other-sgr.sh revision 4419d26b 
1#!/bin/sh
2# $XTermId: other-sgr.sh,v 1.7 2022/02/13 14:36:10 tom Exp $
3# -----------------------------------------------------------------------------
4# this file is part of xterm
5#
6# Copyright 2018-2021,2022 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 $TMP
57
58trap '$CMD $OPT "${CSI}0m"; exit 1' 1 2 3 15
59trap '$CMD $OPT "${CSI}0m"' 0
60
61echo "${CSI}0m"
62while true
63do
64    # blink(5) and conceal(8) are omitted because they are distracting, but the
65    # case-statement handles those if the for-statement includes them.
66    for GRP in 0 1 4 7
67    do
68	case $GRP in
69	0) attr="normal  ";;
70	1) attr="bold    ";;
71	4) attr="under   ";;
72	5) attr="blink   ";;
73	7) attr="reverse ";;
74	8) attr="conceal ";;
75	esac
76	for NUL in "0" "21"
77	do
78	    for ROW in $NUL "2" "3" "9" "2;3" "2;9" "3;9" "2;3;9"
79	    do
80		case $ROW in
81		"0")     rlabel="normal  ";;
82		"21")    rlabel="double  ";;
83		"2")     rlabel="dim     ";;
84		"3")     rlabel="italic  ";;
85		"2;3")   rlabel="di/it   ";;
86		"9")     rlabel="crossout";;
87		"2;9")   rlabel="di/cr   ";;
88		"3;9")   rlabel="it/cr   ";;
89		"2;3;9") rlabel="di/it/cr";;
90		*)       rlabel="UNKNOWN ";;
91		esac
92		# video attributes from the first two columns intentionally
93		# "bleed through" to the other columns to help show some of
94		# the possible combinations of attributes.
95		$CMD $OPT "$GRP:${CSI}${GRP}m$attr${SUF}"
96		$CMD $OPT "${CSI}${ROW}m$rlabel${SUF}"
97		for COL in $NUL "3" "9" "2;3" "2;9" "3;9" "2;3;9"
98		do
99		    END=""
100		    case $COL in
101		    "0")     clabel="normal  ";;
102		    "21")    clabel="double  "; END="${CSI}24m";;
103		    "2")     clabel="dim     "; END="${CSI}22m";;
104		    "3")     clabel="italic  "; END="${CSI}23m";;
105		    "2;3")   clabel="di/it   "; END="${CSI}22;23m";;
106		    "9")     clabel="crossout"; END="${CSI}29m";;
107		    "2;9")   clabel="di/cr   "; END="${CSI}22;29m";;
108		    "3;9")   clabel="it/cr   "; END="${CSI}23;29m";;
109		    "2;3;9") clabel="di/it/cr"; END="${CSI}23;29m";;
110		    *)       clabel="UNKNOWN ";;
111		    esac
112		    # The remaining columns (try to) reset their respective
113		    # attribute, to make the result somewhat readable.
114		    $CMD $OPT "${CSI}${COL}m$clabel${END}${SUF}"
115		done
116		echo "${CSI}0m:$GRP"
117	    done
118	done
119	[ -t 1 ] && sleep 3
120    done
121    [ -t 1 ] || break
122done
123