/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* Copyright (c) 1981 Regents of the University of California */ #ifndef _EX_TTY_H #define _EX_TTY_H #ifdef __cplusplus extern "C" { #endif /* * Capabilities from termcap * * The description of terminals is a difficult business, and we only * attempt to summarize the capabilities here; for a full description * see the paper describing termcap. * * Capabilities from termcap are of three kinds - string valued options, * numeric valued options, and boolean options. The string valued options * are the most complicated, since they may include padding information, * which we describe now. * * Intelligent terminals often require padding on intelligent operations * at high (and sometimes even low) speed. This is specified by * a number before the string in the capability, and has meaning for the * capabilities which have a P at the front of their comment. * This normally is a number of milliseconds to pad the operation. * In the current system which has no true programmable delays, we * do this by sending a sequence of pad characters (normally nulls, but * specifiable as "pc"). In some cases, the pad is better computed * as some number of milliseconds times the number of affected lines * (to bottom of screen usually, except when terminals have insert modes * which will shift several lines.) This is specified as '12*' e.g. * before the capability to say 12 milliseconds per affected whatever * (currently always line). Capabilities where this makes sense say P*. */ /* * From the tty modes... */ var bool NONL; /* Terminal can't hack linefeeds doing a CR */ var bool UPPERCASE; var short OCOLUMNS; /* Save columns for a hack in open mode */ var short outcol; /* Where the cursor is */ var short outline; var short destcol; /* Where the cursor should be */ var short destline; /* * There are several kinds of tty drivers to contend with. These include: * (1) V6: no CBREAK, no ioctl. (Include PWB V1 here). * [NO LONGER SUPPORTED] * (2) V7 research: has CBREAK, has ioctl, and has the tchars (TIOCSETC) * business to change start, stop, etc. chars. * (3) USG V2: Basically like V6 but RAW mode is like V7 RAW. * [NO LONGER SUPPORTED] * (4) USG V3: equivalent to V7 but totally incompatible. * (5) Berkeley 4BSD: has ltchars in addition to all of V7. * * The following attempts to decide what we are on, and declare * some variables in the appropriate format. The wierd looking one (ttymode) * is the thing we pass to sTTY and family to turn "RAW" mode on or off * when we go into or out of visual mode. In V7/4BSD it's just the flags word * to stty. In USG V3 it's the whole tty structure. */ #ifdef USG /* USG V3 */ var struct termios tty; /* Use this one structure to change modes */ typedef struct termios ttymode; /* Mode to contain tty flags */ #else /* All others */ var struct sgttyb tty; /* Always stty/gtty using this one structure */ typedef int ttymode; /* Mode to contain tty flags */ #ifdef TIOCSETC /* V7 */ var struct tchars ottyc, nttyc; /* For V7 character masking */ #endif #ifdef TIOCLGET /* Berkeley 4BSD */ var struct ltchars olttyc, nlttyc; /* More of tchars style stuff */ #endif #endif var ttymode normf; /* Restore tty flags to this (someday) */ var bool normtty; /* Have to restore normal mode from normf */ ttymode ostart(), setty(), unixex(); void putpad(unsigned char *cp); void pstart(void); void pstop(void); void tostart(void); void ttcharoff(void); void tostop(void); void normal(ttymode); void sTTY(int); var short costCM; /* # chars to output a typical cursor_address, with padding etc. */ var short costSR; /* likewise for scroll reverse */ var short costAL; /* likewise for insert line */ var short costDP; /* likewise for parm_down_cursor */ var short costLP; /* likewise for parm_left_cursor */ var short costRP; /* likewise for parm_right_cursor */ var short costCE; /* likewise for clear to end of line */ var short costCD; /* likewise for clear to end of display */ #ifdef VMUNIX #define MAXNOMACS 128 /* max number of macros of each kind */ #define MAXCHARMACS 2048 /* max # of chars total in macros */ #else #define MAXNOMACS 32 /* max number of macros of each kind */ #define MAXCHARMACS 512 /* max # of chars total in macros */ #endif struct maps { unsigned char *cap; /* pressing button that sends this.. */ unsigned char *mapto; /* .. maps to this string */ unsigned char *descr; /* legible description of key */ }; void kpadd(struct maps *, unsigned char *, unsigned char *, unsigned char *); var struct maps arrows[MAXNOMACS]; /* macro defs - 1st 5 built in */ var struct maps immacs[MAXNOMACS]; /* for while in insert mode */ var struct maps abbrevs[MAXNOMACS]; /* for word abbreviations */ var int abbrepcnt; /* Repeating an abbreviation */ var int ldisc; /* line discipline for ucb tty driver */ var unsigned char mapspace[MAXCHARMACS]; var unsigned char *msnext; /* next free location in mapspace */ var int maphopcnt; /* check for infinite mapping loops */ var bool anyabbrs; /* true if abbr or unabbr has been done */ var unsigned char ttynbuf[20]; /* result of ttyname() */ var int ttymesg; /* original mode of users tty */ #ifdef XPG4 /* * For POSIX.2, we need to make $LINES and $COLUMNS override whatever the * system thinks are the appropriate real values. The points of support * for this feature lie scattered about in the fossil record, so we * expose them to the World. */ var int envlines; var int envcolumns; var int oldlines; var int oldcolumns; #endif /* XPG4 */ #ifdef __cplusplus } #endif #endif /* _EX_TTY_H */
