text: // Copyright (c) 2014-2018, The Monero Project
  //
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  //
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #include <QApplication>
  #include <QQmlApplicationEngine>
  #include <QtQml>
  #include <QStandardPaths>
  #include <QIcon>
  #include <QDebug>
  #include <QDesktopServices>
  #include <QObject>
  #include <QDesktopWidget>
  #include <QScreen>
  #include <QRegExp>
  #include <QThread>
  
  #include <version.h>
  
  #include "clipboardAdapter.h"
  #include "filter.h"
  #include "oscursor.h"
  #include "oshelper.h"
  #include "WalletManager.h"
  #include "Wallet.h"
  #include "QRCodeImageProvider.h"
  #include "PendingTransaction.h"
  #include "UnsignedTransaction.h"
  #include "TranslationManager.h"
  #include "TransactionInfo.h"
  #include "TransactionHistory.h"
  #include "model/TransactionHistoryModel.h"
  #include "model/TransactionHistorySortFilterModel.h"
  #include "AddressBook.h"
  #include "model/AddressBookModel.h"
  #include "Subaddress.h"
  #include "model/SubaddressModel.h"
  #include "SubaddressAccount.h"
  #include "model/SubaddressAccountModel.h"
  #include "Logger.h"
  #include "MainApp.h"
  #include "qt/downloader.h"
  #include "qt/ipc.h"
  #include "qt/network.h"
  #include "qt/updater.h"
  #include "qt/utils.h"
  #include "qt/TailsOS.h"
  #include "qt/KeysFiles.h"
  #include "qt/MoneroSettings.h"
  #include "qt/NetworkAccessBlockingFactory.h"
  
  // IOS exclusions
  #ifndef Q_OS_IOS
  #include "daemon/DaemonManager.h"
  #endif
  
  #if defined(Q_OS_WIN)
  #include <QOpenGLContext>
  #elif defined(Q_OS_MACOS)
  #include "qt/macoshelper.h"
  #endif
  
  #ifdef WITH_SCANNER
  #include "QR-Code-scanner/QrCodeScanner.h"
  #endif
  
  #ifdef MONERO_GUI_STATIC
  
  #include <QtPlugin>
  #if defined(Q_OS_OSX)
    Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin);
  #elif defined(Q_OS_WIN)
    Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin);
  #elif defined(Q_OS_LINUX)
    Q_IMPORT_PLUGIN(QXcbIntegrationPlugin);
    Q_IMPORT_PLUGIN(QXcbGlxIntegrationPlugin);
  #endif
  Q_IMPORT_PLUGIN(QSvgIconPlugin)
  Q_IMPORT_PLUGIN(QICNSPlugin)
  Q_IMPORT_PLUGIN(QICOPlugin)
  Q_IMPORT_PLUGIN(QJpegPlugin)
  Q_IMPORT_PLUGIN(QSvgPlugin)
  Q_IMPORT_PLUGIN(QTgaPlugin)
  Q_IMPORT_PLUGIN(QTiffPlugin)
  Q_IMPORT_PLUGIN(QWbmpPlugin)
  Q_IMPORT_PLUGIN(QWebpPlugin)
  Q_IMPORT_PLUGIN(QQmlDebuggerServiceFactory)
  Q_IMPORT_PLUGIN(QQmlInspectorServiceFactory)
  Q_IMPORT_PLUGIN(QLocalClientConnectionFactory)
  Q_IMPORT_PLUGIN(QDebugMessageServiceFactory)
  Q_IMPORT_PLUGIN(QQmlNativeDebugConnectorFactory)
  Q_IMPORT_PLUGIN(QQmlNativeDebugServiceFactory)
  Q_IMPORT_PLUGIN(QQmlProfilerServiceFactory)
  Q_IMPORT_PLUGIN(QQuickProfilerAdapterFactory)
  Q_IMPORT_PLUGIN(QQmlDebugServerFactory)
  Q_IMPORT_PLUGIN(QTcpServerConnectionFactory)
  Q_IMPORT_PLUGIN(QGenericEnginePlugin)
  
