mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-11-24 12:22:57 +00:00
1071 lines
37 KiB
C
1071 lines
37 KiB
C
/*
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Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "host.h"
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#include "timer.h"
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#include "keymap.h"
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#include "keycode.h"
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#include "keyboard.h"
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#include "mousekey.h"
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#include "command.h"
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#include "util.h"
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#include "debug.h"
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#include "action.h"
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/* default layer indicates base layer */
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uint8_t default_layer = 0;
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/* current layer indicates active layer at this time */
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uint8_t current_layer = 0;
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static void process_action(keyrecord_t *record);
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static bool process_tapping(keyrecord_t *record);
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static void waiting_buffer_scan_tap(void);
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static void debug_event(keyevent_t event);
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static void debug_record(keyrecord_t record);
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static void debug_action(action_t action);
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static void debug_tapping_key(void);
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static void debug_waiting_buffer(void);
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/*
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* Tapping
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*/
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/* period of tapping(ms) */
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#ifndef TAPPING_TERM
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#define TAPPING_TERM 200
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#endif
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/* tap count needed for toggling a feature */
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#ifndef TAPPING_TOGGLE
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#define TAPPING_TOGGLE 5
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#endif
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/* stores a key event of current tap. */
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static keyrecord_t tapping_key = {};
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#define IS_TAPPING() !IS_NOEVENT(tapping_key.event)
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#define IS_TAPPING_PRESSED() (IS_TAPPING() && tapping_key.event.pressed)
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#define IS_TAPPING_RELEASED() (IS_TAPPING() && !tapping_key.event.pressed)
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#define IS_TAPPING_KEY(k) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k)))
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#define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
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/*
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* Waiting buffer
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*
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* stores key events waiting for settling current tap.
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*/
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#define WAITING_BUFFER_SIZE 8
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static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
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/* point to empty cell to enq */
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static uint8_t waiting_buffer_head = 0;
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/* point to the oldest data cell to deq */
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static uint8_t waiting_buffer_tail = 0;
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static bool waiting_buffer_enq(keyrecord_t record)
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{
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if (IS_NOEVENT(record.event)) {
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return true;
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}
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if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) {
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debug("waiting_buffer_enq: Over flow.\n");
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return false;
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}
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waiting_buffer[waiting_buffer_head] = record;
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waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
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debug("waiting_buffer_enq: "); debug_waiting_buffer();
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return true;
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}
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static void waiting_buffer_clear(void)
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{
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waiting_buffer_head = 0;
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waiting_buffer_tail = 0;
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}
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#if TAPPING_TERM >= 500
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static bool waiting_buffer_typed(keyevent_t event)
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{
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for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed != waiting_buffer[i].event.pressed) {
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return true;
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}
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}
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return false;
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}
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#endif
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bool waiting_buffer_has_anykey_pressed(void)
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{
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for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
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if (waiting_buffer[i].event.pressed) return true;
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}
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return false;
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}
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/* Oneshot modifier
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*
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* Problem: Want to capitalize like 'The' but the result tends to be 'THe'.
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* Solution: Oneshot modifier have its effect on only one key coming next.
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* Tap Shift, then type 't', 'h' and 'e'. Not need to hold Shift key.
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*
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* Hold: works as normal modifier.
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* Tap: one shot modifier.
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* 2 Tap: cancel one shot modifier.
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* 5-Tap: toggles enable/disable oneshot feature.
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*/
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static struct {
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uint8_t mods;
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uint8_t time;
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bool ready;
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bool disabled;
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} oneshot_state;
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static void oneshot_start(uint8_t mods, uint16_t time)
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{
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oneshot_state.mods = mods;
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oneshot_state.time = time;
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oneshot_state.ready = true;
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}
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static void oneshot_cancel(void)
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{
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oneshot_state.mods = 0;
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oneshot_state.time = 0;
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oneshot_state.ready = false;
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}
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static void oneshot_toggle(void)
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{
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oneshot_state.disabled = !oneshot_state.disabled;
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}
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/*
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* Layer stack
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*/
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#define LAYER_STACK_SIZE 8
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typedef struct {
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uint8_t layer:4;
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uint8_t next:3;
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bool used;
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} layer_item_t;
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static uint8_t top_layer = 0;
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// [0] is sentinel and not used. [0] is null item.
