294 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			294 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2020 @ridingqwerty
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| // Copyright 2020 @tzarc
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| // Copyright 2021 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
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| // SPDX-License-Identifier: GPL-2.0-or-later
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| 
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| #include "drashna.h"
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| #include "process_unicode_common.h"
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| 
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| uint16_t typing_mode = KC_NOMODE;
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| 
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| /**
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|  * @brief Registers the unicode keystrokes based on desired unicode
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|  *
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|  * @param glyph Unicode character, supports up to 0x1FFFF (or higher)
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|  */
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| void tap_unicode_glyph_nomods(uint32_t glyph) {
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|     uint8_t temp_mod = get_mods();
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|     clear_mods();
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|     clear_oneshot_mods();
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|     register_unicode(glyph);
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|     set_mods(temp_mod);
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| }
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| 
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| typedef uint32_t (*translator_function_t)(bool is_shifted, uint32_t keycode);
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| 
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| #define DEFINE_UNICODE_RANGE_TRANSLATOR(translator_name, lower_alpha, upper_alpha, zero_glyph, number_one, space_glyph) \
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|     static inline uint32_t translator_name(bool is_shifted, uint32_t keycode) {                                         \
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|         switch (keycode) {                                                                                              \
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|             case KC_A ... KC_Z:                                                                                         \
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|                 return (is_shifted ? upper_alpha : lower_alpha) + keycode - KC_A;                                       \
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|             case KC_0:                                                                                                  \
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|                 return zero_glyph;                                                                                      \
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|             case KC_1 ... KC_9:                                                                                         \
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|                 return (number_one + keycode - KC_1);                                                                   \
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|             case KC_SPACE:                                                                                              \
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|                 return space_glyph;                                                                                     \
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|         }                                                                                                               \
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|         return keycode;                                                                                                 \
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|     }
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| 
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| #define DEFINE_UNICODE_LUT_TRANSLATOR(translator_name, ...)                     \
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|     static inline uint32_t translator_name(bool is_shifted, uint32_t keycode) { \
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|         static const uint32_t translation[] = {__VA_ARGS__};                    \
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|         uint32_t              ret           = keycode;                          \
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|         if ((keycode - KC_A) < (sizeof(translation) / sizeof(uint32_t))) {      \
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|             ret = translation[keycode - KC_A];                                  \
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|         }                                                                       \
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|         return ret;                                                             \
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|     }
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| 
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| /**
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|  * @brief Handler function for outputting unicode.
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|  *
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|  * @param keycode Keycode from matrix.
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|  * @param record keyrecord_t data structure
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|  * @param translator translator lut for different unicode modes
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|  * @return true Continue processing matrix press, and send to host
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|  * @return false Replace keycode, and do not send to host
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|  */
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| bool process_record_glyph_replacement(uint16_t keycode, keyrecord_t *record, translator_function_t translator) {
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|     uint8_t temp_mod   = get_mods();
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|     uint8_t temp_osm   = get_oneshot_mods();
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|     bool    is_shifted = (temp_mod | temp_osm) & MOD_MASK_SHIFT;
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|     if (((temp_mod | temp_osm) & (MOD_MASK_CTRL | MOD_MASK_ALT | MOD_MASK_GUI)) == 0) {
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|         if (KC_A <= keycode && keycode <= KC_Z) {
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|             if (record->event.pressed) {
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|                 tap_unicode_glyph_nomods(translator(is_shifted, keycode));
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|             }
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|             return false;
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|         } else if (KC_1 <= keycode && keycode <= KC_0) {
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|             if (is_shifted) {  // skip shifted numbers, so that we can still use symbols etc.
