nixos/system/desktop.nix

{ pkgs, username, ... }:
{
  home-manager.users.${username}.imports = [ ./home/desktop.nix ];
  nixpkgs.config.chromium.commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
  hardware.bluetooth.enable = true;
  environment = {
    sessionVariables = {
      NIXOS_OZONE_WL = "1";
      QT_QPA_PLATFORM = "wayland";
      GRIM_DEFAULT_DIR = "$HOME/Pictures/Screenshots";
    };
    systemPackages = with pkgs; [
      libsecret
      libnotify
      xdg-utils
      hunspell
      hunspellDicts.en_GB-large
    ];
  };
  security = {
    polkit.enable = true;
    pam.loginLimits = [
      {
        domain = "@users";
        item = "rtprio";
        type = "-";
        value = 1;
      }
    ];
  };
  programs = {
    dconf.enable = true;
    noisetorch.enable = true;
    kdeconnect.enable = true;
    file-roller.enable = true;
    thunar = {
      enable = true;
      plugins = with pkgs.xfce; [
        thunar-archive-plugin
        thunar-volman
      ];
    };
    sway.enable = true;
    xwayland.enable = true;
  };
  gtk.iconCache.enable = true;
  services = {
    dbus.packages = [ pkgs.gcr ];
    flatpak.enable = true;
    printing.enable = true;
    tumbler.enable = true;
    udisks2.enable = true;
    gvfs = {
      enable = true;
      package = pkgs.gnome3.gvfs;
    };
    pipewire = {
      enable = true;
      pulse.enable = true;
      alsa = {
        enable = true;
        support32Bit = true;
      };
    };
    greetd = {
      enable = true;
      settings =
        let
          default_session.command = "sway";
        in
        {
          inherit default_session;
          initial_session = {
            inherit (default_session) command;
            user = username;
          };
        };
    };
    xserver = {
      enable = true;
      xkb = {
        layout = "gb";
        variant = "";
        options = "ctrl:nocaps";
      };
    };
  };
  qt = {
    enable = true;
    style = "adwaita";
    platformTheme = "gnome";
  };
  xdg.portal = {
    enable = true;
    config.common.default = "*"; # TODO change for xdg-desktop-portal > 1.17 changes
    extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
  };
}