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Thiago Alves 74e97eefd7 Adds oneshot layer and oneshot tap toggling ()
This commit is mostly a cherry-pick from `ahtn` at
https://github.com/tmk/tmk_keyboard/pull/255.

These are the changes:

* Adds ACTION_LAYER_ONESHOT
* Adds ONESHOT_TAP_TOGGLE
* Mentions sticky keys in the docs on oneshot.
2016-05-05 21:41:37 -04:00

691 lines
23 KiB
C

/*
Copyright 2012,2013 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/>.
*/
#include "host.h"
#include "keycode.h"
#include "keyboard.h"
#include "mousekey.h"
#include "command.h"
#include "led.h"
#include "backlight.h"
#include "action_layer.h"
#include "action_tapping.h"
#include "action_macro.h"
#include "action_util.h"
#include "action.h"
#ifdef DEBUG_ACTION
#include "debug.h"
#else
#include "nodebug.h"
#endif
void action_exec(keyevent_t event)
{
if (!IS_NOEVENT(event)) {
dprint("\n---- action_exec: start -----\n");
dprint("EVENT: "); debug_event(event); dprintln();
}
keyrecord_t record = { .event = event };
#ifndef NO_ACTION_TAPPING
action_tapping_process(record);
#else
process_action(&record);
if (!IS_NOEVENT(record.event)) {
dprint("processed: "); debug_record(record); dprintln();
}
#endif
}
#if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
bool disable_action_cache = false;
void process_action_nocache(keyrecord_t *record)
{
disable_action_cache = true;
process_action(record);
disable_action_cache = false;
}
#else
void process_action_nocache(keyrecord_t *record)
{
process_action(record);
}
#endif
__attribute__ ((weak))
void process_action_kb(keyrecord_t *record) {}
void process_action(keyrecord_t *record)
{
bool do_release_oneshot = false;
keyevent_t event = record->event;
#ifndef NO_ACTION_TAPPING
uint8_t tap_count = record->tap.count;
#endif
if (IS_NOEVENT(event)) { return; }
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
if (has_oneshot_layer_timed_out()) {
dprintf("Oneshot layer: timeout\n");
clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
}
#endif
process_action_kb(record);
action_t action = store_or_get_action(event.pressed, event.key);
dprint("ACTION: "); debug_action(action);
#ifndef NO_ACTION_LAYER
dprint(" layer_state: "); layer_debug();
dprint(" default_layer_state: "); default_layer_debug();
#endif
dprintln();
if (event.pressed) {
// clear the potential weak mods left by previously pressed keys
clear_weak_mods();
}
#ifndef NO_ACTION_ONESHOT
// notice we only clear the one shot layer if the pressed key is not a modifier.
if (is_oneshot_layer_active() && event.pressed && !IS_MOD(action.key.code)) {
clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
do_release_oneshot = !is_oneshot_layer_active();
}
#endif
switch (action.kind.id) {
/* Key and Mods */
case ACT_LMODS:
case ACT_RMODS:
{
uint8_t mods = (action.kind.id == ACT_LMODS) ? action.key.mods :
action.key.mods<<4;
if (event.pressed) {
if (mods) {
if (IS_MOD(action.key.code)) {
// e.g. LSFT(KC_LGUI): we don't want the LSFT to be weak as it would make it useless.
