alexion
ac095ba0e4
Bind XF86MonBrightnessUp/Down to brightnessctl in the repeat-while-held block, mirroring the volume keys. A new brightness module installs brightnessctl's udev rule and adds the user to the video group so the backlight can be dimmed without root.
24 lines
607 B
Nix
24 lines
607 B
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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# Screen backlight control via brightnessctl.
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let
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cfg = config.modules.desktop.brightness;
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user = config.user.name;
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in
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{
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options.modules.desktop.brightness.enable = lib.mkEnableOption "brightnessctl backlight control";
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [ pkgs.brightnessctl ];
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# The udev rule chgrps each backlight's brightness node to `video` and adds
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# group write, so a member can dim the panel without root.
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services.udev.packages = [ pkgs.brightnessctl ];
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users.users.${user}.extraGroups = [ "video" ];
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};
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}
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