godot/platform/linuxbsd/wayland/key_mapping_xkb.h

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/*  key_mapping_xkb.h                                                     */
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#ifndef KEY_MAPPING_XKB_H
#define KEY_MAPPING_XKB_H

#include "core/os/keyboard.h"
#include "core/templates/hash_map.h"

#ifdef SOWRAP_ENABLED
#include "xkbcommon-so_wrap.h"
#else
#include <xkbcommon/xkbcommon.h>
#endif // SOWRAP_ENABLED

class KeyMappingXKB {
	struct HashMapHasherKeys {
		static _FORCE_INLINE_ uint32_t hash(Key p_key) { return hash_fmix32(static_cast<uint32_t>(p_key)); }
		static _FORCE_INLINE_ uint32_t hash(unsigned p_key) { return hash_fmix32(p_key); }
	};

	static inline HashMap<xkb_keycode_t, Key, HashMapHasherKeys> xkb_keycode_map;
	static inline HashMap<unsigned int, Key, HashMapHasherKeys> scancode_map;
	static inline HashMap<Key, unsigned int, HashMapHasherKeys> scancode_map_inv;
	static inline HashMap<unsigned int, KeyLocation, HashMapHasherKeys> location_map;

	KeyMappingXKB() {}

public:
	static void initialize();

	static Key get_keycode(xkb_keysym_t p_keysym);
	static xkb_keycode_t get_xkb_keycode(Key p_keycode);
	static Key get_scancode(unsigned int p_code);
	static KeyLocation get_location(unsigned int p_code);
};

#endif // KEY_MAPPING_XKB_H