mirror of
https://github.com/miek/inspectrum.git
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119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
/*
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* Copyright (C) 2015, Mike Walters <mike@flomp.net>
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*
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* This file is part of inspectrum.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QMessageBox>
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#include <QtWidgets>
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#include <QPixmapCache>
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#include <QRubberBand>
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#include <sstream>
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#include "mainwindow.h"
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#include "util.h"
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MainWindow::MainWindow()
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{
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setWindowTitle(tr("inspectrum"));
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QPixmapCache::setCacheLimit(40960);
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dock = new SpectrogramControls(tr("Controls"), this);
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dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
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addDockWidget(Qt::LeftDockWidgetArea, dock);
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input = new InputSource();
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plots = new PlotView(input);
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setCentralWidget(plots);
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// Connect dock inputs
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connect(dock, &SpectrogramControls::openFile, this, &MainWindow::openFile);
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connect(dock->sampleRate, static_cast<void (QLineEdit::*)(const QString&)>(&QLineEdit::textChanged), this, static_cast<void (MainWindow::*)(QString)>(&MainWindow::setSampleRate));
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connect(dock, static_cast<void (SpectrogramControls::*)(int, int)>(&SpectrogramControls::fftOrZoomChanged), plots, &PlotView::setFFTAndZoom);
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connect(dock->powerMaxSlider, &QSlider::valueChanged, plots, &PlotView::setPowerMax);
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connect(dock->powerMinSlider, &QSlider::valueChanged, plots, &PlotView::setPowerMin);
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connect(dock->cursorsCheckBox, &QCheckBox::stateChanged, plots, &PlotView::enableCursors);
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connect(dock->scalesCheckBox, &QCheckBox::stateChanged, plots, &PlotView::enableScales);
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connect(dock->cursorSymbolsSpinBox, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), plots, &PlotView::setCursorSegments);
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// Connect dock outputs
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connect(plots, &PlotView::timeSelectionChanged, dock, &SpectrogramControls::timeSelectionChanged);
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connect(plots, &PlotView::zoomIn, dock, &SpectrogramControls::zoomIn);
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connect(plots, &PlotView::zoomOut, dock, &SpectrogramControls::zoomOut);
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// Set defaults after making connections so everything is in sync
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dock->setDefaults();
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}
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void MainWindow::openFile(QString fileName)
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{
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QString title="%1: %2";
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this->setWindowTitle(title.arg(QApplication::applicationName(),fileName.section('/',-1,-1)));
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// Try to parse osmocom_fft filenames and extract the sample rate and center frequency.
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// Example file name: "name-f2.411200e+09-s5.000000e+06-t20160807180210.cfile"
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QRegExp rx("(.*)-f(.*)-s(.*)-.*\\.cfile");
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QString basename = fileName.section('/',-1,-1);
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if (rx.exactMatch(basename)) {
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QString centerfreq = rx.cap(2);
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QString samplerate = rx.cap(3);
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std::stringstream ss(samplerate.toUtf8().constData());
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// Needs to be a double as the number is in scientific format
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double rate;
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ss >> rate;
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if (!ss.fail()) {
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setSampleRate(rate);
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}
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}
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try
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{
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input->openFile(fileName.toUtf8().constData());
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}
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catch (const std::exception &ex)
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{
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QMessageBox msgBox(QMessageBox::Critical, "Inspectrum openFile error", QString("%1: %2").arg(fileName).arg(ex.what()));
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msgBox.exec();
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}
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}
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void MainWindow::setSampleRate(QString rate)
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{
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auto sampleRate = rate.toDouble();
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input->setSampleRate(sampleRate);
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plots->setSampleRate(sampleRate);
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// Save the sample rate in settings as we're likely to be opening the same file across multiple runs
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QSettings settings;
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settings.setValue("SampleRate", sampleRate);
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}
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void MainWindow::setSampleRate(double rate)
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{
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dock->sampleRate->setText(QString::number(rate));
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}
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void MainWindow::setFormat(QString fmt)
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{
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input->setFormat(fmt.toUtf8().constData());
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}
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