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- /*
- Copyright 2012,2013 Jun Wako <[email protected]>
-
- 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 "timer.h"
- #include "keymap.h"
- #include "keycode.h"
- #include "keyboard.h"
- #include "mousekey.h"
- #include "command.h"
- #include "util.h"
- #include "debug.h"
- #include "action.h"
-
-
- static bool process_tapping(keyrecord_t *record);
- static void process_action(keyrecord_t *record);
-
-
- /*
- * Tapping
- */
- /* period of tapping(ms) */
- #ifndef TAPPING_TERM
- #define TAPPING_TERM 200
- #endif
-
- /* tap count needed for toggling a feature */
- #ifndef TAPPING_TOGGLE
- #define TAPPING_TOGGLE 5
- #endif
-
- /* stores a key event of current tap. */
- static keyrecord_t tapping_key = {};
-
- #define IS_TAPPING() !IS_NOEVENT(tapping_key.event)
- #define IS_TAPPING_PRESSED() (IS_TAPPING() && tapping_key.event.pressed)
- #define IS_TAPPING_RELEASED() (IS_TAPPING() && !tapping_key.event.pressed)
- #define IS_TAPPING_KEY(k) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k)))
- #define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
-
-
- /*
- * Waiting buffer
- *
- * stores key events waiting for settling current tap.
- */
- #define WAITING_BUFFER_SIZE 8
- static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
-
- /* point to empty cell to enq */
- static uint8_t waiting_buffer_head = 0;
-
- /* point to the oldest data cell to deq */
- static uint8_t waiting_buffer_tail = 0;
-
- static bool waiting_buffer_enq(keyrecord_t record)
- {
- if (IS_NOEVENT(record.event)) {
- return true;
- }
-
- if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
- debug("waiting_buffer_enq: Over flow.\n");
- return false;
- }
-
- debug("waiting_buffer_enq["); debug_dec(waiting_buffer_head); debug("] = ");
- debug_hex16(record.event.key.raw); debug("\n");
-
- waiting_buffer[waiting_buffer_head] = record;
- waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
- return true;
- }
- /*
- static keyrecord_t waiting_buffer_deq(void)
- {
- if (waiting_buffer_head == waiting_buffer_tail) {
- return (keyrecord_t){};
- }
- uint8_t last_tail = waiting_buffer_tail;
- waiting_buffer_tail = waiting_buffer_tail + 1 % WAITING_BUFFER_SIZE;
- return waiting_buffer[last_tail];
- }
- static bool waiting_buffer_is_empty(void)
- {
- return (waiting_buffer_head == waiting_buffer_tail);
- }
- */
- static void waiting_buffer_clear(void)
- {
- waiting_buffer_head = 0;
- waiting_buffer_tail = 0;
- }
- static bool waiting_buffer_typed(keyevent_t event)
- {
- for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
- if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed != waiting_buffer[i].event.pressed) {
- return true;
- }
- }
- return false;
- }
- static bool waiting_buffer_has_anykey_pressed(void)
- {
- for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
- if (waiting_buffer[i].event.pressed) return true;
- }
- return false;
- }
-
-
- /* Oneshot modifier
- *
- * Problem: Want to capitalize like 'The' but the result tends to be 'THe'.
- * Solution: Oneshot modifier have its effect on only one key coming next.
- * Tap Shift, then type 't', 'h' and 'e'. Not need to hold Shift key.
- *
- * Hold: works as normal modifier.
- * Tap: one shot modifier.
- * 2 Tap: cancel one shot modifier.
- * 5-Tap: toggles enable/disable oneshot feature.
