voidconf/modules/xconfig.nix

{ config, lib, ... }:
with lib;
let
  cfg = config.voidconf.xconfig;
in
{
  options.voidconf.xconfig = {

    enable = mkEnableOption "Enables opinionated xorg config";

    bqn.enable = mkEnableOption "Enables bqn layout";

    touchpad = {
      enableProperConfig = mkEnableOption "Enable the touchpad settings";

      accelProfile = mkOption {
        type = types.enum [
          "flat"
          "adaptive"
        ];
        default = "adaptive";
        example = "flat";
        description = ''
          Usually want this on adaptive.
        '';
      };

    };

    mouse.accelProfile = mkOption {
      type = types.enum [
        "flat"
        "adaptive"
      ];
      default = "flat";
      example = "adaptive";
      description = ''
        Use addaptive on trackball and touchpad; and flat on any normal mouse.
      '';
    };

    lightdm.enable = mkEnableOption "Enables the LightDM display manager and config";
    lightdm.background = mkOption {
      default = ./images/city.png;
      type = types.path;
      description = ''
        Display manager background.
      '';
    };

  };

  config = mkIf cfg.enable {

    services.libinput = {
      mouse = {
        accelProfile = cfg.mouse.accelProfile;
        middleEmulation = false;
      };
      touchpad = mkIf cfg.touchpad.enableProperConfig {
        tapping = false;
        disableWhileTyping = true;
        accelProfile = cfg.touchpad.accelProfile;
      };
    };

    services.xserver = {

      xkb = {
        options = mkIf cfg.bqn.enable "grp:switch";
        layout = (if cfg.bqn.enable then "us,bqn" else "us");
        extraLayouts.bqn = mkIf cfg.bqn.enable {
          description = "BQN layout";
          languages = [ "bqn" ];
          symbolsFile = ./misc/bqn;
        };
      };

      enable = true;
      autoRepeatDelay = 200;
      autoRepeatInterval = 16;
      windowManager = {
        windowmaker.enable = true;
        xmonad = {
          enable = true;
          extraPackages = h: with h; [ xmonad-contrib ];
        };
      };
      displayManager.lightdm = {
        enable = cfg.lightdm.enable;
        greeters.gtk.enable = true;
        background = cfg.lightdm.background;
      };
    };
  };
}