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ruby--ruby/ext/curses/curses.c
matz d7b8e448bf 2000-03-06
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@632 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2000-03-06 04:15:42 +00:00

848 lines
15 KiB
C

/*
* ext/curses/curses.c
*
* by MAEDA Shugo (ender@pic-internet.or.jp)
* modified by Yukihiro Matsumoto (matz@netlab.co.jp)
*/
#ifdef HAVE_NCURSES_H
# include <ncurses.h>
#else
# ifdef HAVE_NCURSES_CURSES_H
# include <ncurses/curses.h>
#else
# ifdef HAVE_CURSES_COLR_CURSES_H
# include <varargs.h>
# include <curses_colr/curses.h>
# else
# include <curses.h>
# if (defined(__bsdi__) || defined(__NetBSD__)) && !defined(_maxx)
# define _maxx maxx
# endif
# if (defined(__bsdi__) || defined(__NetBSD__)) && !defined(_maxy)
# define _maxy maxy
# endif
# if (defined(__bsdi__) || defined(__NetBSD__)) && !defined(_begx)
# define _begx begx
# endif
# if (defined(__bsdi__) || defined(__NetBSD__)) && !defined(_begy)
# define _begy begy
# endif
# endif
#endif
#endif
#include "stdio.h"
#include "ruby.h"
#include "rubyio.h"
static VALUE mCurses;
static VALUE cWindow;
VALUE rb_stdscr;
struct windata {
WINDOW *window;
};
static void
no_window()
{
rb_raise(rb_eRuntimeError, "already closed window");
}
#define GetWINDOW(obj, winp) {\
Data_Get_Struct(obj, struct windata, winp);\
if (winp->window == 0) no_window();\
}
#define CHECK(c) c
static void
free_window(winp)
struct windata *winp;
{
if (winp->window && winp->window != stdscr) delwin(winp->window);
winp->window = 0;
free(winp);
}
static VALUE
prep_window(class, window)
VALUE class;
WINDOW *window;
{
VALUE obj;
struct windata *winp;
if (window == NULL) {
rb_raise(rb_eRuntimeError, "failed to create window");
}
obj = Data_Make_Struct(class, struct windata, 0, free_window, winp);
winp->window = window;
return obj;
}
/*-------------------------- module Curses --------------------------*/
/* def init_screen */
static VALUE
curses_init_screen()
{
initscr();
if (stdscr == 0) {
rb_raise(rb_eRuntimeError, "cannot initialize curses");
}
clear();
rb_stdscr = prep_window(cWindow, stdscr);
return Qnil;
}
/* def stdscr */
static VALUE
curses_stdscr()
{
if (rb_stdscr == 0) curses_init_screen();
return rb_stdscr;
}
/* def close_screen */
static VALUE
curses_close_screen()
{
#ifdef HAVE_ISENDWIN
if (!isendwin())
#endif
endwin();
return Qnil;
}
static void
curses_finalize()
{
if (stdscr
#ifdef HAVE_ISENDWIN
&& !isendwin()
#endif
)
endwin();
}
/* def closed? */
static VALUE
curses_closed()
{
#ifdef HAVE_ISENDWIN
if (isendwin()) {
return Qtrue;
}
return Qfalse;
#else
rb_notimplement();
#endif
}
/* def clear */
static VALUE
curses_clear(obj)
VALUE obj;
{
wclear(stdscr);
return Qnil;
}
/* def refresh */
static VALUE
curses_refresh(obj)
VALUE obj;
{
refresh();
return Qnil;
}
/* def doupdate */
static VALUE
curses_doupdate(obj)
VALUE obj;
{
#ifdef HAVE_DOUPDATE
doupdate();
#else
refresh();
#endif
return Qnil;
}
/* def echo */
static VALUE
curses_echo(obj)
VALUE obj;
{
echo();
return Qnil;
}
/* def noecho */
static VALUE
curses_noecho(obj)
VALUE obj;
{
noecho();
return Qnil;
}
/* def raw */
static VALUE
curses_raw(obj)
VALUE obj;
{
raw();
return Qnil;
}
/* def noraw */
static VALUE
curses_noraw(obj)
VALUE obj;
{
noraw();
return Qnil;
}
/* def cbreak */
static VALUE
curses_cbreak(obj)
VALUE obj;
{
cbreak();
return Qnil;
}
/* def nocbreak */
static VALUE
curses_nocbreak(obj)
VALUE obj;
{
nocbreak();
return Qnil;
}
/* def nl */
static VALUE
curses_nl(obj)
VALUE obj;
{
nl();
return Qnil;