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|                 return process_record_keymap(keycode, record);
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|             }
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|             if (record->event.pressed) {
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|                 register_unicode(translator(is_shifted, keycode));
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|             }
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|             return false;
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|         } else if (keycode == KC_SPACE) {
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|             if (record->event.pressed) {
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|                 register_unicode(translator(is_shifted, keycode));
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|             }
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|             return false;
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|         }
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|     }
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|     return true;
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| }
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| 
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| DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_wide, 0xFF41, 0xFF21, 0xFF10, 0xFF11, 0x2003);
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| DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_script, 0x1D4EA, 0x1D4D0, 0x1D7CE, 0x1D7C1, 0x2002);
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| DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_boxes, 0x1F170, 0x1F170, '0', '1', 0x2002);
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| DEFINE_UNICODE_RANGE_TRANSLATOR(unicode_range_translator_regional, 0x1F1E6, 0x1F1E6, '0', '1', 0x2003);
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| 
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| DEFINE_UNICODE_LUT_TRANSLATOR(unicode_lut_translator_aussie,
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|                               0x0250,  // a
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|                               'q',     // b
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|                               0x0254,  // c
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|                               'p',     // d
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|                               0x01DD,  // e
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|                               0x025F,  // f
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|                               0x0183,  // g
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|                               0x0265,  // h
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|                               0x1D09,  // i
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|                               0x027E,  // j
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|                               0x029E,  // k
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|                               'l',     // l
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|                               0x026F,  // m
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|                               'u',     // n
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|                               'o',     // o
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|                               'd',     // p
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|                               'b',     // q
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|                               0x0279,  // r
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|                               's',     // s
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|                               0x0287,  // t
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|                               'n',     // u
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|                               0x028C,  // v
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|                               0x028D,  // w
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|                               0x2717,  // x
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|                               0x028E,  // y
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|                               'z',     // z
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|                               0x0269,  // 1
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|                               0x3139,  // 2
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|                               0x0190,  // 3
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|                               0x3123,  // 4
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|                               0x03DB,  // 5
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|                               '9',     // 6
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|                               0x3125,  // 7
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|                               '8',     // 8
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|                               '6',     // 9
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|                               '0'      // 0
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| );
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| 
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| bool process_record_aussie(uint16_t keycode, keyrecord_t *record) {
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|     bool is_shifted = (get_mods() | get_oneshot_mods()) & MOD_MASK_SHIFT;
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|     if ((KC_A <= keycode) && (keycode <= KC_0)) {
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|         if (record->event.pressed) {
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|             if (!process_record_glyph_replacement(keycode, record, unicode_lut_translator_aussie)) {
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|                 tap_code16_nomods(KC_LEFT);
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|                 return false;
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|             }
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|         }
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|     } else if (record->event.pressed && keycode == KC_SPACE) {
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|         tap_code16_nomods(KC_SPACE);
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|         tap_code16_nomods(KC_LEFT);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_ENTER) {
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|         tap_code16_nomods(KC_END);
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|         tap_code16_nomods(KC_ENTER);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_HOME) {
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|         tap_code16_nomods(KC_END);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_END) {
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|         tap_code16_nomods(KC_HOME);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_BSPC) {
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|         tap_code16_nomods(KC_DELT);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_DELT) {
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|         tap_code16_nomods(KC_BSPC);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_QUOT) {
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|         tap_unicode_glyph_nomods(is_shifted ? 0x201E : 0x201A);
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|         tap_code16_nomods(KC_LEFT);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_COMMA) {
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|         tap_unicode_glyph_nomods(is_shifted ? '<' : 0x2018);
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|         tap_code16_nomods(KC_LEFT);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_DOT) {
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|         tap_unicode_glyph_nomods(is_shifted ? '>' : 0x02D9);
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|         tap_code16_nomods(KC_LEFT);
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|         return false;
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|     } else if (record->event.pressed && keycode == KC_SLASH) {
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|         tap_unicode_glyph_nomods(is_shifted ? 0x00BF : '/');
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|         tap_code16_nomods(KC_LEFT);
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|         return false;
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|     }
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|     return true;
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| }
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| 
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| bool process_record_zalgo(uint16_t keycode, keyrecord_t *record) {
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|     if ((KC_A <= keycode) && (keycode <= KC_0)) {
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|         if (record->event.pressed) {
