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/*
* Copyright (C) 2015, Mike Walters <mike@flomp.net>
*
* This file is part of inspectrum.
*
* 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 3 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include "spectrogramcontrols.h"
#include <QIntValidator>
#include <QFileDialog>
#include <QLabel>
#include <cmath>
SpectrogramControls::SpectrogramControls(const QString & title, QWidget * parent)
: QDockWidget::QDockWidget(title, parent)
{
widget = new QWidget(this);
layout = new QFormLayout(widget);
fileOpenButton = new QPushButton("Open file...", widget);
layout->addRow(fileOpenButton);
sampleRate = new QLineEdit("8000000");
sampleRate->setValidator(new QIntValidator(this));
layout->addRow(new QLabel(tr("Sample rate:")), sampleRate);
fftSizeSlider = new QSlider(Qt::Horizontal, widget);
fftSizeSlider->setRange(7, 13);
fftSizeSlider->setValue(10);
layout->addRow(new QLabel(tr("FFT size:")), fftSizeSlider);
zoomLevelSlider = new QSlider(Qt::Horizontal, widget);
zoomLevelSlider->setRange(0, 5);
zoomLevelSlider->setValue(0);
layout->addRow(new QLabel(tr("Zoom:")), zoomLevelSlider);
powerMaxSlider = new QSlider(Qt::Horizontal, widget);
powerMaxSlider->setRange(-100, 20);
powerMaxSlider->setValue(0);
layout->addRow(new QLabel(tr("Power max:")), powerMaxSlider);
powerMinSlider = new QSlider(Qt::Horizontal, widget);
powerMinSlider->setRange(-100, 20);
powerMinSlider->setValue(-50);
layout->addRow(new QLabel(tr("Power min:")), powerMinSlider);
widget->setLayout(layout);
setWidget(widget);
connect(fftSizeSlider, SIGNAL(valueChanged(int)), this, SLOT(fftSizeSliderChanged(int)));
connect(fileOpenButton, SIGNAL(clicked()), this, SLOT(fileOpenButtonClicked()));
}
void SpectrogramControls::fftSizeSliderChanged(int size)
{
emit fftSizeChanged((int)pow(2, size));
}
void SpectrogramControls::fileOpenButtonClicked()
{
QString fileName = QFileDialog::getOpenFileName(
this, tr("Open File"), "", tr("Sample file (*.cfile *.bin);;All files (*)")
);
emit openFile(fileName);
}
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