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43 lines
1.4 KiB
Nix
43 lines
1.4 KiB
Nix
# Turn the keyboard red/off when the battery is low
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# Include this one only if you have a omen laptop with RGB keyboard
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{
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pkgs,
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config,
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...
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}: let
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alert-when-low-battery = false;
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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 ${config.lib.stylix.colors.base0D}
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if [ "${toString alert-when-low-battery}" = "false" ]; then
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exit 0
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fi
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while true; do
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BATTERY_LEVEL=$(cat /sys/class/power_supply/BAT*/capacity)
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IS_CHARGING=$(cat /sys/class/power_supply/BAT*/status)
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if [[ $BATTERY_LEVEL -le 10 && $IS_CHARGING != "Charging" ]]; 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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