configuration.nix

    xserver = {
      enable = true;
      autorun = false;
      dpi = 200;
      libinput = {
        enable = true;
        naturalScrolling = true;
      };
      multitouch = {
        enable = true;
        invertScroll = true;
      };
      useGlamor = true;
      # videoDrivers = [ "intel" "modesetting" "nvidia" ];
      wacom.enable = true;
      windowManager.i3 = {
        enable = true;
        package = pkgs.i3-gaps;
        extraPackages = with pkgs; [
          alacritty
          dunst
          i3lock
          light
          polybarFull
          scrot
          xclip
          xorg.xset
          xsel
        ];
        extraSessionCommands = ''
          unset QT_QPA_PLATFORM
          unset QT_WAYLAND_FORCE_DPI
          unset QT_WAYLAND_DISABLE_WINDOWDECORATION
          unset _JAVA_AWT_WM_NONREPARENTING
          unset ECORE_EVAS_ENGINE
          unset ELM_ENGINE
          unset SDL_VIDEODRIVER
          unset MOZ_ENABLE_WAYLAND
        '';
      };
      xautolock = rec {
        enable = true;
        enableNotifier = true;
        extraOptions = [ "-lockaftersleep" "-secure" ];
        killer = "${pkgs.xorg.xset}/bin/xset dpms force off";
        killtime = 10;
        locker =
          "${pkgs.i3lock}/bin/i3lock -i ~/pictures/walls/clouds.jpg -e -f";
        notifier =
          ''${pkgs.libnotify}/bin/notify-send "Locking in 30 seconds"'';
        notify = 30;
        nowlocker = locker;
        time = 5;
      };
    };
  };