void MainWindow::on_actionLayoutPlaylist_triggered()
{
    restoreState(Settings.windowStateDefault());
    m_recentDock->show();
    m_recentDock->raise();
    m_playlistDock->show();
    m_playlistDock->raise();
}
void MainWindow::on_actionLayoutPlaylist_triggered()
{
    restoreState(Settings.windowStateDefault());
    m_recentDock->show();
    m_recentDock->raise();
    m_playlistDock->show();
    m_playlistDock->raise();
}