}
/* def nonl */
static VALUE
curses_nonl(obj)
VALUE obj;
{
nonl();
return Qnil;
}
/* def beep */
static VALUE
curses_beep(obj)
VALUE obj;
{
#ifdef HAVE_BEEP
beep();
#endif
return Qnil;
}
/* def flash */
static VALUE
curses_flash(obj)
VALUE obj;
{
#ifdef HAVE_FLASH
flash();
#endif
return Qnil;
}
/* def ungetch */
static VALUE
curses_ungetch(obj, ch)
VALUE obj;
VALUE ch;
{
#ifdef HAVE_UNGETCH
ungetch(NUM2INT(ch));
#else
rb_notimplement();
#endif
return Qnil;
}
/* def setpos(y, x) */
static VALUE
curses_setpos(obj, y, x)
VALUE obj;
VALUE y;
VALUE x;
{
move(NUM2INT(y), NUM2INT(x));
return Qnil;
}
/* def standout */
static VALUE
curses_standout(obj)
VALUE obj;
{
standout();
return Qnil;
}
/* def standend */
static VALUE
curses_standend(obj)
VALUE obj;
{
standend();
return Qnil;
}
/* def inch */
static VALUE
curses_inch(obj)
VALUE obj;
{
return CHR2FIX(inch());
}
/* def addch(ch) */
static VALUE
curses_addch(obj, ch)
VALUE obj;
VALUE ch;
{
addch(NUM2CHR(ch));
return Qnil;
}
/* def insch(ch) */
static VALUE
curses_insch(obj, ch)
VALUE obj;
VALUE ch;
{
insch(NUM2CHR(ch));
return Qnil;
}
/* def addstr(str) */
static VALUE
curses_addstr(obj, str)
VALUE obj;
VALUE str;
{
if (!NIL_P(str)) {
addstr(STR2CSTR(str));
}
return Qnil;
}
/* def getch */
static VALUE
curses_getch(obj)
VALUE obj;
{
rb_read_check(stdin);
return CHR2FIX(getch());
}
/* def getstr */
static VALUE
curses_getstr(obj)
VALUE obj;
{
char rtn[1024]; /* This should be big enough.. I hope */
rb_read_check(stdin);
getstr(rtn);
return rb_tainted_str_new2(rtn);
}
/* def delch */
static VALUE
curses_delch(obj)
VALUE obj;
{
delch();
return Qnil;
}
/* def delelteln */
static VALUE
curses_deleteln(obj)
VALUE obj;
{
#ifdef HAVE_DELETELN
deleteln();
#endif
return Qnil;
}
static VALUE
curses_lines()
{
return INT2FIX(LINES);
}
static VALUE
curses_cols()
{
return INT2FIX(COLS);
}
/*-------------------------- class Window --------------------------*/
/* def new(h, w, top, left) */
static VALUE
window_s_new(class, h, w, top, left)
VALUE class;
VALUE h;
VALUE w;
VALUE top;
VALUE left;
{
VALUE win;
WINDOW *window;
VALUE args[4];
window = newwin(NUM2INT(h), NUM2INT(w), NUM2INT(top), NUM2INT(left));
wclear(window);
win = prep_window(class, window);
args[0] = h; args[1] = w; args[2] = top; args[3] = left;
return win;
}
/* def subwin(h, w, top, left) */
static VALUE
window_subwin(obj, h, w, top, left)
VALUE obj;
VALUE h;
VALUE w;
VALUE top;
VALUE left;
{
struct windata *winp;
WINDOW *window;
VALUE win;
VALUE args[4];
GetWINDOW(obj, winp);
window = subwin(winp->window, NUM2INT(h), NUM2INT(w),
NUM2INT(top), NUM2INT(left));
win = prep_window(cWindow, window);
args[0] = h; args[1] = w; args[2] = top; args[3] = left;
return win;
}
/* def close */
static VALUE
window_close(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
delwin(winp->window);
winp->window = 0;
return Qnil;
}
/* def clear */
static VALUE
window_clear(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
wclear(winp->window);
return Qnil;
}
/* def refresh */
static VALUE
window_refresh(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
wrefresh(winp->window);
return Qnil;
}
/* def box(vert, hor) */
static VALUE
window_box(obj, vert, hor)
VALUE obj;
VALUE vert;
VALUE hor;
{
struct windata *winp;
GetWINDOW(obj, winp);
box(winp->window, NUM2CHR(vert), NUM2CHR(hor));
return Qnil;
}
/* def move(y, x) */
static VALUE
window_move(obj, y, x)
VALUE obj;
VALUE y;
VALUE x;
{
struct windata *winp;
GetWINDOW(obj, winp);
mvwin(winp->window, NUM2INT(y), NUM2INT(x));
return Qnil;
