1 files changed, 35 insertions, 0 deletions

diff --git a/quantum/process_keycode/process_ucis.h b/quantum/process_keycode/process_ucis.h
new file mode 100644
index 000000000..4332f57b3
--- /dev/null
+++ b/quantum/process_keycode/process_ucis.h
@@ -0,0 +1,35 @@
+#ifndef PROCESS_UCIS_H
+#define PROCESS_UCIS_H
+
+#include "quantum.h"
+#include "process_unicode_common.h"
+
+#ifndef UCIS_MAX_SYMBOL_LENGTH
+#define UCIS_MAX_SYMBOL_LENGTH 32
+#endif
+
+typedef struct {
+  char *symbol;
+  char *code;
+} qk_ucis_symbol_t;
+
+typedef struct {
+  uint8_t count;
+  uint16_t codes[UCIS_MAX_SYMBOL_LENGTH];
+  bool in_progress:1;
+} qk_ucis_state_t;
+
+extern qk_ucis_state_t qk_ucis_state;
+
+#define UCIS_TABLE(...) {__VA_ARGS__, {NULL, NULL}}
+#define UCIS_SYM(name, code) {name, #code}
+
+extern const qk_ucis_symbol_t ucis_symbol_table[];
+
+void qk_ucis_start(void);
+void qk_ucis_start_user(void);
+void qk_ucis_symbol_fallback (void);
+void register_ucis(const char *hex);
+bool process_ucis (uint16_t keycode, keyrecord_t *record);
+
+#endif