- */
- static struct {
- uint8_t mods;
- uint8_t time;
- bool ready;
- bool disabled;
- } oneshot_state;
- static void oneshot_start(uint8_t mods, uint16_t time)
- {
- oneshot_state.mods = mods;
- oneshot_state.time = time;
- oneshot_state.ready = true;
- }
- static void oneshot_cancel(void)
- {
- oneshot_state.mods = 0;
- oneshot_state.time = 0;
- oneshot_state.ready = false;
- }
- static void oneshot_toggle(void)
- {
- oneshot_state.disabled = !oneshot_state.disabled;
- }
-
-
-
- void action_exec(keyevent_t event)
- {
- if (!IS_NOEVENT(event)) {
- debug("event: ");
- debug_hex16(event.time); debug(": ");
- debug_hex16(event.key.raw);
- debug("[");
- if (event.pressed) debug("down"); else debug("up");
- debug("]\n");
- }
-
- keyrecord_t record = { .event = event };
-
- // pre-process on tapping
- if (process_tapping(&record)) {
- if (!IS_NOEVENT(record.event)) debug("processed.\n");
- } else {
- if (!IS_NOEVENT(record.event)) debug("enqueued.\n");
- // enqueue
- if (!waiting_buffer_enq(record)) {
- // clear all in case of overflow.
- clear_keyboard();
- waiting_buffer_clear();
- tapping_key = (keyrecord_t){};
- }
- }
-
- // process waiting_buffer
- for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
- if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
- debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
- debug_hex16(waiting_buffer[waiting_buffer_tail].event.key.raw); debug("\n");
- } else {
- break;
- }
- }
- }
-
- static void process_action(keyrecord_t *record)
- {
- keyevent_t event = record->event;
- uint8_t tap_count = record->tap_count;
-
- if (IS_NOEVENT(event)) { return; }
-
- action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
- debug("action: "); debug_hex16(action.code);
- if (event.pressed) debug("[down]\n"); else debug("[up]\n");
-
- 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) {
- uint8_t tmp_mods = host_get_mods();
- if (mods) {
- host_add_mods(mods);
- host_send_keyboard_report();
- }
- register_code(action.key.code);
- if (mods && action.key.code) {
- host_set_mods(tmp_mods);
- host_send_keyboard_report();
- }
- } else {
- if (mods && !action.key.code) {
- host_del_mods(mods);
- host_send_keyboard_report();
- }
- unregister_code(action.key.code);
- }
- }
- break;
- 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.code) {
- case 0x00:
- // Oneshot modifier
- if (event.pressed) {
- if (tap_count == 0) {
- debug("MODS_TAP: Oneshot: add_mods\n");
- add_mods(mods);
- }
- else if (tap_count == 1) {
- debug("MODS_TAP: Oneshot: start\n");
- oneshot_start(mods, event.time);
- }
- else if (tap_count == 5) {
- debug("MODS_TAP: Oneshot: toggle\n");
- oneshot_toggle();
- }
- else {
- debug("MODS_TAP: Oneshot: cancel&add_mods\n");
- // double tap cancels oneshot and works as normal modifier.
- oneshot_cancel();
- add_mods(mods);
- }
- } else {
- if (tap_count == 0) {
- debug("MODS_TAP: Oneshot: cancel/del_mods\n");
- // cancel oneshot by holding.
