310 lines
6.6 KiB
C
310 lines
6.6 KiB
C
/*-
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* Copyright (c) 1995, 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)cl_bsd.c 8.25 (Berkeley) 4/30/96";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/time.h>
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#include <bitstring.h>
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#include <ctype.h>
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#include <curses.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "../common/common.h"
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#include "../vi/vi.h"
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#include "cl.h"
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static char *ke; /* Keypad on. */
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static char *ks; /* Keypad off. */
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static char *vb; /* Visible bell string. */
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/*
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* HP's support the entire System V curses package except for the tigetstr
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* and tigetnum functions. Ultrix supports the BSD curses package except
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* for the idlok function. Cthulu only knows why. Break things up into a
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* minimal set of functions.
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*/
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#ifndef HAVE_CURSES_ADDNSTR
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/*
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* addnstr --
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*
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* PUBLIC: #ifndef HAVE_CURSES_ADDNSTR
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* PUBLIC: int addnstr __P((char *, int));
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* PUBLIC: #endif
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*/
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int
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addnstr(s, n)
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char *s;
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int n;
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{
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int ch;
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while (n-- && (ch = *s++))
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addch(ch);
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return (OK);
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}
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#endif
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#ifndef HAVE_CURSES_BEEP
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/*
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* beep --
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*
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* PUBLIC: #ifndef HAVE_CURSES_BEEP
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* PUBLIC: void beep __P((void));
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* PUBLIC: #endif
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*/
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void
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beep()
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{
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(void)write(1, "\007", 1); /* '\a' */
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}
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#endif /* !HAVE_CURSES_BEEP */
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#ifndef HAVE_CURSES_FLASH
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/*
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* flash --
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* Flash the screen.
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*
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* PUBLIC: #ifndef HAVE_CURSES_FLASH
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* PUBLIC: void flash __P((void));
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* PUBLIC: #endif
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*/
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void
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flash()
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{
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if (vb != NULL) {
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(void)tputs(vb, 1, cl_putchar);
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(void)fflush(stdout);
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} else
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beep();
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}
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#endif /* !HAVE_CURSES_FLASH */
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#ifndef HAVE_CURSES_IDLOK
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/*
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* idlok --
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* Turn on/off hardware line insert/delete.
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*
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* PUBLIC: #ifndef HAVE_CURSES_IDLOK
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* PUBLIC: void idlok __P((WINDOW *, int));
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* PUBLIC: #endif
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*/
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void
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idlok(win, bf)
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WINDOW *win;
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int bf;
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{
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return;
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}
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#endif /* !HAVE_CURSES_IDLOK */
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#ifndef HAVE_CURSES_KEYPAD
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/*
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* keypad --
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* Put the keypad/cursor arrows into or out of application mode.
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*
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* PUBLIC: #ifndef HAVE_CURSES_KEYPAD
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* PUBLIC: int keypad __P((void *, int));
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* PUBLIC: #endif
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*/
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int
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keypad(a, on)
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void *a;
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int on;
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{
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char *p;
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if ((p = tigetstr(on ? "smkx" : "rmkx")) != (char *)-1) {
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(void)tputs(p, 0, cl_putchar);
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(void)fflush(stdout);
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}
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return (0);
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}
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#endif /* !HAVE_CURSES_KEYPAD */
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#ifndef HAVE_CURSES_NEWTERM
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/*
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* newterm --
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* Create a new curses screen.
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*
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* PUBLIC: #ifndef HAVE_CURSES_NEWTERM
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* PUBLIC: void *newterm __P((const char *, FILE *, FILE *));
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* PUBLIC: #endif
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*/
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void *
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newterm(a, b, c)
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const char *a;
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FILE *b, *c;
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{
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return (initscr());
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}
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#endif /* !HAVE_CURSES_NEWTERM */
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#ifndef HAVE_CURSES_SETUPTERM
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/*
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* setupterm --
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* Set up terminal.
