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path: root/modules/services/unclutter.nix
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{ config, lib, pkgs, ... }:

with lib;

let cfg = config.services.unclutter;

in {
  options.services.unclutter = {

    enable = mkEnableOption "unclutter";

    package = mkOption {
      description = "unclutter derivation to use.";
      type = types.package;
      default = pkgs.unclutter-xfixes;
      defaultText = literalExample "pkgs.unclutter-xfixes";
    };

    timeout = mkOption {
      description = "Number of seconds before the cursor is marked inactive.";
      type = types.int;
      default = 1;
    };

    threshold = mkOption {
      description = "Minimum number of pixels considered cursor movement.";
      type = types.int;
      default = 1;
    };

    extraOptions = mkOption {
      description = "More arguments to pass to the unclutter command.";
      type = types.listOf types.str;
      default = [ ];
      example = [ "exclude-root" "ignore-scrolling" ];
    };
  };

  config = mkIf cfg.enable {
    systemd.user.services.unclutter = {
      Unit = {
        Description = "unclutter";
        After = [ "graphical-session-pre.target" ];
        PartOf = [ "graphical-session.target" ];
      };

      Service = {
        ExecStart = ''
          ${cfg.package}/bin/unclutter \
            --timeout ${toString cfg.timeout} \
            --jitter ${toString (cfg.threshold - 1)} \
            ${concatMapStrings (x: " --${x}") cfg.extraOptions}
        '';
        RestartSec = 3;
        Restart = "always";
      };

      Install = { WantedBy = [ "graphical-session.target" ]; };
    };
  };
}