Mercurial > hg > sonic-visualiser
view 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 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. 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 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "MainWindow.h" #include "system/System.h" #include "system/Init.h" #include "base/TempDirectory.h" #include "base/PropertyContainer.h" #include "base/Preferences.h" #include <QMetaType> #include <QApplication> #include <QDesktopWidget> #include <QMessageBox> #include <QTranslator> #include <QLocale> #include <QSettings> #include <QIcon> #include <QSessionManager> #include <iostream> #include <signal.h> //!!! catch trappable signals, cleanup temporary directory etc //!!! check for crap left over from previous run static QMutex cleanupMutex; static void signalHandler(int /* signal */) { // Avoid this happening more than once across threads cleanupMutex.lock(); std::cerr << "signalHandler: cleaning up and exiting" << std::endl; TempDirectory::getInstance()->cleanup(); exit(0); // without releasing mutex } class SVApplication : public QApplication { public: SVApplication(int argc, char **argv) : QApplication(argc, argv), m_mainWindow(0) { } virtual ~SVApplication() { } void setMainWindow(MainWindow *mw) { m_mainWindow = mw; } void releaseMainWindow() { m_mainWindow = 0; } virtual void commitData(QSessionManager &manager) { if (!m_mainWindow) return; bool mayAskUser = manager.allowsInteraction(); bool success = m_mainWindow->commitData(mayAskUser); manager.release(); if (!success) manager.cancel(); } protected: MainWindow *m_mainWindow; }; int main(int argc, char **argv) { SVApplication application(argc, argv); QStringList args = application.arguments(); signal(SIGINT, signalHandler); signal(SIGTERM, signalHandler); #ifndef Q_WS_WIN32 signal(SIGHUP, signalHandler); signal(SIGQUIT, signalHandler); #endif svSystemSpecificInitialisation(); bool audioOutput = true; if (args.contains("--no-audio")) audioOutput = false; QApplication::setOrganizationName("sonic-visualiser"); QApplication::setOrganizationDomain("sonicvisualiser.org"); QApplication::setApplicationName("sonic-visualiser"); QApplication::setWindowIcon(QIcon(":icons/waveform.png")); QString language = QLocale::system().name(); QTranslator qtTranslator; QString qtTrName = QString("qt_%1").arg(language); std::cerr << "Loading " << qtTrName.toStdString() << "..." << std::endl; qtTranslator.load(qtTrName); application.installTranslator(&qtTranslator); QTranslator svTranslator; QString svTrName = QString("sonic-visualiser_%1").arg(language); std::cerr << "Loading " << svTrName.toStdString() << "..." << std::endl; svTranslator.load(svTrName, ":i18n"); application.installTranslator(&svTranslator); // Permit size_t and PropertyName to be used as args in queued signal calls qRegisterMetaType<size_t>("size_t"); qRegisterMetaType<PropertyContainer::PropertyName>("PropertyContainer::PropertyName"); MainWindow gui(audioOutput); application.setMainWindow(&gui); QDesktopWidget *desktop = QApplication::desktop(); QRect available = desktop->availableGeometry(); int width = available.width() * 2 / 3; int height = available.height() / 2; if (height < 450) height = available.height() * 2 / 3; if (width > height * 2) width = height * 2; QSettings settings; settings.beginGroup("MainWindow"); QSize size = settings.value("size", QSize(width, height)).toSize(); gui.resize(size); if (settings.contains("position")) { gui.move(settings.value("position").toPoint()); } settings.endGroup(); gui.show(); QString path; for (QStringList::iterator i = args.begin(); i != args.end(); ++i) { if (i == args.begin()) continue; if (!i->startsWith('-')) { path = *i; break; } } if (!path.isEmpty()) { bool success = false; if (path.endsWith(".sv")) { success = gui.openSessionFile(path); } if (!success) { success = gui.openSomeFile(path); } if (!success) { QMessageBox::critical(&gui, QMessageBox::tr("Failed to open file"), QMessageBox::tr("File \"%1\" could not be opened").arg(path)); } } int rv = application.exec(); std::cerr << "application.exec() returned " << rv << std::endl; cleanupMutex.lock(); TempDirectory::getInstance()->cleanup(); application.releaseMainWindow(); return rv; }