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#include "radio.h"

#include <QtGui>

Radio::Radio()

{

    radio = new QRadioTuner;

    connect(radio,SIGNAL(frequencyChanged(int)),this,SLOT(freqChanged(int)));

    connect(radio,SIGNAL(signalStrengthChanged(int)),this,SLOT(signalChanged(int)));

    if(radio->isBandSupported(QRadioTuner::FM))

        radio->setBand(QRadioTuner::FM);

    QWidget *window = new QWidget;

    QVBoxLayout* layout = new QVBoxLayout;

    QHBoxLayout* buttonBar = new QHBoxLayout;

#if defined Q_OS_SYMBIAN // this is so that we can see all buttons also in 3.1 devices, where the screens are smaller..

    QHBoxLayout* buttonBar2 = new QHBoxLayout;

#endif

    QHBoxLayout* topBar = new QHBoxLayout;

    layout->addLayout(topBar);

    freq = new QLabel;

    freq->setText(QString("%1 kHz").arg(radio->frequency()/1000));

    topBar->addWidget(freq);

    signal = new QLabel;

    topBar->addWidget(signal);

    volumeSlider = new QSlider(Qt::Vertical,this);

    volumeSlider->setRange(0,100);

#if defined Q_OS_SYMBIAN

    volumeSlider->setRange(0,10);

#endif

    volumeSlider->setValue(radio->volume());

    connect(volumeSlider,SIGNAL(valueChanged(int)),this,SLOT(updateVolume(int)));

    topBar->addWidget(volumeSlider);

    layout->addLayout(buttonBar);

#if defined Q_OS_SYMBIAN

    layout->addLayout(buttonBar2);

#endif

    searchLeft = new QPushButton;

    searchLeft->setText(tr("scan Down"));

    connect(searchLeft,SIGNAL(clicked()),SLOT(searchDown()));

    buttonBar->addWidget(searchLeft);

    left = new QPushButton;

    left->setText(tr("Freq Down"));

    connect(left,SIGNAL(clicked()),SLOT(freqDown()));

#if defined Q_OS_SYMBIAN

    buttonBar2->addWidget(left);

#else

    buttonBar->addWidget(left);

#endif

    right = new QPushButton;

    connect(right,SIGNAL(clicked()),SLOT(freqUp()));

    right->setText(tr("Freq Up"));

#if defined Q_OS_SYMBIAN

    buttonBar2->addWidget(right);

#else

    buttonBar->addWidget(right);

#endif

    searchRight = new QPushButton;

    searchRight->setText(tr("scan Up"));

    connect(searchRight,SIGNAL(clicked()),SLOT(searchUp()));

    buttonBar->addWidget(searchRight);

    window->setLayout(layout);

    setCentralWidget(window);

    window->show();

    radio->start();

}

Radio::~Radio()

{

}

void Radio::freqUp()

{

    int f = radio->frequency();

    f = f + radio->frequencyStep(QRadioTuner::FM);

    radio->setFrequency(f);

}

void Radio::freqDown()

{

    int f = radio->frequency();

    f = f - radio->frequencyStep(QRadioTuner::FM);

    radio->setFrequency(f);

}

void Radio::searchUp()

{

    radio->searchForward();

}

void Radio::searchDown()

{

    radio->searchBackward();

}

void Radio::freqChanged(int)

{

    freq->setText(QString("%1 kHz").arg(radio->frequency()/1000));

}

void Radio::signalChanged(int)

{

    if(radio->signalStrength() > 25)

        signal->setText(tr("Got Signal"));

    else

        signal->setText(tr("No Signal"));

}

void Radio::updateVolume(int v)

{

    radio->setVolume(v);

}