other-sgr.sh revision f2e35a3a 
1#!/bin/sh
2# $XTermId: other-sgr.sh,v 1.1 2018/09/12 22:45:06 tom Exp $
3# -----------------------------------------------------------------------------
4# this file is part of xterm
5#
6# Copyright 2018 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=""
37CMD='/bin/echo'
38OPT='-n'
39SUF=''
40TMP=/tmp/xterm$$
41eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
42( test ! -f $TMP || test -s $TMP ) &&
43for verb in printf print ; do
44    rm -f $TMP
45    eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
46    if test -f $TMP ; then
47	if test ! -s $TMP ; then
48	    CMD="$verb"
49	    OPT=
50	    SUF='\c'
51	    break
52	fi
53    fi
54done
55rm -f $TMP
56
57if ( trap "echo exit" EXIT 2>/dev/null ) >/dev/null
58then
59    trap '$CMD $OPT "[0m"; exit' EXIT HUP INT TRAP TERM
60else
61    trap '$CMD $OPT "[0m"; exit' 0    1   2   5    15
62fi
63
64echo "[0m"
65while true
66do
67    # blink(5) and conceal(8) are omitted because they are distracting, but the
68    # case-statement handles those if the for-statement includes them.
69    for GRP in 0 1 4 7
70    do
71	case $GRP in
72	0) attr="normal  ";;
73	1) attr="bold    ";;
74	4) attr="under   ";;
75	5) attr="blink   ";;
76	7) attr="reverse ";;
77	8) attr="conceal ";;
78	esac
79	for NUL in "0" "21"
80	do
81	    for ROW in $NUL "2" "3" "9" "2;3" "2;9" "3;9" "2;3;9"
82	    do
83		case $ROW in
84		"0")     rlabel="normal  ";;
85		"21")    rlabel="double  ";;
86		"2")     rlabel="dim     ";;
87		"3")     rlabel="italic  ";;
88		"2;3")   rlabel="di/it   ";;
89		"9")     rlabel="crossout";;
90		"2;9")   rlabel="di/cr   ";;
91		"3;9")   rlabel="it/cr   ";;
92		"2;3;9") rlabel="di/it/cr";;
93		*)       rlabel="UNKNOWN ";;
94		esac
95		# video attributes from the first two columns intentionally
96		# "bleed through" to the other columns to help show some of
97		# the possible combinations of attributes.
98		$CMD $OPT "$GRP:[${GRP}m$attr"
99		$CMD $OPT "[${ROW}m$rlabel"
100		for COL in $NUL "3" "9" "2;3" "2;9" "3;9" "2;3;9"
101		do
102		    END=""
103		    case $COL in
104		    "0")     clabel="normal  ";;
105		    "21")    clabel="double  "; END="[24m";;
106		    "2")     clabel="dim     "; END="[22m";;
107		    "3")     clabel="italic  "; END="[23m";;
108		    "2;3")   clabel="di/it   "; END="[22;23m";;
109		    "9")     clabel="crossout"; END="[29m";;
110		    "2;9")   clabel="di/cr   "; END="[22;29m";;
111		    "3;9")   clabel="it/cr   "; END="[23;29m";;
112		    "2;3;9") clabel="di/it/cr"; END="[23;29m";;
113		    *)       clabel="UNKNOWN ";;
114		    esac
115		    # The remaining columns (try to) reset their respective
116		    # attribute, to make the result somewhat readable.
117		    $CMD $OPT "[${COL}m$clabel${END}"
118		done
119		echo "[0m:$GRP"
120	    done
121	done
122	[ -t 1 ] && sleep 3
123    done
124    [ -t 1 ] || break
125done
126