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qmk_firmware/users/drashna/keyrecords/unicode.c

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// Copyright 2020 @ridingqwerty
// Copyright 2020 @tzarc
// Copyright 2021 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
// SPDX-License-Identifier: GPL-2.0-or-later
#include "drashna.h"
#include "process_unicode_common.h"
uint16_t typing_mode = KC_NOMODE;
/**
* @brief Registers the unicode keystrokes based on desired unicode
*
* @param glyph Unicode character, supports up to 0x1FFFF (or higher)
*/
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; \
}
/**
* @brief Handler function for outputting unicode.
*
* @param keycode Keycode from matrix.
* @param record keyrecord_t data structure
* @param translator translator lut for different unicode modes
* @return true Continue processing matrix press, and send to host
* @return false Replace keycode, and do not send to host
*/
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;
}
/**
* @brief Main handler for unicode input
*
* @param keycode Keycode from switch matrix
* @param record keyrecord_t data struture
* @return true Send keycode from matrix to host
* @return false Stop processing and do not send to host
*/
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 = KC_NOMODE;
}
}
break;
}
if (((get_mods() | get_oneshot_mods()) & ~MOD_MASK_SHIFT) != 0) {
return true;
}
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;
}
/**
* @brief Initialize the default unicode mode on firmware startu
*
*/
void matrix_init_unicode(void) { unicode_input_mode_init(); }
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