201 lines
6.6 KiB
C
201 lines
6.6 KiB
C
/* Copyright 2016 Jack Humbert
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "quantum.h"
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#ifndef NO_ACTION_ONESHOT
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uint8_t get_oneshot_mods(void);
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#endif
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static uint16_t last_td;
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static int8_t highest_td = -1;
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void qk_tap_dance_pair_on_each_tap(qk_tap_dance_state_t *state, void *user_data) {
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qk_tap_dance_pair_t *pair = (qk_tap_dance_pair_t *)user_data;
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if (state->count == 2) {
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register_code16(pair->kc2);
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state->finished = true;
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}
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}
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void qk_tap_dance_pair_finished(qk_tap_dance_state_t *state, void *user_data) {
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qk_tap_dance_pair_t *pair = (qk_tap_dance_pair_t *)user_data;
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if (state->count == 1) {
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register_code16(pair->kc1);
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} else if (state->count == 2) {
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register_code16(pair->kc2);
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}
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}
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void qk_tap_dance_pair_reset(qk_tap_dance_state_t *state, void *user_data) {
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qk_tap_dance_pair_t *pair = (qk_tap_dance_pair_t *)user_data;
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if (state->count == 1) {
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unregister_code16(pair->kc1);
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} else if (state->count == 2) {
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unregister_code16(pair->kc2);
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}
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}
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void qk_tap_dance_dual_role_on_each_tap(qk_tap_dance_state_t *state, void *user_data) {
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qk_tap_dance_dual_role_t *pair = (qk_tap_dance_dual_role_t *)user_data;
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if (state->count == 2) {
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layer_move(pair->layer);
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state->finished = true;
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}
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}
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void qk_tap_dance_dual_role_finished(qk_tap_dance_state_t *state, void *user_data) {
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qk_tap_dance_dual_role_t *pair = (qk_tap_dance_dual_role_t *)user_data;
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if (state->count == 1) {
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register_code16(pair->kc);
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} else if (state->count == 2) {
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pair->layer_function(pair->layer);
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}
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}
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void qk_tap_dance_dual_role_reset(qk_tap_dance_state_t *state, void *user_data) {
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qk_tap_dance_dual_role_t *pair = (qk_tap_dance_dual_role_t *)user_data;
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if (state->count == 1) {
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unregister_code16(pair->kc);
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}
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}
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static inline void _process_tap_dance_action_fn(qk_tap_dance_state_t *state, void *user_data, qk_tap_dance_user_fn_t fn) {
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if (fn) {
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fn(state, user_data);
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}
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}
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static inline void process_tap_dance_action_on_each_tap(qk_tap_dance_action_t *action) { _process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_each_tap); }
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static inline void process_tap_dance_action_on_dance_finished(qk_tap_dance_action_t *action) {
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if (action->state.finished) return;
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action->state.finished = true;
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add_mods(action->state.oneshot_mods);
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add_weak_mods(action->state.weak_mods);
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send_keyboard_report();
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_process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_dance_finished);
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}
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static inline void process_tap_dance_action_on_reset(qk_tap_dance_action_t *action) {
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_process_tap_dance_action_fn(&action->state, action->user_data, action->fn.on_reset);
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del_mods(action->state.oneshot_mods);
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del_weak_mods(action->state.weak_mods);
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send_keyboard_report();
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}
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void preprocess_tap_dance(uint16_t keycode, keyrecord_t *record) {
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qk_tap_dance_action_t *action;
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if (!record->event.pressed) return;
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if (highest_td == -1) return;
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for (int i = 0; i <= highest_td; i++) {
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action = &tap_dance_actions[i];
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if (action->state.count) {
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if (keycode == action->state.keycode && keycode == last_td) continue;
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action->state.interrupted = true;
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action->state.interrupting_keycode = keycode;
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process_tap_dance_action_on_dance_finished(action);
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reset_tap_dance(&action->state);
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// Tap dance actions can leave some weak mods active (e.g., if the tap dance is mapped to a keycode with
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// modifiers), but these weak mods should not affect the keypress which interrupted the tap dance.
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clear_weak_mods();
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}
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}
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}
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bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
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uint16_t idx = keycode - QK_TAP_DANCE;
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qk_tap_dance_action_t *action;
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switch (keycode) {
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case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
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if ((int16_t)idx > highest_td) highest_td = idx;
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action = &tap_dance_actions[idx];
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action->state.pressed = record->event.pressed;
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if (record->event.pressed) {
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action->state.keycode = keycode;
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action->state.count++;
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action->state.timer = timer_read();
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#ifndef NO_ACTION_ONESHOT
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action->state.oneshot_mods = get_oneshot_mods();
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#else
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action->state.oneshot_mods = 0;
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#endif
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action->state.weak_mods = get_mods();
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action->state.weak_mods |= get_weak_mods();
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process_tap_dance_action_on_each_tap(action);
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last_td = keycode;
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} else {
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if (action->state.count && action->state.finished) {
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reset_tap_dance(&action->state);
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}
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}
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break;
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}
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return true;
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}
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void tap_dance_task() {
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if (highest_td == -1) return;
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uint16_t tap_user_defined;
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for (uint8_t i = 0; i <= highest_td; i++) {
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qk_tap_dance_action_t *action = &tap_dance_actions[i];
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if (action->custom_tapping_term > 0) {
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tap_user_defined = action->custom_tapping_term;
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} else {
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#ifdef TAPPING_TERM_PER_KEY
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tap_user_defined = get_tapping_term(action->state.keycode, NULL);
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#else
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tap_user_defined = TAPPING_TERM;
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#endif
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}
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if (action->state.count && timer_elapsed(action->state.timer) > tap_user_defined) {
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process_tap_dance_action_on_dance_finished(action);
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reset_tap_dance(&action->state);
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}
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}
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}
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void reset_tap_dance(qk_tap_dance_state_t *state) {
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qk_tap_dance_action_t *action;
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if (state->pressed) return;
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action = &tap_dance_actions[state->keycode - QK_TAP_DANCE];
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process_tap_dance_action_on_reset(action);
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state->count = 0;
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state->interrupted = false;
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state->finished = false;
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state->interrupting_keycode = 0;
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last_td = 0;
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}
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