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/* Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
*
* 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, 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of SCM.
*
* The exception is that, if you link the SCM library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the SCM library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name SCM. If you copy
* code from other Free Software Foundation releases into a copy of
* SCM, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for SCM, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
/* "crs.c" interface to `curses' interactive terminal control library.
Author: Aubrey Jaffer */
#include "scm.h"
#ifdef __FreeBSD__
# include <ncurses.h>
#else
# ifdef __NetBSD__
# include <ncurses.h>
# else
# include <curses.h>
# endif
#endif
#ifdef MWC
# include <unctrl.h>
#endif
#ifndef STDC_HEADERS
int wrefresh P((WINDOW *));
int wgetch P((WINDOW *));
#endif
/* define WIN port type */
#define WIN(obj) ((WINDOW*)CDR(obj))
#define WINP(obj) (tc16_window==TYP16(obj))
int freewindow(win)
WINDOW *win;
{
if (win==stdscr) return 0;
delwin(win);
return 0;
}
int bwaddch(c, win) int c; WINDOW *win; {waddch(win, c);return c;}
int bwaddstr(str, win) char *str; WINDOW *win; {waddstr(win, str);return 0;}
sizet bwwrite(str, siz, num, win)
sizet siz, num;
char *str; WINDOW *win;
{
sizet i = 0, prod = siz*num;
for (;i < prod;i++) waddch(win, str[i]);
return num;
}
int tc16_window;
static ptobfuns winptob = {
"window",
mark0,
freewindow,
0,
equal0,
bwaddch,
bwaddstr,
bwwrite,
wrefresh,
wgetch,
freewindow};
SCM mkwindow(win)
WINDOW *win;
{
SCM z;
if (NULL==win) return BOOL_F;
DEFER_INTS;
z = scm_port_entry((FILE *)win, tc16_window, OPN | RDNG | WRTNG);
ALLOW_INTS;
return z;
}
SCM *loc_stdscr = 0;
SCM linitscr()
{
WINDOW *win;
if NIMP(*loc_stdscr) {
refresh();
return *loc_stdscr;
}
win = initscr();
return *loc_stdscr = mkwindow(win);
}
SCM lendwin()
{
if IMP(*loc_stdscr) return BOOL_F;
return ERR==endwin() ? BOOL_F : BOOL_T;
}
static char s_newwin[] = "newwin", s_subwin[] = "subwin", s_mvwin[] = "mvwin",
s_overlay[] = "overlay", s_overwrite[] = "overwrite";
SCM lnewwin(lines, cols, args)
SCM lines, cols, args;
{
SCM begin_y, begin_x;
WINDOW *win;
ASRTER(INUMP(lines), lines, ARG1, s_newwin);
ASRTER(INUMP(cols), cols, ARG2, s_newwin);
ASRTER(2==ilength(args), args, WNA, s_newwin);
begin_y = CAR(args);
begin_x = CAR(CDR(args));
ASRTER(INUMP(begin_y), begin_y, ARG3, s_newwin);
ASRTER(INUMP(begin_x), begin_y, ARG4, s_newwin);
win = newwin(INUM(lines), INUM(cols),
INUM(begin_y), INUM(begin_x));
return mkwindow(win);
}
SCM lmvwin(win, y, x)
SCM win, y, x;
{
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_mvwin);
ASRTER(INUMP(x), x, ARG2, s_mvwin);
ASRTER(INUMP(y), y, ARG3, s_mvwin);
return ERR==mvwin(WIN(win), INUM(y), INUM(x)) ? BOOL_F : BOOL_T;
}
SCM lsubwin(win, lines, args)
SCM win, lines, args;
{
SCM cols, begin_y, begin_x;
WINDOW *nwin;
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_subwin);
ASRTER(INUMP(lines), lines, ARG2, s_subwin);
ASRTER(3==ilength(args), args, WNA, s_subwin);
cols = CAR(args);
args = CDR(args);
begin_y = CAR(args);
begin_x = CAR(CDR(args));
ASRTER(INUMP(cols), cols, ARG3, s_subwin);
