int main(int argc, char *argv[])
{
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
	QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif

	QGuiApplication app(argc, argv);
	QmlCBridge c_app;

	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);
	engine.load(url);

	QQmlContext *root = engine.rootContext();
	root->setContextProperty("app", &c_app);

	QObject *component = engine.rootObjects().first();
	c_app.setComponent(component);

	WId window = qobject_cast<QWindow*>(component)->winId();
	Display *display = QX11Info::display();

	// make window visible on all desktops
	unsigned long data = 0xffffffff; // all desktop
	XChangeProperty (display, window,
					 XInternAtom(display, "_NET_WM_DESKTOP", False),
					 XA_CARDINAL,
					 32,
					 PropModeReplace,
					 reinterpret_cast<unsigned char *>(&data),
					 1);

	// make window pass-through
	XRectangle rect;
	XserverRegion region = XFixesCreateRegion(display, &rect, 1);
	XFixesSetWindowShapeRegion(display, window, ShapeInput, 0, 0, region);
	XFixesSetWindowShapeRegion (display, window, ShapeBounding, 0, 0, 0);
	XFixesDestroyRegion(display, region);

	XMapWindow(display, window);
	XFlush(display);

	int status = app.exec();
	return status;
}