/* Kaleidoscope - Firmware for computer input devices
 * Copyright (C) 2013-2018  Keyboard.io, Inc.
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <stdint.h>

#include "kaleidoscope_internal/deprecations.h"

static const uint8_t LAYER_OP_OFFSET = 42;
static const uint8_t LAYER_SHIFT_OFFSET = LAYER_OP_OFFSET;
static const uint8_t LAYER_MOVE_OFFSET = LAYER_SHIFT_OFFSET + LAYER_OP_OFFSET;;

#define KEYMAP_0     0
#define KEYMAP_1     1
#define KEYMAP_2     2
#define KEYMAP_3     3
#define KEYMAP_4     4
#define KEYMAP_5     5
#define KEYMAP_6     6
#define KEYMAP_7     7


#define KEYMAP_PREVIOUS  33
#define KEYMAP_NEXT      34


#define Key_Keymap0 Key(KEYMAP_0, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap1 Key(KEYMAP_1, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap2 Key(KEYMAP_2, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap3 Key(KEYMAP_3, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap4 Key(KEYMAP_4, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap5 Key(KEYMAP_5, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap0_Momentary Key(KEYMAP_0 + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap1_Momentary Key(KEYMAP_1 + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap2_Momentary Key(KEYMAP_2 + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap3_Momentary Key(KEYMAP_3 + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap4_Momentary Key(KEYMAP_4 + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_Keymap5_Momentary Key(KEYMAP_5 + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)

#define Key_KeymapNext_Momentary Key(KEYMAP_NEXT + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define Key_KeymapPrevious_Momentary Key(KEYMAP_PREVIOUS + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)


/** Lock/Unlock layer `n`.
 *
 * When locking a layer, it will remain active until unlocked explicitly. `n`
 * can be a number, or an enum value declared previously.
 */
#define LockLayer(n) Key(n, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)
#define UnlockLayer(n) LockLayer(n)

/** Temporarily shift to layer `n`.
 *
 * Shifts to layer `n` for as long as the key is held. When the key is
 * released, the layer shifts back too. `n` can be a number, or an enum
 * value declared previously.
 */
#define ShiftToLayer(n) Key(n + LAYER_SHIFT_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)

/** Move to layer `n`.
 *
 * Moving to a layer disables all other layers. Unlike locking and shifting to,
 * this is a one-way operation.
 */
#define MoveToLayer(n) Key(n + LAYER_MOVE_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP)