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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 <QMessageBox>
#include <QtWidgets>
#include <QPixmapCache>
#include <QRubberBand>
#include <sstream>
#include "mainwindow.h"
#include "util.h"
MainWindow::MainWindow()
{
setWindowTitle(tr("inspectrum"));
QPixmapCache::setCacheLimit(40960);
dock = new SpectrogramControls(tr("Controls"), this);
dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
addDockWidget(Qt::LeftDockWidgetArea, dock);
input = new InputSource();
plots = new PlotView(input);
setCentralWidget(plots);
// Connect dock inputs
connect(dock, &SpectrogramControls::openFile, this, &MainWindow::openFile);
connect(dock->sampleRate, static_cast<void (QLineEdit::*)(const QString&)>(&QLineEdit::textChanged), this, static_cast<void (MainWindow::*)(QString)>(&MainWindow::setSampleRate));
connect(dock, static_cast<void (SpectrogramControls::*)(int, int)>(&SpectrogramControls::fftOrZoomChanged), plots, &PlotView::setFFTAndZoom);
connect(dock->powerMaxSlider, &QSlider::valueChanged, plots, &PlotView::setPowerMax);
connect(dock->powerMinSlider, &QSlider::valueChanged, plots, &PlotView::setPowerMin);
connect(dock->cursorsCheckBox, &QCheckBox::stateChanged, plots, &PlotView::enableCursors);
connect(dock->scalesCheckBox, &QCheckBox::stateChanged, plots, &PlotView::enableScales);
connect(dock->cursorSymbolsSpinBox, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), plots, &PlotView::setCursorSegments);
// Connect dock outputs
connect(plots, &PlotView::timeSelectionChanged, dock, &SpectrogramControls::timeSelectionChanged);
connect(plots, &PlotView::zoomIn, dock, &SpectrogramControls::zoomIn);
connect(plots, &PlotView::zoomOut, dock, &SpectrogramControls::zoomOut);
// Set defaults after making connections so everything is in sync
dock->setDefaults();
}
void MainWindow::openFile(QString fileName)
{
QString title="%1: %2";
this->setWindowTitle(title.arg(QApplication::applicationName(),fileName.section('/',-1,-1)));
// Try to parse osmocom_fft filenames and extract the sample rate and center frequency.
// Example file name: "name-f2.411200e+09-s5.000000e+06-t20160807180210.cfile"
QRegExp rx("(.*)-f(.*)-s(.*)-.*\\.cfile");
QString basename = fileName.section('/',-1,-1);
if (rx.exactMatch(basename)) {
QString centerfreq = rx.cap(2);
QString samplerate = rx.cap(3);
std::stringstream ss(samplerate.toUtf8().constData());
// Needs to be a double as the number is in scientific format
double rate;
ss >> rate;
if (!ss.fail()) {
setSampleRate(rate);
}
}
try
{
input->openFile(fileName.toUtf8().constData());
}
catch (const std::exception &ex)
{
QMessageBox msgBox(QMessageBox::Critical, "Inspectrum openFile error", QString("%1: %2").arg(fileName).arg(ex.what()));
msgBox.exec();
}
}
void MainWindow::setSampleRate(QString rate)
{
auto sampleRate = rate.toDouble();
input->setSampleRate(sampleRate);
plots->setSampleRate(sampleRate);
// Save the sample rate in settings as we're likely to be opening the same file across multiple runs
QSettings settings;
settings.setValue("SampleRate", sampleRate);
}
void MainWindow::setSampleRate(double rate)
{
dock->sampleRate->setText(QString::number(rate));
}
void MainWindow::setFormat(QString fmt)
{
input->setFormat(fmt.toUtf8().constData());
}
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