/* Copyright 2021 Joshua T. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "num_word.h" static uint16_t num_word_timer = 0; static bool is_num_word_on = false; bool is_num_word_enabled(void) { return is_num_word_on; } void enable_num_word(void) { if (is_num_word_on) return; is_num_word_on = true; layer_on(L_NUMBERS); } void disable_num_word(void) { if (!is_num_word_on) return; is_num_word_on = false; layer_off(L_NUMBERS); } void toggle_num_word(void) { if (is_num_word_on) { disable_num_word(); } else { enable_num_word(); } } bool should_terminate_num_word(uint16_t keycode, const keyrecord_t *record) { switch (keycode) { // Keycodes which should not disable num word mode. // We could probably be more brief with these definitions by using // a couple more ranges, but I believe "explicit is better than // implicit" case KC_1 ... KC_0: case KC_EQL: case KC_SCLN: case KC_MINS: case KC_DOT: // Numpad keycodes case KC_P1 ... KC_P0: case KC_PSLS ... KC_PPLS: case KC_PDOT: // Misc case KC_UNDS: case KC_BSPC: return false; default: if (record->event.pressed) { return true; } return false; } // Should be unreachable return false; } bool process_record_num_word(uint16_t keycode, const keyrecord_t *record) { // Handle the custom keycodes that go with this feature if (keycode == NUMWORD) { if (record->event.pressed) { enable_num_word(); num_word_timer = timer_read(); return false; } else { if (timer_elapsed(num_word_timer) > TAPPING_TERM) { // If the user held the key longer than TAPPING_TERM, // consider it a hold, and disable the behavior on // key release. disable_num_word(); return false; } } } // Other than the custom keycodes, nothing else in this feature will // activate if the behavior is not on, so allow QMK to handle the // event as usual if (!is_num_word_on) return true; // Nothing else acts on key release, either if (!record->event.pressed) { return true; } // Get the base keycode of a mod or layer tap key switch (keycode) { case QK_MOD_TAP ... QK_MOD_TAP_MAX: case QK_LAYER_TAP ... QK_LAYER_TAP_MAX: case QK_TAP_DANCE ... QK_TAP_DANCE_MAX: // Earlier return if this has not been considered tapped yet if (record->tap.count == 0) return true; keycode = keycode & 0xFF; break; default: break; } if (should_terminate_num_word(keycode, record)) { disable_num_word(); } return true; }