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*
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* PUBLIC: #ifndef HAVE_CURSES_SETUPTERM
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* PUBLIC: void setupterm __P((char *, int, int *));
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* PUBLIC: #endif
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*/
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void
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setupterm(ttype, fno, errp)
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char *ttype;
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int fno, *errp;
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{
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static char buf[2048];
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char *p;
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if ((*errp = tgetent(buf, ttype)) > 0) {
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if (ke != NULL)
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free(ke);
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ke = ((p = tigetstr("rmkx")) == (char *)-1) ? NULL : strdup(p);
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if (ks != NULL)
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free(ks);
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ks = ((p = tigetstr("smkx")) == (char *)-1) ? NULL : strdup(p);
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if (vb != NULL)
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free(vb);
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vb = ((p = tigetstr("flash")) == (char *)-1) ? NULL : strdup(p);
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}
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}
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#endif /* !HAVE_CURSES_SETUPTERM */
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#ifndef HAVE_CURSES_TIGETSTR
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/* Terminfo-to-termcap translation table. */
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typedef struct _tl {
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char *terminfo; /* Terminfo name. */
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char *termcap; /* Termcap name. */
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} TL;
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static const TL list[] = {
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"cols", "co", /* Terminal columns. */
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"cup", "cm", /* Cursor up. */
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"cuu1", "up", /* Cursor up. */
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"el", "ce", /* Clear to end-of-line. */
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"flash", "vb", /* Visible bell. */
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"kcub1", "kl", /* Cursor left. */
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"kcud1", "kd", /* Cursor down. */
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"kcuf1", "kr", /* Cursor right. */
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"kcuu1", "ku", /* Cursor up. */
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"kdch1", "kD", /* Delete character. */
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"kdl1", "kL", /* Delete line. */
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"ked", "kS", /* Delete to end of screen. */
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"kel", "kE", /* Delete to eol. */
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"khome", "kh", /* Go to sol. */
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"kich1", "kI", /* Insert at cursor. */
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"kil1", "kA", /* Insert line. */
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"kind", "kF", /* Scroll down. */
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"kll", "kH", /* Go to eol. */
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"knp", "kN", /* Page down. */
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"kpp", "kP", /* Page up. */
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"kri", "kR", /* Scroll up. */
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"lines", "li", /* Terminal lines. */
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"rmcup", "te", /* Terminal end string. */
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"rmkx", "ke", /* Exit "keypad-transmit" mode. */
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"rmso", "se", /* Standout end. */
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"smcup", "ti", /* Terminal initialization string. */
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"smkx", "ks", /* Enter "keypad-transmit" mode. */
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"smso", "so", /* Standout begin. */
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};
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/*
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* !!!
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* Historically, the 4BSD termcap code didn't support functions keys greater
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* than 9. This was silently enforced -- asking for key k12 would return the
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* value for k1. We try and get around this by using the tables specified in
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* the terminfo(TI_ENV) man page from the 3rd Edition SVID. This assumes the
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* implementors of any System V compatibility code or an extended termcap used
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* those codes.
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*/
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static const char codes[] = {
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/* 0-10 */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';',
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/* 11-19 */ '1', '2', '3', '4', '5', '6', '7', '8', '9',
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/* 20-63 */ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
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'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
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'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
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};
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/*
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* lcmp --
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* list comparison routine for bsearch.
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*/
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static int
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lcmp(a, b)
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const void *a, *b;
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{
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return (strcmp(a, ((TL *)b)->terminfo));
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}
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/*
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* tigetstr --
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*
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* PUBLIC: #ifndef HAVE_CURSES_TIGETSTR
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* PUBLIC: char *tigetstr __P((char *));
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* PUBLIC: #endif
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*/
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char *
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tigetstr(name)
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char *name;
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{
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static char sbuf[256];
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TL *tlp;
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int n;
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char *p, keyname[3];
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if ((tlp = bsearch(name,
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list, sizeof(list) / sizeof(TL), sizeof(TL), lcmp)) == NULL) {
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if (name[0] == 'k' &&
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name[1] == 'f' && (n = atoi(name + 2)) <= 63) {
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keyname[0] = n <= 10 ? 'k' : 'F';
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keyname[1] = codes[n];
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keyname[2] = '\0';
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name = keyname;
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}
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} else
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name = tlp->termcap;
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p = sbuf;
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return (tgetstr(name, &p) == NULL ? (char *)-1 : sbuf);
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}
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/*
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* tigetnum --
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*
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* PUBLIC: #ifndef HAVE_CURSES_TIGETSTR
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* PUBLIC: int tigetnum __P((char *));
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* PUBLIC: #endif
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*/
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int
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tigetnum(name)
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char *name;
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{
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TL *tlp;
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int val;
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if ((tlp = bsearch(name,
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list, sizeof(list) / sizeof(TL), sizeof(TL), lcmp)) != NULL) {
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name = tlp->termcap;
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}
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return ((val = tgetnum(name)) == -1 ? -2 : val);
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}
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#endif /* !HAVE_CURSES_TIGETSTR */
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