// this also makes LSFT(KC_LGUI) behave exactly the same as LGUI(KC_LSFT)
add_mods(mods);
} else {
add_weak_mods(mods);
}
send_keyboard_report();
}
register_code(action.key.code);
} else {
unregister_code(action.key.code);
if (mods) {
if (IS_MOD(action.key.code)) {
del_mods(mods);
} else {
del_weak_mods(mods);
}
send_keyboard_report();
}
}
}
break;
#ifndef NO_ACTION_TAPPING
case ACT_LMODS_TAP:
case ACT_RMODS_TAP:
{
uint8_t mods = (action.kind.id == ACT_LMODS_TAP) ? action.key.mods :
action.key.mods<<4;
switch (action.layer_tap.code) {
#ifndef NO_ACTION_ONESHOT
case MODS_ONESHOT:
// Oneshot modifier
if (event.pressed) {
if (tap_count == 0) {
dprint("MODS_TAP: Oneshot: 0\n");
register_mods(mods);
} else if (tap_count == 1) {
dprint("MODS_TAP: Oneshot: start\n");
set_oneshot_mods(mods);
#if defined(ONESHOT_TAP_TOGGLE) && ONESHOT_TAP_TOGGLE > 1
} else if (tap_count == ONESHOT_TAP_TOGGLE) {
dprint("MODS_TAP: Toggling oneshot");
clear_oneshot_mods();
set_oneshot_locked_mods(mods);
register_mods(mods);
#endif
} else {
register_mods(mods);
}
} else {
if (tap_count == 0) {
clear_oneshot_mods();
unregister_mods(mods);
} else if (tap_count == 1) {
// Retain Oneshot mods
#if defined(ONESHOT_TAP_TOGGLE) && ONESHOT_TAP_TOGGLE > 1
if (mods & get_mods()) {
clear_oneshot_locked_mods();
clear_oneshot_mods();
unregister_mods(mods);
}
} else if (tap_count == ONESHOT_TAP_TOGGLE) {
// Toggle Oneshot Layer
#endif
} else {
clear_oneshot_mods();
unregister_mods(mods);
}
}
break;
#endif
case MODS_TAP_TOGGLE:
if (event.pressed) {
if (tap_count <= TAPPING_TOGGLE) {
register_mods(mods);
}
} else {
if (tap_count < TAPPING_TOGGLE) {
unregister_mods(mods);
}
}
break;
default:
if (event.pressed) {
if (tap_count > 0) {
#ifndef IGNORE_MOD_TAP_INTERRUPT
if (record->tap.interrupted) {
dprint("mods_tap: tap: cancel: add_mods\n");
// ad hoc: set 0 to cancel tap
record->tap.count = 0;
register_mods(mods);
} else
#endif
{
dprint("MODS_TAP: Tap: register_code\n");
register_code(action.key.code);
}
} else {
dprint("MODS_TAP: No tap: add_mods\n");
register_mods(mods);
}
} else {
if (tap_count > 0) {
dprint("MODS_TAP: Tap: unregister_code\n");
unregister_code(action.key.code);
} else {
dprint("MODS_TAP: No tap: add_mods\n");
unregister_mods(mods);
}
}
break;
}
}
break;
#endif
#ifdef EXTRAKEY_ENABLE
/* other HID usage */
case ACT_USAGE:
switch (action.usage.page) {
case PAGE_SYSTEM:
if (event.pressed) {
host_system_send(action.usage.code);
} else {
host_system_send(0);
}
break;
case PAGE_CONSUMER:
if (event.pressed) {
host_consumer_send(action.usage.code);
} else {
host_consumer_send(0);
}
break;
}
break;
#endif
#ifdef MOUSEKEY_ENABLE
/* Mouse key */
case ACT_MOUSEKEY:
if (event.pressed) {
mousekey_on(action.key.code);
mousekey_send();
} else {
mousekey_off(action.key.code);
mousekey_send();
}
break;
#endif
#ifndef NO_ACTION_LAYER
case ACT_LAYER:
if (action.layer_bitop.on == 0) {
/* Default Layer Bitwise Operation */
if (!event.pressed) {
uint8_t shift = action.layer_bitop.part*4;
