130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/* Copyright 2021 Joshua T.
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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 "num_word.h"
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static uint16_t num_word_timer = 0;
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static bool is_num_word_on = false;
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bool is_num_word_enabled(void) {
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return is_num_word_on;
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}
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void enable_num_word(void) {
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if (is_num_word_on) return;
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is_num_word_on = true;
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layer_on(L_NUMBERS);
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}
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void disable_num_word(void) {
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if (!is_num_word_on) return;
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is_num_word_on = false;
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layer_off(L_NUMBERS);
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}
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void toggle_num_word(void) {
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if (is_num_word_on) {
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disable_num_word();
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}
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else {
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enable_num_word();
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}
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}
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bool should_terminate_num_word(uint16_t keycode, const keyrecord_t *record) {
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switch (keycode) {
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// Keycodes which should not disable num word mode.
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// We could probably be more brief with these definitions by using
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// a couple more ranges, but I believe "explicit is better than
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// implicit"
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case KC_1 ... KC_0:
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case KC_EQL:
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case KC_SCLN:
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case KC_MINS:
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case KC_DOT:
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// Numpad keycodes
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case KC_P1 ... KC_P0:
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case KC_PSLS ... KC_PPLS:
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case KC_PDOT:
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// Misc
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case KC_UNDS:
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case KC_BSPC:
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return false;
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default:
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if (record->event.pressed) {
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return true;
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}
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return false;
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}
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// Should be unreachable
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return false;
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}
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bool process_record_num_word(uint16_t keycode, const keyrecord_t *record) {
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// Handle the custom keycodes that go with this feature
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if (keycode == NUMWORD) {
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if (record->event.pressed) {
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enable_num_word();
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num_word_timer = timer_read();
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return false;
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}
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else {
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if (timer_elapsed(num_word_timer) > TAPPING_TERM) {
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// If the user held the key longer than TAPPING_TERM,
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// consider it a hold, and disable the behavior on
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// key release.
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disable_num_word();
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return false;
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}
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}
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}
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// Other than the custom keycodes, nothing else in this feature will
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// activate if the behavior is not on, so allow QMK to handle the
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// event as usual
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if (!is_num_word_on) return true;
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// Nothing else acts on key release, either
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if (!record->event.pressed) {
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return true;
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}
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// Get the base keycode of a mod or layer tap key
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switch (keycode) {
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case QK_MOD_TAP ... QK_MOD_TAP_MAX:
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case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
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case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
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// Earlier return if this has not been considered tapped yet
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if (record->tap.count == 0)
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return true;
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keycode = keycode & 0xFF;
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break;
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default:
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break;
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}
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if (should_terminate_num_word(keycode, record)) {
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disable_num_word();
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}
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return true;
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}
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