/* $Header: curses.mus,v 4.0 91/03/20 01:56:13 lwall Locked $
 *
 * $Log:	curses.mus,v $
 * Revision 4.0  91/03/20  01:56:13  lwall
 * 4.0 baseline.
 * 
 * Revision 3.0.1.1  90/08/09  04:05:21  lwall
 * patch19: Initial revision
 * 
 */

#include "EXTERN.h"
#include "perl.h"
extern int wantarray;

char *savestr();

#include <curses.h>

static enum uservars {
    UV_curscr,
    UV_stdscr,
    UV_Def_term,
    UV_My_term,
    UV_ttytype,
    UV_LINES,
    UV_COLS,
    UV_ERR,
    UV_OK,
};

static enum usersubs {
    US_addch,
    US_waddch,
    US_addstr,
    US_waddstr,
    US_box,
    US_clear,
    US_wclear,
    US_clearok,
    US_clrtobot,
    US_wclrtobot,
    US_clrtoeol,
    US_wclrtoeol,
    US_delch,
    US_wdelch,
    US_deleteln,
    US_wdeleteln,
    US_erase,
    US_werase,
    US_flushok,
    US_idlok,
    US_insch,
    US_winsch,
    US_insertln,
    US_winsertln,
    US_move,
    US_wmove,
    US_overlay,
    US_overwrite,
    US_printw,
    US_wprintw,
    US_refresh,
    US_wrefresh,
    US_standout,
    US_wstandout,
    US_standend,
    US_wstandend,
    US_cbreak,
    US_nocbreak,
    US_echo,
    US_noecho,
    US_getch,
    US_wgetch,
    US_getstr,
    US_wgetstr,
    US_raw,
    US_noraw,
    US_scanw,
    US_wscanw,
    US_baudrate,
    US_delwin,
    US_endwin,
    US_erasechar,
    US_getcap,
    US_getyx,
    US_inch,
    US_winch,
    US_initscr,
    US_killchar,
    US_leaveok,
    US_longname,
    US_fullname,
    US_mvwin,
    US_newwin,
    US_nl,
    US_nonl,
    US_scrollok,
    US_subwin,
    US_touchline,
    US_touchoverlap,
    US_touchwin,
    US_unctrl,
    US_gettmode,
    US_mvcur,
    US_scroll,
    US_savetty,
    US_resetty,
    US_setterm,
    US_tstp,
    US__putchar,
};

static int usersub();
static int userset();
static int userval();

int
init_curses()
{
    struct ufuncs uf;
    char *filename = "curses.c";

    uf.uf_set = userset;
    uf.uf_val = userval;

#define MAGICVAR(name, ix) uf.uf_index = ix, magicname(name, &uf, sizeof uf)

    MAGICVAR("curscr",	UV_curscr);
    MAGICVAR("stdscr",	UV_stdscr);
    MAGICVAR("Def_term",UV_Def_term);
    MAGICVAR("My_term",	UV_My_term);
    MAGICVAR("ttytype",	UV_ttytype);
    MAGICVAR("LINES",	UV_LINES);
    MAGICVAR("COLS",	UV_COLS);
    MAGICVAR("ERR",	UV_ERR);
    MAGICVAR("OK",	UV_OK);