uint32_t bits = ((uint32_t)action.layer_bitop.bits)<<shift;
uint32_t mask = (action.layer_bitop.xbit) ? ~(((uint32_t)0xf)<<shift) : 0;
switch (action.layer_bitop.op) {
case OP_BIT_AND: default_layer_and(bits | mask); break;
case OP_BIT_OR: default_layer_or(bits | mask); break;
case OP_BIT_XOR: default_layer_xor(bits | mask); break;
case OP_BIT_SET: default_layer_and(mask); default_layer_or(bits); break;
}
}
} else {
/* Layer Bitwise Operation */
if (event.pressed ? (action.layer_bitop.on & ON_PRESS) :
(action.layer_bitop.on & ON_RELEASE)) {
uint8_t shift = action.layer_bitop.part*4;
uint32_t bits = ((uint32_t)action.layer_bitop.bits)<<shift;
uint32_t mask = (action.layer_bitop.xbit) ? ~(((uint32_t)0xf)<<shift) : 0;
switch (action.layer_bitop.op) {
case OP_BIT_AND: layer_and(bits | mask); break;
case OP_BIT_OR: layer_or(bits | mask); break;
case OP_BIT_XOR: layer_xor(bits | mask); break;
case OP_BIT_SET: layer_and(mask); layer_or(bits); break;
}
}
}
break;
#ifndef NO_ACTION_TAPPING
case ACT_LAYER_TAP:
case ACT_LAYER_TAP_EXT:
switch (action.layer_tap.code) {
case 0xe0 ... 0xef:
/* layer On/Off with modifiers(left only) */
if (event.pressed) {
layer_on(action.layer_tap.val);
register_mods(action.layer_tap.code & 0x0f);
} else {
layer_off(action.layer_tap.val);
unregister_mods(action.layer_tap.code & 0x0f);
}
break;
case OP_TAP_TOGGLE:
/* tap toggle */
if (event.pressed) {
if (tap_count < TAPPING_TOGGLE) {
layer_invert(action.layer_tap.val);
}
} else {
if (tap_count <= TAPPING_TOGGLE) {
layer_invert(action.layer_tap.val);
}
}
break;
case OP_ON_OFF:
event.pressed ? layer_on(action.layer_tap.val) :
layer_off(action.layer_tap.val);
break;
case OP_OFF_ON:
event.pressed ? layer_off(action.layer_tap.val) :
layer_on(action.layer_tap.val);
break;
case OP_SET_CLEAR:
event.pressed ? layer_move(action.layer_tap.val) :
layer_clear();
break;
#ifndef NO_ACTION_ONESHOT
case OP_ONESHOT:
// Oneshot modifier
#if defined(ONESHOT_TAP_TOGGLE) && ONESHOT_TAP_TOGGLE > 1
do_release_oneshot = false;
if (event.pressed) {
del_mods(get_oneshot_locked_mods());
if (get_oneshot_layer_state() == ONESHOT_TOGGLED) {
reset_oneshot_layer();
layer_off(action.layer_tap.val);
break;
} else if (tap_count < ONESHOT_TAP_TOGGLE) {
layer_on(action.layer_tap.val);
set_oneshot_layer(action.layer_tap.val, ONESHOT_START);
}
} else {
add_mods(get_oneshot_locked_mods());
if (tap_count >= ONESHOT_TAP_TOGGLE) {
reset_oneshot_layer();
clear_oneshot_locked_mods();
set_oneshot_layer(action.layer_tap.val, ONESHOT_TOGGLED);
} else {
clear_oneshot_layer_state(ONESHOT_PRESSED);
}
}
#else
if (event.pressed) {
layer_on(action.layer_tap.val);
set_oneshot_layer(action.layer_tap.val, ONESHOT_START);
} else {
clear_oneshot_layer_state(ONESHOT_PRESSED);
if (tap_count > 1) {
clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
}
}
#endif
break;
#endif
default:
/* tap key */
if (event.pressed) {
if (tap_count > 0) {
dprint("KEYMAP_TAP_KEY: Tap: register_code\n");
register_code(action.layer_tap.code);
} else {
dprint("KEYMAP_TAP_KEY: No tap: On on press\n");
