1 /*
2 * Copyright (C) 2015, Mike Walters <mike@flomp.net>
3 *
4 * This file is part of inspectrum.
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <QMessageBox>
21 #include <QtWidgets>
22 #include <QPixmapCache>
23 #include <QRubberBand>
24 #include <sstream>
25
26 #include "mainwindow.h"
27 #include "util.h"
28
MainWindow()29 MainWindow::MainWindow()
30 {
31 setWindowTitle(tr("inspectrum"));
32
33 QPixmapCache::setCacheLimit(40960);
34
35 dock = new SpectrogramControls(tr("Controls"), this);
36 dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
37 addDockWidget(Qt::LeftDockWidgetArea, dock);
38
39 input = new InputSource();
40
41 plots = new PlotView(input);
42 setCentralWidget(plots);
43
44 // Connect dock inputs
45 connect(dock, &SpectrogramControls::openFile, this, &MainWindow::openFile);
46 connect(dock->sampleRate, static_cast<void (QLineEdit::*)(const QString&)>(&QLineEdit::textChanged), this, static_cast<void (MainWindow::*)(QString)>(&MainWindow::setSampleRate));
47 connect(dock, static_cast<void (SpectrogramControls::*)(int, int)>(&SpectrogramControls::fftOrZoomChanged), plots, &PlotView::setFFTAndZoom);
48 connect(dock->powerMaxSlider, &QSlider::valueChanged, plots, &PlotView::setPowerMax);
49 connect(dock->powerMinSlider, &QSlider::valueChanged, plots, &PlotView::setPowerMin);
50 connect(dock->cursorsCheckBox, &QCheckBox::stateChanged, plots, &PlotView::enableCursors);
51 connect(dock->scalesCheckBox, &QCheckBox::stateChanged, plots, &PlotView::enableScales);
52 connect(dock->cursorSymbolsSpinBox, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), plots, &PlotView::setCursorSegments);
53
54 // Connect dock outputs
55 connect(plots, &PlotView::timeSelectionChanged, dock, &SpectrogramControls::timeSelectionChanged);
56 connect(plots, &PlotView::zoomIn, dock, &SpectrogramControls::zoomIn);
57 connect(plots, &PlotView::zoomOut, dock, &SpectrogramControls::zoomOut);
58
59 // Set defaults after making connections so everything is in sync
60 dock->setDefaults();
61
62 }
63
openFile(QString fileName)64 void MainWindow::openFile(QString fileName)
65 {
66 QString title="%1: %2";
67 this->setWindowTitle(title.arg(QApplication::applicationName(),fileName.section('/',-1,-1)));
68
69 // Try to parse osmocom_fft filenames and extract the sample rate and center frequency.
70 // Example file name: "name-f2.411200e+09-s5.000000e+06-t20160807180210.cfile"
71 QRegExp rx("(.*)-f(.*)-s(.*)-.*\\.cfile");
72 QString basename = fileName.section('/',-1,-1);
73
74 if (rx.exactMatch(basename)) {
75 QString centerfreq = rx.cap(2);
76 QString samplerate = rx.cap(3);
77
78 std::stringstream ss(samplerate.toUtf8().constData());
79
80 // Needs to be a double as the number is in scientific format
81 double rate;
82 ss >> rate;
83 if (!ss.fail()) {
84 setSampleRate(rate);
85 }
86 }
87
88 try
89 {
90 input->openFile(fileName.toUtf8().constData());
91 }
92 catch (const std::exception &ex)
93 {
94 QMessageBox msgBox(QMessageBox::Critical, "Inspectrum openFile error", QString("%1: %2").arg(fileName).arg(ex.what()));
95 msgBox.exec();
96 }
97 }
98
setSampleRate(QString rate)99 void MainWindow::setSampleRate(QString rate)
100 {
101 auto sampleRate = rate.toDouble();
102 input->setSampleRate(sampleRate);
103 plots->setSampleRate(sampleRate);
104
105 // Save the sample rate in settings as we're likely to be opening the same file across multiple runs
106 QSettings settings;
107 settings.setValue("SampleRate", sampleRate);
108 }
109
setSampleRate(double rate)110 void MainWindow::setSampleRate(double rate)
111 {
112 dock->sampleRate->setText(QString::number(rate));
113 }
114
setFormat(QString fmt)115 void MainWindow::setFormat(QString fmt)
116 {
117 input->setFormat(fmt.toUtf8().constData());
118 }
119