Unicode, Unicodemap and UCIS refactor (#21659)

quantum/unicode/unicodemap.h

@@ -0,0 +1,43 @@
+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <stdint.h>
+#include "progmem.h"
+
+/**
+ * \file
+ *
+ * \defgroup unicodemap Unicode Map
+ * \{
+ */
+
+extern const uint32_t unicode_map[] PROGMEM;
+
+/**
+ * \brief Get the index into the `unicode_map` array for the given keycode, respecting shift state for pair keycodes.
+ *
+ * \param keycode The Unicode Map keycode to get the index of.
+ *
+ * \return An index into the `unicode_map` array.
+ */
+uint8_t unicodemap_index(uint16_t keycode);
+
+/**
+ * \brief Get the code point for the given index in the `unicode_map` array.
+ *
+ * \param index The index into the `unicode_map` array.
+ *
+ * \return A Unicode code point value.
+ */
+uint32_t unicodemap_get_code_point(uint8_t index);
+
+/**
+ * \brief Send the code point for the given index in the `unicode_map` array.
+ *
+ * \param index The index into the `unicode_map` array.
+ */
+void register_unicodemap(uint8_t index);
+
+/** \} */