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static layer_item_t layer_stack[LAYER_STACK_SIZE] = {};
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static bool layer_push(uint8_t layer)
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{
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for (uint8_t i = 1; i < LAYER_STACK_SIZE; i++) {
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if (!layer_stack[i].used) {
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layer_stack[i] = (layer_item_t){ .layer = layer,
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.next = top_layer,
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.used = true };
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top_layer = i;
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return true;
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}
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}
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return false;
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}
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static bool layer_pop(void)
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{
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if (layer_stack[top_layer].used) {
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uint8_t popped = top_layer;
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top_layer = layer_stack[popped].next;
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layer_stack[popped] = (layer_item_t){};
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return true;
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}
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return false;
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}
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static bool layer_remove(uint8_t layer)
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{
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if (layer_stack[top_layer].used && layer_stack[top_layer].layer == layer) {
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layer_pop();
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debug("layer_remove: top_layer\n");
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return true;
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}
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for (uint8_t i = top_layer; layer_stack[i].used; i = layer_stack[i].next) {
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debug("layer_remove: ["); debug_dec(i); debug("]");
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debug_dec(layer_stack[i].layer); debug("\n");
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uint8_t removed = layer_stack[i].next;
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if (layer_stack[removed].used && layer_stack[removed].layer == layer) {
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layer_stack[i].next = layer_stack[removed].next;
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layer_stack[removed] = (layer_item_t){};
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debug("layer_remove: removed.\n");
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return true;
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}
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}
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return false;
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}
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static bool layer_remove_then_push(uint8_t layer)
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{
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layer_remove(layer);
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return layer_push(layer);
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}
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static bool layer_remove_or_push(uint8_t layer)
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{
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return (layer_remove(layer)) || layer_push(layer);
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}
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static void debug_layer_stack(void)
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{
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debug("layer_stack: ");
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layer_item_t item = layer_stack[top_layer];
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while (item.used) {
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debug_dec(item.layer);
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debug("["); debug_dec(item.next); debug("]");
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item = layer_stack[item.next];
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}
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debug("\n");
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}
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void action_exec(keyevent_t event)
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{
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if (!IS_NOEVENT(event)) {
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debug("\n---- action_exec: start -----\n");
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debug("EVENT: "); debug_event(event); debug("\n");
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}
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keyrecord_t record = { .event = event };
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// pre-process on tapping
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if (process_tapping(&record)) {
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if (!IS_NOEVENT(record.event)) {
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debug("processed: "); debug_record(record); debug("\n");
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}
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} else {
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// enqueue
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if (!waiting_buffer_enq(record)) {
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// clear all in case of overflow.
