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+/* Copyright 2020 @tzarc
+ * 2021 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
+ *
+ * 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 "drashna.h"
+#include "process_unicode_common.h"
+
+uint16_t typing_mode;
+
+void tap_code16_nomods(uint8_t kc) {
+ uint8_t temp_mod = get_mods();
+ clear_mods();
+ clear_oneshot_mods();
+ tap_code16(kc);
+ set_mods(temp_mod);
+}
+
+void tap_unicode_glyph_nomods(uint32_t glyph) {
+ uint8_t temp_mod = get_mods();
+ clear_mods();
+ clear_oneshot_mods();
+ register_unicode(glyph);
+ set_mods(temp_mod);
+}
+
+typedef uint32_t (*translator_function_t)(bool is_shifted, uint32_t keycode);
+
+#define DEFINE_UNICODE_RANGE_TRANSLATOR(translator_name, lower_alpha, upper_alpha, zero_glyph, number_one, space_glyph) \
+ static inline uint32_t translator_name(bool is_shifted, uint32_t keycode) { \
+ switch (keycode) { \
+ case KC_A ... KC_Z: \
+ return (is_shifted ? upper_alpha : lower_alpha) + keycode - KC_A; \
+ case KC_0: \
+ return zero_glyph; \
+ case KC_1 ... KC_9: \
+ return (number_one + keycode - KC_1); \
+ case KC_SPACE: \
+ return space_glyph; \
+ } \
+ return keycode; \
+ }
+
+#define DEFINE_UNICODE_LUT_TRANSLATOR(translator_name, ...) \
+ static inline uint32_t translator_name(bool is_shifted, uint32_t keycode) { \
+ static const uint32_t translation[] = {__VA_ARGS__}; \
+ uint32_t ret = keycode; \
+ if ((keycode - KC_A) < (sizeof(translation) / sizeof(uint32_t))) { \
+ ret = translation[keycode - KC_A]; \
+ } \
+ return ret; \
+ }
+
+bool process_record_glyph_replacement(uint16_t keycode, keyrecord_t *record, translator_function_t translator) {
+ uint8_t temp_mod = get_mods();
+ uint8_t temp_osm = get_oneshot_mods();
+ bool is_shifted = (temp_mod | temp_osm) & MOD_MASK_SHIFT;
+ if (((temp_mod | temp_osm) & (MOD_MASK_CTRL | MOD_MASK_ALT | MOD_MASK_GUI)) == 0) {
+ if (KC_A <= keycode && keycode <= KC_Z) {
+ if (record->event.pressed) {
+ tap_unicode_glyph_nomods(translator(is_shifted, keycode));
+ }
+ return false;
+ } else if (KC_1 <= keycode && keycode <= KC_0) {
+ if (is_shifted) { // skip shifted numbers, so that we can still use symbols etc.
+ return process_record_keymap(keycode, record);
+ }
+ if (record->event.pressed) {
+ register_unicode(translator(is_shifted, keycode));
+ }
+ return false;
+ } else if (keycode == KC_SPACE) {
+ if (record->event.pressed) {
+ register_unicode(translator(is_shifted, keycode));
+ }
+ return false;
+ }
+ }
+ return true;
+}
+
+DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_wide, 0xFF41, 0xFF21, 0xFF10, 0xFF11, 0x2003);
+DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_script, 0x1D4EA, 0x1D4D0, 0x1D7CE, 0x1D7C1, 0x2002);
+DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_boxes, 0x1F170, 0x1F170, '0', '1', 0x2002);
+DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_regional, 0x1F1E6, 0x1F1E6, '0', '1', 0x2003);
+
+DEFINE_UNICODE_LUT_TRANSLATOR(unicode_lut_translator_aussie,
+ 0x0250, // a
+ 'q', // b
+ 0x0254, // c
+ 'p', // d
+ 0x01DD, // e
+ 0x025F, // f
+ 0x0183, // g
+ 0x0265, // h
+ 0x1D09, // i
+ 0x027E, // j
+ 0x029E, // k
+ 'l', // l
+ 0x026F, // m
+ 'u', // n
+ 'o', // o
+ 'd', // p
+ 'b', // q
+ 0x0279, // r
+ 's', // s
+ 0x0287, // t
+ 'n', // u
+ 0x028C, // v
+ 0x028D, // w
+ 0x2717, // x
+ 0x028E, // y
+ 'z', // z
+ 0x0269, // 1
+ 0x3139, // 2
+ 0x0190, // 3
+ 0x3123, // 4
+ 0x03DB, // 5
+ '9', // 6
+ 0x3125, // 7
+ '8', // 8
+ '6', // 9
+ '0' // 0
+);
+
+bool process_record_aussie(uint16_t keycode, keyrecord_t *record) {
+ bool is_shifted = (get_mods() | get_oneshot_mods()) & MOD_MASK_SHIFT;
+ if ((KC_A <= keycode) && (keycode <= KC_0)) {
+ if (record->event.pressed) {
+ if (!process_record_glyph_replacement(keycode, record, unicode_lut_translator_aussie)) {
+ tap_code16_nomods(KC_LEFT);
+ return false;
