qmk_firmware/quantum/action_layer.h

170 lines
5.5 KiB
C

/*
Copyright 2013 Jun Wako <wakojun@gmail.com>
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, either version 2 of the License, or
(at your option) any later version.
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 "keyboard.h"
#include "action.h"
#include "bitwise.h"
#ifdef DYNAMIC_KEYMAP_ENABLE
# ifndef DYNAMIC_KEYMAP_LAYER_COUNT
# define DYNAMIC_KEYMAP_LAYER_COUNT 4
# endif
# define MAX_LAYER DYNAMIC_KEYMAP_LAYER_COUNT
# if DYNAMIC_KEYMAP_LAYER_COUNT <= 8
# ifndef LAYER_STATE_8BIT
# define LAYER_STATE_8BIT
# endif
# elif DYNAMIC_KEYMAP_LAYER_COUNT <= 16
# ifndef LAYER_STATE_16BIT
# define LAYER_STATE_16BIT
# endif
# else
# ifndef LAYER_STATE_32BIT
# define LAYER_STATE_32BIT
# endif
# endif
#endif
#if !defined(LAYER_STATE_8BIT) && !defined(LAYER_STATE_16BIT) && !defined(LAYER_STATE_32BIT)
# define LAYER_STATE_16BIT
#endif
#if defined(LAYER_STATE_8BIT)
typedef uint8_t layer_state_t;
# define MAX_LAYER_BITS 3
# ifndef MAX_LAYER
# define MAX_LAYER 8
# endif
# define get_highest_layer(state) biton(state)
#elif defined(LAYER_STATE_16BIT)
typedef uint16_t layer_state_t;
# define MAX_LAYER_BITS 4
# ifndef MAX_LAYER
# define MAX_LAYER 16
# endif
# define get_highest_layer(state) biton16(state)
#elif defined(LAYER_STATE_32BIT)
typedef uint32_t layer_state_t;
# define MAX_LAYER_BITS 5
# ifndef MAX_LAYER
# define MAX_LAYER 32
# endif
# define get_highest_layer(state) biton32(state)
#else
# error Layer Mask size not specified. HOW?!
#endif
/*
* Default Layer
*/
extern layer_state_t default_layer_state;
void default_layer_debug(void);
void default_layer_set(layer_state_t state);
__attribute__((weak)) layer_state_t default_layer_state_set_kb(layer_state_t state);
__attribute__((weak)) layer_state_t default_layer_state_set_user(layer_state_t state);
#ifndef NO_ACTION_LAYER
/* bitwise operation */
void default_layer_or(layer_state_t state);
void default_layer_and(layer_state_t state);
void default_layer_xor(layer_state_t state);
#else
# define default_layer_or(state)
# define default_layer_and(state)
# define default_layer_xor(state)
#endif
/*
* Keymap Layer
*/
#ifndef NO_ACTION_LAYER
extern layer_state_t layer_state;
void layer_state_set(layer_state_t state);
bool layer_state_is(uint8_t layer);
bool layer_state_cmp(layer_state_t layer1, uint8_t layer2);
void layer_debug(void);
void layer_clear(void);
void layer_move(uint8_t layer);
void layer_on(uint8_t layer);
void layer_off(uint8_t layer);
void layer_invert(uint8_t layer);
/* bitwise operation */
void layer_or(layer_state_t state);
void layer_and(layer_state_t state);
void layer_xor(layer_state_t state);
layer_state_t layer_state_set_user(layer_state_t state);
layer_state_t layer_state_set_kb(layer_state_t state);
/**
* @brief Applies the tri layer to global layer state. Not be used in layer_state_set_(kb|user) functions.
*
* @param layer1 First layer to check for tri layer
* @param layer2 Second layer to check for tri layer
* @param layer3 Layer to activate if both other layers are enabled
*/
void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3);
/**
* @brief Applies the tri layer behavior to supplied layer bitmask, without using layer functions.
*
* @param state Original layer bitmask to check and modify
* @param layer1 First layer to check for tri layer
* @param layer2 Second layer to check for tri layer
* @param layer3 Layer to activate if both other layers are enabled
* @return layer_state_t returns a modified layer bitmask with tri layer modifications applied
*/
layer_state_t update_tri_layer_state(layer_state_t state, uint8_t layer1, uint8_t layer2, uint8_t layer3);
#else
# define layer_state 0
# define layer_state_set(layer)
# define layer_state_is(layer) (layer == 0)
# define layer_state_cmp(state, layer) (state == 0 ? layer == 0 : (state & (layer_state_t)1 << layer) != 0)
# define layer_debug()
# define layer_clear()
# define layer_move(layer) (void)layer
# define layer_on(layer) (void)layer
# define layer_off(layer) (void)layer
# define layer_invert(layer) (void)layer
# define layer_or(state) (void)state
# define layer_and(state) (void)state
# define layer_xor(state) (void)state
# define layer_state_set_kb(state) (void)state
# define layer_state_set_user(state) (void)state
# define update_tri_layer(layer1, layer2, layer3)
# define update_tri_layer_state(state, layer1, layer2, layer3) (void)state
#endif
/* pressed actions cache */
#if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
void update_source_layers_cache(keypos_t key, uint8_t layer);
uint8_t read_source_layers_cache(keypos_t key);
#endif
action_t store_or_get_action(bool pressed, keypos_t key);
/* return the topmost non-transparent layer currently associated with key */
uint8_t layer_switch_get_layer(keypos_t key);
/* return action depending on current layer status */
action_t layer_switch_get_action(keypos_t key);