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nix-config/home/linux/gui/base/eye-protection.nix
2025-06-01 19:33:11 +08:00

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{
pkgs,
lib,
...
}: {
# Adjust the color temperature(& brightness) of your screen according to
# your surroundings. This may help your eyes hurt less if you are
# working in front of the screen at night.
#
# works fine with both x11 & wayland(hyprland)
#
# https://gitlab.com/chinstrap/gammastep
services.gammastep = {
enable = true;
# add a gammastep icon in the system tray
# has problem with wayland, so disable it
tray = false;
temperature = {
day = 6000;
night = 4500;
};
# https://gitlab.com/chinstrap/gammastep/-/blob/master/gammastep.conf.sample?ref_type=heads
settings = {
general = {
fade = "1"; # gradually apply the new screen temperature/brightness over a couple of seconds.
# it is a fake brightness adjustment obtained by manipulating the gamma ramps,
# which means that it does not reduce the backlight of the screen.
# Preferably only use it if your normal backlight adjustment is too coarse-grained.
#
# brightness-day = "1.3";
# brightness-night = "1";
location-provider = "manual";
# by default, Redshift will use the current elevation of the sun
# to determine whether it is daytime, night or in transition (dawn/dusk).
# dawn-time = "6:00-8:45";
# dusk-time = "18:35-20:15";
};
manual = {
# China, Shenzhen
lat = "22.5"; # latitude
lon = "114.1"; # longitude
};
};
};
}