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|             tap_code16_nomods(keycode);
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| 
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|             int number = (rand() % (8 + 1 - 2)) + 2;
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|             for (int index = 0; index < number; index++) {
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|                 uint16_t hex = (rand() % (0x036F + 1 - 0x0300)) + 0x0300;
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|                 register_unicode(hex);
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|             }
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| 
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|             return false;
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|         }
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|     }
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|     return true;
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| }
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| 
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| /**
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|  * @brief Main handler for unicode input
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|  *
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|  * @param keycode Keycode from switch matrix
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|  * @param record keyrecord_t data struture
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|  * @return true Send keycode from matrix to host
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|  * @return false Stop processing and do not send to host
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|  */
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| 
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| bool process_record_unicode(uint16_t keycode, keyrecord_t *record) {
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|     switch (keycode) {
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|         case UC_FLIP:  // (ノಠ痊ಠ)ノ彡┻━┻
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|             if (record->event.pressed) {
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|                 send_unicode_string("(ノಠ痊ಠ)ノ彡┻━┻");
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|             }
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|             break;
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| 
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|         case UC_TABL:  // ┬─┬ノ( º _ ºノ)
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|             if (record->event.pressed) {
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|                 send_unicode_string("┬─┬ノ( º _ ºノ)");
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|             }
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|             break;
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| 
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|         case UC_SHRG:  // ¯\_(ツ)_/¯
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|             if (record->event.pressed) {
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|                 send_unicode_string("¯\\_(ツ)_/¯");
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|             }
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|             break;
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| 
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|         case UC_DISA:  // ಠ_ಠ
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|             if (record->event.pressed) {
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|                 send_unicode_string("ಠ_ಠ");
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|             }
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|             break;
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| 
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|         case UC_IRNY:  // ⸮
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|             if (record->event.pressed) {
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|                 register_unicode(0x2E2E);
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|             }
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|             break;
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|         case UC_CLUE:  // ‽
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|             if (record->event.pressed) {
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|                 register_unicode(0x203D);
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|             }
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|             break;
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|         case KC_NOMODE ... KC_ZALGO:
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|             if (record->event.pressed) {
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|                 if (typing_mode != keycode) {
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|                     typing_mode = keycode;
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|                 } else {
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|                     typing_mode = KC_NOMODE;
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|                 }
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|             }
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|             break;
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|     }
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| 
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|     if (((get_mods() | get_oneshot_mods()) & ~MOD_MASK_SHIFT) != 0) {
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|         return true;
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|     }
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| 
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|     if (((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) && record->tap.count) {
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|         keycode &= 0xFF;
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|     }
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| 
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|     if (typing_mode == KC_WIDE) {
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|         if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
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|             return process_record_glyph_replacement(keycode, record, unicode_range_translator_wide);
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|         }
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|     } else if (typing_mode == KC_SCRIPT) {
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|         if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
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|             return process_record_glyph_replacement(keycode, record, unicode_range_translator_script);
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|         }
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|     } else if (typing_mode == KC_BLOCKS) {
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|         if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
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|             return process_record_glyph_replacement(keycode, record, unicode_range_translator_boxes);
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|         }
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|     } else if (typing_mode == KC_REGIONAL) {
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|         if (((KC_A <= keycode) && (keycode <= KC_0)) || keycode == KC_SPACE) {
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|             if (!process_record_glyph_replacement(keycode, record, unicode_range_translator_regional)) {
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|                 wait_us(500);
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|                 tap_unicode_glyph_nomods(0x200C);
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|                 return false;
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|             }
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|         }
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|     } else if (typing_mode == KC_AUSSIE) {
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|         return process_record_aussie(keycode, record);
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|     } else if (typing_mode == KC_ZALGO) {
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|         return process_record_zalgo(keycode, record);
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|     }
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|     return true;
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| }
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| 
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| /**
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|  * @brief Initialize the default unicode mode on firmware startu
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|  *
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|  */
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| void matrix_init_unicode(void) { unicode_input_mode_init(); }
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