ASRTER(INUMP(begin_y), begin_y, ARG3, s_subwin);
ASRTER(INUMP(begin_x), begin_y, ARG4, s_subwin);
nwin = subwin(WIN(win), INUM(lines), INUM(cols),
INUM(begin_y), INUM(begin_x));
return mkwindow(nwin);
}
SCM loverlay(srcwin, dstwin)
SCM srcwin, dstwin;
{
ASRTER(NIMP(srcwin) && WINP(srcwin), srcwin, ARG1, s_overlay);
ASRTER(NIMP(dstwin) && WINP(dstwin), dstwin, ARG2, s_overlay);
return ERR==overlay(WIN(srcwin), WIN(dstwin)) ? BOOL_F : BOOL_T;
}
SCM loverwrite(srcwin, dstwin)
SCM srcwin, dstwin;
{
ASRTER(NIMP(srcwin) && WINP(srcwin), srcwin, ARG1, s_overwrite);
ASRTER(NIMP(dstwin) && WINP(dstwin), dstwin, ARG2, s_overwrite);
return ERR==overwrite(WIN(srcwin), WIN(dstwin)) ? BOOL_F : BOOL_T;
}
static char s_wmove[] = "wmove", s_wadd[] = "wadd", s_winsch[] = "winsch",
s_box[] = "box";
SCM lwmove(win, y, x)
SCM win, y, x;
{
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_wmove);
ASRTER(INUMP(x), x, ARG2, s_wmove);
ASRTER(INUMP(y), y, ARG3, s_wmove);
return ERR==wmove(WIN(win), INUM(y), INUM(x)) ? BOOL_F : BOOL_T;
}
SCM lwadd(win, obj)
SCM win, obj;
{
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_wadd);
if ICHRP(obj)
return ERR==waddch(WIN(win), ICHR(obj)) ? BOOL_F : BOOL_T;
if INUMP(obj)
return ERR==waddch(WIN(win), INUM(obj)) ? BOOL_F : BOOL_T;
ASRTER(NIMP(obj) && STRINGP(obj), obj, ARG2, s_wadd);
return ERR==waddstr(WIN(win), CHARS(obj)) ? BOOL_F : BOOL_T;
}
SCM lwinsch(win, obj)
SCM win, obj;
{
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_winsch);
if INUMP(obj)
return ERR==winsch(WIN(win), INUM(obj)) ? BOOL_F : BOOL_T;
ASRTER(ICHRP(obj), obj, ARG2, s_winsch);
return ERR==winsch(WIN(win), ICHR(obj)) ? BOOL_F : BOOL_T;
}
SCM lbox(win, vertch, horch)
SCM win, vertch, horch;
{
int v, h;
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_box);
if INUMP(vertch) v = INUM(vertch);
else {
ASRTER(ICHRP(vertch), vertch, ARG2, s_box);
v = ICHR(vertch);
}
if INUMP(horch) h = INUM(horch);
else {
ASRTER(ICHRP(horch), horch, ARG3, s_box);
h = ICHR(horch);
}
return ERR==box(WIN(win), v, h) ? BOOL_F : BOOL_T;
}
static char s_getyx[] = "getyx", s_winch[] = "winch", s_unctrl[] = "unctrl";
SCM lgetyx(win)
SCM win;
{
int y, x;
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_getyx);
getyx(WIN(win), y, x);
return cons2(MAKINUM(y), MAKINUM(x), EOL);
}
SCM lwinch(win)
SCM win;
{
ASRTER(NIMP(win) && WINP(win), win, ARG1, s_winch);
return MAKICHR(winch(WIN(win)));
}
SCM lunctrl(c)
SCM c;
{
ASRTER(ICHRP(c), c, ARG1, s_unctrl);
{
char *str = unctrl(ICHR(c));
return makfrom0str(str);
}
}
static char s_owidth[] = "output-port-width";
static char s_oheight[] = "output-port-height";
SCM owidth(arg)
SCM arg;
{
if UNBNDP(arg) arg = cur_outp;
ASRTER(NIMP(arg) && OPOUTPORTP(arg), arg, ARG1, s_owidth);
if NIMP(*loc_stdscr)
if WINP(arg) return MAKINUM(WIN(arg)->_maxx+1);
else return MAKINUM(COLS);
return MAKINUM(80);
}
SCM oheight(arg)
SCM arg;
{
if UNBNDP(arg) arg = cur_outp;
ASRTER(NIMP(arg) && OPOUTPORTP(arg), arg, ARG1, s_owidth);
if NIMP(*loc_stdscr)
if WINP(arg) return MAKINUM(WIN(arg)->_maxy+1);
else return MAKINUM(LINES);
return MAKINUM(24);
}
SCM lrefresh()
{
return MAKINUM(wrefresh(curscr));
}
#define SUBR0(lname, name) SCM lname(){name();return UNSPECIFIED;}
SUBR0(lnl, nl)
SUBR0(lnonl, nonl)
