Function GuiMain

src/qt/bitcoin.cpp:454–630

}

int GuiMain(int argc, char* argv[])
{
#ifdef WIN32
    util::WinCmdLineArgs winArgs;
    std::tie(argc, argv) = winArgs.get();
#endif

    std::unique_ptr<interfaces::Init> init = interfaces::MakeGuiInit(argc, argv);

    SetupEnvironment();
    util::ThreadSetInternalName("main");

    // Subscribe to global signals from core
    boost::signals2::scoped_connection handler_message_box = ::uiInterface.ThreadSafeMessageBox_connect(noui_ThreadSafeMessageBox);
    boost::signals2::scoped_connection handler_question = ::uiInterface.ThreadSafeQuestion_connect(noui_ThreadSafeQuestion);
    boost::signals2::scoped_connection handler_init_message = ::uiInterface.InitMessage_connect(noui_InitMessage);

    // Do not refer to data directory yet, this can be overridden by Intro::pickDataDirectory

    /// 1. Basic Qt initialization (not dependent on parameters or configuration)
    Q_INIT_RESOURCE(bitcoin);
    Q_INIT_RESOURCE(bitcoin_locale);

    // Generate high-dpi pixmaps
    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);

#if defined(QT_QPA_PLATFORM_ANDROID)
    QApplication::setAttribute(Qt::AA_DontUseNativeMenuBar);
    QApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
    QApplication::setAttribute(Qt::AA_DontUseNativeDialogs);
#endif

    BitcoinApplication app;
    GUIUtil::LoadFont(QStringLiteral(":/fonts/monospace"));

    /// 2. Parse command-line options. We do this after qt in order to show an error if there are problems parsing these
    // Command-line options take precedence:
    SetupServerArgs(gArgs);
    SetupUIArgs(gArgs);
    std::string error;
    if (!gArgs.ParseParameters(argc, argv, error)) {
        InitError(strprintf(Untranslated("Error parsing command line arguments: %s\n"), error));
        // Create a message box, because the gui has neither been created nor has subscribed to core signals
        QMessageBox::critical(nullptr, PACKAGE_NAME,
            // message cannot be translated because translations have not been initialized
            QString::fromStdString("Error parsing command line arguments: %1.").arg(QString::fromStdString(error)));
        return EXIT_FAILURE;
    }

    // Now that the QApplication is setup and we have parsed our parameters, we can set the platform style
    app.setupPlatformStyle();

    /// 3. Application identification
    // must be set before OptionsModel is initialized or translations are loaded,
    // as it is used to locate QSettings
    QApplication::setOrganizationName(QAPP_ORG_NAME);
    QApplication::setOrganizationDomain(QAPP_ORG_DOMAIN);