- oneshot_cancel();
- del_mods(mods);
- }
- else if (tap_count == 1) {
- debug("MODS_TAP: Oneshot: del_mods\n");
- // retain Oneshot
- del_mods(mods);
- }
- else {
- debug("MODS_TAP: Oneshot: del_mods\n");
- // cancel Mods
- del_mods(mods);
- }
- }
- break;
- default:
- if (event.pressed) {
- if (tap_count > 0) {
- if (waiting_buffer_has_anykey_pressed()) {
- debug("MODS_TAP: Tap: Cancel: add_mods\n");
- // ad hoc: set 0 to cancel tap
- record->tap_count = 0;
- add_mods(mods);
- } else {
- debug("MODS_TAP: Tap: register_code\n");
- register_code(action.key.code);
- }
- } else {
- debug("MODS_TAP: No tap: add_mods\n");
- add_mods(mods);
- }
- } else {
- if (tap_count > 0) {
- debug("MODS_TAP: Tap: unregister_code\n");
- unregister_code(action.key.code);
- } else {
- debug("MODS_TAP: No tap: add_mods\n");
- del_mods(mods);
- }
- }
- break;
- }
- }
- break;
-
- /* other HID usage */
- case ACT_USAGE:
- #ifdef EXTRAKEY_ENABLE
- switch (action.usage.page) {
- case ACTION_USAGE_PAGE_SYSTEM:
- if (event.pressed) {
- host_system_send(action.usage.code);
- } else {
- host_system_send(0);
- }
- break;
- case ACTION_USAGE_PAGE_CONSUMER:
- if (event.pressed) {
- host_consumer_send(action.usage.code);
- } else {
- host_consumer_send(0);
- }
- break;
- }
- #endif
- break;
-
- /* Mouse key */
- case ACT_MOUSEKEY:
- #ifdef MOUSEKEY_ENABLE
- if (event.pressed) {
- mousekey_on(action.key.code);
- mousekey_send();
- } else {
- mousekey_off(action.key.code);
- mousekey_send();
- }
- #endif
- break;
-
- /* Layer key */
- case ACT_LAYER_PRESSED:
- // layer action when pressed
- switch (action.layer.code) {
- case 0x00:
- if (event.pressed) {
- layer_switch(action.layer.opt);
- }
- break;
- case 0xF0:
- // tap toggle
- if (event.pressed) {
- if (tap_count < TAPPING_TOGGLE) {
- layer_switch(action.layer.opt);
- }
- } else {
- if (tap_count >= TAPPING_TOGGLE) {
- debug("LAYER_PRESSED: tap toggle.\n");
- layer_switch(action.layer.opt);
- }
- }
- break;
- case 0xFF:
- // change default layer
- if (event.pressed) {
- default_layer = action.layer.opt;
- layer_switch(default_layer);
- }
- break;
- default:
- // with tap key
- if (event.pressed) {
- if (tap_count > 0) {
- debug("LAYER_PRESSED: Tap: register_code\n");
- register_code(action.layer.code);
- } else {
- debug("LAYER_PRESSED: No tap: layer_switch\n");
- layer_switch(action.layer.opt);
- }
- } else {
- if (tap_count > 0) {
- debug("LAYER_PRESSED: Tap: unregister_code\n");
- unregister_code(action.layer.code);
- } else {
- debug("LAYER_PRESSED: No tap: NO ACTION\n");
- }
- }
- break;
- }
- break;
- case ACT_LAYER_RELEASED:
- switch (action.layer.code) {
- case 0x00:
- if (!event.pressed) {
- layer_switch(action.layer.opt);
- }
- break;
- case 0xF0:
- // tap toggle
- if (event.pressed) {
- if (tap_count >= TAPPING_TOGGLE) {
- debug("LAYER_RELEASED: tap toggle.\n");
- layer_switch(action.layer.opt);
- }
- } else {
- if (tap_count < TAPPING_TOGGLE) {
- layer_switch(action.layer.opt);
- }
- }
- break;
- case 0xFF:
- // change default layer
- if (!event.pressed) {
- default_layer = action.layer.opt;
- layer_switch(default_layer);
- }
- break;
- default:
- // with tap key
- if (event.pressed) {
- if (tap_count > 0) {
- debug("LAYER_RELEASED: Tap: register_code\n");
- register_code(action.layer.code);
- } else {
- debug("LAYER_RELEASED: No tap: NO ACTION\n");
- }
- } else {
- if (tap_count > 0) {
- debug("LAYER_RELEASED: Tap: unregister_code\n");
- unregister_code(action.layer.code);
- } else {
- debug("LAYER_RELEASED: No tap: layer_switch\n");
- layer_switch(action.layer.opt);
- }
- }
- break;
- }
- break;
- case ACT_LAYER_BIT:
- switch (action.layer.code) {
- case 0x00:
- if (event.pressed) {
- layer_switch(current_layer | action.layer.opt);
- } else {
- layer_switch(current_layer & ~action.layer.opt);
- }
