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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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@ -195,7 +195,7 @@ By default, when the keyboard boots, it will initialize the input mode to the la
## `send_unicode_string()`
This function is much like `send_string()` but allows you to input UTF-8 characters directly, currently up to code point U+FFFF. Make sure your `keymap.c` is formatted in UTF-8 encoding.
This function is much like `send_string()` but allows you to input UTF-8 characters directly, and supports all code points (provided the selected input method also supports it). Make sure your `keymap.c` is formatted in UTF-8 encoding.
```c
send_unicode_string("(ノಠ痊ಠ)ノ彡┻━┻");
@ -210,7 +210,6 @@ send_unicode_hex_string("0028 30CE 0CA0 75CA 0CA0 0029 30CE 5F61 253B 2501 253B"
```
An easy way to convert your Unicode string to this format is by using [this site](https://r12a.github.io/app-conversion/), and taking the result in the "Hex/UTF-32" section.
Unlike `send_unicode_string()` this function supports code points up to U+10FFFF.
## Additional Language Support

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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();
}
}

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@ -79,6 +79,7 @@ void unicode_input_finish(void);
void unicode_input_cancel(void);
void register_hex(uint16_t hex);
void register_hex32(uint32_t hex);
void send_unicode_hex_string(const char *str);
void send_unicode_string(const char *str);

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@ -16,26 +16,6 @@
#include "process_unicodemap.h"
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)) uint16_t unicodemap_index(uint16_t keycode) {
if (keycode >= QK_UNICODEMAP_PAIR) {
// Keycode is a pair: extract index based on Shift / Caps Lock state

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@ -20,6 +20,5 @@
extern const uint32_t PROGMEM unicode_map[];
void register_hex32(uint32_t hex);
uint16_t unicodemap_index(uint16_t keycode);
bool process_unicodemap(uint16_t keycode, keyrecord_t *record);