diff options
Diffstat (limited to 'quantum/process_keycode/process_unicodemap.c')
| -rw-r--r-- | quantum/process_keycode/process_unicodemap.c | 72 | 
1 files changed, 72 insertions, 0 deletions
| diff --git a/quantum/process_keycode/process_unicodemap.c b/quantum/process_keycode/process_unicodemap.c new file mode 100644 index 0000000000..75f35112b1 --- /dev/null +++ b/quantum/process_keycode/process_unicodemap.c @@ -0,0 +1,72 @@ +/* Copyright 2017 Jack Humbert + * + * 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 "process_unicodemap.h" +#include "process_unicode_common.h" + +__attribute__((weak)) +const uint32_t PROGMEM unicode_map[] = { +}; + +void register_hex32(uint32_t hex) { +  bool onzerostart = true; +  for(int i = 7; i >= 0; i--) { +    if (i <= 3) { +      onzerostart = false; +    } +    uint8_t digit = ((hex >> (i*4)) & 0xF); +    if (digit == 0) { +      if (!onzerostart) { +        register_code(hex_to_keycode(digit)); +        unregister_code(hex_to_keycode(digit)); +      } +    } else { +      register_code(hex_to_keycode(digit)); +      unregister_code(hex_to_keycode(digit)); +      onzerostart = false; +    } +  } +} + +__attribute__((weak)) +void unicode_map_input_error() {} + +bool process_unicode_map(uint16_t keycode, keyrecord_t *record) { +  uint8_t input_mode = get_unicode_input_mode(); +  if ((keycode & QK_UNICODE_MAP) == QK_UNICODE_MAP && record->event.pressed) { +    const uint32_t* map = unicode_map; +    uint16_t index = keycode - QK_UNICODE_MAP; +    uint32_t code = pgm_read_dword(&map[index]); +    if (code > 0xFFFF && code <= 0x10ffff && input_mode == UC_OSX) { +      // Convert to UTF-16 surrogate pair +      code -= 0x10000; +      uint32_t lo = code & 0x3ff; +      uint32_t hi = (code & 0xffc00) >> 10; +      unicode_input_start(); +      register_hex32(hi + 0xd800); +      register_hex32(lo + 0xdc00); +      unicode_input_finish(); +    } else if ((code > 0x10ffff && input_mode == UC_OSX) || (code > 0xFFFFF && input_mode == UC_LNX)) { +      // when character is out of range supported by the OS +      unicode_map_input_error(); +    } else { +      unicode_input_start(); +      register_hex32(code); +      unicode_input_finish(); +    } +  } +  return true; +} | 