- break;
- case 0xF0:
- // tap toggle
- if (event.pressed) {
- if (tap_count < TAPPING_TOGGLE) {
- debug("LAYER_BIT: tap toggle(press).\n");
- layer_switch(current_layer | action.layer.opt);
- }
- } else {
- if (tap_count < TAPPING_TOGGLE) {
- debug("LAYER_BIT: tap toggle(release).\n");
- layer_switch(current_layer & ~action.layer.opt);
- } else {
- debug("LAYER_BIT: tap toggle.\n");
- layer_switch(current_layer | action.layer.opt);
- }
- }
- break;
- case 0xFF:
- // change default layer
- if (event.pressed) {
- default_layer = current_layer | action.layer.opt;
- layer_switch(default_layer);
- } else {
- default_layer = current_layer & ~action.layer.opt;
- layer_switch(default_layer);
- }
- break;
- default:
- // with tap key
- if (event.pressed) {
- if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
- debug("LAYER_BIT: Tap: register_code\n");
- register_code(action.layer.code);
- } else {
- debug("LAYER_BIT: No tap: layer_switch(bit on)\n");
- layer_switch(current_layer | action.layer.opt);
- }
- } else {
- if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
- debug("LAYER_BIT: Tap: unregister_code\n");
- unregister_code(action.layer.code);
- } else {
- debug("LAYER_BIT: No tap: layer_switch(bit off)\n");
- layer_switch(current_layer & ~action.layer.opt);
- }
- }
- break;
- }
- break;
- case ACT_LAYER_EXT:
- switch (action.layer.opt) {
- case 0x00:
- // set default layer when pressed
- switch (action.layer.code) {
- case 0x00:
- if (event.pressed) {
- layer_switch(default_layer);
- }
- break;
- case 0xF0:
- // tap toggle
- if (event.pressed) {
- if (tap_count < TAPPING_TOGGLE) {
- layer_switch(default_layer);
- }
- } else {
- if (tap_count >= TAPPING_TOGGLE) {
- debug("LAYER_EXT_PRESSED: tap toggle.\n");
- layer_switch(default_layer);
- }
- }
- break;
- case 0xFF:
- // change default layer
- if (event.pressed) {
- default_layer = current_layer;
- layer_switch(default_layer);
- }
- break;
- default:
- // with tap key
- if (event.pressed) {
- if (tap_count > 0) {
- debug("LAYER_EXT_PRESSED: Tap: register_code\n");
- register_code(action.layer.code);
- } else {
- debug("LAYER_EXT_PRESSED: No tap: layer_switch\n");
- layer_switch(default_layer);
- }
- } else {
- if (tap_count > 0) {
- debug("LAYER_EXT_PRESSED: Tap: unregister_code\n");
- unregister_code(action.layer.code);
- } else {
- debug("LAYER_EXT_PRESSED: No tap: NO ACTION\n");
- }
- }
- break;
- }
- break;
- case 0x01:
- // set default layer when released
- switch (action.layer.code) {
- case 0x00:
- if (!event.pressed) {
- layer_switch(default_layer);
- }
- break;
- case 0xF0:
- // tap toggle
- if (event.pressed) {
- if (tap_count >= TAPPING_TOGGLE) {
- debug("LAYER_EXT_RELEASED: tap toggle.\n");
- layer_switch(default_layer);
- }
- } else {
- if (tap_count < TAPPING_TOGGLE) {
- layer_switch(default_layer);
- }
- }
- break;
- case 0xFF:
- // change default layer
- if (!event.pressed) {
- default_layer = current_layer;
- layer_switch(default_layer);
- }
- break;
- default:
- // with tap key
- if (event.pressed) {
- if (tap_count > 0) {
- debug("LAYER_EXT_RELEASED: Tap: register_code\n");
- register_code(action.layer.code);
- } else {
- debug("LAYER_EXT_RELEASED: No tap: NO ACTION\n");
- }
- } else {
- if (tap_count > 0) {
- debug("LAYER_EXT_RELEASED: Tap: unregister_code\n");
- unregister_code(action.layer.code);
- } else {
- debug("LAYER_EXT_RELEASED: No tap: layer_switch\n");
- layer_switch(default_layer);
- }
- }
- break;
- }
- break;
- }
- break;
-
- /* Extentions */
- case ACT_MACRO:
- break;
- case ACT_COMMAND:
- break;
- case ACT_FUNCTION:
- // TODO
- action_call_function(event, action.func.id);
- break;
- default:
- break;
- }
- }
-
- /* Tapping
- *
- * Rule: Tap key is typed(pressed and released) within TAPPING_TERM
- * without interfaring by typing other key.
