Chromium in kiosk mode: autodetect screen resolution

[fermino]

I noticed that in order to use the full screen the user needs to set the resolution for chromium in dietpi.txt, otherwise it defaults to 1280x720. The resolution can be detected with the following snippet. I think it would be nice to add it as a default, keeping the possibility to override it if needed.

root@jukebox:~# su - dietpi -c 'xdpyinfo -display :0' | grep dimensions | grep -oE '[0-9]+x[0-9]+ pixels' | sed -E 's/([0-9]+)x([0-9]+) pixels/\1 \2/g'
1920 1080

I can make the patches but before getting to work I wanted to share the idea and get the approval :)

I still need to test it with multiple monitors, as that might generate some issues, but for the general use case I think it will be fine.

PS: thanks for creating and maintaining the project. It's awesome :)

[MichaIng]

A good idea to autodetect the resolution in case it is not explicitly set. Also makes sense to use an "auto" setting for the dietpi.txt setting(s) by default.