/*
 * Cantata
 *
 * Copyright (c) 2011-2012 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 <QtGui/QFrame>
#include <QtGui/QSlider>
#include <QtGui/QLabel>
#include <QtGui/QVBoxLayout>
#include <QtGui/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);
}