annotate main/main.cpp @ 46:47bff9f88882

* Add --no-audio option to avoid opening any audio output device
author Chris Cannam
date Thu, 05 Oct 2006 11:01:36 +0000
parents 0dbd08e365ce
children ec77936c268e
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 Sonic Visualiser
Chris@0 5 An audio file viewer and annotation editor.
Chris@0 6 Centre for Digital Music, Queen Mary, University of London.
Chris@0 7 This file copyright 2006 Chris Cannam.
Chris@0 8
Chris@0 9 This program is free software; you can redistribute it and/or
Chris@0 10 modify it under the terms of the GNU General Public License as
Chris@0 11 published by the Free Software Foundation; either version 2 of the
Chris@0 12 License, or (at your option) any later version. See the file
Chris@0 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include "MainWindow.h"
Chris@0 17
Chris@1 18 #include "system/System.h"
Chris@1 19 #include "system/Init.h"
Chris@0 20 #include "base/TempDirectory.h"
Chris@0 21 #include "base/PropertyContainer.h"
Chris@0 22 #include "base/Preferences.h"
Chris@0 23
Chris@0 24 #include <QMetaType>
Chris@0 25 #include <QApplication>
Chris@0 26 #include <QDesktopWidget>
Chris@0 27 #include <QMessageBox>
Chris@0 28 #include <QTranslator>
Chris@0 29 #include <QLocale>
Chris@5 30 #include <QSettings>
Chris@7 31 #include <QIcon>
Chris@11 32 #include <QSessionManager>
Chris@0 33
Chris@0 34 #include <iostream>
Chris@0 35 #include <signal.h>
Chris@0 36
Chris@0 37 //!!! catch trappable signals, cleanup temporary directory etc
Chris@0 38 //!!! check for crap left over from previous run
Chris@0 39
Chris@0 40 static QMutex cleanupMutex;
Chris@0 41
Chris@0 42 static void
Chris@0 43 signalHandler(int /* signal */)
Chris@0 44 {
Chris@0 45 // Avoid this happening more than once across threads
Chris@0 46
Chris@0 47 cleanupMutex.lock();
Chris@0 48 std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
Chris@0 49 TempDirectory::getInstance()->cleanup();
Chris@0 50 exit(0); // without releasing mutex
Chris@0 51 }
Chris@0 52
Chris@11 53 class SVApplication : public QApplication
Chris@11 54 {
Chris@11 55 public:
Chris@11 56 SVApplication(int argc, char **argv) :
Chris@11 57 QApplication(argc, argv),
Chris@11 58 m_mainWindow(0) { }
Chris@11 59 virtual ~SVApplication() { }
Chris@11 60
Chris@11 61 void setMainWindow(MainWindow *mw) { m_mainWindow = mw; }
Chris@11 62 void releaseMainWindow() { m_mainWindow = 0; }
Chris@11 63
Chris@11 64 virtual void commitData(QSessionManager &manager) {
Chris@11 65 if (!m_mainWindow) return;
Chris@11 66 bool mayAskUser = manager.allowsInteraction();
Chris@11 67 bool success = m_mainWindow->commitData(mayAskUser);
Chris@11 68 manager.release();
Chris@11 69 if (!success) manager.cancel();
Chris@11 70 }
Chris@11 71
Chris@11 72 protected:
Chris@11 73 MainWindow *m_mainWindow;
Chris@11 74 };
Chris@11 75
Chris@0 76 int
Chris@0 77 main(int argc, char **argv)
Chris@0 78 {
Chris@11 79 SVApplication application(argc, argv);
Chris@0 80
Chris@46 81 QStringList args = application.arguments();
Chris@46 82
Chris@0 83 signal(SIGINT, signalHandler);
Chris@0 84 signal(SIGTERM, signalHandler);
Chris@0 85
Chris@0 86 #ifndef Q_WS_WIN32
Chris@0 87 signal(SIGHUP, signalHandler);
Chris@0 88 signal(SIGQUIT, signalHandler);
Chris@0 89 #endif
Chris@0 90
Chris@0 91 svSystemSpecificInitialisation();
