typedef struct {
	TCOD_keycode_t vk; /*  key code */
	char c; /* character if vk == TCODK_CHAR else 0 */
	bool pressed ; /* does this correspond to a key press or key release event ? */
	bool lalt ;
	bool lctrl ;
	bool ralt ;
	bool rctrl ;
	bool shift ;
} TCOD_key_t;