{ pkgs, ... }: { # Map CapsLock to Esc on single press and Ctrl on when used with multiple keys. services.interception-tools = { enable = true; plugins = [ pkgs.interception-tools-plugins.caps2esc ]; udevmonConfig = builtins.toJSON [{ JOB = "${pkgs.interception-tools}/bin/intercept -g $DEVNODE | ${pkgs.interception-tools-plugins.caps2esc}/bin/caps2esc | ${pkgs.interception-tools}/bin/uinput -d $DEVNODE"; DEVICE.EVENTS.EV_KEY = [ "KEY_CAPSLOCK" "KEY_ESC" ]; }]; }; }