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debug("OVERFLOW: CLEAR ALL STATES\n");
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clear_keyboard();
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waiting_buffer_clear();
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tapping_key = (keyrecord_t){};
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}
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}
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// process waiting_buffer
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if (!IS_NOEVENT(event) && waiting_buffer_head != waiting_buffer_tail) {
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debug("---- action_exec: process waiting_buffer -----\n");
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}
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for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
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if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
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debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
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debug_record(waiting_buffer[waiting_buffer_tail]); debug("\n\n");
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} else {
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break;
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}
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}
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if (!IS_NOEVENT(event)) {
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debug("\n");
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}
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}
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static action_t get_action(key_t key)
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{
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action_t action;
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/* layer stack */
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for (layer_item_t i = layer_stack[top_layer]; i.used; i = layer_stack[i.next]) {
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action = action_for_key(i.layer, key);
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if (action.code != ACTION_TRANSPARENT) {
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debug_layer_stack();
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debug("layer_stack: used. "); debug_dec(i.layer); debug("\n");
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return action;
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}
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debug("layer_stack: through. "); debug_dec(i.layer); debug("\n");
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}
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/* current layer */
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action = action_for_key(current_layer, key);
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/* default layer */
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if (action.code == ACTION_TRANSPARENT) {
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debug("TRNASPARENT: "); debug_hex16(action.code); debug("\n");
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action = action_for_key(default_layer, key);
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}
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return action;
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}
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static void process_action(keyrecord_t *record)
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{
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keyevent_t event = record->event;
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uint8_t tap_count = record->tap_count;
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if (IS_NOEVENT(event)) { return; }
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action_t action = get_action(event.key);
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debug("ACTION: "); debug_action(action); debug("\n");
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switch (action.kind.id) {
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/* Key and Mods */
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case ACT_LMODS:
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case ACT_RMODS:
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{
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uint8_t mods = (action.kind.id == ACT_LMODS) ? action.key.mods :
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action.key.mods<<4;
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if (event.pressed) {
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uint8_t tmp_mods = host_get_mods();
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if (mods) {
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host_add_mods(mods);
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host_send_keyboard_report();
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}
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register_code(action.key.code);
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if (mods && action.key.code) {
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host_set_mods(tmp_mods);
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host_send_keyboard_report();
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}
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} else {
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if (mods && !action.key.code) {
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host_del_mods(mods);
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host_send_keyboard_report();
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}
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unregister_code(action.key.code);
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}
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}
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break;
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case ACT_LMODS_TAP:
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case ACT_RMODS_TAP:
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{
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uint8_t mods = (action.kind.id == ACT_LMODS_TAP) ? action.key.mods :
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action.key.mods<<4;
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switch (action.layer.code) {
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case 0x00:
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// Oneshot modifier
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if (event.pressed) {
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if (tap_count == 0) {
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debug("MODS_TAP: Oneshot: add_mods\n");
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add_mods(mods);
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}
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else if (tap_count == 1) {
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debug("MODS_TAP: Oneshot: start\n");
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oneshot_start(mods, event.time);
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}
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else if (tap_count == TAPPING_TOGGLE) {
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debug("MODS_TAP: Oneshot: toggle\n");
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oneshot_toggle();
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}
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else {
