https://gnutuxblog.wordpress.com/2017/10/26/%d8%aa%d8%ab%d8%a8%d9%8a%d8%aa-xfpanel-switch-%d8%b9%d9%84%d9%89-%d8%af%d9%8a%d8%a8%d9%8a%d8%a7%d9%86/