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#include "qvfbratedlg.h"

#include <QLayout>

#include <QLabel>

#include <qslider.h>

#include <QPushButton>

QT_BEGIN_NAMESPACE

QVFbRateDialog::QVFbRateDialog(int rate, QWidget *parent)

    : QDialog(parent)

{

    oldRate = rate;

    QVBoxLayout *tl = new QVBoxLayout(this);

    tl->setMargin(5);

    QLabel *label = new QLabel("Target frame rate:", this);

    tl->addWidget(label);

    QHBoxLayout *hl = new QHBoxLayout();

    tl->addItem(hl);

    rateSlider = new QSlider(Qt::Horizontal);

    rateSlider->setMinimum(1);

    rateSlider->setMaximum(100);

    rateSlider->setPageStep(10);

    rateSlider->setValue(rate);

    hl->addWidget(rateSlider);

    connect(rateSlider, SIGNAL(valueChanged(int)), this, SLOT(rateChanged(int)));

    rateLabel = new QLabel(QString("%1fps").arg(rate), this);

    hl->addWidget(rateLabel);

    hl = new QHBoxLayout();

    tl->addItem(hl);

    QPushButton *pb = new QPushButton("OK", this);

    connect(pb, SIGNAL(clicked()), this, SLOT(ok()));

    hl->addWidget(pb);

    pb = new QPushButton("Cancel", this);

    connect(pb, SIGNAL(clicked()), this, SLOT(cancel()));

    hl->addWidget(pb);

}

void QVFbRateDialog::rateChanged(int r)

{

    if (rateSlider->value() != r)

	rateSlider->setValue(r);

    rateLabel->setText(QString("%1fps").arg(r));

    emit updateRate(r);

}

void QVFbRateDialog::cancel()

{

    rateChanged(oldRate);

    reject();

}

void QVFbRateDialog::ok()

{

    oldRate = rateSlider->value();

    accept();

}

QT_END_NAMESPACE