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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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#include <QtCore/QCommandLineParser>
#include <QtCore/QTextStream>
#include <QtGui/QGuiApplication>
#include <QtQml/QQmlApplicationEngine>
#include <QtQuick/QQuickItem>
#include <QtCore/QUrlQuery>
#include <QtQml/QQmlContext>
#include <QtQml/qqml.h>
#include <QtQuickControls2/QQuickStyle>
#include <QQuickWindow>

int main(int argc, char *argv[])
{
    qputenv("QT_IM_MODULE", QByteArray("qtvirtualkeyboard"));
    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    QQmlContext *context = engine.rootContext();

    QCommandLineParser parser;
    parser.addPositionalArgument("port", app.translate("main", "port for binding"));
    parser.addPositionalArgument("secret", app.translate("main", "secret for binding"));
    parser.addHelpOption();
    parser.addVersionOption();
    parser.process(app);
    QStringList positionalArguments = parser.positionalArguments();

    if (positionalArguments.length() == 2) {
        int port = positionalArguments.takeFirst().toInt();
        QString secret = positionalArguments.takeFirst();

        QUrl bindingAddress;
        bindingAddress.setScheme(QStringLiteral("ws"));
        bindingAddress.setHost(QStringLiteral("localhost"));
        bindingAddress.setPort(port);
        bindingAddress.setPath(QStringLiteral("/api"));

        QUrlQuery query;
        query.addQueryItem(QStringLiteral("token"), secret);
        bindingAddress.setQuery(query);
        context->setContextProperty(QStringLiteral("bindingAddress"), bindingAddress);
        std::string token = secret.toStdString();

        QVariantMap parameters;
        parameters[QStringLiteral("osm.useragent")] = QStringLiteral("Automotive Grade Linux Navigation");

        engine.addImportPath(QStringLiteral(":/imports"));
        engine.load(QUrl(QStringLiteral("qrc:/mapviewer.qml")));

        QObject *root = engine.rootObjects().first();

        QMetaObject::invokeMethod(root, "initializeProviders",
                                  Q_ARG(QVariant, QVariant::fromValue(parameters)));
    }

    return app.exec();
}