voidconf/modules/xconfig.nix

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

    enable = mkEnableOption "Enables opinionated xorg config";

    bqn.enable = mkEnableOption "Enables bqn layout";

    touchpad.enableProperConfig = mkEnableOption "Enable the only correct touchpad settings";

    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.xserver = {

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

      enable = true;
      autoRepeatDelay = 250;
      autoRepeatInterval = 30;
      windowManager = {
        windowmaker.enable = true;
        xmonad.enable = true;
      };
      displayManager.lightdm = mkIf cfg.lightdm.enable {
        enable = true;
        greeters.gtk.enable = true;
        background = cfg.displayManager.background;
      };
      libinput = {
        mouse = {
          accelProfile = cfg.mouse.accelProfile;
          middleEmulation = false;
        };
        touchpad = mkIf cfg.touchpad.enableProperConfig {
          tapping = false;
          disableWhileTyping = true;
        };
      };
    };
  };
}