qmk_firmware/users/mguterl/mguterl.h

#pragma once
#include "quantum.h"

#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)

/* Tap for Tab, hold for Hyper (Super+Ctrl+Shift+Alt) */
#define HPR_TAB ALL_T(KC_TAB)

/* Shift when held, Enter when tapped */
#define SFT_ENT MT(MOD_RSFT, KC_ENT)

/* Activate util layer while holding space */
#define SPC_UTL LT(_UTIL, KC_SPC)

/* Control when held, Escape when tapped */
#define ESC_CTL MT(MOD_LCTL, KC_ESC)

/* Toggle gaming layer */
#define TG_GAME TG(_GAMING)

/*
 * Make it easy to navigate back and forward in Chrome.
 */
#define GO_BACK LGUI(KC_LBRC)
#define GO_FWD  LGUI(KC_RBRC)

/*
 * When using a 40% layout, these keycodes make it easy to change tabs in apps
 * like Chrome and VSCode.
 */
#define GUI_1 LGUI(KC_1)
#define GUI_2 LGUI(KC_2)
#define GUI_3 LGUI(KC_3)
#define GUI_4 LGUI(KC_4)
#define GUI_5 LGUI(KC_5)
#define GUI_6 LGUI(KC_6)
#define GUI_7 LGUI(KC_7)
#define GUI_8 LGUI(KC_8)
#define GUI_9 LGUI(KC_9)
#define GUI_0 LGUI(KC_0)

/*
 * Common layers and keycodes that are shared between Planck and Preonic
 */
enum ortho_layers {
  _QWERTY,
  _GAMING,
  _UTIL,
  _COLEMAK,
  _DVORAK,
  _LOWER,
  _RAISE,
  _PLOVER,
  _ADJUST
};

enum ortho_keycodes {
  QWERTY = SAFE_RANGE,
  GAMING,
  UTIL,
  COLEMAK,
  DVORAK,
  PLOVER,
  BACKLIT,
  EXT_PLV
};