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keychron_qmk_firmware/quantum/action_tapping.c
Stefan Kerkmann ca5670762b
Fix HOLD_ON_OTHER_KEY_PRESS after #11059 (#15307) 
that broke compilation because of a typo: KEYPRESS should have been
KEY_PRESS
2021-11-28 05:54:51 +11:00

547 lines
21 KiB
C
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#include <stdint.h>
#include <stdbool.h>
#include "action.h"
#include "action_layer.h"
#include "action_tapping.h"
#include "keycode.h"
#include "timer.h"
#ifdef DEBUG_ACTION
# include "debug.h"
#else
# include "nodebug.h"
#endif
#ifndef NO_ACTION_TAPPING
# 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)))
# ifndef COMBO_ENABLE
# define IS_TAPPING_RECORD(r) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (r->event.key)))
# else
# define IS_TAPPING_RECORD(r) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (r->event.key)) && tapping_key.keycode == r->keycode)
# endif
uint16_t g_tapping_term = TAPPING_TERM;
__attribute__((weak)) uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) { return g_tapping_term; }
# ifdef TAPPING_TERM_PER_KEY
# define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < get_tapping_term(get_record_keycode(&tapping_key, false), &tapping_key))
# else
# define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < g_tapping_term)
# endif
# ifdef TAPPING_FORCE_HOLD_PER_KEY
__attribute__((weak)) bool get_tapping_force_hold(uint16_t keycode, keyrecord_t *record) { return false; }
# endif
# ifdef PERMISSIVE_HOLD_PER_KEY
__attribute__((weak)) bool get_permissive_hold(uint16_t keycode, keyrecord_t *record) { return false; }
# endif
# ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
__attribute__((weak)) bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record) { return false; }
# endif
# if defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)
# include "process_auto_shift.h"
# endif
static keyrecord_t tapping_key = {};
static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
static uint8_t waiting_buffer_head = 0;
static uint8_t waiting_buffer_tail = 0;
static bool process_tapping(keyrecord_t *record);
static bool waiting_buffer_enq(keyrecord_t record);
static void waiting_buffer_clear(void);
static bool waiting_buffer_typed(keyevent_t event);
static bool waiting_buffer_has_anykey_pressed(void);
static void waiting_buffer_scan_tap(void);
static void debug_tapping_key(void);
static void debug_waiting_buffer(void);
/** \brief Action Tapping Process
*
* FIXME: Needs doc
*/
void action_tapping_process(keyrecord_t record) {
if (process_tapping(&record)) {
if (!IS_NOEVENT(record.event)) {
debug("processed: ");
debug_record(record);
debug("\n");
}
} else {
if (!waiting_buffer_enq(record)) {
// clear all in case of overflow.
debug("OVERFLOW: CLEAR ALL STATES\n");
clear_keyboard();
waiting_buffer_clear();
tapping_key = (keyrecord_t){};
}
}
// process waiting_buffer
if (!IS_NOEVENT(record.event) && waiting_buffer_head != waiting_buffer_tail) {
debug("---- action_exec: process waiting_buffer -----\n");
}
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_record(waiting_buffer[waiting_buffer_tail]);
debug("\n\n");
} else {
break;
}
}
if (!IS_NOEVENT(record.event)) {
debug("\n");
}
}
/** \brief 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. */
bool process_tapping(keyrecord_t *keyp) {
keyevent_t event = keyp->event;
# if (defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)) || defined(TAPPING_TERM_PER_KEY) || defined(PERMISSIVE_HOLD_PER_KEY) || defined(TAPPING_FORCE_HOLD_PER_KEY) || defined(HOLD_ON_OTHER_KEY_PRESS_PER_KEY)
uint16_t tapping_keycode = get_record_keycode(&tapping_key, false);
# endif
// if tapping
if (IS_TAPPING_PRESSED()) {
// clang-format off
if (WITHIN_TAPPING_TERM(event)
# if defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)
|| (
# ifdef RETRO_TAPPING_PER_KEY
get_retro_tapping(tapping_keycode, keyp) &&
# endif
(RETRO_SHIFT + 0) != 0 && TIMER_DIFF_16(event.time, tapping_key.event.time) < (RETRO_SHIFT + 0)
)
# endif
) {
// clang-format on
if (tapping_key.tap.count == 0) {
if (IS_TAPPING_RECORD(keyp) && !event.pressed) {
# if defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)
retroshift_swap_times();
# endif
// first tap!
debug("Tapping: First tap(0->1).\n");
tapping_key.tap.count = 1;
debug_tapping_key();
process_record(&tapping_key);
// copy tapping state
keyp->tap = tapping_key.tap;
// enqueue
return false;
}
/* Process a key typed within TAPPING_TERM
* This can register the key before settlement of tapping,
* useful for long TAPPING_TERM but may prevent fast typing.
