main.cpp

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QSurfaceFormat>
#include <QQuickStyle>

int main(int argc, char *argv[])
{
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);

    QGuiApplication app(argc, argv);

//    // enable antialiasing on QML Shapes
//    QSurfaceFormat format;
//    format.setSamples(8);
//    QSurfaceFormat::setDefaultFormat(format);


    QQmlApplicationEngine engine;
    const QUrl url(QStringLiteral("qrc:/main.qml"));
//    QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
//                     &app, [url](QObject *obj, const QUrl &objUrl) {
//        if (!obj && url == objUrl)
//            QCoreApplication::exit(-1);
//    }, Qt::QueuedConnection);

    QQuickStyle::setStyle("Material");

    engine.load(url);

    return app.exec();
}