diff options
| -rw-r--r-- | quantum/process_keycode/process_unicode.c | 34 | ||||
| -rw-r--r-- | readme.md | 10 |
2 files changed, 35 insertions, 9 deletions
diff --git a/quantum/process_keycode/process_unicode.c b/quantum/process_keycode/process_unicode.c index 37dd471ffd..a71af5437b 100644 --- a/quantum/process_keycode/process_unicode.c +++ b/quantum/process_keycode/process_unicode.c @@ -83,22 +83,42 @@ __attribute__((weak)) const uint32_t PROGMEM unicode_map[] = { }; -// 5 digit max because of linux limitation void register_hex32(uint32_t hex) { - for(int i = 4; i >= 0; i--) { + uint8_t onzerostart = 1; + for(int i = 7; i >= 0; i--) { + if (i <= 3) { + onzerostart = 0; + } uint8_t digit = ((hex >> (i*4)) & 0xF); - register_code(hex_to_keycode(digit)); - unregister_code(hex_to_keycode(digit)); + if (digit == 0) { + if (onzerostart == 0) { + 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 = 0; + } } } +__attribute__((weak)) +void unicode_map_input_error() {} + bool process_unicode_map(uint16_t keycode, keyrecord_t *record) { if ((keycode & QK_UNICODE_MAP) == QK_UNICODE_MAP && record->event.pressed) { const uint32_t* map = unicode_map; uint16_t index = keycode & 0x7FF; - unicode_input_start(); - register_hex32(pgm_read_dword_far(&map[index])); - unicode_input_finish(); + uint32_t code = pgm_read_dword_far(&map[index]); + if ((code > 0xFFFF && 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; } @@ -326,8 +326,14 @@ This allows you to send unicode symbols via `UC(<unicode>)` in your keymap. Only `UNICODEMAP_ENABLE` This allows sending unicode symbols using `X(<unicode>)` in your keymap. Codes -up to 0xFFFFF are supported, including emojis. But you need to maintain a -separate mapping table in your keymap file. +up to 0xFFFFFFFF are supported, including emojis. You will need to maintain +a separate mapping table in your keymap file. + +Known limitations: +- Under Mac OS, only codes up to 0xFFFF are supported. +- Under Linux ibus, only codes up to 0xFFFFF are supported (but anything important is still under this limit for now). + +Characters out of range supported by the OS will be ignored. `BLUETOOTH_ENABLE` |