::VolumeControl(QWidget *parent)
: QMenu(parent)
{
QFrame *w = new QFrame(this);
slider = new QSlider(w);
QLabel *increase = new QLabel(QLatin1String("+"), w);
QLabel *decrease = new QLabel(QLatin1String("-"), w);
increase->setAlignment(Qt::AlignHCenter);
decrease->setAlignment(Qt::AlignHCenter);
QVBoxLayout *l = new QVBoxLayout(w);
l->setMargin(3);
l->setSpacing(0);
l->addWidget(increase);
l->addWidget(slider);
l->addWidget(decrease);
QHBoxLayout *layout = new QHBoxLayout(this);
layout->setMargin(0);
layout->addWidget(w);
connect(slider, SIGNAL(valueChanged(int)), SIGNAL(valueChanged(int)));
int size=Icon::stdSize(QApplication::fontMetrics().height());
slider->setMinimumHeight(size*12);
slider->setMaximumHeight(size*12);
slider->setMinimumWidth(size*1.5);
slider->setMaximumWidth(size*1.5);
slider->setOrientation(Qt::Vertical);
slider->setMinimum(0);
slider->setMaximum(100);
slider->setPageStep(5);
adjustSize();
}
VolumeControl::~VolumeControl()
{
}
void VolumeControl::installSliderEventFilter(QObject *filter)
{
slider->installEventFilter(filter);
}
void VolumeControl::increaseVolume()
{
slider->triggerAction(QAbstractSlider::SliderPageStepAdd);
}
void VolumeControl::decreaseVolume()
{
slider->triggerAction(QAbstractSlider::SliderPageStepSub);
}
void VolumeControl::setValue(int v)
{
slider->setValue(v);
}