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tap-dance: Restructure code and document in more detail (#16394)

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This commit is contained in:
Jouke Witteveen
2022-06-13 22:12:55 +02:00
committed by GitHub
parent b17324498e
commit 1706da9054
52 changed files with 970 additions and 244 deletions
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131
quantum/process_keycode/process_tap_dance.c
View File

@@ -15,12 +15,8 @@
*/
#include "quantum.h"
#ifndef NO_ACTION_ONESHOT
uint8_t get_oneshot_mods(void);
#endif
static uint16_t last_td;
static int16_t highest_td = -1;
static uint16_t active_td;
static uint16_t last_tap_time;
void qk_tap_dance_pair_on_each_tap(qk_tap_dance_state_t *state, void *user_data) {
qk_tap_dance_pair_t *pair = (qk_tap_dance_pair_t *)user_data;
@@ -34,18 +30,14 @@ void qk_tap_dance_pair_on_each_tap(qk_tap_dance_state_t *state, void *user_data)
void qk_tap_dance_pair_finished(qk_tap_dance_state_t *state, void *user_data) {
qk_tap_dance_pair_t *pair = (qk_tap_dance_pair_t *)user_data;
if (state->count == 1) {
register_code16(pair->kc1);
} else if (state->count == 2) {
register_code16(pair->kc2);
}
register_code16(pair->kc1);
}
void qk_tap_dance_pair_reset(qk_tap_dance_state_t *state, void *user_data) {
qk_tap_dance_pair_t *pair = (qk_tap_dance_pair_t *)user_data;
wait_ms(TAP_CODE_DELAY);
if (state->count == 1) {
wait_ms(TAP_CODE_DELAY);
unregister_code16(pair->kc1);
} else if (state->count == 2) {
unregister_code16(pair->kc2);
@@ -87,23 +79,40 @@ static inline void _process_tap_dance_action_fn(qk_tap_dance_state_t *state, voi
}
static inline void process_tap_dance_action_on_each_tap(qk_tap_dance_action_t *action) {
action->state.count++;
action->state.weak_mods = get_mods();
action->state.weak_mods |= get_weak_mods();
#ifndef NO_ACTION_ONESHOT
action->state.oneshot_mods = get_oneshot_mods();
#endif
_process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_each_tap);
}
static inline void process_tap_dance_action_on_dance_finished(qk_tap_dance_action_t *action) {
if (action->state.finished) return;
action->state.finished = true;
add_mods(action->state.oneshot_mods);
add_weak_mods(action->state.weak_mods);
send_keyboard_report();
_process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_dance_finished);
}
static inline void process_tap_dance_action_on_reset(qk_tap_dance_action_t *action) {
_process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_reset);
del_mods(action->state.oneshot_mods);
del_weak_mods(action->state.weak_mods);
#ifndef NO_ACTION_ONESHOT
del_mods(action->state.oneshot_mods);
#endif
send_keyboard_report();
action->state = (const qk_tap_dance_state_t){0};
}
static inline void process_tap_dance_action_on_dance_finished(qk_tap_dance_action_t *action) {
if (!action->state.finished) {
action->state.finished = true;
add_weak_mods(action->state.weak_mods);
#ifndef NO_ACTION_ONESHOT
add_mods(action->state.oneshot_mods);
#endif
send_keyboard_report();
_process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_dance_finished);
}
active_td = 0;
if (!action->state.pressed) {
// There will not be a key release event, so reset now.
process_tap_dance_action_on_reset(action);
}
}
void preprocess_tap_dance(uint16_t keycode, keyrecord_t *record) {
@@ -111,51 +120,33 @@ void preprocess_tap_dance(uint16_t keycode, keyrecord_t *record) {
if (!record->event.pressed) return;
if (highest_td == -1) return;
if (!active_td || keycode == active_td) return;
for (int i = 0; i <= highest_td; i++) {
action = &tap_dance_actions[i];
if (action->state.count) {
if (keycode == action->state.keycode && keycode == last_td) continue;
action->state.interrupted = true;
action->state.interrupting_keycode = keycode;
process_tap_dance_action_on_dance_finished(action);
reset_tap_dance(&action->state);
action = &tap_dance_actions[TD_INDEX(active_td)];
action->state.interrupted = true;
action->state.interrupting_keycode = keycode;
process_tap_dance_action_on_dance_finished(action);
// Tap dance actions can leave some weak mods active (e.g., if the tap dance is mapped to a keycode with
// modifiers), but these weak mods should not affect the keypress which interrupted the tap dance.
clear_weak_mods();
}
}
// Tap dance actions can leave some weak mods active (e.g., if the tap dance is mapped to a keycode with
// modifiers), but these weak mods should not affect the keypress which interrupted the tap dance.
clear_weak_mods();
}
bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
uint16_t idx = keycode - QK_TAP_DANCE;
qk_tap_dance_action_t *action;
switch (keycode) {
case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
if ((int16_t)idx > highest_td) highest_td = idx;
action = &tap_dance_actions[idx];
action = &tap_dance_actions[TD_INDEX(keycode)];
action->state.pressed = record->event.pressed;
if (record->event.pressed) {
action->state.keycode = keycode;
action->state.count++;
action->state.timer = timer_read();
#ifndef NO_ACTION_ONESHOT
action->state.oneshot_mods = get_oneshot_mods();
#else
action->state.oneshot_mods = 0;
#endif
action->state.weak_mods = get_mods();
action->state.weak_mods |= get_weak_mods();
last_tap_time = timer_read();
process_tap_dance_action_on_each_tap(action);
last_td = keycode;
active_td = action->state.finished ? 0 : keycode;
} else {
if (action->state.count && action->state.finished) {
reset_tap_dance(&action->state);
if (action->state.finished) {
process_tap_dance_action_on_reset(action);
}
}
@@ -166,35 +157,17 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
}
void tap_dance_task() {
if (highest_td == -1) return;
uint16_t tap_user_defined;
qk_tap_dance_action_t *action;
for (uint8_t i = 0; i <= highest_td; i++) {
qk_tap_dance_action_t *action = &tap_dance_actions[i];
if (action->custom_tapping_term > 0) {
tap_user_defined = action->custom_tapping_term;
} else {
tap_user_defined = GET_TAPPING_TERM(action->state.keycode, &(keyrecord_t){});
}
if (action->state.count && timer_elapsed(action->state.timer) > tap_user_defined) {
process_tap_dance_action_on_dance_finished(action);
reset_tap_dance(&action->state);
}
if (!active_td || timer_elapsed(last_tap_time) <= GET_TAPPING_TERM(active_td, &(keyrecord_t){})) return;
action = &tap_dance_actions[TD_INDEX(active_td)];
if (!action->state.interrupted) {
process_tap_dance_action_on_dance_finished(action);
}
}
void reset_tap_dance(qk_tap_dance_state_t *state) {
qk_tap_dance_action_t *action;
if (state->pressed) return;
action = &tap_dance_actions[state->keycode - QK_TAP_DANCE];
process_tap_dance_action_on_reset(action);
state->count = 0;
state->interrupted = false;
state->finished = false;
state->interrupting_keycode = 0;
last_td = 0;
active_td = 0;
process_tap_dance_action_on_reset((qk_tap_dance_action_t *)state);
}