- */
- /* return true when key event is processed. */
- static bool process_tapping(keyrecord_t *keyp)
- {
- keyevent_t event = keyp->event;
-
- // if tapping
- if (IS_TAPPING_PRESSED()) {
- if (WITHIN_TAPPING_TERM(event)) {
- if (tapping_key.tap_count == 0) {
- if (IS_TAPPING_KEY(event.key) && !event.pressed) {
- // first tap!
- debug("Tapping: First tap.\n");
- tapping_key.tap_count = 1;
- process_action(&tapping_key);
-
- // enqueue
- keyp->tap_count = tapping_key.tap_count;
- return false;
- } else if (!event.pressed && waiting_buffer_typed(event)) {
- // other key typed. not tap.
- debug("Tapping: End(No tap. Interfered by typing key).\n");
- process_action(&tapping_key);
- tapping_key = (keyrecord_t){};
-
- // enqueue
- return false;
- } else {
- // other key events shall be stored till tapping state settles.
- return false;
- }
- } else {
- if (IS_TAPPING_KEY(event.key) && !event.pressed) {
- keyp->tap_count = tapping_key.tap_count;
- debug("Tapping: tap release("); debug_dec(keyp->tap_count); debug(")\n");
- tapping_key = *keyp;
- return false;
- }
- else if (is_tap_key(keyp->event.key) && event.pressed) {
- debug("Tapping: Start with forcing to release last tap.\n");
- process_action(&(keyrecord_t){
- .tap_count = tapping_key.tap_count,
- .event.key = tapping_key.event.key,
- .event.time = event.time,
- .event.pressed = false
- });
- tapping_key = *keyp;
- return false;
- }
- else {
- if (!IS_NOEVENT(keyp->event)) debug("Tapping: key event while tap.\n");
- process_action(keyp);
- return true;
- }
- }
- }
- // not within TAPPING_TERM
- else {
- if (tapping_key.tap_count == 0) {
- // timeout. not tap.
- debug("Tapping: End. Not tap(time out).\n");
- process_action(&tapping_key);
- tapping_key = (keyrecord_t){};
- return false;
- } else {
- if (IS_TAPPING_KEY(event.key) && !event.pressed) {
- debug("Tapping: End. tap release.");
- keyp->tap_count = tapping_key.tap_count;
- process_action(keyp);
- tapping_key = (keyrecord_t){};
- return true;
- } else {
- // other key after tap time out.
- process_action(keyp);
- return true;
- }
- }
- }
- } else if (IS_TAPPING_RELEASED()) {
- if (WITHIN_TAPPING_TERM(event)) {
- if (tapping_key.tap_count > 0 && IS_TAPPING_KEY(event.key) && event.pressed) {
- // sequential tap.
- keyp->tap_count = tapping_key.tap_count + 1;
- debug("Tapping: tap press("); debug_dec(keyp->tap_count); debug(")\n");
- process_action(keyp);
- tapping_key = *keyp;
- return true;
- } else if (event.pressed && is_tap_key(event.key)) {
- // Sequential tap can be interfered with other tap key.