*/
// clang-format off
# if defined(TAPPING_TERM_PER_KEY) || (TAPPING_TERM >= 500) || defined(PERMISSIVE_HOLD) || defined(PERMISSIVE_HOLD_PER_KEY) || (defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT))
else if (
(
(
(
# ifdef TAPPING_TERM_PER_KEY
get_tapping_term(tapping_keycode, keyp)
# else
g_tapping_term
# endif
>= 500
)
# ifdef PERMISSIVE_HOLD_PER_KEY
|| get_permissive_hold(tapping_keycode, keyp)
# elif defined(PERMISSIVE_HOLD)
|| true
# endif
) && IS_RELEASED(event) && waiting_buffer_typed(event)
)
// Causes nested taps to not wait past TAPPING_TERM/RETRO_SHIFT
// unnecessarily and fixes them for Layer Taps.
# if defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)
|| (
# ifdef RETRO_TAPPING_PER_KEY
get_retro_tapping(tapping_keycode, keyp) &&
# endif
(
// Rolled over the two keys.
(
(
false
# if defined(HOLD_ON_OTHER_KEY_PRESS) || defined(HOLD_ON_OTHER_KEY_PRESS_PER_KEY)
|| (
IS_LT(tapping_keycode)
# ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
&& get_hold_on_other_key_press(tapping_keycode, keyp)
# endif
)
# endif
# if !defined(IGNORE_MOD_TAP_INTERRUPT) || defined(IGNORE_MOD_TAP_INTERRUPT_PER_KEY)
|| (
IS_MT(tapping_keycode)
# ifdef IGNORE_MOD_TAP_INTERRUPT_PER_KEY
&& !get_ignore_mod_tap_interrupt(tapping_keycode, keyp)
# endif
)
# endif
) && tapping_key.tap.interrupted == true
)
// Makes Retro Shift ignore [IGNORE_MOD_TAP_INTERRUPT's
// effects on nested taps for MTs and the default
// behavior of LTs] below TAPPING_TERM or RETRO_SHIFT.
|| (
IS_RETRO(tapping_keycode)
&& (event.key.col != tapping_key.event.key.col || event.key.row != tapping_key.event.key.row)
&& IS_RELEASED(event) && waiting_buffer_typed(event)
)
)
)
# endif
) {
// clang-format on
debug("Tapping: End. No tap. Interfered by typing key\n");
process_record(&tapping_key);
tapping_key = (keyrecord_t){};
debug_tapping_key();
// enqueue
return false;
}
# endif
/* Process release event of a key pressed before tapping starts
* Without this unexpected repeating will occur with having fast repeating setting
* https://github.com/tmk/tmk_keyboard/issues/60
*/
else if (IS_RELEASED(event) && !waiting_buffer_typed(event)) {
// Modifier should be retained till end of this tapping.
action_t action = layer_switch_get_action(event.key);
switch (action.kind.id) {
case ACT_LMODS:
case ACT_RMODS:
if (action.key.mods && !action.key.code) return false;
if (IS_MOD(action.key.code)) return false;
break;
case ACT_LMODS_TAP:
case ACT_RMODS_TAP:
if (action.key.mods && keyp->tap.count == 0) return false;
if (IS_MOD(action.key.code)) return false;
break;
}
// Release of key should be process immediately.
