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https://github.com/tbrugere/yabd
This is a simple (~300 lines of python) daemon that sets the brightness of the screen depending on ambient brightness. It was developed for my framework laptop on wayland / sway, but it should work with any system that
uses systemd/dbus (with systemd-logind)
has an ambient light sensor compatible with iio-sensor-proxy
Features:
Sets brightness depending on ambient brightness sensor
dim screen with a dbus command (for use with swayidle or similar)
optionally ramps brightness up and down smoothly
Uses dbus interfaces systemd-logind (8) (to set brightness) and iio-sensor-proxy. This means it should be compatible with any window system / wayland / tty (though I have only tested it on sway).
Control brightness by hand by interacting with the daemon through commands
Why another daemon for screen brightness?
cause it was fun to code ^^
Handles the specific case of sway (although this should work in a lot more environments)
Pretty simple. Less than 300 lines of code (excluding comments). Most of the complexity of handling devices is offloaded to iio-sensor-proxy and systemd-logind
Opinionated design. It uses a power-law for scaling brightness because it feels nicer, nice ramps between values, commands for dimming the screen for idle managers…
only handles backlight. this isn't built to replace redshift
user/automation can interact with the daemon to dim the screen (for idle config) or to change brightness values.
Last edited by nephanth (2024-07-29 10:00:57)
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