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debug("MODS_TAP: Oneshot: cancel&add_mods\n");
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// double tap cancels oneshot and works as normal modifier.
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oneshot_cancel();
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add_mods(mods);
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}
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} else {
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if (tap_count == 0) {
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debug("MODS_TAP: Oneshot: cancel/del_mods\n");
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// cancel oneshot on hold
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oneshot_cancel();
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del_mods(mods);
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}
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else if (tap_count == 1) {
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debug("MODS_TAP: Oneshot: del_mods\n");
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// retain Oneshot
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del_mods(mods);
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}
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else {
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debug("MODS_TAP: Oneshot: del_mods\n");
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// cancel Mods
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del_mods(mods);
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}
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}
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break;
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default:
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if (event.pressed) {
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if (tap_count > 0) {
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if (waiting_buffer_has_anykey_pressed()) {
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debug("MODS_TAP: Tap: Cancel: add_mods\n");
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// ad hoc: set 0 to cancel tap
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record->tap_count = 0;
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add_mods(mods);
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} else {
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debug("MODS_TAP: Tap: register_code\n");
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register_code(action.key.code);
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}
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} else {
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debug("MODS_TAP: No tap: add_mods\n");
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add_mods(mods);
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}
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} else {
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if (tap_count > 0) {
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debug("MODS_TAP: Tap: unregister_code\n");
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unregister_code(action.key.code);
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} else {
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debug("MODS_TAP: No tap: add_mods\n");
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del_mods(mods);
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}
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}
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break;
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}
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}
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break;
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/* other HID usage */
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case ACT_USAGE:
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#ifdef EXTRAKEY_ENABLE
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switch (action.usage.page) {
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case PAGE_SYSTEM:
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if (event.pressed) {
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host_system_send(action.usage.code);
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} else {
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host_system_send(0);
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}
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break;
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case PAGE_CONSUMER:
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if (event.pressed) {
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host_consumer_send(action.usage.code);
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} else {
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host_consumer_send(0);
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}
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break;
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}
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#endif
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break;
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/* Mouse key */
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case ACT_MOUSEKEY:
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#ifdef MOUSEKEY_ENABLE
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if (event.pressed) {
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mousekey_on(action.key.code);
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mousekey_send();
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} else {
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mousekey_off(action.key.code);
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mousekey_send();
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}
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#endif
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break;
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/* Layer key */
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case ACT_LAYER:
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switch (action.layer.code) {
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case LAYER_MOMENTARY: /* momentary */
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if (event.pressed) {
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layer_switch(action.layer.val);
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}
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else {
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// NOTE: This is needed by legacy keymap support
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layer_switch(default_layer);
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}
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break;
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case LAYER_ON_PRESS:
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if (event.pressed) {
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layer_switch(action.layer.val);
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}
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break;
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case LAYER_ON_RELEASE:
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if (!event.pressed) {
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layer_switch(action.layer.val);
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}
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break;
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case LAYER_ON_BOTH:
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layer_switch(action.layer.val);
