void
startup(void)
{
char *term;
char *tptr;
char *tbufptr, *pc;
tptr = (char *) alloc(1024);
tbufptr = tbuf;
if(!(term = getenv("TERM")))
error("Can't get TERM.");
if(!strncmp(term, "5620", 4))
flags.nonull = 1; /* this should be a termcap flag */
if(tgetent(tptr, term) < 1)
error("Unknown terminal type: %s.", term);
if ((pc = tgetstr("pc", &tbufptr)))
PC = *pc;
if(!(BC = tgetstr("le", &tbufptr))) {
if(!tgetflag("bs"))
error("Terminal must backspace.");
BC = tbufptr;
tbufptr += 2;
*BC = '\b';
}
HO = tgetstr("ho", &tbufptr);
CO = tgetnum("co");
LI = tgetnum("li");
if(CO < COLNO || LI < ROWNO+2)
setclipped();
if(!(CL = tgetstr("cl", &tbufptr)))
error("Hack needs CL.");
ND = tgetstr("nd", &tbufptr);
if(tgetflag("os"))
error("Hack can't have OS.");
CE = tgetstr("ce", &tbufptr);
UP = tgetstr("up", &tbufptr);
/* It seems that xd is no longer supported, and we should use
a linefeed instead; unfortunately this requires resetting
CRMOD, and many output routines will have to be modified
slightly. Let's leave that till the next release. */
XD = tgetstr("xd", &tbufptr);
/* not: XD = tgetstr("do", &tbufptr); */
if(!(CM = tgetstr("cm", &tbufptr))) {
if(!UP && !HO)
error("Hack needs CM or UP or HO.");
printf("Playing hack on terminals without cm is suspect...\n");
getret();
}
SO = tgetstr("so", &tbufptr);
SE = tgetstr("se", &tbufptr);
SG = tgetnum("sg"); /* -1: not fnd; else # of spaces left by so */
if(!SO || !SE || (SG > 0)) SO = SE = 0;
CD = tgetstr("cd", &tbufptr);
set_whole_screen(); /* uses LI and CD */
if(tbufptr-tbuf > sizeof(tbuf)) error("TERMCAP entry too big...\n");
free(tptr);
}
static void
winch()
{
int oldLI = LI, oldCO = CO, i;
register struct WinDesc *cw;
getwindowsz();
if((oldLI != LI || oldCO != CO) && ttyDisplay) {
ttyDisplay->rows = LI;
ttyDisplay->cols = CO;
cw = wins[BASE_WINDOW];
cw->rows = ttyDisplay->rows;
cw->cols = ttyDisplay->cols;
if(flags.window_inited) {
cw = wins[WIN_MESSAGE];
cw->curx = cw->cury = 0;
tty_destroy_nhwindow(WIN_STATUS);
WIN_STATUS = tty_create_nhwindow(NHW_STATUS);
if(u.ux) {
#ifdef CLIPPING
if(CO < COLNO || LI < ROWNO+3) {
setclipped();
tty_cliparound(u.ux, u.uy);
} else {
clipping = FALSE;
clipx = clipy = 0;
}
#endif
i = ttyDisplay->toplin;
ttyDisplay->toplin = 0;
docrt();
bot();
ttyDisplay->toplin = i;
flush_screen(1);
if(i) {
addtopl(toplines);
} else
for(i=WIN_INVEN; i < MAXWIN; i++)
if(wins[i] && wins[i]->active) {
/* cop-out */
addtopl("Press Return to continue: ");
break;
}
(void) fflush(stdout);
if(i < 2) flush_screen(1);
}
}
}
}
