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-rw-r--r--quantum/process_keycode/process_ucis.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_ucis.c b/quantum/process_keycode/process_ucis.c
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+++ b/quantum/process_keycode/process_ucis.c
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+/* Copyright 2017 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "process_ucis.h"
+
+qk_ucis_state_t qk_ucis_state;
+
+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;
+}