other-sgr.sh revision ad37e533 
1#!/bin/sh
2# $XTermId: other-sgr.sh,v 1.6 2021/03/03 01:16:53 tom Exp $
3# -----------------------------------------------------------------------------
4# this file is part of xterm
5#
6# Copyright 2018,2021 by Thomas E. Dickey
7#
8#                         All Rights Reserved
9#
10# Permission is hereby granted, free of charge, to any person obtaining a
11# copy of this software and associated documentation files (the
12# "Software"), to deal in the Software without restriction, including
13# without limitation the rights to use, copy, modify, merge, publish,
14# distribute, sublicense, and/or sell copies of the Software, and to
15# permit persons to whom the Software is furnished to do so, subject to
16# the following conditions:
17#
18# The above copyright notice and this permission notice shall be included
19# in all copies or substantial portions of the Software.
20#
21# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
25# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28#
29# Except as contained in this notice, the name(s) of the above copyright
30# holders shall not be used in advertising or otherwise to promote the
31# sale, use or other dealings in this Software without prior written
32# authorization.
33# -----------------------------------------------------------------------------
34# Show non-VTxx SGRs combined with the conventional VT100/VT220 SGRs
35
36ESC=""
37CSI="${ESC}["
38CMD='/bin/echo'
39OPT='-n'
40SUF=''
41TMP=`(mktemp) 2>/dev/null` || TMP=/tmp/xterm$$
42eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
43{ test ! -f $TMP || test -s $TMP; } &&
44for verb in "printf" "print" ; do
45    rm -f $TMP
46    eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
47    if test -f $TMP ; then
48	if test ! -s $TMP ; then
49	    CMD="$verb"
50	    OPT=
51	    SUF='\c'
52	    break
53	fi
54    fi
55done
56rm -f $TMP
57
58if ( trap "echo exit" EXIT 2>/dev/null ) >/dev/null
59then
60    trap '$CMD $OPT "${CSI}0m"; exit' EXIT HUP INT QUIT TERM
61else
62    trap '$CMD $OPT "${CSI}0m"; exit' 0    1   2   3    15
63fi
64
65echo "${CSI}0m"
66while true
67do
68    # blink(5) and conceal(8) are omitted because they are distracting, but the
69    # case-statement handles those if the for-statement includes them.
70    for GRP in 0 1 4 7
71    do
72	case $GRP in
73	0) attr="normal  ";;
74	1) attr="bold    ";;
75	4) attr="under   ";;
76	5) attr="blink   ";;
77	7) attr="reverse ";;
78	8) attr="conceal ";;
79	esac
80	for NUL in "0" "21"
81	do
82	    for ROW in $NUL "2" "3" "9" "2;3" "2;9" "3;9" "2;3;9"
83	    do
84		case $ROW in
85		"0")     rlabel="normal  ";;
86		"21")    rlabel="double  ";;
87		"2")     rlabel="dim     ";;
88		"3")     rlabel="italic  ";;
89		"2;3")   rlabel="di/it   ";;
90		"9")     rlabel="crossout";;
91		"2;9")   rlabel="di/cr   ";;
92		"3;9")   rlabel="it/cr   ";;
93		"2;3;9") rlabel="di/it/cr";;
94		*)       rlabel="UNKNOWN ";;
95		esac
96		# video attributes from the first two columns intentionally
97		# "bleed through" to the other columns to help show some of
98		# the possible combinations of attributes.
99		$CMD $OPT "$GRP:${CSI}${GRP}m$attr${SUF}"
100		$CMD $OPT "${CSI}${ROW}m$rlabel${SUF}"
101		for COL in $NUL "3" "9" "2;3" "2;9" "3;9" "2;3;9"
102		do
103		    END=""
104		    case $COL in
105		    "0")     clabel="normal  ";;
106		    "21")    clabel="double  "; END="${CSI}24m";;
107		    "2")     clabel="dim     "; END="${CSI}22m";;
108		    "3")     clabel="italic  "; END="${CSI}23m";;
109		    "2;3")   clabel="di/it   "; END="${CSI}22;23m";;
110		    "9")     clabel="crossout"; END="${CSI}29m";;
111		    "2;9")   clabel="di/cr   "; END="${CSI}22;29m";;
112		    "3;9")   clabel="it/cr   "; END="${CSI}23;29m";;
113		    "2;3;9") clabel="di/it/cr"; END="${CSI}23;29m";;
114		    *)       clabel="UNKNOWN ";;
115		    esac
116		    # The remaining columns (try to) reset their respective
117		    # attribute, to make the result somewhat readable.
118		    $CMD $OPT "${CSI}${COL}m$clabel${END}${SUF}"
119		done
120		echo "${CSI}0m:$GRP"
121	    done
122	done
123	[ -t 1 ] && sleep 3
124    done
125    [ -t 1 ] || break
126done
127