/* $Id: menu.h,v 1.3 2003/12/28 05:47:51 stpohle Exp $
 * GUI for menuhandling
 */

#ifndef _MENU_H_
#define _MENU_H_

#define MENU_TITLELEN 64
#define MENU_ENTRYNAME 64
#define MENU_BG_SHADE_DARK -64
#define MENU_BG_SHADE_BRIGHT 64
#define MENU_DATASIZE 256
#define MENU_MAXENTRYS 64
#define MENU_BUTTON_FONTSIZE 0
#define MENU_FOCUSVIS_BLINKTO 0.25f
#define MENU_DATAENTRYLEN 128
#define MENUOFFSET_X menu.oldscreenpos.x + menu.images[0]->w
#define MENUOFFSET_Y menu.oldscreenpos.y + menu.images[0]->h

enum _menu_type {
	MENU_label = 0,
	MENU_button,
	MENU_entrytext,
	MENU_entryint32,
	MENU_entryint16,
	MENU_entryfloat,
	MENU_bool,
	MENU_list
};


struct __menuitem {
	SDL_Rect pos;
	int type;
	int len;
	int id;
	
	char label[MENU_TITLELEN];
	_keybinput keybi;
	int state;
	char *ptrdata;			// pointer to some data
	_charlist *list;
	
	struct __menuitem *next;
} typedef _menuitem;


struct {
	char title[MENU_TITLELEN];
	_menuitem *items;
	_menuitem *focus;
	SDL_Surface *oldscreen; // hold old screendata
	SDL_Rect oldscreenpos;
	SDL_Surface *images[9]; // holds the gfx
	SDL_Surface *listimages[2][9]; // holds the gfx for the lists
	SDL_Surface *buttonimages[3][3]; // holds the images for the buttons 
	SDL_Surface *entryimages[2][3];  // [PRESSED][Left|Center|Right]
	float focusto;
	int focusvis;
} typedef _menu;

extern _menu menu;

extern int menu_getlastitem (_menuitem *first);
extern void menu_new (char *title, int x, int y);
extern void menu_delete ();
extern void menu_create_list (char *name, int x, int y, int w, int h, _charlist *data, _charlist **selected, int id);
extern void menu_create_entry (char *name, int x, int y, int w, void *data, int len, int typ, int id);
extern void menu_create_label (char *name, int x, int y, int fontsize);
extern void menu_create_button (char *name, int x, int y, int w, int id);
extern void menu_create_bool (char *name, int x, int y, int w, int *data, int id);
extern int menu_loop ();
extern void menu_draw_border ();
extern void menu_draw_background (SDL_Rect *dest);
extern inline void menu_draw_menuitem (_menuitem *m);
extern void menu_focus_next ();
extern void menu_focus_prev ();
extern void menu_focus_id (int id);
extern void menu_change_focus (_menuitem *newfocus);
extern _menuitem *menu_get_lastid ();
extern _menuitem *menu_get_firstid ();
extern int menu_create_dirlist (char *path, signed char dirflags, _charlist *cl, int maxentry);
extern char *menu_dir_select (char *title, char *path, signed char dirflags);

#endif