  #if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
  Q_IMPORT_PLUGIN(QtQmlPlugin)
  #endif
  Q_IMPORT_PLUGIN(QtQmlModelsPlugin)
  Q_IMPORT_PLUGIN(QtQuick2Plugin)
  Q_IMPORT_PLUGIN(QtQuickLayoutsPlugin)
  Q_IMPORT_PLUGIN(QtGraphicalEffectsPlugin)
  Q_IMPORT_PLUGIN(QtGraphicalEffectsPrivatePlugin)
  Q_IMPORT_PLUGIN(QtQuick2WindowPlugin)
  Q_IMPORT_PLUGIN(QtQuickControls1Plugin)
  Q_IMPORT_PLUGIN(QtQuick2DialogsPlugin)
  Q_IMPORT_PLUGIN(QmlFolderListModelPlugin)
  Q_IMPORT_PLUGIN(QmlSettingsPlugin)
  Q_IMPORT_PLUGIN(QtQuick2DialogsPrivatePlugin)
  Q_IMPORT_PLUGIN(QtQuick2PrivateWidgetsPlugin)
  Q_IMPORT_PLUGIN(QtQuickControls2Plugin)
  Q_IMPORT_PLUGIN(QtQuickTemplates2Plugin)
  Q_IMPORT_PLUGIN(QmlXmlListModelPlugin)
  #ifdef WITH_SCANNER
  Q_IMPORT_PLUGIN(QMultimediaDeclarativeModule)
  #endif
  
  #endif
  
  bool isIOS = false;
  bool isAndroid = false;
  bool isWindows = false;
  bool isMac = false;
  bool isLinux = false;
  bool isTails = false;
  bool isDesktop = false;
  bool isOpenGL = true;
  
  int main(int argc, char *argv[])
  {
      Q_INIT_RESOURCE(translations);
  
      // platform dependant settings
  #if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
      bool isDesktop = true;
  #elif defined(Q_OS_ANDROID)
      bool isAndroid = true;
  #elif defined(Q_OS_IOS)
      bool isIOS = true;
  #endif
  #ifdef Q_OS_WIN
      bool isWindows = true;
  #elif defined(Q_OS_LINUX)
      bool isLinux = true;
      bool isTails = TailsOS::detect();
  #elif defined(Q_OS_MAC)
      bool isMac = true;
  #endif
  
      // detect low graphics mode (start-low-graphics-mode.bat)
      if(qgetenv("QMLSCENE_DEVICE") == "softwarecontext")
          isOpenGL = false;
  
      // disable "QApplication: invalid style override passed" warning
      if (isDesktop) qputenv("QT_STYLE_OVERRIDE", "fusion");
  #ifdef Q_OS_LINUX
      // platform xcb by default
      if (isDesktop && qEnvironmentVariableIsEmpty("QT_QPA_PLATFORM")) qputenv("QT_QPA_PLATFORM", "xcb");
  #endif
  
      // enable High DPI scaling
      qputenv("QT_ENABLE_HIGHDPI_SCALING", "1");
  
      // Turn off colors in monerod log output.
      qputenv("TERM", "goaway");
  
  #if defined(Q_OS_MACOS)
      QDir::setCurrent(QDir(MacOSHelper::bundlePath() + QDir::separator() + "..").canonicalPath());
  #endif
  
      qputenv("QML_DISABLE_DISK_CACHE", "1");
  
      MainApp app(argc, argv);
  
  #if defined(Q_OS_WIN)
      if (isOpenGL)
      {
          QOpenGLContext ctx;
          isOpenGL = ctx.create() && ctx.format().version() >= qMakePair(2, 1);
          if (!isOpenGL) {
              qputenv("QMLSCENE_DEVICE", "softwarecontext");
          }
      }
  #endif
  
      app.setApplicationName("monero-core");
      app.setOrganizationDomain("getmonero.org");
      app.setOrganizationName("monero-project");
  
      // Ask to enable Tails OS persistence mode, it affects:
      // - Log file location
      // - QML Settings file location (monero-core.conf)
      // - Default wallets path
      // Target directory is: ~/Persistent/Monero
      if (isTails) {
          if (!TailsOS::detectDataPersistence())
              TailsOS::showDataPersistenceDisabledWarning();
          else
              TailsOS::askPersistence();
      }
  
