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34 lines
1.1 KiB
Nix
34 lines
1.1 KiB
Nix
# Turn the keyboard red/off when the battery is low
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{ pkgs, config, ... }:
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let
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keyboard-backlight = pkgs.writeShellScriptBin "keyboard-backlight" ''
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function set_keyboard_backlight {
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local color=$1
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echo $color > /sys/devices/platform/hp-wmi/rgb_zones/zone00
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echo $color > /sys/devices/platform/hp-wmi/rgb_zones/zone01
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echo $color > /sys/devices/platform/hp-wmi/rgb_zones/zone02
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echo $color > /sys/devices/platform/hp-wmi/rgb_zones/zone03
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}
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state="white"
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set_keyboard_backlight ${config.lib.stylix.colors.base0D}
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while true; do
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BATTERY_LEVEL=$(cat /sys/class/power_supply/BAT*/capacity)
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if [[ $BATTERY_LEVEL -le 10 ]]; then
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if [[ $state == "red" ]];then
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state="white"
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set_keyboard_backlight "000000"
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else
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state="red"
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set_keyboard_backlight "FF0000"
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fi
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else
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state="white"
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set_keyboard_backlight ${config.lib.stylix.colors.base0D}
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fi
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sleep 2
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done
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'';
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command = "bash ${keyboard-backlight}/bin/keyboard-backlight &";
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in { wayland.windowManager.hyprland.settings.exec-once = [ command ]; }
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