Files
inspectrum/spectrogramcontrols.cpp
2015-07-19 01:40:13 +01:00

34 lines
1.0 KiB
C++

#include "spectrogramcontrols.h"
#include <QLabel>
SpectrogramControls::SpectrogramControls(const QString & title, QWidget * parent)
: QDockWidget::QDockWidget(title, parent)
{
widget = new QWidget(this);
layout = new QFormLayout(widget);
fftSizeSlider = new QSlider(Qt::Horizontal, widget);
fftSizeSlider->setRange(7, 13);
fftSizeSlider->setValue(10);
layout->addRow(new QLabel(tr("FFT size:")), fftSizeSlider);
powerMaxSlider = new QSlider(Qt::Horizontal, widget);
powerMaxSlider->setRange(-60, 20);
powerMaxSlider->setValue(0);
layout->addRow(new QLabel(tr("Power max:")), powerMaxSlider);
powerRangeSlider = new QSlider(Qt::Horizontal, widget);
powerRangeSlider->setRange(0, 80);
powerRangeSlider->setValue(40);
layout->addRow(new QLabel(tr("Power range:")), powerRangeSlider);
widget->setLayout(layout);
setWidget(widget);
connect(fftSizeSlider, SIGNAL(valueChanged(int)), this, SLOT(fftSizeSliderChanged(int)));
}
void SpectrogramControls::fftSizeSliderChanged(int size)
{
emit fftSizeChanged((int)pow(2, size));
}