1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1995 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 31 /* Copyright (c) 1981 Regents of the University of California */ 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 /* 36 * Capabilities from termcap 37 * 38 * The description of terminals is a difficult business, and we only 39 * attempt to summarize the capabilities here; for a full description 40 * see the paper describing termcap. 41 * 42 * Capabilities from termcap are of three kinds - string valued options, 43 * numeric valued options, and boolean options. The string valued options 44 * are the most complicated, since they may include padding information, 45 * which we describe now. 46 * 47 * Intelligent terminals often require padding on intelligent operations 48 * at high (and sometimes even low) speed. This is specified by 49 * a number before the string in the capability, and has meaning for the 50 * capabilities which have a P at the front of their comment. 51 * This normally is a number of milliseconds to pad the operation. 52 * In the current system which has no true programmable delays, we 53 * do this by sending a sequence of pad characters (normally nulls, but 54 * specifiable as "pc"). In some cases, the pad is better computed 55 * as some number of milliseconds times the number of affected lines 56 * (to bottom of screen usually, except when terminals have insert modes 57 * which will shift several lines.) This is specified as '12*' e.g. 58 * before the capability to say 12 milliseconds per affected whatever 59 * (currently always line). Capabilities where this makes sense say P*. 60 */ 61 62 /* 63 * From the tty modes... 64 */ 65 var bool NONL; /* Terminal can't hack linefeeds doing a CR */ 66 var bool UPPERCASE; 67 var short OCOLUMNS; /* Save columns for a hack in open mode */ 68 69 var short outcol; /* Where the cursor is */ 70 var short outline; 71 72 var short destcol; /* Where the cursor should be */ 73 var short destline; 74 75 /* 76 * There are several kinds of tty drivers to contend with. These include: 77 * (1) V6: no CBREAK, no ioctl. (Include PWB V1 here). 78 * [NO LONGER SUPPORTED] 79 * (2) V7 research: has CBREAK, has ioctl, and has the tchars (TIOCSETC) 80 * business to change start, stop, etc. chars. 81 * (3) USG V2: Basically like V6 but RAW mode is like V7 RAW. 82 * [NO LONGER SUPPORTED] 83 * (4) USG V3: equivalent to V7 but totally incompatible. 84 * (5) Berkeley 4BSD: has ltchars in addition to all of V7. 85 * 86 * The following attempts to decide what we are on, and declare 87 * some variables in the appropriate format. The wierd looking one (ttymode) 88 * is the thing we pass to sTTY and family to turn "RAW" mode on or off 89 * when we go into or out of visual mode. In V7/4BSD it's just the flags word 90 * to stty. In USG V3 it's the whole tty structure. 91 */ 92 #ifdef USG /* USG V3 */ 93 var struct termios tty; /* Use this one structure to change modes */ 94 typedef struct termios ttymode; /* Mode to contain tty flags */ 95 96 #else /* All others */ 97 var struct sgttyb tty; /* Always stty/gtty using this one structure */ 98 typedef int ttymode; /* Mode to contain tty flags */ 99 #ifdef TIOCSETC /* V7 */ 100 var struct tchars ottyc, nttyc; /* For V7 character masking */ 101 #endif 102 #ifdef TIOCLGET /* Berkeley 4BSD */ 103 var struct ltchars olttyc, nlttyc; /* More of tchars style stuff */ 104 #endif 105 106 #endif 107 108 var ttymode normf; /* Restore tty flags to this (someday) */ 109 var bool normtty; /* Have to restore normal mode from normf */ 110 111 ttymode ostart(), setty(), unixex(); 112 113 var short costCM; /* # chars to output a typical cursor_address, with padding etc. */ 114 var short costSR; /* likewise for scroll reverse */ 115 var short costAL; /* likewise for insert line */ 116 var short costDP; /* likewise for parm_down_cursor */ 117 var short costLP; /* likewise for parm_left_cursor */ 118 var short costRP; /* likewise for parm_right_cursor */ 119 var short costCE; /* likewise for clear to end of line */ 120 var short costCD; /* likewise for clear to end of display */ 121 122 #ifdef VMUNIX 123 #define MAXNOMACS 128 /* max number of macros of each kind */ 124 #define MAXCHARMACS 2048 /* max # of chars total in macros */ 125 #else 126 #define MAXNOMACS 32 /* max number of macros of each kind */ 127 #define MAXCHARMACS 512 /* max # of chars total in macros */ 128 #endif 129 struct maps { 130 unsigned char *cap; /* pressing button that sends this.. */ 131 unsigned char *mapto; /* .. maps to this string */ 132 unsigned char *descr; /* legible description of key */ 133 }; 134 var struct maps arrows[MAXNOMACS]; /* macro defs - 1st 5 built in */ 135 var struct maps immacs[MAXNOMACS]; /* for while in insert mode */ 136 var struct maps abbrevs[MAXNOMACS]; /* for word abbreviations */ 137 var int abbrepcnt; /* Repeating an abbreviation */ 138 var int ldisc; /* line discipline for ucb tty driver */ 139 var unsigned char mapspace[MAXCHARMACS]; 140 var unsigned char *msnext; /* next free location in mapspace */ 141 var int maphopcnt; /* check for infinite mapping loops */ 142 var bool anyabbrs; /* true if abbr or unabbr has been done */ 143 var unsigned char ttynbuf[20]; /* result of ttyname() */ 144 var int ttymesg; /* original mode of users tty */ 145 146 #ifdef XPG4 147 /* 148 * For POSIX.2, we need to make $LINES and $COLUMNS override whatever the 149 * system thinks are the appropriate real values. The points of support 150 * for this feature lie scattered about in the fossil record, so we 151 * expose them to the World. 152 */ 153 154 var int envlines; 155 var int envcolumns; 156 var int oldlines; 157 var int oldcolumns; 158 #endif /* XPG4 */ 159