      QString moneroAccountsDir;
      #if defined(Q_OS_WIN) || defined(Q_OS_IOS)
          QStringList moneroAccountsRootDir = QStandardPaths::standardLocations(QStandardPaths::DocumentsLocation);
      #else
          QStringList moneroAccountsRootDir = QStandardPaths::standardLocations(QStandardPaths::HomeLocation);
      #endif
  
      if(isTails && TailsOS::usePersistence){
          moneroAccountsDir = QDir::homePath() + "/Persistent/USDX/wallets";
      } else if (!moneroAccountsRootDir.empty()) {
          moneroAccountsDir = moneroAccountsRootDir.at(0) + "/USDX/wallets";
      } else {
          qCritical() << "Error: accounts root directory could not be set";
          return 1;
      }
      moneroAccountsDir = QDir::toNativeSeparators(moneroAccountsDir);
  
  #if defined(Q_OS_LINUX)
      if (isDesktop) app.setWindowIcon(QIcon(":/images/appicon.ico"));
  #endif
  
      filter *eventFilter = new filter;
      app.installEventFilter(eventFilter);
  
      QCommandLineParser parser;
      QCommandLineOption logPathOption(QStringList() << "l" << "log-file",
          QCoreApplication::translate("main", "Log to specified file"),
          QCoreApplication::translate("main", "file"));
  
      QCommandLineOption verifyUpdateOption("verify-update", "\
  Verify update binary using 'shasum'-compatible (SHA256 algo) output signed by two maintainers.\n\
  * Requires 'hashes.txt' - signed 'shasum' output \
  (i.e. 'gpg -o hashes.txt --clear-sign <shasum_output>') generated by a maintainer.\n\
  * Requires 'hashes.txt.sig' - detached signature of 'hashes.txt' \
  (i.e. 'gpg -b hashes.txt') generated by another maintainer.", "update-binary");
      parser.addOption(verifyUpdateOption);
  
      QCommandLineOption disableCheckUpdatesOption("disable-check-updates", "Disable automatic check for updates.");
      parser.addOption(disableCheckUpdatesOption);
      QCommandLineOption socksProxyOption("socks5-proxy", "Enable socks5 proxy. Used for remote node connection (advanced mode), updates downloading and fetching price sources.", "address:port");
      parser.addOption(socksProxyOption);
      QCommandLineOption testQmlOption("test-qml");
      testQmlOption.setFlags(QCommandLineOption::HiddenFromHelp);
      parser.addOption(logPathOption);
      parser.addOption(testQmlOption);
      parser.addHelpOption();
      parser.process(app);
  
      Monero::Utils::onStartup();
  
      Logger logger(app, parser.value(logPathOption));
  
      // loglevel is configured in main.qml. Anything lower than
      // qWarning is not shown here unless MONERO_LOG_LEVEL env var is set
      bool logLevelOk;
      int logLevel = qEnvironmentVariableIntValue("MONERO_LOG_LEVEL", &logLevelOk);
      if (logLevelOk && logLevel >= 0 && logLevel <= Monero::WalletManagerFactory::LogLevel_Max){
          Monero::WalletManagerFactory::setLogLevel(logLevel);
      }
  
      if (parser.isSet(verifyUpdateOption))
      {
          const QString updateBinaryFullPath = parser.value(verifyUpdateOption);
          const QFileInfo updateBinaryInfo(updateBinaryFullPath);
          const QString updateBinaryDir = QDir::toNativeSeparators(updateBinaryInfo.absolutePath()) + QDir::separator();
          const QString hashesTxt = updateBinaryDir + "hashes.txt";
          const QString hashesTxtSig = hashesTxt + ".sig";
          try
          {
              const QByteArray updateBinaryContents = fileGetContents(updateBinaryFullPath);
              const QPair<QString, QString> signers = Updater().verifySignaturesAndHashSum(
                  fileGetContents(hashesTxt),
                  fileGetContents(hashesTxtSig),
                  updateBinaryInfo.fileName(),
                  updateBinaryContents.data(),
                  updateBinaryContents.size());
              qCritical() << "successfully verified, signed by" << signers.first << "and" << signers.second;
              return 0;
          }
          catch (const std::exception &e)
          {
              qCritical() << e.what();
          }
          return 1;
      }
  
