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#include "quantum.h"
static qk_tap_dance_state_t qk_tap_dance_state;
static void _process_tap_dance_action_pair (qk_tap_dance_state_t *state,
uint16_t kc1, uint16_t kc2) {
uint16_t kc;
if (state->count == 0)
return;
kc = (state->count == 1) ? kc1 : kc2;
register_code (kc);
unregister_code (kc);
if (state->count >= 2) {
reset_tap_dance (state);
}
}
static void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
qk_tap_dance_user_fn_t fn)
{
if (fn) {
fn(state);
}
}
void process_tap_dance_action_on_each_tap (uint16_t keycode)
{
uint16_t idx = keycode - QK_TAP_DANCE;
qk_tap_dance_action_t action;
action = tap_dance_actions[idx];
switch (action.type) {
case QK_TAP_DANCE_TYPE_FN:
_process_tap_dance_action_fn (&qk_tap_dance_state, action.fn.on_each_tap);
break;
default:
break;
}
}
void process_tap_dance_action_on_dance_finished (uint16_t keycode)
{
uint16_t idx = keycode - QK_TAP_DANCE;
qk_tap_dance_action_t action;
action = tap_dance_actions[idx];
switch (action.type) {
case QK_TAP_DANCE_TYPE_PAIR:
_process_tap_dance_action_pair (&qk_tap_dance_state,
action.pair.kc1, action.pair.kc2);
break;
case QK_TAP_DANCE_TYPE_FN:
_process_tap_dance_action_fn (&qk_tap_dance_state, action.fn.on_dance_finished);
break;
default:
break;
}
}
bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
bool r = true;
switch(keycode) {
case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
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 ();
qk_tap_dance_state.count++;
}
break;
default:
if (qk_tap_dance_state.keycode) {
// if we are here, the tap dance was interrupted by a different key
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;
}
return r;
}
void matrix_scan_tap_dance () {
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);
}
}
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:
if (action.fn.on_reset) {
action.fn.on_reset(state);
}
break;
default:
break;
}
state->keycode = 0;
state->count = 0;
state->active = false;
}
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