void MainWindow::on_actionPreview540_triggered(bool checked)
{
    if (checked) {
        Settings.setPlayerPreviewScale(540);
        setPreviewScale(540);
        m_player->showIdleStatus();
    }
}
void MainWindow::on_actionPreview540_triggered(bool checked)
{
    if (checked) {
        Settings.setPlayerPreviewScale(540);
        setPreviewScale(540);
        m_player->showIdleStatus();
    }
}