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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam and QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #include "MainWindow.h"
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17
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18 #include "system/System.h"
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19 #include "system/Init.h"
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20 #include "base/TempDirectory.h"
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21 #include "base/PropertyContainer.h"
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22 #include "base/Preferences.h"
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23
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24 #include <QMetaType>
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25 #include <QApplication>
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26 #include <QDesktopWidget>
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27 #include <QMessageBox>
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28 #include <QTranslator>
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29 #include <QLocale>
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30 #include <QSettings>
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31 #include <QIcon>
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32 #include <QSessionManager>
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33
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34 #include <iostream>
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35 #include <signal.h>
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36
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37 static QMutex cleanupMutex;
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38
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39 static void
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40 signalHandler(int /* signal */)
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41 {
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42 // Avoid this happening more than once across threads
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43
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44 cleanupMutex.lock();
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45 std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
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46 TempDirectory::getInstance()->cleanup();
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47 exit(0); // without releasing mutex
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48 }
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49
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50 class SVApplication : public QApplication
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51 {
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52 public:
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53 SVApplication(int argc, char **argv) :
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54 QApplication(argc, argv),
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55 m_mainWindow(0) { }
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56 virtual ~SVApplication() { }
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57
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58 void setMainWindow(MainWindow *mw) { m_mainWindow = mw; }
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59 void releaseMainWindow() { m_mainWindow = 0; }
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60
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61 virtual void commitData(QSessionManager &manager) {
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62 if (!m_mainWindow) return;
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63 bool mayAskUser = manager.allowsInteraction();
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64 bool success = m_mainWindow->commitData(mayAskUser);
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65 manager.release();
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66 if (!success) manager.cancel();
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67 }
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68
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69 protected:
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70 MainWindow *m_mainWindow;
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71 };
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72
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73 int
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74 main(int argc, char **argv)
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75 {
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76 SVApplication application(argc, argv);
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77
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78 QStringList args = application.arguments();
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79
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80 signal(SIGINT, signalHandler);
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81 signal(SIGTERM, signalHandler);
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82
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83 #ifndef Q_WS_WIN32
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84 signal(SIGHUP, signalHandler);
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85 signal(SIGQUIT, signalHandler);
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86 #endif
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87
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88 svSystemSpecificInitialisation();
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89
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90 bool audioOutput = true;
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91 bool oscSupport = true;
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92
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93 if (args.contains("--help")) {
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94 std::cerr << QApplication::tr(
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95 "\nSonic Visualiser is a program for viewing and exploring audio data\nfor semantic music analysis and annotation.\n\nUsage:\n\n %1 [--no-audio] [--no-osc] [<file> ...]\n\n --no-audio: Do not attempt to open an audio output device\n --no-osc: Do not provide an Open Sound Control port for remote control\n <file>: One or more Sonic Visualiser (.sv) and audio files may be provided.\n").arg(argv[0]).toStdString() << std::endl;
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96 exit(2);
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97 }
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98
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99 if (args.contains("--no-audio")) audioOutput = false;
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100 if (args.contains("--no-osc")) oscSupport = false;
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101
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102 QApplication::setOrganizationName("sonic-visualiser");
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103 QApplication::setOrganizationDomain("sonicvisualiser.org");
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104 QApplication::setApplicationName("sonic-visualiser");
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105
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106 QApplication::setWindowIcon(QIcon(":icons/waveform.png"));
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107
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108 QString language = QLocale::system().name();
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109
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110 QTranslator qtTranslator;
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111 QString qtTrName = QString("qt_%1").arg(language);
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112 std::cerr << "Loading " << qtTrName.toStdString() << "..." << std::endl;
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113 qtTranslator.load(qtTrName);
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114 application.installTranslator(&qtTranslator);
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115
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116 QTranslator svTranslator;
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117 QString svTrName = QString("sonic-visualiser_%1").arg(language);
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118 std::cerr << "Loading " << svTrName.toStdString() << "..." << std::endl;
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119 svTranslator.load(svTrName, ":i18n");
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120 application.installTranslator(&svTranslator);
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121
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122 // Permit size_t and PropertyName to be used as args in queued signal calls
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123 qRegisterMetaType<size_t>("size_t");
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124 qRegisterMetaType<PropertyContainer::PropertyName>("PropertyContainer::PropertyName");
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125
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126 MainWindow gui(audioOutput, oscSupport);
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127 application.setMainWindow(&gui);
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128
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129 QDesktopWidget *desktop = QApplication::desktop();
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130 QRect available = desktop->availableGeometry();
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131
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132 int width = available.width() * 2 / 3;
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133 int height = available.height() / 2;
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134 if (height < 450) height = available.height() * 2 / 3;
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135 if (width > height * 2) width = height * 2;
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136
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137 QSettings settings;
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138 settings.beginGroup("MainWindow");
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139 QSize size = settings.value("size", QSize(width, height)).toSize();
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140 gui.resize(size);
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141 if (settings.contains("position")) {
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142 gui.move(settings.value("position").toPoint());
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143 }
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144 settings.endGroup();
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145
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146 gui.show();
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147
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148 bool haveSession = false;
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149 bool haveMainModel = false;
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150
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151 for (QStringList::iterator i = args.begin(); i != args.end(); ++i) {
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152
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153 MainWindow::FileOpenStatus status = MainWindow::FileOpenFailed;
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154
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155 if (i == args.begin()) continue;
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156 if (i->startsWith('-')) continue;
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157
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158 if (i->startsWith("http:") || i->startsWith("ftp:")) {
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159 status = gui.openURL(QUrl(*i));
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160 continue;
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161 }
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162
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163 QString path = *i;
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164
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165 if (path.endsWith("sv")) {
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166 if (!haveSession) {
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167 status = gui.openSessionFile(path);
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168 if (status == MainWindow::FileOpenSucceeded) {
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169 haveSession = true;
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170 haveMainModel = true;
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171 }
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172 } else {
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173 std::cerr << "WARNING: Ignoring additional session file argument \"" << path.toStdString() << "\"" << std::endl;
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174 status = MainWindow::FileOpenSucceeded;
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175 }
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176 }
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177 if (status != MainWindow::FileOpenSucceeded) {
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178 if (!haveMainModel) {
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179 status = gui.openSomeFile(path, MainWindow::ReplaceMainModel);
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180 if (status == MainWindow::FileOpenSucceeded) haveMainModel = true;
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181 } else {
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182 status = gui.openSomeFile(path, MainWindow::CreateAdditionalModel);
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183 }
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184 }
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185 if (status == MainWindow::FileOpenFailed) {
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186 QMessageBox::critical
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187 (&gui, QMessageBox::tr("Failed to open file"),
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188 QMessageBox::tr("File \"%1\" could not be opened").arg(path));
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189 }
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190 }
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191
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192 int rv = application.exec();
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193 std::cerr << "application.exec() returned " << rv << std::endl;
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194
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195 cleanupMutex.lock();
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196 TempDirectory::getInstance()->cleanup();
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197 application.releaseMainWindow();
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198
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199 return rv;
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200 }
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