Chris@0 92
Chris@46 93 bool audioOutput = true;
Chris@46 94 if (args.contains("--no-audio")) audioOutput = false;
Chris@46 95
Chris@6 96 QApplication::setOrganizationName("sonic-visualiser");
Chris@5 97 QApplication::setOrganizationDomain("sonicvisualiser.org");
Chris@6 98 QApplication::setApplicationName("sonic-visualiser");
Chris@5 99
Chris@7 100 QApplication::setWindowIcon(QIcon(":icons/waveform.png"));
Chris@7 101
Chris@0 102 QString language = QLocale::system().name();
Chris@0 103
Chris@0 104 QTranslator qtTranslator;
Chris@0 105 QString qtTrName = QString("qt_%1").arg(language);
Chris@0 106 std::cerr << "Loading " << qtTrName.toStdString() << "..." << std::endl;
Chris@0 107 qtTranslator.load(qtTrName);
Chris@0 108 application.installTranslator(&qtTranslator);
Chris@0 109
Chris@0 110 QTranslator svTranslator;
Chris@0 111 QString svTrName = QString("sonic-visualiser_%1").arg(language);
Chris@0 112 std::cerr << "Loading " << svTrName.toStdString() << "..." << std::endl;
Chris@0 113 svTranslator.load(svTrName, ":i18n");
Chris@0 114 application.installTranslator(&svTranslator);
Chris@0 115
Chris@0 116 // Permit size_t and PropertyName to be used as args in queued signal calls
Chris@0 117 qRegisterMetaType<size_t>("size_t");
Chris@0 118 qRegisterMetaType<PropertyContainer::PropertyName>("PropertyContainer::PropertyName");
Chris@0 119
Chris@46 120 MainWindow gui(audioOutput);
Chris@11 121 application.setMainWindow(&gui);
Chris@0 122
Chris@0 123 QDesktopWidget *desktop = QApplication::desktop();
Chris@0 124 QRect available = desktop->availableGeometry();
Chris@0 125
Chris@0 126 int width = available.width() * 2 / 3;
Chris@0 127 int height = available.height() / 2;
Chris@0 128 if (height < 450) height = available.height() * 2 / 3;
Chris@0 129 if (width > height * 2) width = height * 2;
Chris@0 130
Chris@5 131 QSettings settings;
Chris@5 132 settings.beginGroup("MainWindow");
Chris@5 133 QSize size = settings.value("size", QSize(width, height)).toSize();
Chris@5 134 gui.resize(size);
Chris@5 135 if (settings.contains("position")) {
Chris@5 136 gui.move(settings.value("position").toPoint());
Chris@5 137 }
Chris@5 138 settings.endGroup();
Chris@5 139
Chris@0 140 gui.show();
Chris@0 141
Chris@46 142 QString path;
Chris@46 143 for (QStringList::iterator i = args.begin(); i != args.end(); ++i) {
Chris@46 144 if (i == args.begin()) continue;
Chris@46 145 if (!i->startsWith('-')) {
Chris@46 146 path = *i;
Chris@46 147 break;
Chris@46 148 }
Chris@46 149 }
Chris@46 150
Chris@46 151 if (!path.isEmpty()) {
Chris@0 152 bool success = false;
Chris@0 153 if (path.endsWith(".sv")) {
Chris@0 154 success = gui.openSessionFile(path);
Chris@0 155 }
Chris@0 156 if (!success) {
Chris@0 157 success = gui.openSomeFile(path);
Chris@0 158 }
Chris@0 159 if (!success) {
Chris@0 160 QMessageBox::critical(&gui, QMessageBox::tr("Failed to open file"),
Chris@0 161 QMessageBox::tr("File \"%1\" could not be opened").arg(path));
Chris@0 162 }
Chris@0 163 }
Chris@0 164
Chris@0 165 int rv = application.exec();
Chris@0 166 std::cerr << "application.exec() returned " << rv << std::endl;
Chris@0 167
Chris@0 168 cleanupMutex.lock();
Chris@0 169 TempDirectory::getInstance()->cleanup();
Chris@11 170 application.releaseMainWindow();
Chris@5 171
Chris@0 172 return rv;
Chris@0 173 }