159 lines
4.4 KiB
Perl
159 lines
4.4 KiB
Perl
#!/usr/bin/env perl
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# $XTermId: query-fonts.pl,v 1.8 2019/05/19 08:57:31 tom Exp $
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# -----------------------------------------------------------------------------
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# this file is part of xterm
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#
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# Copyright 2010-2018,2019 by Thomas E. Dickey
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#
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name(s) of the above copyright
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# holders shall not be used in advertising or otherwise to promote the
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# sale, use or other dealings in this Software without prior written
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# authorization.
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# -----------------------------------------------------------------------------
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# Test the font-query features of xterm.
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# TODO:
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# test relative vs absolute font numbering
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# test all font-slots
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# test selection
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# test bold / wide / widebold
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# test actual fontname vs nominal
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# extend "CSI > Ps; Ps T" to query fontname in hex
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use strict;
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use warnings;
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use Getopt::Std;
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use IO::Handle;
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our ( $opt_a, $opt_r, $opt_s );
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$Getopt::Std::STANDARD_HELP_VERSION = 1;
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&getopts('ars') || die(
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"Usage: $0 [options]\n
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Options:\n
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-a test using absolute numbers
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-r test using relative numbers
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-s use ^G rather than ST
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"
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);
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our $ST = $opt_s ? "\007" : "\x1b\\";
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sub get_reply($) {
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open TTY, "+</dev/tty" or die("Cannot open /dev/tty\n");
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autoflush TTY 1;
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my $old = `stty -g`;
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system "stty raw -echo min 0 time 5";
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print TTY @_;
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my $reply = <TTY>;
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close TTY;
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system "stty $old";
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if ( defined $reply ) {
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die("^C received\n") if ( "$reply" eq "\003" );
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}
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return $reply;
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}
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sub query_font($) {
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my $param = $_[0];
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my $reply;
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my $n;
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my $st = $opt_s ? qr/\007/ : qr/\x1b\\/;
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my $osc = qr/\x1b]50/;
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my $match = qr/${osc}.*${st}/;
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$reply = get_reply( "\x1b]50;?" . $param . $ST );
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printf "query{%s}%*s", $param, 3 - length($param), " ";
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if ( defined $reply ) {
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printf "%2d ", length($reply);
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if ( $reply =~ /${match}/ ) {
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$reply =~ s/^${osc}//;
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$reply =~ s/^;//;
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$reply =~ s/${st}$//;
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}
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else {
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printf "? ";
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}
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my $result = "";
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for ( $n = 0 ; $n < length($reply) ; ) {
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my $c = substr( $reply, $n, 1 );
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if ( $c =~ /[[:print:]]/ ) {
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$result .= $c;
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}
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else {
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my $k = ord substr( $reply, $n, 1 );
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if ( ord $k == 0x1b ) {
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$result .= "\\E";
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}
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elsif ( $k == 0x7f ) {
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$result .= "^?";
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}
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elsif ( $k == 32 ) {
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$result .= "\\s";
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}
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elsif ( $k < 32 ) {
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$result .= sprintf( "^%c", $k + 64 );
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}
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elsif ( $k > 128 ) {
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$result .= sprintf( "\\%03o", $k );
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}
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else {
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$result .= chr($k);
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}
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}
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$n += 1;
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}
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printf "{%s}", $result;
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}
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printf "\n";
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}
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if ($opt_r) {
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my $n;
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query_font("-");
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foreach $n ( 0 .. 5 ) {
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query_font( sprintf "-%d", $n );
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}
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query_font("+");
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foreach $n ( 0 .. 5 ) {
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query_font( sprintf "+%d", $n );
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}
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}
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if ($opt_a) {
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my $n;
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foreach $n ( 0 .. 5 ) {
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query_font( sprintf "%d", $n );
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}
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}
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if ( not $opt_a and not $opt_r ) {
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query_font("");
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}
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