      IPC *ipc = new IPC(&app);
      QStringList posArgs = parser.positionalArguments();
  
      for(int i = 0; i != posArgs.count(); i++){
          QString arg = QString(posArgs.at(i));
          if(arg.isEmpty() || arg.length() >= 512) continue;
          if(arg.contains(reURI)){
              if(!ipc->saveCommand(arg)){
                  return 0;
              }
          }
      }
  
      // start listening
      QTimer::singleShot(0, ipc, SLOT(bind()));
  
      // screen settings
      // Mobile is designed on 128dpi
      qreal ref_dpi = 128;
      QSize screenAvailableSize = QGuiApplication::primaryScreen()->availableVirtualSize();
      QRect rect = QGuiApplication::primaryScreen()->geometry();
      qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInch();
      qreal physicalDpi = QGuiApplication::primaryScreen()->physicalDotsPerInch();
      qreal calculated_ratio = physicalDpi/ref_dpi;
  
      QString GUI_VERSION = "-";
      QFile f(":/version.js");
      if(!f.open(QFile::ReadOnly)) {
          qWarning() << "Could not read qrc:///version.js";
      } else {
          QByteArray contents = f.readAll();
          f.close();
  
          QRegularExpression re("var GUI_VERSION = \"(.*)\"");
          QRegularExpressionMatch version_match = re.match(contents);
          if (version_match.hasMatch()) {
              GUI_VERSION = version_match.captured(1);  // "v0.13.0.3"
          }
      }
  
      qWarning().nospace().noquote() << "Qt:" << QT_VERSION_STR << " GUI:" << GUI_VERSION
                                     << " | screen: " << rect.width() << "x" << rect.height()
                                     << " - available: " << screenAvailableSize
                                     << " - dpi: " << dpi << " - ratio:" << calculated_ratio;
  
      // registering types for QML
      qmlRegisterType<clipboardAdapter>("moneroComponents.Clipboard", 1, 0, "Clipboard");
      qmlRegisterType<Downloader>("moneroComponents.Downloader", 1, 0, "Downloader");
      qmlRegisterType<Network>("moneroComponents.Network", 1, 0, "Network");
      qmlRegisterType<WalletKeysFilesModel>("moneroComponents.WalletKeysFilesModel", 1, 0, "WalletKeysFilesModel");
      qmlRegisterType<WalletManager>("moneroComponents.WalletManager", 1, 0, "WalletManager");
  
      // Temporary Qt.labs.settings replacement
      qmlRegisterType<MoneroSettings>("moneroComponents.Settings", 1, 0, "MoneroSettings");
  
      qmlRegisterUncreatableType<Wallet>("moneroComponents.Wallet", 1, 0, "Wallet", "Wallet can't be instantiated directly");
  
  
      qmlRegisterUncreatableType<PendingTransaction>("moneroComponents.PendingTransaction", 1, 0, "PendingTransaction",
                                                     "PendingTransaction can't be instantiated directly");
  
      qmlRegisterUncreatableType<UnsignedTransaction>("moneroComponents.UnsignedTransaction", 1, 0, "UnsignedTransaction",
                                                     "UnsignedTransaction can't be instantiated directly");
  
      qmlRegisterUncreatableType<TranslationManager>("moneroComponents.TranslationManager", 1, 0, "TranslationManager",
                                                     "TranslationManager can't be instantiated directly");
  
      qmlRegisterUncreatableType<TransactionHistoryModel>("moneroComponents.TransactionHistoryModel", 1, 0, "TransactionHistoryModel",
                                                          "TransactionHistoryModel can't be instantiated directly");
  
      qmlRegisterUncreatableType<TransactionHistorySortFilterModel>("moneroComponents.TransactionHistorySortFilterModel", 1, 0, "TransactionHistorySortFilterModel",
                                                          "TransactionHistorySortFilterModel can't be instantiated directly");
  
