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race condition between oneshot_mods and tap_dance

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since the keycode for a tap dance process gets process only after the
TAPPING_TERM timeout, you really only have ONESHOT_TIMEOUT -
TAPPING_TERM time to tap or double tap on the key. This fix save the
oneshot_mods into the action.state structure and applies the mods with
the keycode when it's registered. It also unregisters the mod when the
the tap dance process gets reset.
This commit is contained in:
SjB 2017-01-29 13:04:43 -05:00
parent ec05f65421
commit 5a860b71a1
2 changed files with 7 additions and 1 deletions
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7
quantum/process_keycode/process_tap_dance.c
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@ -43,12 +43,16 @@ static inline void process_tap_dance_action_on_dance_finished (qk_tap_dance_acti
if (action->state.finished)
return;
action->state.finished = true;
add_mods(action->state.oneshot_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);
send_keyboard_report();
}
bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
@ -70,6 +74,7 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
action->state.keycode = keycode;
action->state.count++;
action->state.timer = timer_read();
action->state.oneshot_mods = get_oneshot_mods();
process_tap_dance_action_on_each_tap (action);
if (last_td && last_td != keycode) {
@ -109,7 +114,7 @@ void matrix_scan_tap_dance () {
if (highest_td == -1)
return;
for (int i = 0; i <= highest_td; i++) {
for (int i = 0; i <= highest_td; i++) {
qk_tap_dance_action_t *action = &tap_dance_actions[i];
if (action->state.count && timer_elapsed (action->state.timer) > TAPPING_TERM) {

1
quantum/process_keycode/process_tap_dance.h
View file

@ -9,6 +9,7 @@
typedef struct
{
uint8_t count;
uint8_t oneshot_mods;
uint16_t keycode;
uint16_t timer;
bool interrupted;