//---
//	gintctl:menu - Interactive list menus
//---

#ifndef GINTCTL_MENU
#define GINTCTL_MENU

#include <stddef.h>
#include <gint/keycodes.h>

/* struct menuentry: Selectable list element */
struct menuentry {
	char const *name;
	void (*function)(void);
	int flags;
};

enum {
	/* SH3-only */
	MENU_SH3_ONLY,
	/* SH4-only */
	MENU_SH4_ONLY,
};

struct menu {
	char const *name;

	int8_t len;
	int8_t offset;
	int8_t pos;
	int8_t top;
	int8_t bottom;

	struct menuentry entries[];
};

/* menu_init(): Initialize a menu list
   This function will initialize the menu data and remove entries that are not
   available on the current platform?

   @menu    Any list menu, even uninitialized
   @top     Number of lines reserved on top (including title on fx9860g)
   @bottom  Number of lines reserved at bottom */
void menu_init(struct menu *menu, int top, int bottom);

/* menu_move(): Move the cursor in a menu
   @menu   Initialized list menu
   @key    Either KEY_UP, indicating up, or KEY_DOWN indicating down
   @quick  Whether to quick-move to start or end
   @wrap   Allow wrap-around */
void menu_move(struct menu *menu, int key, int quick, int wrap);

/* menu_show(): Render a list menu */
void menu_show(struct menu const *menu);

/* menu_exec(): Execute the currently-selected function of a menu */
void menu_exec(struct menu const *menu);

#endif /* GINTCTL_MENU */