volumewidget.cpp

#include "volumewidget.h"

#include <QLayout>
#include <QPushButton>
#include <QSlider>
#include <QLabel>
#include <QDebug>

#include "IManager.h"

CVolumeWidget::CVolumeWidget(const QString &sourceKey, QWidget *parent) :
    QWidget(parent),
    _sourceKey(sourceKey),
    _volume(.1)
{
    init();
}

CVolumeWidget::CVolumeWidget(const QString &sourceKey, qreal volume, QWidget *parent) :
    QWidget(parent),
    _sourceKey(sourceKey),
    _volume(volume)
{
    Q_UNUSED(volume);
    
    init();
}

void CVolumeWidget::init()
{
    _isMute = true;

    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->setSpacing(6);
    layout->setContentsMargins(0, 0, 0, 0);

    QPushButton *pbMute = new QPushButton(this);
    pbMute->setProperty("mute", "off");
    pbMute->setObjectName("pbMute");
    pbMute->setStyleSheet(QString("#pbMute { border-image: url(:/images/mute_off.png); background-color: transparent; max-width: 150px; max-height: 150px; margin-top: 0px; margin-left: 0px; margin-right: 0px;}"));

    connect(pbMute, SIGNAL(clicked()), SLOT(onPbMuteClicked()));
    layout->addWidget(pbMute);
    
    QVBoxLayout *verticalLayout = new QVBoxLayout();
    verticalLayout->setSpacing(0);
    lSliderName = new QLabel("Empty", this);
    lSliderName->setAlignment(Qt::AlignCenter);

    verticalLayout->addWidget(lSliderName);

    QString sliderStyle1 = "#volumeSlider::groove:horizontal { \
        border: 1px solid #999999; \
        height: 8px; /* the groove expands to the size of the slider by default. by giving it a height, it has a fixed size */ \
        background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #B1B1B1, stop:1 #c4c4c4); \
        margin: 2px 0;\
    }\
    \
    #volumeSlider::handle:horizontal {\
        background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4, stop:1 #8f8f8f);\
        border: 1px solid #5c5c5c;\
        width: 18px;\
        margin: -2px 0; /* handle is placed by default on the contents rect of the groove. Expand outside the groove */\
        border-radius: 3px;\
    }";

    QString sliderStyle2 = "#volumeSlider::groove:horizontal { \
        border: 0px solid rgb(152, 54, 29); \
        height: 8px; \
        background: qlineargradient(x1:1, y1:0, x2:0, y2:0, stop:0 rgba(152, 54, 29, 255), stop:1 rgba(254, 211, 59, 255)); \
        border: 1px solid rgb(254, 211, 59); \
        border-radius: 3px; \
        margin: 2px 0; \
    } \
    \
    #volumeSlider::::handle:horizontal { \
        background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 rgb(152, 54, 29), stop:1 rgb(254, 211, 59)); \
        border: 1px solid rgb(254, 211, 59); \
        width: 20px; \
        margin: -2px 0; \
        border-radius: 3px; \
    }";

        QString sliderStyle = "#volumeSlider::groove:horizontal { \
            border: 0px solid rgb(152, 54, 29); \
            height: 8px; \
            background: qlineargradient(x1:1, y1:0, x2:0, y2:0, stop:0 rgba(255, 0, 0, 255), stop:1 rgba(0, 255, 127, 255)); \
            border: 1px solid rgb(254, 211, 59); \
            border-radius: 3px; \
            margin: 2px 0; \
        }\
        \
        #volumeSlider::handle:horizontal {\
            background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4, stop:1 #8f8f8f);\
            border: 1px solid #5c5c5c;\
            width: 18px;\
            margin: -2px 0; /* handle is placed by default on the contents rect of the groove. Expand outside the groove */\
            border-radius: 3px;\
        }";

    QSlider *slider = new QSlider(this);
    slider->setObjectName("volumeSlider");
    slider->setStyleSheet(sliderStyle);
    slider->setOrientation(Qt::Horizontal);
    slider->setTickPosition(QSlider::TicksBothSides);
    slider->setTickInterval(1);
    slider->setMaximum(50);
    connect(slider, SIGNAL(valueChanged(int)), SLOT(onSliderValueChanged(int)));

    verticalLayout->addWidget(slider);
    layout->addLayout(verticalLayout);

    slider->setValue(_volume * 10);
}

void CVolumeWidget::onPbMuteClicked()
{
    if(QPushButton * pb = dynamic_cast<QPushButton *>(sender()))
    {
        if(pb->property("mute").toString().compare("off") == 0)
            pb->setProperty("mute", "on");
        else
            pb->setProperty("mute", "off");
        
        pb->setStyleSheet(QString("#pbMute { border-image: url(:/images/mute_%1.png); background-color: transparent; max-width: 150px; max-height: 150px; margin-top: 0px; margin-left: 0px; margin-right: 0px;}").arg(pb->property("mute").toString()));
        qDebug() << "mute: " << pb->property("mute").toString();
    }

}

void CVolumeWidget::onSliderValueChanged(int value)
{
    _volume = 0.1 * value;
    global_manager->setVolume(_sourceKey.toUtf8().data(), _volume);
    qDebug() << "Volume: " << _volume;
}

void CVolumeWidget::setText(const QString &text)
{
    lSliderName->setText(text);
}

void CVolumeWidget::setVolume(qreal volume)
{
    onSliderValueChanged(volume*10);
}

qreal CVolumeWidget::volume() const
{
    return _volume;
}

void CVolumeWidget::setMute(bool mute)
{
    _isMute = mute;
    global_manager->setVolume(_sourceKey.toUtf8().data(), _isMute?0:_volume);
}

bool CVolumeWidget::isMute() const
{
    return _isMute;
}