}
/* def setpos(y, x) */
static VALUE
window_setpos(obj, y, x)
VALUE obj;
VALUE y;
VALUE x;
{
struct windata *winp;
GetWINDOW(obj, winp);
wmove(winp->window, NUM2INT(y), NUM2INT(x));
return Qnil;
}
/* def cury */
static VALUE
window_cury(obj)
VALUE obj;
{
struct windata *winp;
int x, y;
GetWINDOW(obj, winp);
getyx(winp->window, y, x);
return INT2FIX(y);
}
/* def curx */
static VALUE
window_curx(obj)
VALUE obj;
{
struct windata *winp;
int x, y;
GetWINDOW(obj, winp);
getyx(winp->window, y, x);
return INT2FIX(x);
}
/* def maxy */
static VALUE
window_maxy(obj)
VALUE obj;
{
struct windata *winp;
int x, y;
GetWINDOW(obj, winp);
#ifdef getmaxy
return INT2FIX(getmaxy(winp->window));
#else
#ifdef getmaxyx
getmaxyx(winp->window, y, x);
return INT2FIX(y);
#else
return INT2FIX(winp->window->_maxy+1);
#endif
#endif
}
/* def maxx */
static VALUE
window_maxx(obj)
VALUE obj;
{
struct windata *winp;
int x, y;
GetWINDOW(obj, winp);
#ifdef getmaxx
return INT2FIX(getmaxx(winp->window));
#else
#ifdef getmaxyx
getmaxyx(winp->window, y, x);
return INT2FIX(x);
#else
return INT2FIX(winp->window->_maxx+1);
#endif
#endif
}
/* def begy */
static VALUE
window_begy(obj)
VALUE obj;
{
struct windata *winp;
int x, y;
GetWINDOW(obj, winp);
#ifdef getbegyx
getbegyx(winp->window, y, x);
return INT2FIX(y);
#else
return INT2FIX(winp->window->_begy);
#endif
}
/* def begx */
static VALUE
window_begx(obj)
VALUE obj;
{
struct windata *winp;
int x, y;
GetWINDOW(obj, winp);
#ifdef getbegyx
getbegyx(winp->window, y, x);
return INT2FIX(x);
#else
return INT2FIX(winp->window->_begx);
#endif
}
/* def standout */
static VALUE
window_standout(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
wstandout(winp->window);
return Qnil;
}
/* def standend */
static VALUE
window_standend(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
wstandend(winp->window);
return Qnil;
}
/* def inch */
static VALUE
window_inch(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
return CHR2FIX(winch(winp->window));
}
/* def addch(ch) */
static VALUE
window_addch(obj, ch)
VALUE obj;
VALUE ch;
{
struct windata *winp;
GetWINDOW(obj, winp);
waddch(winp->window, NUM2CHR(ch));
return Qnil;
}
/* def insch(ch) */
static VALUE
window_insch(obj, ch)
VALUE obj;
VALUE ch;
{
struct windata *winp;
GetWINDOW(obj, winp);
winsch(winp->window, NUM2CHR(ch));
return Qnil;
}
/* def addstr(str) */
static VALUE
window_addstr(obj, str)
VALUE obj;
VALUE str;
{
if (!NIL_P(str)) {
struct windata *winp;
GetWINDOW(obj, winp);
waddstr(winp->window, STR2CSTR(str));
}
return Qnil;
}
/* def <<(str) */
static VALUE
window_addstr2(obj, str)
VALUE obj;
VALUE str;
{
window_addstr(obj, str);
return obj;
}
/* def getch */
static VALUE
window_getch(obj)
VALUE obj;
{
struct windata *winp;
rb_read_check(stdin);
GetWINDOW(obj, winp);
return CHR2FIX(wgetch(winp->window));
}
/* def getstr */
static VALUE
window_getstr(obj)
VALUE obj;
{
struct windata *winp;
char rtn[1024]; /* This should be big enough.. I hope */
GetWINDOW(obj, winp);
rb_read_check(stdin);
wgetstr(winp->window, rtn);
return rb_tainted_str_new2(rtn);
}
/* def delch */
static VALUE
window_delch(obj)
VALUE obj;
{
struct windata *winp;
GetWINDOW(obj, winp);
wdelch(winp->window);
return Qnil;
}
/* def delelteln */
static VALUE
window_deleteln(obj)
VALUE obj;
{
#ifdef HAVE_WDELETELN
struct windata *winp;
GetWINDOW(obj, winp);
wdeleteln(winp->window);
#endif
return Qnil;
}
/*------------------------- Initialization -------------------------*/
void
Init_curses()
{
mCurses = rb_define_module("Curses");
