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58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
#include "spectrogramcontrols.h"
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#include <QIntValidator>
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#include <QFileDialog>
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#include <QLabel>
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#include <cmath>
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SpectrogramControls::SpectrogramControls(const QString & title, QWidget * parent)
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: QDockWidget::QDockWidget(title, parent)
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{
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widget = new QWidget(this);
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layout = new QFormLayout(widget);
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fileOpenButton = new QPushButton("Open file...", widget);
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layout->addRow(fileOpenButton);
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sampleRate = new QLineEdit("8000000");
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sampleRate->setValidator(new QIntValidator(this));
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layout->addRow(new QLabel(tr("Sample rate:")), sampleRate);
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fftSizeSlider = new QSlider(Qt::Horizontal, widget);
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fftSizeSlider->setRange(7, 13);
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fftSizeSlider->setValue(10);
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layout->addRow(new QLabel(tr("FFT size:")), fftSizeSlider);
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zoomLevelSlider = new QSlider(Qt::Horizontal, widget);
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zoomLevelSlider->setRange(0, 5);
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zoomLevelSlider->setValue(0);
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layout->addRow(new QLabel(tr("Zoom:")), zoomLevelSlider);
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powerMaxSlider = new QSlider(Qt::Horizontal, widget);
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powerMaxSlider->setRange(-100, 20);
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powerMaxSlider->setValue(0);
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layout->addRow(new QLabel(tr("Power max:")), powerMaxSlider);
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powerMinSlider = new QSlider(Qt::Horizontal, widget);
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powerMinSlider->setRange(-100, 20);
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powerMinSlider->setValue(-50);
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layout->addRow(new QLabel(tr("Power min:")), powerMinSlider);
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widget->setLayout(layout);
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setWidget(widget);
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connect(fftSizeSlider, SIGNAL(valueChanged(int)), this, SLOT(fftSizeSliderChanged(int)));
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connect(fileOpenButton, SIGNAL(clicked()), this, SLOT(fileOpenButtonClicked()));
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}
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void SpectrogramControls::fftSizeSliderChanged(int size)
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{
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emit fftSizeChanged((int)pow(2, size));
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}
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void SpectrogramControls::fileOpenButtonClicked()
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{
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QString fileName = QFileDialog::getOpenFileName(
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this, tr("Open File"), "", tr("Sample file (*.cfile *.bin);;All files (*)")
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);
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emit openFile(fileName);
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} |