diff options
Diffstat (limited to 'scripts/buf.pl')
| -rw-r--r-- | scripts/buf.pl | 122 | 
1 files changed, 122 insertions, 0 deletions
| diff --git a/scripts/buf.pl b/scripts/buf.pl new file mode 100644 index 0000000..43b4b3d --- /dev/null +++ b/scripts/buf.pl @@ -0,0 +1,122 @@ +use strict; +use vars qw($VERSION %IRSSI); + +use Irssi qw(command signal_add signal_add_first active_win +             settings_get_str settings_get_bool channels windows +	     settings_add_str settings_add_bool get_irssi_dir +	     window_find_refnum signal_stop); +$VERSION = '2.13'; +%IRSSI = ( +    authors	=> 'Juerd', +    contact	=> 'juerd@juerd.nl', +    name	=> 'Scroll buffer restorer', +    description	=> 'Saves the buffer for /upgrade, so that no information is lost', +    license	=> 'Public Domain', +    url		=> 'http://juerd.nl/irssi/', +    changed	=> 'Mon May 13 19:41 CET 2002', +    changes	=> 'Severe formatting bug removed * oops, I ' . +                   'exposed Irssi to ircII foolishness * sorry ' . +		   '** removed logging stuff (this is a fix)', +    note1	=> 'This script HAS TO BE in your scripts/autorun!', +    note2	=> 'Perl support must be static or in startup', +); + +# Q: How can I get a very smooth and clean upgrade? +# +# A: /set -clear upgrade_separator +#    /set upgrade_suppress_join ON (default) +#    /set channel_sync OFF + +# Q: Can I use color in the upgrade_separator? +# Q: Is it possible to save my command history? +# Q: Can I prevent the screen from blinking? +# Q: Can you make it faster? +# +# A: Probably not, but if you can do it, tell me how. + +use Irssi::TextUI; +use Data::Dumper; + +my %suppress; + +sub upgrade { +    open BUF, sprintf('>%s/scrollbuffer', get_irssi_dir) or die $!; +    print BUF join("\0", map $_->{server}->{address} . $_->{name}, channels), "\n"; +    for my $window (windows) { +	next unless defined $window; +	next if $window->{name} eq 'status'; +	my $view = $window->view; +	my $line = $view->get_lines; +	my $lines  = 0; +	my $buf = ''; +	if (defined $line){ +	    { +		$buf .= $line->get_text(1) . "\n"; +		$line = $line->next; +		$lines++; +		redo if defined $line; +	    } +	} +	printf BUF "%s:%s\n%s", $window->{refnum}, $lines, $buf; +    } +    close BUF; +    unlink sprintf("%s/sessionconfig", get_irssi_dir); +    command 'layout save'; +    command 'save'; +} + +sub restore { +    open BUF, sprintf('<%s/scrollbuffer', get_irssi_dir) or die $!; +    my @suppress = split /\0/, <BUF>; +    if (settings_get_bool 'upgrade_suppress_join') { +	chomp $suppress[-1]; +	@suppress{@suppress} = (2) x @suppress; +    } +    active_win->command('^window scroll off'); +    while (my $bla = <BUF>){ +	chomp $bla; +	my ($refnum, $lines) = split /:/, $bla; +	next unless $lines; +	my $window = window_find_refnum $refnum; +	unless (defined $window){ +	    <BUF> for 1..$lines; +	    next; +	} +	my $view = $window->view; +	$view->remove_all_lines(); +	$view->redraw(); +	my $buf = ''; +	$buf .= <BUF> for 1..$lines; +	my $sep = settings_get_str 'upgrade_separator'; +	$sep .= "\n" if $sep ne ''; +	$window->gui_printtext_after(undef, MSGLEVEL_CLIENTNOTICE, "$buf\cO$sep"); +	$view->redraw(); +    } +    active_win->command('^window scroll on'); +    active_win->command('^scrollback end'); +} + +sub suppress { +    my ($first, $second) = @_; +    return +	unless scalar keys %suppress +	and settings_get_bool 'upgrade_suppress_join'; +    my $key = $first->{address} .  +	(grep { (s/^://, /^[#!+&]/) } split ' ', $second)[0]; +    if (exists $suppress{$key} and $suppress{$key}--) { +	signal_stop(); +	delete $suppress{$key} unless $suppress{$key}; +    } +} + +settings_add_str  'buffer', 'upgrade_separator'     => '=Upgrade='; +settings_add_bool 'buffer', 'upgrade_suppress_join' => 1; + +signal_add_first 'session save'    => 'upgrade'; +signal_add_first 'session restore' => 'restore'; +signal_add       'event 366'       => 'suppress'; +signal_add       'event join'      => 'suppress'; + +unless (-f sprintf('%s/scripts/autorun/buf.pl', get_irssi_dir)) { +    Irssi::print('PUT THIS SCRIPT IN ~/.irssi/scripts/autorun/ BEFORE /UPGRADING!!'); +} | 
