{
  config,
  lib,
  pkgs,
  sources,
  ...
}:
let
  inherit (lib.modules) mkIf;
  inherit (lib.options) mkEnableOption;

  cfg = config.modules.theming.quickshell;
in
{
  options.modules.theming.quickshell.enable = mkEnableOption "quickshell";

  config = mkIf cfg.enable {
    environment.systemPackages = with pkgs; [
      (pkgs.callPackage (sources.quickshell + "/default.nix") { })
      qt6.qtimageformats
      qt6.qt5compat
      qt6.qtmultimedia
      qt6.qtdeclarative
      qt6.qtsvg
      qt6.qtwayland
      qt6.qtbase
      kdePackages.breeze
      kdePackages.breeze-icons
    ];

    # taken from outfoxxed.
    qt.enable = true;
  };
}