nixos/system/desktop.nix

{ pkgs, username, ... }:
{
  home-manager.users.${username}.imports = [ ./home/desktop.nix ];
  nixpkgs.config.chromium.commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
  system.autoUpgrade.operation = "boot";
  hardware.bluetooth.enable = true;
  environment = {
    plasma6.excludePackages = [ pkgs.kdePackages.plasma-browser-integration ];
    sessionVariables = {
      NIXOS_OZONE_WL = "1";
      QT_QPA_PLATFORM = "wayland";
    };
    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;
    gamescope = {
      enable = true;
      capSysNice = true;
    };
    xwayland.enable = true;
  };
  gtk.iconCache.enable = true;
  services = {
    flatpak.enable = true;
    printing.enable = true;
    pipewire = {
      enable = true;
      pulse.enable = true;
      alsa = {
        enable = true;
        support32Bit = true;
      };
    };
    displayManager.sddm = {
      enable = true;
      wayland.enable = true;
    };
    desktopManager.plasma6 = {
      enable = true;
      enableQt5Integration = true;
    };
    xserver = {
      enable = true;
      xkb = {
        layout = "gb";
        variant = "";
        options = "ctrl:nocaps";
      };
    };
  };
}