{ lib, config, ... }: let inherit (lib) mkIf; cfg = config.conf.extraLayout; in mkIf cfg.enable { services.xserver.xkb = { layout = "custom,us"; options = "compose:ralt"; extraLayouts."custom" = { description = "custom dvorak-like layout."; languages = ["en"]; symbolsFile = ./custom.xkb; }; }; console.useXkbConfig = true; }