SUBR0(lcbreak, cbreak)
SUBR0(lnocbreak, nocbreak)
SUBR0(lecho, echo)
SUBR0(lnoecho, noecho)
SUBR0(lraw, raw)
SUBR0(lnoraw, noraw)
SUBR0(lsavetty, savetty)
SUBR0(lresetty, resetty)
static char s_nonl[] = "nonl", s_nocbreak[] = "nocbreak",
s_noecho[] = "noecho", s_noraw[] = "noraw";
static iproc subr0s[] = {
{"initscr", linitscr},
{"endwin", lendwin},
{&s_nonl[2], lnl},
{s_nonl, lnonl},
{&s_nocbreak[2], lcbreak},
{s_nocbreak, lnocbreak},
{&s_noecho[2], lecho},
{s_noecho, lnoecho},
{&s_noraw[2], lraw},
{s_noraw, lnoraw},
{"resetty", lresetty},
{"savetty", lsavetty},
{"refresh", lrefresh},
{0, 0}};
#define SUBRW(ln, n, s_n, sn) static char s_n[]=sn;\
SCM ln(w)SCM w;\
{ASRTER(NIMP(w) && WINP(w), w, ARG1, sn);\
return ERR==n(WIN(w))?BOOL_F:BOOL_T;}
SUBRW(lwerase, werase, s_werase, "werase")
SUBRW(lwclear, wclear, s_wclear, "wclear")
SUBRW(lwclrtobot, wclrtobot, s_wclrtobot, "wclrtobot")
SUBRW(lwclrtoeol, wclrtoeol, s_wclrtoeol, "wclrtoeol")
SUBRW(lwdelch, wdelch, s_wdelch, "wdelch")
SUBRW(lwdeleteln, wdeleteln, s_wdeleteln, "wdeleteln")
SUBRW(lwinsertln, winsertln, s_winsertln, "winsertln")
SUBRW(lscroll, scroll, s_scroll, "scroll")
SUBRW(ltouchwin, touchwin, s_touchwin, "touchwin")
SUBRW(lwstandout, wstandout, s_wstandout, "wstandout")
SUBRW(lwstandend, wstandend, s_wstandend, "wstandend")
static iproc subr1s[] = {
{s_werase, lwerase},
{s_wclear, lwclear},
{s_wclrtobot, lwclrtobot},
{s_wclrtoeol, lwclrtoeol},
{s_wdelch, lwdelch},
{s_wdeleteln, lwdeleteln},
{s_winsertln, lwinsertln},
{s_scroll, lscroll},
{s_touchwin, ltouchwin},
{s_wstandout, lwstandout},
{s_wstandend, lwstandend},
{s_getyx, lgetyx},
{s_winch, lwinch},
{s_unctrl, lunctrl},
{0, 0}};
#define SUBROPT(ln, n, s_n, sn) static char s_n[]=sn;\
SCM ln(w, b)SCM w, b;\
{ASRTER(NIMP(w) && WINP(w), w, ARG1, sn);\
return ERR==n(WIN(w), BOOL_F != b)?BOOL_F:BOOL_T;}
SUBROPT(lidlok, idlok, s_idlok, "idlok")
SUBROPT(lleaveok, leaveok, s_leaveok, "leaveok")
SUBROPT(lscrollok, scrollok, s_scrollok, "scrollok")
SUBROPT(lnodelay, nodelay, s_nodelay, "nodelay")
/* SUBROPT(lclearok, clearok, s_clearok, "clearok") */
static char s_clearok[] = "clearok";
SCM lclearok(w, b) SCM w, b;
{
if (BOOL_T==w) return ERR==clearok(curscr, BOOL_F != b)?BOOL_F:BOOL_T;
ASRTER(NIMP(w) && WINP(w), w, ARG1, s_clearok);
return ERR==clearok(WIN(w), BOOL_F != b)?BOOL_F:BOOL_T;
}
static iproc subr2s[] = {
{s_overlay, loverlay},
{s_overwrite, loverwrite},
{s_wadd, lwadd},
{s_winsch, lwinsch},
{s_clearok, lclearok},
{s_idlok, lidlok},
{s_leaveok, lleaveok},
{s_scrollok, lscrollok},
{s_nodelay, lnodelay},
{0, 0}};
void init_crs()
{
/* savetty(); */
/* "Stdscr" is a nearly inaccessible symbol used as a GC protect. */
loc_stdscr = &CDR(sysintern("Stdscr", UNDEFINED));
tc16_window = newptob(&winptob);
init_iprocs(subr0s, tc7_subr_0);
init_iprocs(subr1s, tc7_subr_1);
init_iprocs(subr2s, tc7_subr_2);
make_subr(s_owidth, tc7_subr_1o, owidth);
make_subr(s_oheight, tc7_subr_1o, oheight);
make_subr(s_newwin, tc7_lsubr_2, lnewwin);
make_subr(s_subwin, tc7_lsubr_2, lsubwin);
make_subr(s_wmove, tc7_subr_3, lwmove);
make_subr(s_mvwin, tc7_subr_3, lmvwin);
make_subr(s_box, tc7_subr_3, lbox);
add_feature("curses");
add_final(lendwin);
}
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