    make_usub("addch",		US_addch,	usersub, filename);
    make_usub("waddch",		US_waddch,	usersub, filename);
    make_usub("addstr",		US_addstr,	usersub, filename);
    make_usub("waddstr",	US_waddstr,	usersub, filename);
    make_usub("box",		US_box,		usersub, filename);
    make_usub("clear",		US_clear,	usersub, filename);
    make_usub("wclear",		US_wclear,	usersub, filename);
    make_usub("clearok",	US_clearok,	usersub, filename);
    make_usub("clrtobot",	US_clrtobot,	usersub, filename);
    make_usub("wclrtobot",	US_wclrtobot,	usersub, filename);
    make_usub("clrtoeol",	US_clrtoeol,	usersub, filename);
    make_usub("wclrtoeol",	US_wclrtoeol,	usersub, filename);
    make_usub("delch",		US_delch,	usersub, filename);
    make_usub("wdelch",		US_wdelch,	usersub, filename);
    make_usub("deleteln",	US_deleteln,	usersub, filename);
    make_usub("wdeleteln",	US_wdeleteln,	usersub, filename);
    make_usub("erase",		US_erase,	usersub, filename);
    make_usub("werase",		US_werase,	usersub, filename);
    make_usub("flushok",	US_flushok,	usersub, filename);
    make_usub("idlok",		US_idlok,	usersub, filename);
    make_usub("insch",		US_insch,	usersub, filename);
    make_usub("winsch",		US_winsch,	usersub, filename);
    make_usub("insertln",	US_insertln,	usersub, filename);
    make_usub("winsertln",	US_winsertln,	usersub, filename);
    make_usub("move",		US_move,	usersub, filename);
    make_usub("wmove",		US_wmove,	usersub, filename);
    make_usub("overlay",	US_overlay,	usersub, filename);
    make_usub("overwrite",	US_overwrite,	usersub, filename);
    make_usub("printw",		US_printw,	usersub, filename);
    make_usub("wprintw",	US_wprintw,	usersub, filename);
    make_usub("refresh",	US_refresh,	usersub, filename);
    make_usub("wrefresh",	US_wrefresh,	usersub, filename);
    make_usub("standout",	US_standout,	usersub, filename);
    make_usub("wstandout",	US_wstandout,	usersub, filename);
    make_usub("standend",	US_standend,	usersub, filename);
    make_usub("wstandend",	US_wstandend,	usersub, filename);
    make_usub("cbreak",		US_cbreak,	usersub, filename);
    make_usub("nocbreak",	US_nocbreak,	usersub, filename);
    make_usub("echo",		US_echo,	usersub, filename);
    make_usub("noecho",		US_noecho,	usersub, filename);
    make_usub("getch",		US_getch,	usersub, filename);
    make_usub("wgetch",		US_wgetch,	usersub, filename);
    make_usub("getstr",		US_getstr,	usersub, filename);
    make_usub("wgetstr",	US_wgetstr,	usersub, filename);
    make_usub("raw",		US_raw,		usersub, filename);
    make_usub("noraw",		US_noraw,	usersub, filename);
    make_usub("scanw",		US_scanw,	usersub, filename);
    make_usub("wscanw",		US_wscanw,	usersub, filename);
    make_usub("baudrate",	US_baudrate,	usersub, filename);
    make_usub("delwin",		US_delwin,	usersub, filename);
    make_usub("endwin",		US_endwin,	usersub, filename);
    make_usub("erasechar",	US_erasechar,	usersub, filename);
    make_usub("getcap",		US_getcap,	usersub, filename);
    make_usub("getyx",		US_getyx,	usersub, filename);
    make_usub("inch",		US_inch,	usersub, filename);
    make_usub("winch",		US_winch,	usersub, filename);
    make_usub("initscr",	US_initscr,	usersub, filename);
    make_usub("killchar",	US_killchar,	usersub, filename);
    make_usub("leaveok",	US_leaveok,	usersub, filename);
    make_usub("longname",	US_longname,	usersub, filename);
    make_usub("fullname",	US_fullname,	usersub, filename);
    make_usub("mvwin",		US_mvwin,	usersub, filename);
    make_usub("newwin",		US_newwin,	usersub, filename);
    make_usub("nl",		US_nl,		usersub, filename);
    make_usub("nonl",		US_nonl,	usersub, filename);
    make_usub("scrollok",	US_scrollok,	usersub, filename);
    make_usub("subwin",		US_subwin,	usersub, filename);
    make_usub("touchline",	US_touchline,	usersub, filename);
    make_usub("touchoverlap",	US_touchoverlap,usersub, filename);
    make_usub("touchwin",	US_touchwin,	usersub, filename);
    make_usub("unctrl",		US_unctrl,	usersub, filename);
    make_usub("gettmode",	US_gettmode,	usersub, filename);
    make_usub("mvcur",		US_mvcur,	usersub, filename);
    make_usub("scroll",		US_scroll,	usersub, filename);
    make_usub("savetty",	US_savetty,	usersub, filename);
    make_usub("resetty",	US_resetty,	usersub, filename);
    make_usub("setterm",	US_setterm,	usersub, filename);
    make_usub("tstp",		US_tstp,	usersub, filename);
    make_usub("_putchar",	US__putchar,	usersub, filename);
};

