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tap-dance: Do not start a sequence on keyup

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There was an odd case, which confused the hell out of tap-dance: suppose
you had a number of tap-dance keys, on a layer, and as part of the
tap-dance, you turned that layer off - or had it on one-shot to begin
with. In this case, the keydown event would trigger the tap-dance key,
but the keyup would not. This had two funky consequences:

- tap-dance did not correctly register that the dance has ended.
- pressing any other tap-dance key would interrupt the previous
  tap-dance, and potentially input unwanted characters.

To fix this, we simply do not start a tap-dance sequence on keyup, only
when it is pressed. This way the previous sequence has enough time to
time-out and finish properly, and we don't get confused.

This fixes algernon/ergodox-layout#107.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
This commit is contained in:
Gergely Nagy 2016-09-01 08:32:47 +02:00
parent e28d151a8a
commit acda2b793f
1 changed files with 3 additions and 2 deletions
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5
quantum/process_keycode/process_tap_dance.c
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@ -65,9 +65,9 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
highest_td = idx;
action = &tap_dance_actions[idx];
action->state.keycode = keycode;
action->state.pressed = record->event.pressed;
if (record->event.pressed) {
action->state.keycode = keycode;
action->state.count++;
action->state.timer = timer_read();
@ -77,8 +77,9 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
process_tap_dance_action_on_dance_finished (paction);
reset_tap_dance (&paction->state);
}
}
last_td = keycode;
}
break;