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#!/usr/bin/perl -w
#
# Copyright (c) 2005 Mike O'Connor
# All rights reserved.
# Author Mike O'Connor <stew@vireo.org>
#
# Modified by Shawn Betts.
#
# code was adapeted from rpws that comes from ratpoison containing the follwing copyright:
# Copyright (C) 2003 Shawn Betts
# Author: Shawn Betts
#
use strict;
use Fcntl qw (:flock);
use Getopt::Std;
my $ratpoison = $ENV{ "RATPOISON" } || "ratpoison";
my $tmp=$ENV{ "TMP" } || "/tmp";
my $lockfile = $ENV{ "RPWS_LOCKFILE" } || "$tmp/rpws.$<.lock";
sub help
{
system("pod2usage", $0);
print( "for more detailed documentation run \"perldoc $0\"\n" );
}
sub rp_call
{
my $result = `$ratpoison -c "@_"`;
chomp( $result );
chomp( $result );
return $result;
}
sub ws_init_ws
{
my $num = shift;
rp_call( "gnew wspl$num" );
my $fd = fdump();
rp_call( "setenv fspl$num $fd" )
}
sub fdump
{
return rp_call( "fdump" );
}
sub ws_init
{
my $num = shift;
# Backup the frames
my $fd = fdump();
rp_call( "select -" );
rp_call( "only" );
my $i;
for my $i (1..$num)
{
ws_init_ws( $i );
}
# Workspace 1 uses the 'default' group.
# Start in workspace 1.
$fd = fdump();
rp_call( "gselect default" );
rp_call( "setenv fspl1 $fd" );
rp_call( "setenv wspl 1" );
# restore the frames
rp_call( "frestore $fd" );
if( -e "$lockfile" )
{
unlink ("$lockfile" );
}
}
sub ws_save
{
my $ws = rp_call( "getenv wspl" );
my $fd = fdump();
rp_call( "setenv fspl$ws $fd" );
}
sub ws_restore
{
my $which = shift;
ws_save();
if( $which == 1 )
{
rp_call( "gselect default" );
}
else
{
rp_call( "gselect wspl$which");
}
rp_call( "echo Workspace $which" );
my $last = rp_call( "getenv fspl$which" );
rp_call( "frestore $last" );
rp_call( "setenv wspl $which" );
}
sub add_aliases
{
my $n = shift;
foreach my $i (1..$n) {
rp_call ( "alias rpws$i exec $0 $i" );
}
}
sub add_keys
{
my $n = shift;
foreach my $i (1..$n) {
rp_call ( "definekey top M-F$i rpws$i" );
}
}
my $arg = shift @ARGV || 'help';
if( $arg eq "help" ) {
help();
} elsif( $arg eq "init" ) {
my $num = shift @ARGV;
my %opts;
ws_init( $num );
getopts('ka', \%opts);
add_aliases( $num ) if $opts{'a'} || $opts{'k'};
add_keys ( $num ) if $opts{'k'};
} else {
open LOCK, ">>$lockfile" or die "Cannot open lockfile: $lockfile";
flock(LOCK, LOCK_EX);
ws_restore( $arg );
}
__END__
=head1 NAME
rpws - Implements multiple workspaces in ratpoison
=head1 SYNOPSIS
rpws init n [-k] [-a] - setup rpws with n workspaces.
-a sets up command aliases;
-k sets up key bindings and aliases.
rpws help - this documentation
rpws n - switch to this workspace
=head1 DESCRIPTION
B<rpws> implements multiple workspaces in ratpoison by making calls
to fdump, freestore. It was adapted from rpws which comes with
ratpoison in the contrib directory.
=head1 USAGE
Add the following line in ~/.ratpoisonrc
exec /path/to/rpws init 6 -k
This creates 6 aliases rpws1, rpws2, etc. It also binds the keys M-F1,
M-F2, etc to each rpwsN alias.
=head1 FILES
rpws requires use of a lockfile. It defaults to using
/tmp/rpws.<UID>.lock but this can be changed by setting the
environment variable RPWS_LOCKFILE to your desired lockfile.
=head1 AUTHOR
Mike O'Connor <stew@vireo.org>
=head1 COPYRIGHT
Copyright (c) 2005 Mike O'Connor
All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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