Add vbattery and hbattery prompt items

[jose1711]

Two new items for displaying battery status:

• vbattery: font icons with 11 charge levels, separate charging/discharging icon sets and color alerts for low/critical
• hbattery: block bar with 5 levels using integer bucketing

Both items share common configuration under tide_battery_* (method, thresholds, critical/low colors) while each has its own tide_<item>_bg_color and tide_<item>_color.

Supported backends: upower (default), sysfs, termux.

Description

Motivation and Context

Closes #294

Screenshots (if appropriate)

How Has This Been Tested

Added both items to left prompt items on a laptop running on battery. Verified visually. Tested via littlecheck.py.

• I have tested using Linux.
• I have tested using MacOS.

Checklist

• I am ready to update the wiki accordingly.
• I have updated the tests accordingly.

[jose1711]

This also extends #578 (however lacks percentage which could be added separately)

[Martian-0007]

Perhaps fish could do a toggle in a variable for the percentage display?
If I understood the code correctly, you're already polling for it anyway

Either way, thanks a lot for the work

[jose1711]

Perhaps fish could do a toggle in a variable for the percentage display? If I understood the code correctly, you're already polling for it anyway

Either way, thanks a lot for the work

Thank you. Instead of a toggle I was thinking of adding a separate item (pbattery?). This way user can choose whether he/she wants to see just the icon, numeric value or both.

[Martian-0007]

Wouldn't a separate item also add another separator? I like the combination of icon and value, as it helps with orientation at a glance.

iirc p10k also uses a little clock for time (maybe I just haven't tampered with the config of tide enough to find that yet)