Revision control

++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QGuiApplication>
++ #include <QQmlApplicationEngine>
++ #include <QIcon>
++
++ #include "sqleventdatabase.h"
++
++ int main(int argc, char *argv[])
++ {
++ QGuiApplication app(argc, argv);
++
++ QIcon::setThemeName("eventcalendar");
++
++ QQmlApplicationEngine engine;
++ SqlEventDatabase eventDatabase;
++ engine.setInitialProperties({{ "eventDatabase", QVariant::fromValue(&eventDatabase) }});
++
++ const QUrl url(QStringLiteral("qrc:/eventcalendar.qml"));
++ QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
++ &app, [url](QObject *obj, const QUrl &objUrl) {
++ if (!obj && url == objUrl)
++ QCoreApplication::exit(-1);
++ }, Qt::QueuedConnection);
++ engine.load(url);
++
++ return app.exec();
++ }