nixos-config/config/programs/sway.nix

{ config, pkgs, lib, ... }: {
  wayland.windowManager.sway = {
    enable = true;
    config = {
      modifier = "Mod4";
      input = {
        "*" = {
          xkb_layout = "de,de";
          xkb_variant = "neo_qwertz,neo";
          xkb_options = "grp:ctrls_toggle";
        };
      };
      output = {
        "DP-1" = {
          mode = "2560x1440@74.971Hz";
          position = "0 0";
          subpixel = "rgb";
          adaptive_sync = "on";
        };
        "HDMI-A-1" = {
          mode = "1920x1080@60Hz";
          position = "2560 0";
          subpixel = "rgb";
        };
      };
      keybindings =
        let
          modifier = config.wayland.windowManager.sway.config.modifier;
        in
        lib.mkOptionDefault {
          "${modifier}+Return" = "exec ${pkgs.alacritty}/bin/alacritty";
          "${modifier}+d" = "exec ${pkgs.wofi}/bin/wofi --show drun";
        };
      bars = [
        {
          command = "${pkgs.waybar}/bin/waybar";
        }
      ];
    };
    wrapperFeatures.gtk = true;
  };
}