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break;
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case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */
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if (event.pressed) {
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if (tap_count < TAPPING_TOGGLE) {
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layer_switch(action.layer.val);
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}
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} else {
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if (tap_count >= TAPPING_TOGGLE) {
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debug("LAYER_PRESSED: tap toggle.\n");
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layer_switch(action.layer.val);
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}
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}
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break;
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case LAYER_SET_DEFAULT_ON_PRESS:
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if (event.pressed) {
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default_layer = action.layer.val;
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layer_switch(default_layer);
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}
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break;
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case LAYER_SET_DEFAULT_ON_RELEASE:
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if (!event.pressed) {
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default_layer = action.layer.val;
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layer_switch(default_layer);
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}
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break;
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case LAYER_SET_DEFAULT_ON_BOTH:
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default_layer = action.layer.val;
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layer_switch(default_layer);
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break;
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default:
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/* tap key */
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if (event.pressed) {
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if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
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debug("LAYER_SET: Tap: register_code\n");
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register_code(action.layer.code);
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} else {
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debug("LAYER_SET: No tap: layer_set(on press)\n");
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layer_switch(action.layer.val);
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}
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} else {
|
|
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
|
|
debug("LAYER_SET: Tap: unregister_code\n");
|
|
unregister_code(action.layer.code);
|
|
} else {
|
|
// NOTE: This is needed by legacy keymap support
|
|
debug("LAYER_SET: No tap: return to default layer(on release)\n");
|
|
layer_switch(default_layer);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case ACT_LAYER_BIT:
|
|
switch (action.layer.code) {
|
|
case LAYER_MOMENTARY: /* momentary */
|
|
if (event.pressed) {
|
|
layer_switch(current_layer | action.layer.val);
|
|
} else {
|
|
layer_switch(current_layer & ~action.layer.val);
|
|
}
|
|
break;
|
|
case LAYER_ON_PRESS:
|
|
if (event.pressed) {
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
}
|
|
break;
|
|
case LAYER_ON_RELEASE:
|
|
if (!event.pressed) {
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
}
|
|
break;
|
|
case LAYER_ON_BOTH:
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
break;
|
|
case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */
|
|
if (event.pressed) {
|
|
if (tap_count < TAPPING_TOGGLE) {
|
|
debug("LAYER_BIT: tap toggle(press).\n");
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
}
|
|
} else {
|
|
if (tap_count <= TAPPING_TOGGLE) {
|
|
debug("LAYER_BIT: tap toggle(release).\n");
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
}
|
|
}
|
|
break;
|
|
case LAYER_SET_DEFAULT_ON_PRESS:
|
|
if (event.pressed) {
|
|
default_layer = current_layer ^ action.layer.val;
|
|
layer_switch(default_layer);
|
|
}
|
|
break;
|
|
case LAYER_SET_DEFAULT_ON_RELEASE:
|
|
if (!event.pressed) {
|
|
default_layer = current_layer ^ action.layer.val;
|
|
layer_switch(default_layer);
|
|
}
|
|
break;
|
|
case LAYER_SET_DEFAULT_ON_BOTH:
|
|
default_layer = current_layer ^ action.layer.val;
|
|
layer_switch(default_layer);
|
|
break;
|
|
default:
|
|
// 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_bit(on press)\n");
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
}
|
|
} 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_bit(on release)\n");
|
|
layer_switch(current_layer ^ action.layer.val);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case ACT_LAYER_STACK:
|
|
switch (action.layer.code) {
|
|
case LAYER_MOMENTARY: /* momentary */
|
|
if (event.pressed) {
|
|
layer_remove_then_push(action.layer.val);
|
|
debug_layer_stack();
|
|
} else {
|
|
layer_remove(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
break;
|
|
case LAYER_ON_PRESS:
|
|
if (event.pressed) {
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
break;
|
|
case LAYER_ON_RELEASE:
|
|
if (!event.pressed) {
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
break;
|
|
case LAYER_ON_BOTH:
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
break;
|
|
case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */
|
|
if (event.pressed) {
|
|
if (tap_count < TAPPING_TOGGLE) {
|
|
debug("LAYER_STACK: tap toggle(press).\n");
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
} else {
|
|
if (tap_count <= TAPPING_TOGGLE) {
|
|
debug("LAYER_STACK: tap toggle(release).\n");
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
// tap key
|
|
if (event.pressed) {
|
|
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
|
|
debug("LAYER_STACK: Tap: register_code\n");
|
|
register_code(action.layer.code);
|
|
} else {
|
|
debug("LAYER_STACK: No tap: layer_stack(on press)\n");
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
} else {
|
|
if (IS_TAPPING_KEY(event.key) && tap_count > 0) {
|
|
debug("LAYER_STACK: Tap: unregister_code\n");
|
|
unregister_code(action.layer.code);
|
|
} else {
|
|
debug("LAYER_STACK: No tap: layer_stack(on release)\n");
|
|
layer_remove_or_push(action.layer.val);
|
|
debug_layer_stack();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
/* Extentions */
|
|
case ACT_MACRO:
|
|
// TODO
|
|
break;
|
|
case ACT_COMMAND:
|
|
break;
|
|
case ACT_FUNCTION:
|
|
action_function(record, action.func.id, action.func.opt);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Tapping
|
|
*
|
|
* Rule: Tap key is typed(pressed and released) within TAPPING_TERM.
|
|
* (without interfering by typing other key)
|
|
*/
|
|
/* return true when key event is processed or consumed. */
|
|
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(0->1).\n");
|
|
tapping_key.tap_count = 1;
|
|
debug_tapping_key();
|
|
process_action(&tapping_key);
|
|
|
|
// enqueue
|
|
keyp->tap_count = tapping_key.tap_count;
|
|
return false;
|
|
}
|
|
#if TAPPING_TERM >= 500
|
|
/* This can prevent from typing some tap keys in a row at a time. */
|
|
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){};
|
|
debug_tapping_key();
|
|
|
|
// enqueue
|
|
return false;
|
|
}
|
|
#endif
|
|
else {
|
|
// other key events shall be enq'd till tapping state settles.