      qmlRegisterUncreatableType<TransactionHistory>("moneroComponents.TransactionHistory", 1, 0, "TransactionHistory",
                                                          "TransactionHistory can't be instantiated directly");
  
      qmlRegisterUncreatableType<TransactionInfo>("moneroComponents.TransactionInfo", 1, 0, "TransactionInfo",
                                                          "TransactionHistory can't be instantiated directly");
  #ifndef Q_OS_IOS
      qmlRegisterUncreatableType<DaemonManager>("moneroComponents.DaemonManager", 1, 0, "DaemonManager",
                                                     "DaemonManager can't be instantiated directly");
  #endif
      qmlRegisterUncreatableType<AddressBookModel>("moneroComponents.AddressBookModel", 1, 0, "AddressBookModel",
                                                          "AddressBookModel can't be instantiated directly");
  
      qmlRegisterUncreatableType<AddressBook>("moneroComponents.AddressBook", 1, 0, "AddressBook",
                                                          "AddressBook can't be instantiated directly");
  
      qmlRegisterUncreatableType<SubaddressModel>("moneroComponents.SubaddressModel", 1, 0, "SubaddressModel",
                                                          "SubaddressModel can't be instantiated directly");
  
      qmlRegisterUncreatableType<Subaddress>("moneroComponents.Subaddress", 1, 0, "Subaddress",
                                                          "Subaddress can't be instantiated directly");
  
      qmlRegisterUncreatableType<SubaddressAccountModel>("moneroComponents.SubaddressAccountModel", 1, 0, "SubaddressAccountModel",
                                                          "SubaddressAccountModel can't be instantiated directly");
  
      qmlRegisterUncreatableType<SubaddressAccount>("moneroComponents.SubaddressAccount", 1, 0, "SubaddressAccount",
                                                          "SubaddressAccount can't be instantiated directly");
  
      qRegisterMetaType<PendingTransaction::Priority>();
      qRegisterMetaType<TransactionInfo::Direction>();
      qRegisterMetaType<TransactionHistoryModel::TransactionInfoRole>();
  
      qRegisterMetaType<NetworkType::Type>();
      qmlRegisterType<NetworkType>("moneroComponents.NetworkType", 1, 0, "NetworkType");
  
  #ifdef WITH_SCANNER
      qmlRegisterType<QrCodeScanner>("moneroComponents.QRCodeScanner", 1, 0, "QRCodeScanner");
  #endif
  
      QQmlApplicationEngine engine;
  
  #if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
      engine.setNetworkAccessManagerFactory(new NetworkAccessBlockingFactory);
  #endif
      OSCursor cursor;
      engine.rootContext()->setContextProperty("globalCursor", &cursor);
      OSHelper osHelper;
      engine.rootContext()->setContextProperty("oshelper", &osHelper);
  
      engine.addImportPath(":/fonts");
  
      engine.rootContext()->setContextProperty("moneroAccountsDir", moneroAccountsDir);
  
      engine.rootContext()->setContextProperty("translationManager", TranslationManager::instance());
  
      engine.addImageProvider(QLatin1String("qrcode"), new QRCodeImageProvider());
  
      engine.rootContext()->setContextProperty("logger", &logger);
  
      engine.rootContext()->setContextProperty("mainApp", &app);
  
      engine.rootContext()->setContextProperty("IPC", ipc);
  
      engine.rootContext()->setContextProperty("qtRuntimeVersion", qVersion());
  
      engine.rootContext()->setContextProperty("tailsUsePersistence", TailsOS::usePersistence);
  