layer_on(action.layer_tap.val);
}
} else {
if (tap_count > 0) {
dprint("KEYMAP_TAP_KEY: Tap: unregister_code\n");
unregister_code(action.layer_tap.code);
} else {
dprint("KEYMAP_TAP_KEY: No tap: Off on release\n");
layer_off(action.layer_tap.val);
}
}
break;
}
break;
#endif
#endif
/* Extentions */
#ifndef NO_ACTION_MACRO
case ACT_MACRO:
action_macro_play(action_get_macro(record, action.func.id, action.func.opt));
break;
#endif
#ifdef BACKLIGHT_ENABLE
case ACT_BACKLIGHT:
if (!event.pressed) {
switch (action.backlight.opt) {
case BACKLIGHT_INCREASE:
backlight_increase();
break;
case BACKLIGHT_DECREASE:
backlight_decrease();
break;
case BACKLIGHT_TOGGLE:
backlight_toggle();
break;
case BACKLIGHT_STEP:
backlight_step();
break;
case BACKLIGHT_LEVEL:
backlight_level(action.backlight.level);
break;
}
}
break;
#endif
case ACT_COMMAND:
break;
#ifndef NO_ACTION_FUNCTION
case ACT_FUNCTION:
action_function(record, action.func.id, action.func.opt);
break;
#endif
default:
break;
}
#ifndef NO_ACTION_ONESHOT
/* Because we switch layers after a oneshot event, we need to release the
* key before we leave the layer or no key up event will be generated.
*/
if (do_release_oneshot && !(get_oneshot_layer_state() & ONESHOT_PRESSED ) ) {
record->event.pressed = false;
layer_on(get_oneshot_layer());
process_action(record);
layer_off(get_oneshot_layer());
}
#endif
}
/*
* Utilities for actions.
*/
void register_code(uint8_t code)
{
if (code == KC_NO) {
return;
}
#ifdef LOCKING_SUPPORT_ENABLE
else if (KC_LOCKING_CAPS == code) {
#ifdef LOCKING_RESYNC_ENABLE
// Resync: ignore if caps lock already is on
if (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) return;
#endif
add_key(KC_CAPSLOCK);
send_keyboard_report();
del_key(KC_CAPSLOCK);
send_keyboard_report();
}
else if (KC_LOCKING_NUM == code) {
#ifdef LOCKING_RESYNC_ENABLE
if (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) return;
#endif
add_key(KC_NUMLOCK);
send_keyboard_report();
del_key(KC_NUMLOCK);
send_keyboard_report();
}
else if (KC_LOCKING_SCROLL == code) {
#ifdef LOCKING_RESYNC_ENABLE
if (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) return;
#endif
add_key(KC_SCROLLLOCK);
send_keyboard_report();
del_key(KC_SCROLLLOCK);
send_keyboard_report();
}
#endif
else if IS_KEY(code) {
// TODO: should push command_proc out of this block?
if (command_proc(code)) return;
#ifndef NO_ACTION_ONESHOT
/* TODO: remove
if (oneshot_state.mods && !oneshot_state.disabled) {
uint8_t tmp_mods = get_mods();
add_mods(oneshot_state.mods);
add_key(code);
send_keyboard_report();
set_mods(tmp_mods);
send_keyboard_report();
oneshot_cancel();
} else
*/
#endif
{
add_key(code);
send_keyboard_report();
}
}
else if IS_MOD(code) {
add_mods(MOD_BIT(code));
send_keyboard_report();
}
else if IS_SYSTEM(code) {
host_system_send(KEYCODE2SYSTEM(code));
}
else if IS_CONSUMER(code) {
host_consumer_send(KEYCODE2CONSUMER(code));
}
}
void unregister_code(uint8_t code)
{
if (code == KC_NO) {
return;
}
#ifdef LOCKING_SUPPORT_ENABLE
else if (KC_LOCKING_CAPS == code) {
