int
__timeout(int delay)
{
#ifdef DEBUG
__CTRACE(__CTRACE_MISC, "__timeout()\n");
#endif
/* Check if we need to restart ... */
if (_cursesi_screen->endwin)
__restartwin();
if (_cursesi_screen->notty == TRUE)
return OK;
_cursesi_screen->ovmin = _cursesi_screen->cbreakt.c_cc[VMIN];
_cursesi_screen->ovtime = _cursesi_screen->cbreakt.c_cc[VTIME];
_cursesi_screen->rawt.c_cc[VMIN] = 0;
_cursesi_screen->rawt.c_cc[VTIME] = delay;
_cursesi_screen->cbreakt.c_cc[VMIN] = 0;
_cursesi_screen->cbreakt.c_cc[VTIME] = delay;
_cursesi_screen->baset.c_cc[VMIN] = 0;
_cursesi_screen->baset.c_cc[VTIME] = delay;
if (tcsetattr(fileno(_cursesi_screen->infd),
__tcaction ? TCSASOFT | TCSANOW : TCSANOW,
_cursesi_screen->curt)) {
__restore_termios();
return ERR;
}
return OK;
}
int
__nodelay(void)
{
#ifdef DEBUG
__CTRACE(__CTRACE_MISC, "__nodelay()\n");
#endif
/* Check if we need to restart ... */
if (_cursesi_screen->endwin)
__restartwin();
if (_cursesi_screen->notty == TRUE)
return OK;
_cursesi_screen->rawt.c_cc[VMIN] = 0;
_cursesi_screen->rawt.c_cc[VTIME] = 0;
_cursesi_screen->cbreakt.c_cc[VMIN] = 0;
_cursesi_screen->cbreakt.c_cc[VTIME] = 0;
_cursesi_screen->baset.c_cc[VMIN] = 0;
_cursesi_screen->baset.c_cc[VTIME] = 0;
if (tcsetattr(fileno(_cursesi_screen->infd), TCSASOFT | TCSANOW,
_cursesi_screen->curt)) {
__restore_termios();
return ERR;
}
return OK;
}
/*
* wgetch --
* Read in a character from the window.
*/
int
wgetch(WINDOW *win)
{
int inp, weset;
int c;
FILE *infd = _cursesi_screen->infd;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch: win(%p)\n", win);
#endif
if (!(win->flags & __SCROLLOK) && (win->flags & __FULLWIN)
&& win->curx == win->maxx - 1 && win->cury == win->maxy - 1
&& __echoit)
return (ERR);
if (is_wintouched(win))
wrefresh(win);
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch: __echoit = %d, "
"__rawmode = %d, __nl = %d, flags = %#.4x, delay = %d\n",
__echoit, __rawmode, _cursesi_screen->nl, win->flags, win->delay);
#endif
if (_cursesi_screen->resized) {
_cursesi_screen->resized = 0;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch returning KEY_RESIZE\n");
#endif
return KEY_RESIZE;
}
if (_cursesi_screen->unget_pos) {
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch returning char at %d\n",
_cursesi_screen->unget_pos);
#endif
_cursesi_screen->unget_pos--;
c = _cursesi_screen->unget_list[_cursesi_screen->unget_pos];
if (__echoit)
waddch(win, (chtype) c);
return c;
}
if (__echoit && !__rawmode) {
cbreak();
weset = 1;
} else
weset = 0;
__save_termios();
if (win->flags & __KEYPAD) {
switch (win->delay)
{
case -1:
inp = inkey (win->flags & __NOTIMEOUT ? 0 : 1, 0);
break;
case 0:
if (__nodelay() == ERR)
return ERR;
inp = inkey(0, 0);
break;
default:
inp = inkey(win->flags & __NOTIMEOUT ? 0 : 1, win->delay);
break;
}
} else {
switch (win->delay)
{
case -1:
if (__delay() == ERR)
return ERR;
break;
case 0:
if (__nodelay() == ERR)
return ERR;
break;
default:
if (__timeout(win->delay) == ERR)
return ERR;
break;
}
c = fgetc(infd);
if (feof(infd)) {
clearerr(infd);
__restore_termios();
return ERR; /* we have timed out */
}
if (ferror(infd)) {
clearerr(infd);
inp = ERR;
} else {
inp = c;
}
}
#ifdef DEBUG
if (inp > 255)
/* we have a key symbol - treat it differently */
/* XXXX perhaps __unctrl should be expanded to include
* XXXX the keysyms in the table....
*/
__CTRACE(__CTRACE_INPUT, "wgetch assembled keysym 0x%x\n", inp);
else
__CTRACE(__CTRACE_INPUT, "wgetch got '%s'\n", unctrl(inp));
#endif
if (win->delay > -1) {
if (__delay() == ERR)
return ERR;
}
__restore_termios();
if ((__echoit) && (inp < KEY_MIN))
waddch(win, (chtype) inp);
if (weset)
nocbreak();
if (_cursesi_screen->nl && inp == 13)
inp = 10;
return ((inp < 0) || (inp == ERR) ? ERR : inp);
}
