nixos-configs/modules/desktop/desktop-environment/dolphin.nix

{
  config,
  pkgs,
  ...
}: let
  inherit (config.vars) mainUser;
in {
  environment.systemPackages = with pkgs; [
    plasma5Packages.kio-admin
  ];

  # To make it work with firefox
  # https://www.reddit.com/r/NixOS/comments/xtoubc/comment/koxxr3e/?utm_source=share&utm_medium=web2x&context=3
  systemd.user.services.plasma-dolphin = {
    unitConfig = {
      Description = "Dolphin file manager";
      PartOf = ["graphical-session.target"];
    };
    path = ["/run/current-system/sw"];
    environment.QT_QPA_PLATFORM = "wayland";
    serviceConfig = {
      Type = "dbus";
      BusName = "org.freedesktop.FileManager1";
      ExecStart = "${pkgs.dolphin}/bin/dolphin";
    };
  };

  home-manager.users.${mainUser}.home.packages = with pkgs;
    []
    ++ (with plasma5Packages; [
      ark
      kcharselect
      kdenlive
      okular

      # Dolphin & co
      dolphin
      dolphin-plugins
      kdegraphics-thumbnailers
      ffmpegthumbs
      kio
      kio-admin # needs to be both here and in system pkgs
      kio-extras
      kmime
    ])
    ++ (with gnome; [
      gnome-calculator
    ]);
}