main.cpp 范例文件

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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)
{
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    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();
}