[ feature request ] add action button to take screen shot

[Ammar-A7med]

add action button to take screen shot some times while I study I only have access to my mouse and it take time to switch my set to access keyboard
so you can pls add button to take screen shot
and thx for great effort

[tomasklaen]

You can add any command into controls bar, that's the whole point of it. Read the documentation in uosc.conf.