|
|
return false;
|
|
}
|
|
}
|
|
// tap_count > 0
|
|
else {
|
|
if (IS_TAPPING_KEY(event.key) && !event.pressed) {
|
|
debug("Tapping: Tap release("); debug_dec(tapping_key.tap_count); debug(")\n");
|
|
keyp->tap_count = tapping_key.tap_count;
|
|
process_action(keyp);
|
|
tapping_key = *keyp;
|
|
debug_tapping_key();
|
|
return true;
|
|
}
|
|
else if (is_tap_key(keyp->event.key) && event.pressed) {
|
|
if (tapping_key.tap_count > 1) {
|
|
debug("Tapping: Start new tap with releasing last tap(>1).\n");
|
|
// unregister key
|
|
process_action(&(keyrecord_t){
|
|
.tap_count = tapping_key.tap_count,
|
|
.event.key = tapping_key.event.key,
|
|
.event.time = event.time,
|
|
.event.pressed = false
|
|
});
|
|
} else {
|
|
debug("Tapping: Start while last tap(1).\n");
|
|
}
|
|
tapping_key = *keyp;
|
|
waiting_buffer_scan_tap();
|
|
debug_tapping_key();
|
|
return true;
|
|
}
|
|
else {
|
|
if (!IS_NOEVENT(keyp->event)) {
|
|
debug("Tapping: key event while last tap(>0).\n");
|
|
}
|
|
process_action(keyp);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
// after TAPPING_TERM
|
|
else {
|
|
if (tapping_key.tap_count == 0) {
|
|
debug("Tapping: End. Timeout. Not tap(0): ");
|
|
debug_event(event); debug("\n");
|
|
process_action(&tapping_key);
|
|
tapping_key = (keyrecord_t){};
|
|
debug_tapping_key();
|
|
return false;
|
|
} else {
|
|
if (IS_TAPPING_KEY(event.key) && !event.pressed) {
|
|
debug("Tapping: End. last timeout tap release(>0).");
|
|
keyp->tap_count = tapping_key.tap_count;
|
|
process_action(keyp);
|
|
tapping_key = (keyrecord_t){};
|
|
return true;
|
|
}
|
|
else if (is_tap_key(keyp->event.key) && event.pressed) {
|
|
if (tapping_key.tap_count > 1) {
|
|
debug("Tapping: Start new tap with releasing last timeout tap(>1).\n");
|
|
// unregister key
|
|
process_action(&(keyrecord_t){
|
|
.tap_count = tapping_key.tap_count,
|
|
.event.key = tapping_key.event.key,
|
|
.event.time = event.time,
|
|
.event.pressed = false
|
|
});
|
|
} else {
|
|
debug("Tapping: Start while last timeout tap(1).\n");
|
|
}
|
|
tapping_key = *keyp;
|
|
waiting_buffer_scan_tap();
|
|
debug_tapping_key();
|
|
return true;
|
|
}
|
|
else {
|
|
if (!IS_NOEVENT(keyp->event)) {
|
|
debug("Tapping: key event while last timeout tap(>0).\n");
|
|
}
|
|
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;
|
|
debug_tapping_key();
|
|
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;
|
|
waiting_buffer_scan_tap();
|
|
debug_tapping_key();
|
|
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(Timeout after releasing last tap): ");
|
|
debug_event(event); debug("\n");
|
|
tapping_key = (keyrecord_t){};
|
|
debug_tapping_key();
|
|
return false;
|
|
}
|
|
}
|
|
// not tapping satate
|
|
else {
|
|
if (event.pressed && is_tap_key(event.key)) {
|
|
debug("Tapping: Start(Press tap key).\n");
|
|
tapping_key = *keyp;
|
|
waiting_buffer_scan_tap();
|
|
debug_tapping_key();
|
|
return true;
|
|
} else {
|
|
process_action(keyp);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* scan buffer for tapping */
