Feature Request: Battery Indicator

[christophergeiger3]

I did some digging around and I found the file /sys/class/power_supply/BAT0/uevent on my laptop. The file displays battery info, such as the current power status and whether the laptop is charging or not.

It would be cool to parse this file, or some similar file, then draw the battery info onto the lockscreen.

[PandorasFox]

The main problem is that the path to the file can depend on the kernel/hardware/etc.

I think it might be useful to build a generalized way to just read a file --> output that as a text widget, but the main problem I can think of is that parsing the battery status/having a cleanly-displayable battery status would be hard without writing the parsing for it.

I've considered this in the past but generally think it wouldn't be worth it since it's a bit difficult to add/maintain new widgets/drawables.

[jakob1379]

You could use something like
BAT=$(ls /sys/class/power_supply/ | grep -m 1 BAT)
batteryPath='/sys/class/power_supply/'$BAT

and read the capacity directly from there.
grep -m 1 makes sure it only returns the first argument.

[PandorasFox]

That would work for scripts passing the battery path, but there's still several problems with writing this into i3lock as it exists / setting hooks to refresh the text buffer / etc. This is something I'd do with/after #78.

Ideally each text object would just be a file path, refresh rate, offset/length to read, error text, color, positioning, font, etc.

[PandorasFox]

Rework plans are scrapped - this won't be implemented.

[florentin-soubrand]

Is this feature re-scheduled or is it really a non subject ?

[JezerM]

As it's been said before, it won't be implemented, and I don't think it will ever.

Therefore, if you want to have a battery indicator, you could either use EWW widgets on top of i3lock or a login manager as a lock screen.

[Raymo111]

Can confirm this won't be a feature anytime soon.