#ifdef LOCKING_RESYNC_ENABLE
// Resync: ignore if caps lock already is off
if (!(host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK))) return;
#endif
add_key(KC_CAPSLOCK);
send_keyboard_report();
del_key(KC_CAPSLOCK);
send_keyboard_report();
}
else if (KC_LOCKING_NUM == code) {
#ifdef LOCKING_RESYNC_ENABLE
if (!(host_keyboard_leds() & (1<<USB_LED_NUM_LOCK))) return;
#endif
add_key(KC_NUMLOCK);
send_keyboard_report();
del_key(KC_NUMLOCK);
send_keyboard_report();
}
else if (KC_LOCKING_SCROLL == code) {
#ifdef LOCKING_RESYNC_ENABLE
if (!(host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK))) return;
#endif
add_key(KC_SCROLLLOCK);
send_keyboard_report();
del_key(KC_SCROLLLOCK);
send_keyboard_report();
}
#endif
else if IS_KEY(code) {
del_key(code);
send_keyboard_report();
}
else if IS_MOD(code) {
del_mods(MOD_BIT(code));
send_keyboard_report();
}
else if IS_SYSTEM(code) {
host_system_send(0);
}
else if IS_CONSUMER(code) {
host_consumer_send(0);
}
}
void register_mods(uint8_t mods)
{
if (mods) {
add_mods(mods);
send_keyboard_report();
}
}
void unregister_mods(uint8_t mods)
{
if (mods) {
del_mods(mods);
send_keyboard_report();
}
}
void clear_keyboard(void)
{
clear_mods();
clear_keyboard_but_mods();
}
void clear_keyboard_but_mods(void)
{
clear_weak_mods();
clear_macro_mods();
clear_keys();
send_keyboard_report();
#ifdef MOUSEKEY_ENABLE
mousekey_clear();
mousekey_send();
#endif
#ifdef EXTRAKEY_ENABLE
host_system_send(0);
host_consumer_send(0);
#endif
}
bool is_tap_key(keypos_t key)
{
action_t action = layer_switch_get_action(key);
switch (action.kind.id) {
case ACT_LMODS_TAP:
case ACT_RMODS_TAP:
case ACT_LAYER_TAP:
case ACT_LAYER_TAP_EXT:
switch (action.layer_tap.code) {
case 0x00 ... 0xdf:
case OP_TAP_TOGGLE:
case OP_ONESHOT:
return true;
}
return false;
case ACT_MACRO:
case ACT_FUNCTION:
if (action.func.opt & FUNC_TAP) { return true; }
return false;
}
return false;
}
/*
* debug print
*/
void debug_event(keyevent_t event)
{
dprintf("%04X%c(%u)", (event.key.row<<8 | event.key.col), (event.pressed ? 'd' : 'u'), event.time);
}
void debug_record(keyrecord_t record)
{
debug_event(record.event);
#ifndef NO_ACTION_TAPPING
dprintf(":%u%c", record.tap.count, (record.tap.interrupted ? '-' : ' '));
#endif
}
void debug_action(action_t action)
{
switch (action.kind.id) {
case ACT_LMODS: dprint("ACT_LMODS"); break;
case ACT_RMODS: dprint("ACT_RMODS"); break;
case ACT_LMODS_TAP: dprint("ACT_LMODS_TAP"); break;
case ACT_RMODS_TAP: dprint("ACT_RMODS_TAP"); break;
case ACT_USAGE: dprint("ACT_USAGE"); break;
case ACT_MOUSEKEY: dprint("ACT_MOUSEKEY"); break;
case ACT_LAYER: dprint("ACT_LAYER"); break;
case ACT_LAYER_TAP: dprint("ACT_LAYER_TAP"); break;
case ACT_LAYER_TAP_EXT: dprint("ACT_LAYER_TAP_EXT"); break;
case ACT_MACRO: dprint("ACT_MACRO"); break;
case ACT_COMMAND: dprint("ACT_COMMAND"); break;
case ACT_FUNCTION: dprint("ACT_FUNCTION"); break;
default: dprint("UNKNOWN"); break;
}
dprintf("[%X:%02X]", action.kind.param>>8, action.kind.param&0xff);
}