static int
usersub(ix, sp, items)
int ix;
register int sp;
register int items;
{
    STR **st = stack->ary_array + sp;
    register int i;
    register char *tmps;
    register STR *Str;		/* used in str_get and str_gnum macros */

    switch (ix) {
CASE int addch
I	char		ch
END

CASE int waddch
I	WINDOW*		win
I	char		ch
END

CASE int addstr
I	char*		str
END

CASE int waddstr
I	WINDOW*		win
I	char*		str
END

CASE int box
I	WINDOW*		win
I	char		vert
I	char		hor
END

CASE int clear
END

CASE int wclear
I	WINDOW*		win
END

CASE int clearok
I	WINDOW*		win
I	bool		boolf
END

CASE int clrtobot
END

CASE int wclrtobot
I	WINDOW*		win
END

CASE int clrtoeol
END

CASE int wclrtoeol
I	WINDOW*		win
END

CASE int delch
END

CASE int wdelch
I	WINDOW*		win
END

CASE int deleteln
END

CASE int wdeleteln
I	WINDOW*		win
END

CASE int erase
END

CASE int werase
I	WINDOW*		win
END

CASE int flushok
I	WINDOW*		win
I	bool		boolf
END

CASE int idlok
I	WINDOW*		win
I	bool		boolf
END

CASE int insch
I	char		c
END

CASE int winsch
I	WINDOW*		win
I	char		c
END

CASE int insertln
END

CASE int winsertln
I	WINDOW*		win
END

CASE int move
I	int		y
I	int		x
END

CASE int wmove
I	WINDOW*		win
I	int		y
I	int		x
END

CASE int overlay
I	WINDOW*		win1
I	WINDOW*		win2
END

CASE int overwrite
I	WINDOW*		win1
I	WINDOW*		win2
END

    case US_printw:
	if (items < 1)
	    fatal("Usage: &printw($fmt, $arg1, $arg2, ... )");
	else {
	    int retval;
	    STR*	str =		str_new(0);

	    do_sprintf(str, items - 1, st + 1);
	    retval = addstr(str->str_ptr);
	    str_numset(st[0], (double) retval);
	    str_free(str);
	}
	return sp;

    case US_wprintw:
	if (items < 2)
	    fatal("Usage: &wprintw($win, $fmt, $arg1, $arg2, ... )");
	else {
	    int retval;
	    STR*	str =		str_new(0);
	    WINDOW*	win =		*(WINDOW**)	str_get(st[1]);

	    do_sprintf(str, items - 1, st + 1);
	    retval = waddstr(win, str->str_ptr);
	    str_numset(st[0], (double) retval);
	    str_free(str);
	}
	return sp;

CASE int refresh
END

CASE int wrefresh
I	WINDOW*		win
END

CASE int standout
END

CASE int wstandout
I	WINDOW*		win
END

CASE int standend
END

CASE int wstandend
I	WINDOW*		win
END

CASE int cbreak
END

CASE int nocbreak
END

CASE int echo
END

CASE int noecho
END

    case US_getch:
        if (items != 0)
            fatal("Usage: &getch()");
        else {
            int retval;
	    char retch;

            retval = getch();
	    if (retval == EOF)
		st[0] = &str_undef;
	    else {
		retch = retval;
		str_nset(st[0], &retch, 1);
	    }
        }
        return sp;

    case US_wgetch:
        if (items != 1)
            fatal("Usage: &wgetch($win)");
        else {
            int retval;
	    char retch;
            WINDOW*     win =           *(WINDOW**)     str_get(st[1]);

            retval = wgetch(win);
	    if (retval == EOF)
		st[0] = &str_undef;
	    else {
		retch = retval;
		str_nset(st[0], &retch, 1);
	    }
        }
        return sp;