  // Exclude daemon manager from IOS
  #ifndef Q_OS_IOS
      DaemonManager daemonManager;
      engine.rootContext()->setContextProperty("daemonManager", &daemonManager);
  #endif
  
      engine.rootContext()->setContextProperty("isWindows", isWindows);
      engine.rootContext()->setContextProperty("isMac", isMac);
      engine.rootContext()->setContextProperty("isLinux", isLinux);
      engine.rootContext()->setContextProperty("isIOS", isIOS);
      engine.rootContext()->setContextProperty("isAndroid", isAndroid);
      engine.rootContext()->setContextProperty("isOpenGL", isOpenGL);
      engine.rootContext()->setContextProperty("isTails", isTails);
  
      engine.rootContext()->setContextProperty("screenAvailableWidth", screenAvailableSize.width());
      engine.rootContext()->setContextProperty("screenAvailableHeight", screenAvailableSize.height());
  
  #ifndef Q_OS_IOS
      const QString desktopFolder = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
      if (!desktopFolder.isEmpty())
          engine.rootContext()->setContextProperty("desktopFolder", desktopFolder);
  #endif
  
      // Get default account name
      QString accountName = qgetenv("USER"); // mac/linux
      if (accountName.isEmpty())
          accountName = qgetenv("USERNAME"); // Windows
      if (accountName.isEmpty())
          accountName = "My monero Account";
  
      engine.rootContext()->setContextProperty("defaultAccountName", accountName);
      engine.rootContext()->setContextProperty("homePath", QDir::homePath());
      engine.rootContext()->setContextProperty("applicationDirectory", QApplication::applicationDirPath());
      engine.rootContext()->setContextProperty("idealThreadCount", QThread::idealThreadCount());
      engine.rootContext()->setContextProperty("disableCheckUpdatesFlag", parser.isSet(disableCheckUpdatesOption));
      engine.rootContext()->setContextProperty("socksProxyFlag", parser.value(socksProxyOption));
      engine.rootContext()->setContextProperty("socksProxyFlagSet", parser.isSet(socksProxyOption));
  
      bool builtWithScanner = false;
  #ifdef WITH_SCANNER
      builtWithScanner = true;
  #endif
      engine.rootContext()->setContextProperty("builtWithScanner", builtWithScanner);
  
      engine.rootContext()->setContextProperty("moneroVersion", MONERO_VERSION_FULL);
  
      // Load main window (context properties needs to be defined obove this line)
      engine.load(QUrl(QStringLiteral("qrc:///main.qml")));
      if (engine.rootObjects().isEmpty())
      {
          qCritical() << "Error: no root objects";
          return 1;
      }
      QObject *rootObject = engine.rootObjects().first();
      if (!rootObject)
      {
          qCritical() << "Error: no root objects";
          return 1;
      }
  
      // QML loaded successfully.
      if (parser.isSet(testQmlOption))
          return 0;
  
  #ifdef WITH_SCANNER
      QObject *qmlCamera = rootObject->findChild<QObject*>("qrCameraQML");
      if (qmlCamera)
      {
          qWarning() << "QrCodeScanner : object found";
          QCamera *camera_ = qvariant_cast<QCamera*>(qmlCamera->property("mediaObject"));
          QObject *qmlFinder = rootObject->findChild<QObject*>("QrFinder");
          qobject_cast<QrCodeScanner*>(qmlFinder)->setSource(camera_);
      }
      else
          qCritical() << "QrCodeScanner : something went wrong !";
  #endif
  
      QObject::connect(eventFilter, SIGNAL(sequencePressed(QVariant,QVariant)), rootObject, SLOT(sequencePressed(QVariant,QVariant)));
      QObject::connect(eventFilter, SIGNAL(sequenceReleased(QVariant,QVariant)), rootObject, SLOT(sequenceReleased(QVariant,QVariant)));
      QObject::connect(eventFilter, SIGNAL(mousePressed(QVariant,QVariant,QVariant)), rootObject, SLOT(mousePressed(QVariant,QVariant,QVariant)));
      QObject::connect(eventFilter, SIGNAL(mouseReleased(QVariant,QVariant,QVariant)), rootObject, SLOT(mouseReleased(QVariant,QVariant,QVariant)));
      QObject::connect(eventFilter, SIGNAL(userActivity()), rootObject, SLOT(userActivity()));
      QObject::connect(eventFilter, SIGNAL(uriHandler(QUrl)), ipc, SLOT(parseCommand(QUrl)));
      return app.exec();
  }
  