nixos/services/desktop.nix

{ config, lib, fn, pkgs, ... }:

with lib;

let
  cfg = config.machine;
  desktopFiles = fn.lst { p = (toString ./desktop); b = true; };
in {
  imports = desktopFiles;
} // mkIf (elem "desktop" cfg.services) {
  services.gvfs.enable = true;
  services.xserver = {
    layout = "de";
    libinput = {
      enable = true;
      touchpad = {
        tapping = true;
        disableWhileTyping = false;
        naturalScrolling = false;
        horizontalScrolling = true;
      };
    };
  };
  services.udev.extraRules = ''
    ACTION=="add", SUBSYSTEM=="backlight", RUN+="${pkgs.coreutils}/bin/chgrp video /sys/class/backlight/%k/brightness"
    ACTION=="add", SUBSYSTEM=="backlight", RUN+="${pkgs.coreutils}/bin/chmod 664 /sys/class/backlight/%k/brightness"
  '';
}