opensteno_qmk/quantum/process_keycode/process_unicode.c
Gergely Nagy e8845f0daf process_unicode: Introduce a slight delay
When entering unicode codes, use some delay, so the OS has time to
process the information. This is not needed on all systems, but some
seem to require it.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
2016-08-15 10:08:53 +02:00

204 lines
4.2 KiB
C

#include "process_unicode.h"
static uint8_t input_mode;
uint16_t hex_to_keycode(uint8_t hex)
{
if (hex == 0x0) {
return KC_0;
} else if (hex < 0xA) {
return KC_1 + (hex - 0x1);
} else {
return KC_A + (hex - 0xA);
}
}
void set_unicode_input_mode(uint8_t os_target)
{
input_mode = os_target;
}
void unicode_input_start (void) {
switch(input_mode) {
case UC_OSX:
register_code(KC_LALT);
break;
case UC_LNX:
register_code(KC_LCTL);
register_code(KC_LSFT);
register_code(KC_U);
unregister_code(KC_U);
unregister_code(KC_LSFT);
unregister_code(KC_LCTL);
break;
case UC_WIN:
register_code(KC_LALT);
register_code(KC_PPLS);
unregister_code(KC_PPLS);
break;
}
wait_ms(UNICODE_TYPE_DELAY);
}
void unicode_input_finish (void) {
switch(input_mode) {
case UC_OSX:
case UC_WIN:
unregister_code(KC_LALT);
break;
case UC_LNX:
register_code(KC_SPC);
unregister_code(KC_SPC);
break;
}
}
void register_hex(uint16_t hex) {
for(int i = 3; i >= 0; i--) {
uint8_t digit = ((hex >> (i*4)) & 0xF);
register_code(hex_to_keycode(digit));
unregister_code(hex_to_keycode(digit));
}
}
bool process_unicode(uint16_t keycode, keyrecord_t *record) {
if (keycode > QK_UNICODE && record->event.pressed) {
uint16_t unicode = keycode & 0x7FFF;
unicode_input_start();
register_hex(unicode);
unicode_input_finish();
}
return true;
}
#ifdef UCIS_ENABLE
void qk_ucis_start(void) {
qk_ucis_state.count = 0;
qk_ucis_state.in_progress = true;
qk_ucis_start_user();
}
__attribute__((weak))
void qk_ucis_start_user(void) {
unicode_input_start();
register_hex(0x2328);
unicode_input_finish();
}
static bool is_uni_seq(char *seq) {
uint8_t i;
for (i = 0; seq[i]; i++) {
uint16_t code;
if (('1' <= seq[i]) && (seq[i] <= '0'))
code = seq[i] - '1' + KC_1;
else
code = seq[i] - 'a' + KC_A;
if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
return false;
}
return (qk_ucis_state.codes[i] == KC_ENT ||
qk_ucis_state.codes[i] == KC_SPC);
}
__attribute__((weak))
void qk_ucis_symbol_fallback (void) {
for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
uint8_t code = qk_ucis_state.codes[i];
register_code(code);
unregister_code(code);
wait_ms(UNICODE_TYPE_DELAY);
}
}
void register_ucis(const char *hex) {
for(int i = 0; hex[i]; i++) {
uint8_t kc = 0;
char c = hex[i];
switch (c) {
case '0':
kc = KC_0;
break;
case '1' ... '9':
kc = c - '1' + KC_1;
break;
case 'a' ... 'f':
kc = c - 'a' + KC_A;
break;
case 'A' ... 'F':
kc = c - 'A' + KC_A;
break;
}
if (kc) {
register_code (kc);
unregister_code (kc);
wait_ms (UNICODE_TYPE_DELAY);
}
}
}
bool process_ucis (uint16_t keycode, keyrecord_t *record) {
uint8_t i;
if (!qk_ucis_state.in_progress)
return true;
if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH &&
!(keycode == KC_BSPC || keycode == KC_ESC || keycode == KC_SPC || keycode == KC_ENT)) {
return false;
}
if (!record->event.pressed)
return true;
qk_ucis_state.codes[qk_ucis_state.count] = keycode;
qk_ucis_state.count++;
if (keycode == KC_BSPC) {
if (qk_ucis_state.count >= 2) {
qk_ucis_state.count -= 2;
return true;
} else {
qk_ucis_state.count--;
return false;
}
}
if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
bool symbol_found = false;
for (i = qk_ucis_state.count; i > 0; i--) {
register_code (KC_BSPC);
unregister_code (KC_BSPC);
wait_ms(UNICODE_TYPE_DELAY);
}
if (keycode == KC_ESC) {
qk_ucis_state.in_progress = false;
return false;
}
unicode_input_start();
for (i = 0; ucis_symbol_table[i].symbol; i++) {
if (is_uni_seq (ucis_symbol_table[i].symbol)) {
symbol_found = true;
register_ucis(ucis_symbol_table[i].code + 2);
break;
}
}
if (!symbol_found) {
qk_ucis_symbol_fallback();
}
unicode_input_finish();
qk_ucis_state.in_progress = false;
return false;
}
return true;
}
#endif