70 lines
1.9 KiB
Perl
Executable file
70 lines
1.9 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# Copyright 2014 Marcelo Cerri <mhcerri at gmail dot com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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use strict;
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use warnings;
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use utf8;
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use Getopt::Long;
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use File::Basename;
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# Default values
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my $indicator = $ENV{BLOCK_INSTANCE} || "CAPS";
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my $color_on = "#99cc99";
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my $color_off = "#515151";
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sub help {
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my $program = basename($0);
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printf "Usage: %s [-c <color on>] [-C <color off>]\n", $program;
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printf " -c <color on>: hex color to use when indicator is on\n";
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printf " -C <color off>: hex color to use when indicator is off\n";
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printf "\n";
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printf "Note: environment variable \$BLOCK_INSTANCE should be one of:\n";
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printf " CAPS, NUM (default is CAPS).\n";
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exit 0;
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}
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Getopt::Long::config qw(no_ignore_case);
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GetOptions("help|h" => \&help,
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"c=s" => \$color_on,
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"C=s" => \$color_off) or exit 1;
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# Key mapping
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my %indicators = (
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CAPS => 0x00000001,
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NUM => 0x00000002,
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);
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# Retrieve key flags
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my $mask = 0;
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open(XSET, "xset -q |") or die;
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while (<XSET>) {
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if (/LED mask:\s*([0-9]+)/) {
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$mask = $1;
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last;
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}
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}
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close(XSET);
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my $indi = "N";
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# Output
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if (($indicators{$indicator} || 0) & $mask) {
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printf "<span foreground=\"%s\">█</span>", $color_on;
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} else {
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printf "<span foreground=\"%s\">█</span>", $color_off;
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}
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exit 0
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