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Add send_unicode_hex_string function (#3828)

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* Add send_string_unicode function

Co-authored-by: kdb424 <kdb424@gmail.com>
Co-authored-by: Konstantin <vomindoraan@gmail.com>

* Clean up code based on feedback

* Fix includes
This commit is contained in:
Drashna Jael're 2018-10-01 17:56:04 -07:00 • committed by Jack Humbert
parent 26f4e7031a
commit f5ae3760c6
3 changed files with 35 additions and 1 deletions
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28
quantum/process_keycode/process_unicode_common.c
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@ -16,6 +16,8 @@
#include "process_unicode_common.h"
#include "eeprom.h"
#include <string.h>
#include <ctype.h>
static uint8_t input_mode;
uint8_t mods;
@ -120,3 +122,29 @@ void register_hex(uint16_t hex) {
unregister_code(hex_to_keycode(digit));
}
}
void send_unicode_hex_string(const char *str)
{
if (!str) { return; } // Safety net
while (*str) {
// Find the next code point (token) in the string
for (; *str == ' '; str++);
size_t n = strcspn(str, " "); // Length of the current token
char code_point[n+1];
strncpy(code_point, str, n);
code_point[n] = '\0'; // Make sure it's null-terminated
// Normalize the code point: make all hex digits lowercase
for (char *p = code_point; *p; p++) {
*p = tolower((unsigned char)*p);
}
// Send the code point as a Unicode input string
unicode_input_start();
send_string(code_point);
unicode_input_finish();
str += n; // Move to the first ' ' (or '\0') after the current token
}
}