nixos/desktop/xfce.nix

{pkgs, ...}: {
  imports = [./sddm.nix];
  services.xserver = {
    enable = true;
    desktopManager.xfce.enable = true;
    displayManager = {
      defaultSession = "xfce";
      sessionCommands = ''
        [ -f "$HOME/.config/nitrogen/bg-saved.cfg" ]\
          && ${pkgs.nitrogen}/bin/nitrogen --restore\
          || ${pkgs.nitrogen}/bin/nitrogen --set-auto $HOME/.dotfiles/wallpaper/images_dark/5120x2880.png --save
      '';
    };
  };
  programs.i3lock = {
    enable = true;
    package = pkgs.i3lock-fancy;
  };
}