1 files changed, 13 insertions, 0 deletions
diff --git a/src/zhuyin.h b/src/zhuyin.h
index 44c383a..53b79ef 100644
--- a/src/zhuyin.h
+++ b/src/zhuyin.h
@@ -42,6 +42,7 @@ typedef struct _import_iterator_t import_iterator_t;
 typedef enum _lookup_candidate_type_t{
     BEST_MATCH_CANDIDATE = 1,
     NORMAL_CANDIDATE_AFTER_CURSOR,
+    NORMAL_CANDIDATE_BEFORE_CURSOR,
     ZOMBIE_CANDIDATE
 } lookup_candidate_type_t;
 
@@ -344,6 +345,18 @@ bool zhuyin_guess_candidates_after_cursor(zhuyin_instance_t * instance,
                                           size_t offset);
 
 /**
+ * zhuyin_guess_candidates_before_cursor:
+ * @instance: the zhuyin instance.
+ * @offset: the offset in the pinyin keys.
+ * @returns: whether a list of tokens are gotten.
+ *
+ * Guess the candidates at the offset.
+ *
+ */
+bool zhuyin_guess_candidates_before_cursor(zhuyin_instance_t * instance,
+                                           size_t offset);
+
+/**
  * zhuyin_choose_candidate:
  * @instance: the zhuyin instance.
  * @offset: the offset in the pinyin keys.