+ }
+ }
+ } else if (record->event.pressed && keycode == KC_SPACE) {
+ tap_code16_nomods(KC_SPACE);
+ tap_code16_nomods(KC_LEFT);
+ return false;
+ } else if (record->event.pressed && keycode == KC_ENTER) {
+ tap_code16_nomods(KC_END);
+ tap_code16_nomods(KC_ENTER);
+ return false;
+ } else if (record->event.pressed && keycode == KC_HOME) {
+ tap_code16_nomods(KC_END);
+ return false;
+ } else if (record->event.pressed && keycode == KC_END) {
+ tap_code16_nomods(KC_HOME);
+ return false;
+ } else if (record->event.pressed && keycode == KC_BSPC) {
+ tap_code16_nomods(KC_DELT);
+ return false;
+ } else if (record->event.pressed && keycode == KC_DELT) {
+ tap_code16_nomods(KC_BSPC);
+ return false;
+ } else if (record->event.pressed && keycode == KC_QUOT) {
+ tap_unicode_glyph_nomods(is_shifted ? 0x201E : 0x201A);
+ tap_code16_nomods(KC_LEFT);
+ return false;
+ } else if (record->event.pressed && keycode == KC_COMMA) {
+ tap_unicode_glyph_nomods(is_shifted ? '<' : 0x2018);
+ tap_code16_nomods(KC_LEFT);
+ return false;
+ } else if (record->event.pressed && keycode == KC_DOT) {
+ tap_unicode_glyph_nomods(is_shifted ? '>' : 0x02D9);
+ tap_code16_nomods(KC_LEFT);
+ return false;
+ } else if (record->event.pressed && keycode == KC_SLASH) {
+ tap_unicode_glyph_nomods(is_shifted ? 0x00BF : '/');
+ tap_code16_nomods(KC_LEFT);
+ return false;
+ }
+ return true;
+}
+
+bool process_record_zalgo(uint16_t keycode, keyrecord_t *record) {
+ if ((KC_A <= keycode) && (keycode <= KC_0)) {
+ if (record->event.pressed) {
+ tap_code16_nomods(keycode);
+
+ int number = (rand() % (8 + 1 - 2)) + 2;
+ for (int index = 0; index < number; index++) {
+ uint16_t hex = (rand() % (0x036F + 1 - 0x0300)) + 0x0300;
+ register_unicode(hex);
+ }
+
+ return false;
+ }
+ }
+ return true;
+}
+
+bool process_record_unicode(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case UC_FLIP: // (ノಠ痊ಠ)ノ彡┻━┻
+ if (record->event.pressed) {
+ send_unicode_string("(ノಠ痊ಠ)ノ彡┻━┻");
+ }
+ break;
+
+ case UC_TABL: // ┬─┬ノ( º _ ºノ)
+ if (record->event.pressed) {
+ send_unicode_string("┬─┬ノ( º _ ºノ)");
+ }
+ break;
+
+ case UC_SHRG: // ¯\_(ツ)_/¯
+ if (record->event.pressed) {
+ send_unicode_string("¯\\_(ツ)_/¯");
+ }
+ break;
+
+ case UC_DISA: // ಠ_ಠ
+ if (record->event.pressed) {
+ send_unicode_string("ಠ_ಠ");
+ }
+ break;
+
+ case UC_IRNY: // ⸮
+ if (record->event.pressed) {
+ register_unicode(0x2E2E);
+ }
+ break;
+ case UC_CLUE: // ‽
+ if (record->event.pressed) {
+ register_unicode(0x203D);
+ }
+ break;
+ case KC_NOMODE ... KC_ZALGO:
+ if (record->event.pressed) {
+ if (typing_mode != keycode) {
+ typing_mode = keycode;
+ } else {
+ typing_mode = 0;
+ }
+ }
+ break;
+
+ break;
+ }
+ if (((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) && record->tap.count) {
+ keycode &= 0xFF;
+ }
+
+ if (typing_mode == KC_WIDE) {
+ if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
+ return process_record_glyph_replacement(keycode, record, unicode_range_translator_wide);
+ }
+ } else if (typing_mode == KC_SCRIPT) {
+ if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
+ return process_record_glyph_replacement(keycode, record, unicode_range_translator_script);
+ }
+ } else if (typing_mode == KC_BLOCKS) {
+ if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
+ return process_record_glyph_replacement(keycode, record, unicode_range_translator_boxes);
+ }
+ } else if (typing_mode == KC_REGIONAL) {
+ if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
+ if (!process_record_glyph_replacement(keycode, record, unicode_range_translator_regional)) {
+ wait_us(500);
+ tap_unicode_glyph_nomods(0x200C);
+ return false;
+ }
+ }
+ } else if (typing_mode == KC_AUSSIE) {
+ return process_record_aussie(keycode, record);
+ } else if (typing_mode == KC_ZALGO) {
+ return process_record_zalgo(keycode, record);
+ }
+ return true;
+}