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send_unicode_string(): Add support for code points > 0xFFFF (#8236)

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Ryan 2020-02-25 12:54:51 +11:00 • committed by GitHub
parent 93c5307fd6
commit bb8d4b4d23
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5 changed files with 22 additions and 27 deletions
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24
quantum/process_keycode/process_unicode_common.c
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@ -150,6 +150,24 @@ void register_hex(uint16_t hex) {
}
}
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) {
tap_code(hex_to_keycode(digit));
}
} else {
tap_code(hex_to_keycode(digit));
onzerostart = false;
}
}
}
void send_unicode_hex_string(const char *str) {
if (!str) {
return;
@ -192,9 +210,7 @@ const char *decode_utf8(const char *str, int32_t *code_point) {
*code_point = ((int32_t)(str[0] & 0x0F) << 12) | ((int32_t)(str[1] & 0x3F) << 6) | ((int32_t)(str[2] & 0x3F) << 0);
next = str + 3;
} else if ((str[0] & 0xF8) == 0xF0 && (str[0] <= 0xF4)) { // U+10000-10FFFF
// Skip for now - register_hex() only takes a uint16
//*code_point = ((int32_t)(str[0] & 0x07) << 18) | ((int32_t)(str[1] & 0x3F) << 12) | ((int32_t)(str[2] & 0x3F) << 6) | ((int32_t)(str[3] & 0x3F) << 0);
*code_point = -1;
*code_point = ((int32_t)(str[0] & 0x07) << 18) | ((int32_t)(str[1] & 0x3F) << 12) | ((int32_t)(str[2] & 0x3F) << 6) | ((int32_t)(str[3] & 0x3F) << 0);
next = str + 4;
} else {
*code_point = -1;
@ -221,7 +237,7 @@ void send_unicode_string(const char *str) {
if (code_point >= 0) {
unicode_input_start();
register_hex(code_point);
register_hex32(code_point);
unicode_input_finish();
}
}