// Source:        menus.h 
// Author:        Michele Estebon
// Date:          12/3/96/96
// For:           CS1704: Introduction to Data Structures and Software Design
// Last revision: 12/3/96

/************************************************************************
   Menuing functions and declarations using curses windows functions
   Provides functions to create and manipulate menus.

*************************************************************************/
#ifndef MENUS_H
#define MENUS_H

#include "curses.h"
#include "globals.h"
#include "bool.h"
              
/*-- TYPE DEFINITIONS --------------------------------------------------*/

typedef int     itemkey;
               
typedef struct item  *items;
typedef struct item{
  string  name;
  int     pos;
  itemkey key;
  items   up;
  items   down;
} ;                
 
typedef struct mainitem *menus;
 
typedef struct mainitem {
  menus   rt;
  menus   lt;
  item    sub;
  int     itemcnt;
  winptr  window;
} ;

/*-- CONSTANTS ---------------------------------------------------------*/

/*-- KEYS -----------------*/
#define KEYRETURN 0x0D    // ENTER key
const int KEYUP     = 75;    // up arrow
const int KEYDN     = 77;    // down arrow
const int KEYLT     = 80;    // left arrow
const int KEYRT     = 72;    // right arrow
const int BKSP      = 8;     // fix this!

/*-- MENU ITEMS -----------*/
const char  FORCEQUIT   = 'x';
const char  menufile[]  = "menu.ini";
const int   MAXCHAR     = 13;     // max length of menu item string
const int   FIRSTyPOS   =  1;              ;
const char  TERM        = '.';
const char  DIVIDER     = '-';
const int   MWIDTH      = MAXCHAR+2;
#define  NO_OPTIONS  "No options are available."
const int   SEEPOS      = 61;

/*-- KEY OPTION VALUES ----*/

const char PROGCH = 'P';
const char LPROGCH = 'p';
const int PROG   = 1; 
const int ABOUT  = 2;
const int HELP   = 3;

const char FILECH = 'F';
const char LFILECH = 'f';
const int FILE   = 4;     
const int NEW    = 5;
const int OPEN   = 6;
const int SAVE   = 7;
const int SAVEAS = 8;
const int CLOSE  = 9;
const int QUIT   = 10;

const char EDITCH = 'E'; 
const char LEDITCH = 'e';
const int EDIT   = 11;
const int UNDO   = 12;
const int REDO   = 13;
const int ADD    = 14;
const int DELETE = 15;
const int MNAME  = 16;
const int MLABEL = 17;
const int MTYPE  = 18;

const char VIEWCH = 'V';  
const char LVIEWCH = 'v';
const int VIEW   = 19;    
const int DESCR  = 20;
const int CODEINFO = 21;
const int BACK   = 22;
const int ROOT   = 23;
const int INDEX  = 24;

const char SEECH = 'S';
const char LSEECH = 's';
const int SEE    = 25;    
const int NOCOM  = 99;
const int NO_OPT = 99;

/*-- FUNCTION PROTOTYPES --------------------------------------------------*/

int     menumode( menus menulist, int key, winptr &mainwin, winptr &IOwin );

Boolean InitMenus( winptr &mainwin, menus &menulist, winptr &menubar );

void    Resetmwin( menus &currmenu );

void    ActivateMenu( winptr &menuwin );

void    DestroyMenus( menus &menulist );

void    CustomMenu( winptr &newmenu, int length);

/*-------------------------------------------------------------------------*/

#endif