nichts/modules/gui/WM/hyprland.nix

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

with lib;
let 
  cfg = config.modules.WM.hyprland;
  username = config.modules.other.system.username;
  monitors = config.modules.other.system.monitors;
in
{
  options.modules.WM.hyprland = {
    enable = mkEnableOption "hyprland";
    gnome-keyring = mkEnableOption "gnome-keyring";
  };


  config = mkIf cfg.enable {
    programs.xwayland.enable = true;
    programs.hyprland = {
      	enable = true;
    };
  services.gnome.gnome-keyring.enable = cfg.gnome-keyring;
  systemd.user.services.polkit-gnome-authentication-agent-1 = mkIf cfg.gnome-keyring {
    description = "polkit-gnome-authentication-agent-1";
    wantedBy = [ "graphical-session.target" ];
    wants = [ "graphical-session.target" ];
    after = [ "graphical-session.target" ];
    serviceConfig = {
        Type = "simple";
        ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
        Restart = "on-failure";
        RestartSec = 1;
        TimeoutStopSec = 10;
    };
  };

  home-manager.users.${username} = {
    home.packages = with pkgs; [ 
      bluetuith
      brightnessctl
      # needed for wayland copy / paste support in neovim
      wl-clipboard
    ];

    wayland.windowManager.hyprland = {
      enable = true;
      systemd.enable = true;
      xwayland.enable = true;
      settings = {
        exec-once = (if cfg.gnome-keyring then 
          ["${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1"]
        else []);
        monitor = map (
          m: "${m.device},${builtins.toString m.resolution.x}x${builtins.toString m.resolution.y}@${builtins.toString m.refresh_rate},${builtins.toString m.position.x}x${builtins.toString m.position.y},${builtins.toString m.scale},transform,${builtins.toString m.transform}"
        ) monitors; #TODO: default value
      };
    };
  };
  };
}