129 lines
3.5 KiB
Perl
Executable File
129 lines
3.5 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# fortune.pl - an example client for LCDproc
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# This is just a small example of a client for LCDd the
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# LCDproc server
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#
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# Copyright (c) 1999, William Ferrell, Scott Scriven
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# 2001, David Glaude
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# 2002, Jonathan Oxer
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# 2002, Rene Wagner <reenoo@gmx.de>
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#
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# This file 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 2 of the License, or
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# any later version.
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#
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# This file 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 file; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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#
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use IO::Socket;
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use Fcntl;
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############################################################
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# Configurable part. Set it according your setup.
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############################################################
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# Path to `fortune' program.
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$FORTUNE = "fortune";
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# Host which runs lcdproc daemon (LCDd)
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$HOST = "localhost";
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# Port on which LCDd listens to requests
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$PORT = "13666";
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############################################################
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# End of user configurable parts
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############################################################
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# Connect to the server...
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$remote = IO::Socket::INET->new(
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Proto => "tcp",
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PeerAddr => $HOST,
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PeerPort => $PORT,
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)
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|| die "Cannot connect to LCDproc port\n";
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# Make sure our messages get there right away
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$remote->autoflush(1);
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sleep 1; # Give server plenty of time to notice us...
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print $remote "hello\n";
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# Note: it's good practice to listen for a response after a print to the
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# server even if there isn't meant to be one. If you don't, you may find
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# your program crashes after running for a while when the buffers fill up:
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my $lcdresponse = <$remote>;
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#print $lcdresponse;
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# Turn off blocking mode...
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fcntl($remote, F_SETFL, O_NONBLOCK);
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# Set up some screen widgets...
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print $remote "client_set name {fortune.pl}\n";
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$lcdresponse = <$remote>;
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print $remote "screen_add fortune\n";
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$lcdresponse = <$remote>;
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print $remote "screen_set fortune name {Fortune}\n";
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$lcdresponse = <$remote>;
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print $remote "widget_add fortune title title\n";
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$lcdresponse = <$remote>;
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print $remote "widget_set fortune title {Fortune}\n";
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$lcdresponse = <$remote>;
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print $remote "widget_add fortune text scroller\n";
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$lcdresponse = <$remote>;
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&update_text();
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# Forever, we should do stuff...
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while(1)
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{
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# Handle input... (spew it to the console)
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# Also, certain keys scroll the display
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while(defined($input = <$remote>)) {
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#print $input;
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# Make sure we handle each line...
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@lines = split(/\n/, $input);
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foreach $line (@lines)
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{
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if ( $line =~ /^success$/ ) { next; }
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if($line =~ /^ignore (\S)/) # Update just after disappearing
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{
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&update_text();
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}
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}
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}
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# And wait a little while before we check for input again.
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sleep 1;
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}
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close ($remote) || die "close: $!";
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exit;
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sub update_text {
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# Grab some text.
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$text = `$FORTUNE` || die "\n$0: Error running `$FORTUNE'.\nPlease check that the path is correct.\n\n";
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@lines = split(/\n/, $text);
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$text = join(" / ", @lines);
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# Now, show a fortune...
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print $remote "widget_set fortune text 1 2 20 4 v 16 {$text}\n";
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my $lcdresponse = <$remote>;
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}
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