CASE int getstr
IO	char*		str
END

CASE int wgetstr
I	WINDOW*		win
IO	char*		str
END

CASE int raw
END

CASE int noraw
END

CASE int baudrate
END

CASE int delwin
I	WINDOW*		win
END

CASE int endwin
END

CASE int erasechar
END

CASE char* getcap
I	char*		str
END

    case US_getyx:
	if (items != 3)
	    fatal("Usage: &getyx($win, $y, $x)");
	else {
	    int retval;
	    STR*	str =		str_new(0);
	    WINDOW*	win =		*(WINDOW**)	str_get(st[1]);
	    int		y;
	    int		x;

	    do_sprintf(str, items - 1, st + 1);
	    retval = getyx(win, y, x);
	    str_numset(st[2], (double)y);
	    str_numset(st[3], (double)x);
	    str_numset(st[0], (double) retval);
	    str_free(str);
	}
	return sp;

	
CASE int inch
END

CASE int winch
I	WINDOW*		win
END

CASE WINDOW* initscr
END

CASE int killchar
END

CASE int leaveok
I	WINDOW*		win
I	bool		boolf
END

CASE char* longname
I	char*		termbuf
IO	char*		name
END

CASE int fullname
I	char*		termbuf
IO	char*		name
END

CASE int mvwin
I	WINDOW*		win
I	int		y
I	int		x
END

CASE WINDOW* newwin
I	int		lines
I	int		cols
I	int		begin_y
I	int		begin_x
END

CASE int nl
END

CASE int nonl
END

CASE int scrollok
I	WINDOW*		win
I	bool		boolf
END

CASE WINDOW* subwin
I	WINDOW*		win
I	int		lines
I	int		cols
I	int		begin_y
I	int		begin_x
END

CASE int touchline
I	WINDOW*		win
I	int		y
I	int		startx
I	int		endx
END

CASE int touchoverlap
I	WINDOW*		win1
I	WINDOW*		win2
END

CASE int touchwin
I	WINDOW*		win
END

CASE char* unctrl
I	char		ch
END

CASE int gettmode
END

CASE int mvcur
I	int		lasty
I	int		lastx
I	int		newy
I	int		newx
END

CASE int scroll
I	WINDOW*		win
END

CASE int savetty
END

CASE void resetty
END

CASE int setterm
I	char*		name
END

CASE int tstp
END

CASE int _putchar
I	char		ch
END

    default:
	fatal("Unimplemented user-defined subroutine");
    }
    return sp;
}

static int
userval(ix, str)
int ix;
STR *str;
{
    switch (ix) {
    case UV_COLS:
	str_numset(str, (double)COLS);
	break;
    case UV_Def_term:
	str_set(str, Def_term);
	break;
    case UV_ERR:
	str_numset(str, (double)ERR);
	break;
    case UV_LINES:
	str_numset(str, (double)LINES);
	break;
    case UV_My_term:
	str_numset(str, (double)My_term);
	break;
    case UV_OK:
	str_numset(str, (double)OK);
	break;
    case UV_curscr:
	str_nset(str, &curscr, sizeof(WINDOW*));
	break;
    case UV_stdscr:
	str_nset(str, &stdscr, sizeof(WINDOW*));
	break;
    case UV_ttytype:
	str_set(str, ttytype);
	break;
    }
    return 0;
}

static int
userset(ix, str)
int ix;
STR *str;
{
    switch (ix) {
    case UV_COLS:
	COLS = (int)str_gnum(str);
	break;
    case UV_Def_term:
	Def_term = savestr(str_get(str));	/* never freed */
	break;
    case UV_LINES:
	LINES = (int)str_gnum(str);
	break;
    case UV_My_term:
	My_term = (bool)str_gnum(str);
	break;
    case UV_ttytype:
	strcpy(ttytype, str_get(str));		/* hope it fits */
	break;
    }
    return 0;
}