- debug("Tapping: Start with interfering other tap.\n");
- tapping_key = *keyp;
- return true;
- } else {
- if (!IS_NOEVENT(keyp->event)) debug("Tapping: other key just after tap.\n");
- process_action(keyp);
- return true;
- }
- } else {
- // timeout. no sequential tap.
- debug("Tapping: End(Time out after releasing last tap).\n");
- tapping_key = (keyrecord_t){};
- process_action(keyp);
- return true;
- }
- } else {
- if (event.pressed && is_tap_key(event.key)) {
- debug("Tapping: Start(Press tap key).\n");
- tapping_key = *keyp;
- return true;
- } else {
- process_action(keyp);
- return true;
- }
- }
- }
-
-
-
- /*
- * Utilities for actions.
- */
- void register_code(uint8_t code)
- {
- if (code == KC_NO) {
- return;
- }
- else if IS_KEY(code) {
- // TODO: should push command_proc out of this block?
- if (command_proc(code)) return;
-
- if (oneshot_state.mods && oneshot_state.ready && !oneshot_state.disabled) {
- uint8_t tmp_mods = host_get_mods();
- host_add_mods(oneshot_state.mods);
- host_add_key(code);
- host_send_keyboard_report();
-
- host_set_mods(tmp_mods);
- oneshot_state.ready = false;
- } else {
- host_add_key(code);
- host_send_keyboard_report();
- }
- }
- else if IS_MOD(code) {
- host_add_mods(MOD_BIT(code));
- host_send_keyboard_report();
- }
- }
-
- void unregister_code(uint8_t code)
- {
- if IS_KEY(code) {
- host_del_key(code);
- host_send_keyboard_report();
- }
- else if IS_MOD(code) {
- host_del_mods(MOD_BIT(code));
- host_send_keyboard_report();
- }
- }
-
- void add_mods(uint8_t mods)
- {
- if (mods) {
- host_add_mods(mods);
- host_send_keyboard_report();
- }
- }
-
- void del_mods(uint8_t mods)
- {
- if (mods) {
- host_del_mods(mods);
- host_send_keyboard_report();
- }
- }
-
- void set_mods(uint8_t mods)
- {
- host_set_mods(mods);
- host_send_keyboard_report();
- }
-
- void clear_keyboard(void)
- {
- host_clear_mods();
- clear_keyboard_but_mods();
- }
-
- void clear_keyboard_but_mods(void)
- {
- host_clear_keys();
- host_send_keyboard_report();
- #ifdef MOUSEKEY_ENABLE
- mousekey_clear();
- mousekey_send();
- #endif
- #ifdef EXTRAKEY_ENABLE
- host_system_send(0);
- host_consumer_send(0);
- #endif
- }
-
- bool sending_anykey(void)
- {
- return (host_has_anykey() || host_mouse_in_use() ||
- host_last_sysytem_report() || host_last_consumer_report());
- }
-
- void layer_switch(uint8_t new_layer)
- {
- if (current_layer != new_layer) {
- debug("Layer Switch: "); debug_hex(current_layer);
- debug(" -> "); debug_hex(new_layer); debug("\n");
-
- current_layer = new_layer;
- clear_keyboard_but_mods(); // To avoid stuck keys
- // NOTE: update mods with full scan of matrix? if modifier changes between layers
- }
- }
-
- bool is_tap_key(key_t key)
- {
- action_t action = keymap_get_action(current_layer, key.pos.row, key.pos.col);
- switch (action.kind.id) {
- case ACT_LMODS_TAP:
- case ACT_RMODS_TAP:
- return true;
- case ACT_LAYER_PRESSED:
- case ACT_LAYER_BIT:
- switch (action.layer.code) {
- case 0x00:
- case 0xF1 ... 0xFF:
- return false;
- case 0xF0:
- default:
- return true;
- }
- return false;
- case ACT_FUNCTION:
- if (action.func.opt & 0x1) {
- return true;
- }
- return false;
- }
- return false;
- }
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