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tap-dance: Support for holding keys 

With this change, tap dance will now store the pressed state of the
tap-dance key, and allow one to make an action sooner, while the key is
still held, and only unregister when the key is released.

The registration must happen in the `on_dance_finished` callback, while
unregistering goes to `on_reset`. The surrounding code makes sure not to
call either multiple times.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
This commit is contained in:
Gergely Nagy 2016-07-20 10:22:52 +02:00
parent 8e1d96983a
commit 70e42489de
2 changed files with 12 additions and 1 deletions
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11
quantum/process_keycode/process_tap_dance.c
View File

@ -73,10 +73,14 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
process_tap_dance_action_on_each_tap (qk_tap_dance_state.keycode);
if (qk_tap_dance_state.keycode && qk_tap_dance_state.keycode != keycode) {
process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
} else if (qk_tap_dance_state.active && qk_tap_dance_state.pressed) {
reset_tap_dance (&qk_tap_dance_state);
} else {
r = false;
}
qk_tap_dance_state.active = true;
qk_tap_dance_state.pressed = record->event.pressed;
if (record->event.pressed) {
qk_tap_dance_state.keycode = keycode;
qk_tap_dance_state.timer = timer_read ();
@ -90,6 +94,7 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
process_tap_dance_action_on_each_tap (qk_tap_dance_state.keycode);
process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
reset_tap_dance (&qk_tap_dance_state);
qk_tap_dance_state.active = false;
}
break;
}
@ -98,7 +103,7 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
}
void matrix_scan_tap_dance () {
if (qk_tap_dance_state.keycode && timer_elapsed (qk_tap_dance_state.timer) > TAPPING_TERM) {
if (qk_tap_dance_state.active && timer_elapsed (qk_tap_dance_state.timer) > TAPPING_TERM) {
// if we are here, the tap dance was timed out
process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
reset_tap_dance (&qk_tap_dance_state);
@ -109,6 +114,9 @@ void reset_tap_dance (qk_tap_dance_state_t *state) {
uint16_t idx = state->keycode - QK_TAP_DANCE;
qk_tap_dance_action_t action;
if (state->pressed)
return;
action = tap_dance_actions[idx];
switch (action.type) {
case QK_TAP_DANCE_TYPE_FN:
@ -123,4 +131,5 @@ void reset_tap_dance (qk_tap_dance_state_t *state) {
state->keycode = 0;
state->count = 0;
state->active = false;
}

2
quantum/process_keycode/process_tap_dance.h
View File

@ -11,6 +11,8 @@ typedef struct
uint8_t count;
uint16_t keycode;
uint16_t timer;
bool active:1;
bool pressed:1;
} qk_tap_dance_state_t;
#define TD(n) (QK_TAP_DANCE + n)