process_unicode: Handle too long UCIS symbol names

If the symbol name being entered is longer than the max, stop recording
it, and stop processing keycodes apart from the ones that can delete,
finish or cancel the sequence.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

diff --git a/quantum/process_keycode/process_unicode.c b/quantum/process_keycode/process_unicode.c
index 8a650930080b64ca06482614039bf2a06e4bed85..851a96eaabc1ce82c26b8bd7402aa089f0fef4b3 100644 (file)
--- a/quantum/process_keycode/process_unicode.c
+++ b/quantum/process_keycode/process_unicode.c
@@ -110,7 +110,15 @@ void qk_ucis_symbol_fallback (void) {
 bool process_record_ucis (uint16_t keycode, keyrecord_t *record) {
   uint8_t i;
 
-  if (!qk_ucis_state.in_progress || !record->event.pressed)
+  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;