qt-everywhere-src-5.15.1/qtdeclarative/tests/manual/pointer/main.cpp

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** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of the manual tests of the Qt Toolkit.
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#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQuickItem>
#include <QQuickWindow>
#include "inputinspector.h"

int main(int argc, char *argv[])
{
    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QGuiApplication app(argc, argv);
    qmlRegisterType<InputInspector>("org.qtproject.Test", 1, 0, "InputInspector");

    QQmlApplicationEngine engine;
    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
    if (engine.rootObjects().isEmpty())
        return -1;
    if (!app.arguments().isEmpty()) {
        QQuickWindow * win = static_cast<QQuickWindow *>(engine.rootObjects().first());
        auto lastArg = app.arguments().last();
        if (lastArg.endsWith(QLatin1String(".qml"))) {
            auto root = win->findChild<QQuickItem *>("LauncherList");
            int showExampleIdx = -1;
            for (int i = root->metaObject()->methodCount(); showExampleIdx < 0 && i >= 0; --i)
                if (root->metaObject()->method(i).name() == QByteArray("showExample"))
                    showExampleIdx = i;
            QMetaMethod showExampleFn = root->metaObject()->method(showExampleIdx);
            showExampleFn.invoke(root, Q_ARG(QVariant, QVariant(QLatin1String("../../") + lastArg)));
        }
    }

    return app.exec();
}