qmk_firmware/quantum/process_keycode/process_tap_dance.c
Gergely Nagy 44e16ffc80 tap-dance: Code cleanup
Removes a number of duplicated code, by passing actions around instead
of keycodes, so the various dance action functions do not have to look
up the action, but the caller does that for them.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
2016-07-22 09:10:17 +02:00

117 lines
3.4 KiB
C

#include "quantum.h"
static qk_tap_dance_state_t qk_tap_dance_state;
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_code (pair->kc1);
} else if (state->count == 2) {
register_code (pair->kc2);
}
}
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;
if (state->count == 1) {
unregister_code (pair->kc1);
} else if (state->count == 2) {
unregister_code (pair->kc2);
}
}
static inline void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
void *user_data,
qk_tap_dance_user_fn_t fn)
{
if (fn) {
fn(state, user_data);
}
}
static inline void process_tap_dance_action_on_each_tap (qk_tap_dance_action_t action)
{
_process_tap_dance_action_fn (&qk_tap_dance_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)
{
_process_tap_dance_action_fn (&qk_tap_dance_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 (&qk_tap_dance_state, action.user_data, action.fn.on_reset);
}
bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
bool r = true;
uint16_t idx = keycode - QK_TAP_DANCE;
qk_tap_dance_action_t action;
switch(keycode) {
case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
action = tap_dance_actions[idx];
process_tap_dance_action_on_each_tap (action);
if (qk_tap_dance_state.keycode && qk_tap_dance_state.keycode != keycode) {
process_tap_dance_action_on_dance_finished (action);
} 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
idx = qk_tap_dance_state.keycode - QK_TAP_DANCE;
action = tap_dance_actions[idx];
process_tap_dance_action_on_each_tap (action);
process_tap_dance_action_on_dance_finished (action);
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
uint16_t idx = qk_tap_dance_state.keycode - QK_TAP_DANCE;
qk_tap_dance_action_t action = tap_dance_actions[idx];
process_tap_dance_action_on_dance_finished (action);
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];
process_tap_dance_action_on_reset (action);
state->keycode = 0;
state->count = 0;
state->active = false;
}