|
|
static void waiting_buffer_scan_tap(void)
|
|
{
|
|
// tapping already is settled
|
|
if (tapping_key.tap_count > 0) return;
|
|
// invalid state: tapping_key released && tap_count == 0
|
|
if (!tapping_key.event.pressed) return;
|
|
|
|
for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
|
|
if (IS_TAPPING_KEY(waiting_buffer[i].event.key) &&
|
|
!waiting_buffer[i].event.pressed &&
|
|
WITHIN_TAPPING_TERM(waiting_buffer[i].event)) {
|
|
tapping_key.tap_count = 1;
|
|
waiting_buffer[i].tap_count = 1;
|
|
process_action(&tapping_key);
|
|
|
|
debug("waiting_buffer_scan_tap: found at ["); debug_dec(i); debug("]\n");
|
|
debug_waiting_buffer();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* 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 = get_action(key);
|
|
|
|
switch (action.kind.id) {
|
|
case ACT_LMODS_TAP:
|
|
case ACT_RMODS_TAP:
|
|
return true;
|
|
case ACT_LAYER:
|
|
case ACT_LAYER_BIT:
|
|
switch (action.layer.code) {
|
|
case LAYER_MOMENTARY:
|
|
case LAYER_ON_PRESS:
|
|
case LAYER_ON_RELEASE:
|
|
case LAYER_ON_BOTH:
|
|
case LAYER_SET_DEFAULT_ON_PRESS:
|
|
case LAYER_SET_DEFAULT_ON_RELEASE:
|
|
case LAYER_SET_DEFAULT_ON_BOTH:
|
|
return false;
|
|
case LAYER_TAP_TOGGLE:
|
|
default: /* tap key */
|
|
return true;
|
|
}
|
|
return false;
|
|
case ACT_FUNCTION:
|
|
if (action.func.opt & FUNC_TAP) { return true; }
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/*
|
|
* debug print
|
|
*/
|
|
static void debug_event(keyevent_t event)
|
|
{
|
|
debug_hex16((event.key.row<<8) | event.key.col);
|
|
if (event.pressed) debug("d("); else debug("u(");
|
|
debug_dec(event.time); debug(")");
|
|
}
|
|
static void debug_record(keyrecord_t record)
|
|
{
|
|
debug_event(record.event); debug(":"); debug_dec(record.tap_count);
|
|
}
|
|
static void debug_action(action_t action)
|
|
{
|
|
switch (action.kind.id) {
|
|
case ACT_LMODS: debug("ACT_LMODS"); break;
|
|
case ACT_RMODS: debug("ACT_RMODS"); break;
|
|
case ACT_LMODS_TAP: debug("ACT_LMODS_TAP"); break;
|
|
case ACT_RMODS_TAP: debug("ACT_RMODS_TAP"); break;
|
|
case ACT_USAGE: debug("ACT_USAGE"); break;
|
|
case ACT_MOUSEKEY: debug("ACT_MOUSEKEY"); break;
|
|
case ACT_LAYER: debug("ACT_LAYER"); break;
|
|
case ACT_LAYER_BIT: debug("ACT_LAYER_BIT"); break;
|
|
case ACT_LAYER_STACK: debug("ACT_LAYER_STACK"); break;
|
|
case ACT_MACRO: debug("ACT_MACRO"); break;
|
|
case ACT_COMMAND: debug("ACT_COMMAND"); break;
|
|
case ACT_FUNCTION: debug("ACT_FUNCTION"); break;
|
|
default: debug("UNKNOWN"); break;
|
|
}
|
|
debug("[");
|
|
debug_hex4(action.kind.param>>8);
|
|
debug(":");
|
|
debug_hex8(action.kind.param & 0xff);
|
|
debug("]");
|
|
}
|
|
static void debug_tapping_key(void)
|
|
{
|
|
debug("TAPPING_KEY="); debug_record(tapping_key); debug("\n");
|
|
}
|
|
static void debug_waiting_buffer(void)
|
|
{
|
|
debug("{ ");
|
|
for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) {
|
|
debug("["); debug_dec(i); debug("]="); debug_record(waiting_buffer[i]); debug(" ");
|
|
}
|
|
debug("}\n");
|
|
}
|