qmk_firmware/quantum/process_keycode/process_unicode.h

#ifndef PROCESS_UNICODE_H
#define PROCESS_UNICODE_H

#include "quantum.h"

#define UC_OSX 0  // Mac OS X
#define UC_LNX 1  // Linux
#define UC_WIN 2  // Windows 'HexNumpad'
#define UC_BSD 3  // BSD (not implemented)
#define UC_WINC 4 // WinCompose https://github.com/samhocevar/wincompose

#ifndef UNICODE_TYPE_DELAY
#define UNICODE_TYPE_DELAY 10
#endif

void set_unicode_input_mode(uint8_t os_target);
uint8_t get_unicode_input_mode(void);
void unicode_input_start(void);
void unicode_input_finish(void);
void register_hex(uint16_t hex);

bool process_unicode(uint16_t keycode, keyrecord_t *record);

#ifdef UNICODEMAP_ENABLE
bool process_unicode_map(uint16_t keycode, keyrecord_t *record);
#endif

#ifdef UCIS_ENABLE
#ifndef UCIS_MAX_SYMBOL_LENGTH
#define UCIS_MAX_SYMBOL_LENGTH 32
#endif

typedef struct {
  char *symbol;
  char *code;
} qk_ucis_symbol_t;

typedef struct {
  uint8_t count;
  uint16_t codes[UCIS_MAX_SYMBOL_LENGTH];
  bool in_progress:1;
} qk_ucis_state_t;

extern qk_ucis_state_t qk_ucis_state;

#define UCIS_TABLE(...) {__VA_ARGS__, {NULL, NULL}}
#define UCIS_SYM(name, code) {name, #code}

extern const qk_ucis_symbol_t ucis_symbol_table[];

void qk_ucis_start(void);
void qk_ucis_start_user(void);
void qk_ucis_symbol_fallback (void);
void register_ucis(const char *hex);
bool process_ucis (uint16_t keycode, keyrecord_t *record);

#endif

#define UC_BSPC	UC(0x0008)

#define UC_SPC	UC(0x0020)

#define UC_EXLM	UC(0x0021)
#define UC_DQUT	UC(0x0022)
#define UC_HASH	UC(0x0023)
#define UC_DLR	UC(0x0024)
#define UC_PERC	UC(0x0025)
#define UC_AMPR	UC(0x0026)
#define UC_QUOT	UC(0x0027)
#define UC_LPRN	UC(0x0028)
#define UC_RPRN	UC(0x0029)
#define UC_ASTR	UC(0x002A)
#define UC_PLUS	UC(0x002B)
#define UC_COMM	UC(0x002C)
#define UC_DASH	UC(0x002D)
#define UC_DOT	UC(0x002E)
#define UC_SLSH	UC(0x002F)

#define UC_0	UC(0x0030)
#define UC_1	UC(0x0031)
#define UC_2	UC(0x0032)
#define UC_3	UC(0x0033)
#define UC_4	UC(0x0034)
#define UC_5	UC(0x0035)
#define UC_6	UC(0x0036)
#define UC_7	UC(0x0037)
#define UC_8	UC(0x0038)
#define UC_9	UC(0x0039)

#define UC_COLN UC(0x003A)
#define UC_SCLN UC(0x003B)
#define UC_LT	UC(0x003C)
#define UC_EQL	UC(0x003D)
#define UC_GT	UC(0x003E)
#define UC_QUES	UC(0x003F)
#define UC_AT 	UC(0x0040)

#define UC_A 	UC(0x0041)
#define UC_B 	UC(0x0042)
#define UC_C 	UC(0x0043)
#define UC_D 	UC(0x0044)
#define UC_E 	UC(0x0045)
#define UC_F 	UC(0x0046)
#define UC_G 	UC(0x0047)
#define UC_H 	UC(0x0048)
#define UC_I 	UC(0x0049)
#define UC_J 	UC(0x004A)
#define UC_K 	UC(0x004B)
#define UC_L 	UC(0x004C)
#define UC_M 	UC(0x004D)
#define UC_N 	UC(0x004E)
#define UC_O 	UC(0x004F)
#define UC_P 	UC(0x0050)
#define UC_Q 	UC(0x0051)
#define UC_R 	UC(0x0052)
#define UC_S 	UC(0x0053)
#define UC_T 	UC(0x0054)
#define UC_U 	UC(0x0055)
#define UC_V 	UC(0x0056)
#define UC_W 	UC(0x0057)
#define UC_X 	UC(0x0058)
#define UC_Y 	UC(0x0059)
#define UC_Z 	UC(0x005A)

#define UC_LBRC	UC(0x005B)
#define UC_BSLS	UC(0x005C)
#define UC_RBRC	UC(0x005D)
#define UC_CIRM	UC(0x005E)
#define UC_UNDR	UC(0x005F)

#define UC_GRV 	UC(0x0060)

#define UC_a 	UC(0x0061)
#define UC_b 	UC(0x0062)
#define UC_c 	UC(0x0063)
#define UC_d 	UC(0x0064)
#define UC_e 	UC(0x0065)
#define UC_f 	UC(0x0066)
#define UC_g 	UC(0x0067)
#define UC_h 	UC(0x0068)
#define UC_i 	UC(0x0069)
#define UC_j 	UC(0x006A)
#define UC_k 	UC(0x006B)
#define UC_l 	UC(0x006C)
#define UC_m 	UC(0x006D)
#define UC_n 	UC(0x006E)
#define UC_o 	UC(0x006F)
#define UC_p 	UC(0x0070)
#define UC_q 	UC(0x0071)
#define UC_r 	UC(0x0072)
#define UC_s 	UC(0x0073)
#define UC_t 	UC(0x0074)
#define UC_u 	UC(0x0075)
#define UC_v 	UC(0x0076)
#define UC_w 	UC(0x0077)
#define UC_x 	UC(0x0078)
#define UC_y 	UC(0x0079)
#define UC_z 	UC(0x007A)

#define UC_LCBR	UC(0x007B)
#define UC_PIPE	UC(0x007C)
#define UC_RCBR	UC(0x007D)
#define UC_TILD	UC(0x007E)
#define UC_DEL	UC(0x007F)

#endif