- Qt 5.5
- Qt WebEngine
- WebEngine Quick Nano Browser
- main.cpp Example File
- Qt 5.5.1 Reference Documentation

# main.cpp Example File

quicknanobrowser/main.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the QtWebEngine module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
    ** Software or, alternatively, in accordance with the terms contained in
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    ** information use the contact form at http://www.qt.io/contact-us.
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    ** GNU Lesser General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU Lesser
    ** General Public License version 2.1 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.LGPL included in the
    ** packaging of this file. Please review the following information to
    ** ensure the GNU Lesser General Public License version 2.1 requirements
    ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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    ** rights. These rights are described in The Qt Company LGPL Exception
    ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
    **
    ** GNU General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU
    ** General Public License version 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Please review the following information to
    ** ensure the GNU General Public License version 3.0 requirements will be
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    #include "utils.h"

    #ifndef QT_NO_WIDGETS
    #include <QtWidgets/QApplication>
    typedef QApplication Application;
    #else
    #include <QtGui/QGuiApplication>
    typedef QGuiApplication Application;
    #endif
    #include <QtQml/QQmlApplicationEngine>
    #include <QtQml/QQmlContext>
    #include <QtWebEngine/qtwebengineglobal.h>

    static QUrl startupUrl()
    {
        QUrl ret;
        QStringList args(qApp->arguments());
        args.takeFirst();
        Q_FOREACH (const QString& arg, args) {
            if (arg.startsWith(QLatin1Char('-')))
                 continue;
            ret = Utils::fromUserInput(arg);
            if (ret.isValid())
                return ret;
        }
        return QUrl(QStringLiteral("http://qt.io/"));
    }

    int main(int argc, char **argv)
    {
        Application app(argc, argv);

        QtWebEngine::initialize();

        QQmlApplicationEngine appEngine;
        Utils utils;
        appEngine.rootContext()->setContextProperty("utils", &utils);
        appEngine.load(QUrl("qrc:/ApplicationRoot.qml"));
        QMetaObject::invokeMethod(appEngine.rootObjects().first(), "load", Q_ARG(QVariant, startupUrl()));

        return app.exec();
    }