turn off ^\ and unctrl the new termcap entry.

[unix-history] / usr / src / usr.bin / window / wwinit.c

#ifndef lint
static  char *sccsid = "@(#)wwinit.c    1.7 83/07/29";
#endif

#include "ww.h"

struct ww_tty wwoldtty;
struct ww_tty wwnewtty = {
       { 0, 0, -1, -1, 0 },
       { -1, -1, -1, -1, -1, -1 },
       { -1, -1, -1, -1, -1, -1 },
       0, 0, 0
};
int _wwdtablesize;
char _wwtermcap[1024];
char _wwkeys[512];
static char *kp = _wwkeys;
int wwncol, wwnrow;

wwinit()
{
       static char done = 0;
       int kn;

       if (done)
               return 0;
       done++;
       _wwdtablesize = getdtablesize();
       if (wwgettty(0, &wwoldtty) < 0)
               return -1;
       wwnewtty.ww_sgttyb.sg_flags = wwoldtty.ww_sgttyb.sg_flags;
       wwnewtty.ww_sgttyb.sg_ispeed = wwoldtty.ww_sgttyb.sg_ispeed;
       wwnewtty.ww_sgttyb.sg_ospeed = wwoldtty.ww_sgttyb.sg_ospeed;
       wwnewtty.ww_lmode = wwoldtty.ww_lmode;
       wwnewtty.ww_pgrp = wwoldtty.ww_pgrp;
       wwnewtty.ww_ldisc = wwoldtty.ww_ldisc;
       wwnewtty.ww_sgttyb.sg_flags |= CBREAK;
       wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD);
       wwnewtty.ww_lmode |= LLITOUT;
       if (wwsettty(0, &wwnewtty) < 0)
               return -1;
       if (Winit(2, 1) != 0)
               return -1;
       WSetRealCursor = 1;
       Wscreensize(&wwnrow, &wwncol);

       if (tgetent(_wwtermcap, getenv("TERM")) != 1)
               return -1;
       addcap("kb");
       addcap("ku");
       addcap("kd");
       addcap("kl");
       addcap("kr");
       addcap("kh");
       if ((kn = tgetnum("kn")) >= 0) {
               char cap[5];
               int i;

               sprintf(kp, "kn#%d:", kn);
               for (; *kp; kp++)
                       ;
               for (i = 1; i <= kn; i++) {
                       sprintf(cap, "k%d", i);
                       addcap(cap);
                       cap[0] = 'l';
                       addcap(cap);
               }
       }
       return 0;
}

addcap(cap)
register char *cap;
{
       static char tbuf[512];
       static char *tp = tbuf;
       register char *str, *p;
       char *tgetstr();

       if ((str = tgetstr(cap, &tp)) != 0) {
               while (*kp++ = *cap++)
                       ;
               kp[-1] = '=';
               while (*str) {
                       for (p = unctrl(*str++); *kp++ = *p++;)
                               ;
                       kp--;
               }
               *kp++ = ':';
               *kp = 0;
       }
}