/*
	Relay -- a tool to record and play Quake2 demos
	Copyright (C) 2000 Conor Davis

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

	Conor Davis
	cedavis@planetquake.com
*/

#ifndef __MENU_H
#define __MENU_H

enum
{
	MENU_ALIGN_LEFT,
	MENU_ALIGN_CENTER,
	MENU_ALIGN_RIGHT
};

typedef struct menuitem_s menuitem_t;
typedef struct menu_s menu_t;

struct menuitem_s
{
	char		*text;		// text to be displayed
	int 		align;		// left, center, right
	int 		indent; 	// pixels to indent to the right (or left, depending
							// on alignment)
	int 		numparams;
	int 		*param; 	// params used by the Select function
	void		(*Select)(menu_t *menu, menuitem_t *item, int key);
};

struct menu_s
{
	void		*client;	// client who is viewing the menu
	char		*title; 	// always displayed at top
	int 		id; 		// ID_* menu type
	menuitem_t	*items; 	// item array
	int 		num;		// number of items in the item array
	int 		top;		// index of first item to be displayed
	int 		cur;		// current selected item
	int 		numparams;
	int 		*param; 	// params used by the Show function
	void		(*Show)(menu_t *menu);
	void		(*Close)(menu_t *menu);
	struct menu_s *next;
};

extern void Menu_Close(menu_t **head);
extern void Menu_CloseAll(menu_t **head);

extern int Menu_AddItem(const char *text, const char *fmt, ...);
extern void Menu_Display(menu_t *menu, char *layout, size_t len);
extern void Menu_Update(menu_t **head, char *layout, size_t len, int id);

extern void Menu_Prev(menu_t *menu);
extern void Menu_Next(menu_t *menu);
extern void Menu_Select(menu_t *menu, int key);
extern void Menu_Start(menu_t *menu);
extern void Menu_Finish(menu_t *menu);
extern void Menu_Open(void *client, menu_t **head, void (*Show)(menu_t *), const char *fmt, ...);

#endif // __MENU_H