35
quantum/process_keycode/process_tap_dance.h
View File

@@ -22,30 +22,27 @@
# include <inttypes.h>
typedef struct {
uint8_t count;
uint8_t oneshot_mods;
uint8_t weak_mods;
uint16_t keycode;
uint16_t interrupting_keycode;
uint16_t timer;
bool interrupted;
bool pressed;
bool finished;
uint8_t count;
uint8_t weak_mods;
# ifndef NO_ACTION_ONESHOT
uint8_t oneshot_mods;
# endif
bool pressed : 1;
bool finished : 1;
bool interrupted : 1;
} qk_tap_dance_state_t;
# define TD(n) (QK_TAP_DANCE | ((n)&0xFF))
typedef void (*qk_tap_dance_user_fn_t)(qk_tap_dance_state_t *state, void *user_data);
typedef struct {
qk_tap_dance_state_t state;
struct {
qk_tap_dance_user_fn_t on_each_tap;
qk_tap_dance_user_fn_t on_dance_finished;
qk_tap_dance_user_fn_t on_reset;
} fn;
qk_tap_dance_state_t state;
uint16_t custom_tapping_term;
void * user_data;
void *user_data;
} qk_tap_dance_action_t;
typedef struct {
@@ -62,31 +59,31 @@ typedef struct {
# define ACTION_TAP_DANCE_DOUBLE(kc1, kc2) \
{ .fn = {qk_tap_dance_pair_on_each_tap, qk_tap_dance_pair_finished, qk_tap_dance_pair_reset}, .user_data = (void *)&((qk_tap_dance_pair_t){kc1, kc2}), }
# define ACTION_TAP_DANCE_DUAL_ROLE(kc, layer) \
# define ACTION_TAP_DANCE_LAYER_MOVE(kc, layer) \
{ .fn = {qk_tap_dance_dual_role_on_each_tap, qk_tap_dance_dual_role_finished, qk_tap_dance_dual_role_reset}, .user_data = (void *)&((qk_tap_dance_dual_role_t){kc, layer, layer_move}), }
# define ACTION_TAP_DANCE_LAYER_TOGGLE(kc, layer) \
{ .fn = {NULL, qk_tap_dance_dual_role_finished, qk_tap_dance_dual_role_reset}, .user_data = (void *)&((qk_tap_dance_dual_role_t){kc, layer, layer_invert}), }
# define ACTION_TAP_DANCE_LAYER_MOVE(kc, layer) ACTION_TAP_DANCE_DUAL_ROLE(kc, layer)
# define ACTION_TAP_DANCE_FN(user_fn) \
{ .fn = {NULL, user_fn, NULL}, .user_data = NULL, }
# define ACTION_TAP_DANCE_FN_ADVANCED(user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset) \
{ .fn = {user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset}, .user_data = NULL, }
# define ACTION_TAP_DANCE_FN_ADVANCED_TIME(user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset, tap_specific_tapping_term) \
{ .fn = {user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset}, .user_data = NULL, .custom_tapping_term = tap_specific_tapping_term, }
# define TD(n) (QK_TAP_DANCE | TD_INDEX(n))
# define TD_INDEX(code) ((code)&0xFF)
# define TAP_DANCE_KEYCODE(state) TD(((qk_tap_dance_action_t *)state) - tap_dance_actions)
extern qk_tap_dance_action_t tap_dance_actions[];
void reset_tap_dance(qk_tap_dance_state_t *state);
/* To be used internally */
void preprocess_tap_dance(uint16_t keycode, keyrecord_t *record);
bool process_tap_dance(uint16_t keycode, keyrecord_t *record);
void tap_dance_task(void);
void reset_tap_dance(qk_tap_dance_state_t *state);
void qk_tap_dance_pair_on_each_tap(qk_tap_dance_state_t *state, void *user_data);
void qk_tap_dance_pair_finished(qk_tap_dance_state_t *state, void *user_data);