rb_define_module_function(mCurses, "init_screen", curses_init_screen, 0);
rb_define_module_function(mCurses, "close_screen", curses_close_screen, 0);
rb_define_module_function(mCurses, "closed?", curses_closed, 0);
rb_define_module_function(mCurses, "stdscr", curses_stdscr, 0);
rb_define_module_function(mCurses, "refresh", curses_refresh, 0);
rb_define_module_function(mCurses, "doupdate", curses_doupdate, 0);
rb_define_module_function(mCurses, "clear", curses_clear, 0);
rb_define_module_function(mCurses, "echo", curses_echo, 0);
rb_define_module_function(mCurses, "noecho", curses_noecho, 0);
rb_define_module_function(mCurses, "raw", curses_raw, 0);
rb_define_module_function(mCurses, "noraw", curses_noraw, 0);
rb_define_module_function(mCurses, "cbreak", curses_cbreak, 0);
rb_define_module_function(mCurses, "nocbreak", curses_nocbreak, 0);
rb_define_alias(mCurses, "crmode", "cbreak");
rb_define_alias(mCurses, "nocrmode", "nocbreak");
rb_define_module_function(mCurses, "nl", curses_nl, 0);
rb_define_module_function(mCurses, "nonl", curses_nonl, 0);
rb_define_module_function(mCurses, "beep", curses_beep, 0);
rb_define_module_function(mCurses, "flash", curses_flash, 0);
rb_define_module_function(mCurses, "ungetch", curses_ungetch, 1);
rb_define_module_function(mCurses, "setpos", curses_setpos, 2);
rb_define_module_function(mCurses, "standout", curses_standout, 0);
rb_define_module_function(mCurses, "standend", curses_standend, 0);
rb_define_module_function(mCurses, "inch", curses_inch, 0);
rb_define_module_function(mCurses, "addch", curses_addch, 1);
rb_define_module_function(mCurses, "insch", curses_insch, 1);
rb_define_module_function(mCurses, "addstr", curses_addstr, 1);
rb_define_module_function(mCurses, "getch", curses_getch, 0);
rb_define_module_function(mCurses, "getstr", curses_getstr, 0);
rb_define_module_function(mCurses, "delch", curses_delch, 0);
rb_define_module_function(mCurses, "deleteln", curses_deleteln, 0);
rb_define_module_function(mCurses, "lines", curses_lines, 0);
rb_define_module_function(mCurses, "cols", curses_cols, 0);
cWindow = rb_define_class_under(mCurses, "Window", rb_cObject);
rb_define_singleton_method(cWindow, "new", window_s_new, 4);
rb_define_method(cWindow, "subwin", window_subwin, 4);
rb_define_method(cWindow, "close", window_close, 0);
rb_define_method(cWindow, "clear", window_clear, 0);
rb_define_method(cWindow, "refresh", window_refresh, 0);
rb_define_method(cWindow, "box", window_box, 2);
rb_define_method(cWindow, "move", window_move, 2);
rb_define_method(cWindow, "setpos", window_setpos, 2);
rb_define_method(cWindow, "cury", window_cury, 0);
rb_define_method(cWindow, "curx", window_curx, 0);
rb_define_method(cWindow, "maxy", window_maxy, 0);
rb_define_method(cWindow, "maxx", window_maxx, 0);
rb_define_method(cWindow, "begy", window_begy, 0);
rb_define_method(cWindow, "begx", window_begx, 0);
rb_define_method(cWindow, "standout", window_standout, 0);
rb_define_method(cWindow, "standend", window_standend, 0);
rb_define_method(cWindow, "inch", window_inch, 0);
rb_define_method(cWindow, "addch", window_addch, 1);
rb_define_method(cWindow, "insch", window_insch, 1);
rb_define_method(cWindow, "addstr", window_addstr, 1);
rb_define_method(cWindow, "<<", window_addstr2, 1);
rb_define_method(cWindow, "getch", window_getch, 0);
rb_define_method(cWindow, "getstr", window_getstr, 0);
rb_define_method(cWindow, "delch", window_delch, 0);
rb_define_method(cWindow, "deleteln", window_deleteln, 0);
rb_set_end_proc(curses_finalize, 0);
}