debug("Tapping: release event of a key pressed before tapping\n");
process_record(keyp);
return true;
} else {
// set interrupted flag when other key preesed during tapping
if (event.pressed) {
tapping_key.tap.interrupted = true;
# if defined(HOLD_ON_OTHER_KEY_PRESS) || defined(HOLD_ON_OTHER_KEY_PRESS_PER_KEY)
# if defined(HOLD_ON_OTHER_KEY_PRESS_PER_KEY)
if (get_hold_on_other_key_press(tapping_keycode, keyp))
# endif
{
debug("Tapping: End. No tap. Interfered by pressed key\n");
process_record(&tapping_key);
tapping_key = (keyrecord_t){};
debug_tapping_key();
// enqueue
return false;
}
# endif
}
// enqueue
return false;
}
}
// tap_count > 0
else {
if (IS_TAPPING_RECORD(keyp) && !event.pressed) {
debug("Tapping: Tap release(");
debug_dec(tapping_key.tap.count);
debug(")\n");
keyp->tap = tapping_key.tap;
process_record(keyp);
tapping_key = *keyp;
debug_tapping_key();
return true;
} else if (is_tap_record(keyp) && event.pressed) {
if (tapping_key.tap.count > 1) {
debug("Tapping: Start new tap with releasing last tap(>1).\n");
// unregister key
process_record(&(keyrecord_t){
.tap = tapping_key.tap,
.event.key = tapping_key.event.key,
.event.time = event.time,
.event.pressed = false,
# ifdef COMBO_ENABLE
.keycode = tapping_key.keycode,
# endif
});
} 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(event)) {
debug("Tapping: key event while last tap(>0).\n");
}
process_record(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_record(&tapping_key);
tapping_key = (keyrecord_t){};
debug_tapping_key();
return false;
} else {
if (IS_TAPPING_RECORD(keyp) && !event.pressed) {
debug("Tapping: End. last timeout tap release(>0).");
keyp->tap = tapping_key.tap;
process_record(keyp);
tapping_key = (keyrecord_t){};
return true;
} else if (is_tap_record(keyp) && event.pressed) {
if (tapping_key.tap.count > 1) {
debug("Tapping: Start new tap with releasing last timeout tap(>1).\n");
// unregister key
process_record(&(keyrecord_t){
.tap = tapping_key.tap,
.event.key = tapping_key.event.key,
.event.time = event.time,
.event.pressed = false,
# ifdef COMBO_ENABLE
.keycode = tapping_key.keycode,
# endif
});
} 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(event)) {
debug("Tapping: key event while last timeout tap(>0).\n");
}
process_record(keyp);
return true;
}
}
}
} else if (IS_TAPPING_RELEASED()) {
// clang-format off
if (WITHIN_TAPPING_TERM(event)
# if defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)
|| (
# ifdef RETRO_TAPPING_PER_KEY
get_retro_tapping(tapping_keycode, keyp) &&
# endif
(RETRO_SHIFT + 0) != 0 && TIMER_DIFF_16(event.time, tapping_key.event.time) < (RETRO_SHIFT + 0)
)
# endif
) {
// clang-format on
if (event.pressed) {
if (IS_TAPPING_RECORD(keyp)) {
//# ifndef TAPPING_FORCE_HOLD
# if !defined(TAPPING_FORCE_HOLD) || defined(TAPPING_FORCE_HOLD_PER_KEY)
if (
# ifdef TAPPING_FORCE_HOLD_PER_KEY
!get_tapping_force_hold(tapping_keycode, keyp) &&
# endif
!tapping_key.tap.interrupted && tapping_key.tap.count > 0) {
// sequential tap.
keyp->tap = tapping_key.tap;
if (keyp->tap.count < 15) keyp->tap.count += 1;
debug("Tapping: Tap press(");
debug_dec(keyp->tap.count);
debug(")\n");
process_record(keyp);
tapping_key = *keyp;
debug_tapping_key();
return true;
}
# endif
// FIX: start new tap again
tapping_key = *keyp;
return true;
} else if (is_tap_record(keyp)) {
// 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 {
// should none in buffer
// FIX: interrupted when other key is pressed
tapping_key.tap.interrupted = true;
process_record(keyp);
return true;
}
} else {
if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n");
process_record(keyp);
return true;
}
} else {
// FIX: process_action here?
// 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 state
else {
if (event.pressed && is_tap_record(keyp)) {
debug("Tapping: Start(Press tap key).\n");
tapping_key = *keyp;
process_record_tap_hint(&tapping_key);
waiting_buffer_scan_tap();
debug_tapping_key();
return true;
} else {
process_record(keyp);
return true;
}
}
}
/** \brief Waiting buffer enq
*
* FIXME: Needs docs
*/
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;
}
waiting_buffer[waiting_buffer_head] = record;
waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE;
debug("waiting_buffer_enq: ");
debug_waiting_buffer();
return true;
}
/** \brief Waiting buffer clear
*
* FIXME: Needs docs
*/
void waiting_buffer_clear(void) {
waiting_buffer_head = 0;
waiting_buffer_tail = 0;
}
/** \brief Waiting buffer typed
*
* FIXME: Needs docs
*/
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;
}
/** \brief Waiting buffer has anykey pressed
*
* FIXME: Needs docs
*/
__attribute__((unused)) 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;
}
/** \brief Scan buffer for tapping
*
* FIXME: Needs docs
*/
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_record(&tapping_key);
debug("waiting_buffer_scan_tap: found at [");
debug_dec(i);
debug("]\n");
debug_waiting_buffer();
return;
}
}
}
/** \brief Tapping key debug print
*
* FIXME: Needs docs
*/
static void debug_tapping_key(void) {
debug("TAPPING_KEY=");
debug_record(tapping_key);
debug("\n");
}
/** \brief Waiting buffer debug print
*
* FIXME: Needs docs
*/
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");
}
#endif
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