// grabToImage runs in a separate thread
        QSharedPointer<QQuickItemGrabResult> grabResult = m_target->grabToImage();
        connect(grabResult.data(), &QQuickItemGrabResult::ready, [this, grabResult] {
            QFuture<QString> f = QtConcurrent::run(saveScreenshot, m_appId, grabResult);
            QFutureWatcher<QString> *watcher = new QFutureWatcher<QString>();
            watcher->setFuture(f);
            connect(watcher, &QFutureWatcher<QString>::finished, [this, watcher] {
                setPath(watcher->future().result());
                watcher->deleteLater();
            });
        });