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 /**
  * \file mainqt.cpp
  * Main program.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 9 Jan 2003
  *
  * Copyright (C) 2003-2018  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 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.
  *
  * Kid3 is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <QFile>
 #include <QApplication>
 #include <QLibraryInfo>
 #include <QLocale>
 #include <QTranslator>
 #include <QDir>
 #include <QSettings>
 #include "fileconfig.h"
 #include "loadtranslation.h"
 #include "kid3mainwindow.h"
 #include "platformtools.h"
 #include "kid3application.h"
 #include "kid3qtapplication.h"
 
 /**
  * Main program.
  *
  * @param argc number of arguments including command name
  * @param argv arguments, argv[0] is command name
  *
  * @return exit code of application.
  */
 
 int main(int argc, char* argv[])
 {
   Q_INIT_RESOURCE(kid3);
 
 #if QT_VERSION < 0x060000
   // Enable support for high resolution "@2x" images
   QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #if QT_VERSION >= 0x050600
   QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 #endif
 #endif
   Kid3QtApplication app(argc, argv);
   QCoreApplication::setApplicationName(QLatin1String("Kid3"));
 
 #if defined Q_OS_LINUX && QT_VERSION >= 0x050700
   app.setDesktopFileName(QLatin1String("org.kde.kid3-qt.desktop"));
 #endif
 
 #ifdef Q_OS_MAC
   QDir dir(QApplication::applicationDirPath());
   dir.cdUp();
   dir.cd(QLatin1String("PlugIns"));
   QApplication::setLibraryPaths(QStringList(dir.absolutePath()));
 #endif
 
   QStringList args = QApplication::arguments();
   if (args.size() > 1 && args.at(1) == QLatin1String("--portable")) {
     args.removeAt(1);
     qputenv("KID3_CONFIG_FILE",
             QCoreApplication::applicationDirPath().toLatin1() + "/kid3.ini");
   }
 
   // The Language setting has to be read bypassing the regular
   // configuration object because the language must be set before
   // the application is created.
   QByteArray configPath = qgetenv("KID3_CONFIG_FILE");
   auto configuredLanguage = configPath.isNull()
       ? QSettings(QSettings::UserScope, QLatin1String("Kid3"),
                   QLatin1String("Kid3"))
         .value(QLatin1String("MainWindow/Language")).toString()
       : QSettings(QFile::decodeName(configPath), QSettings::IniFormat)
         .value(QLatin1String("MainWindow/Language")).toString();
   Utils::loadTranslation(configuredLanguage);
 
   IPlatformTools* platformTools = new PlatformTools;
   auto kid3App = new Kid3Application(platformTools);
 #ifdef HAVE_QTDBUS
   kid3App->activateDbusInterface();
 #endif
   auto kid3 = new Kid3MainWindow(platformTools, kid3App);
   kid3->setAttribute(Qt::WA_DeleteOnClose);
   QObject::connect(&app, &Kid3QtApplication::openFileRequested,
                    kid3App, &Kid3Application::openDrop);
   kid3->show();
   if (args.size() > 1) {
     kid3App->openDirectory(args.mid(1));
   } else if ((FileConfig::instance().loadLastOpenedFile() ||
               app.isSessionRestored()) &&
              !FileConfig::instance().lastOpenedFile().isEmpty()) {
     kid3App->openDirectory(QStringList()
                            << FileConfig::instance().lastOpenedFile());
   }
   int rc = QApplication::exec();
   delete kid3App;
   delete platformTools;
   return rc;
 }