1 files changed, 71 insertions, 0 deletions
diff --git a/scripts/clearable.pl b/scripts/clearable.pl
new file mode 100644
index 0000000..79fef1a
--- /dev/null
+++ b/scripts/clearable.pl
@@ -0,0 +1,71 @@
+use strict;
+use warnings;
+
+our $VERSION = '0.1'; # 5ef9502616f1301
+our %IRSSI = (
+    contact     => 'Nei @ anti@conference.jabber.teamidiot.de',
+    url         => "http://anti.teamidiot.de/",
+    name	=> 'clearable',
+    description	=> 'make some command output clearable',
+    license	=> 'ISC',
+   );
+
+use Irssi 20140701;
+
+sub cmd_help {
+    return unless $_[0] =~ /^clearable\s*$/i;
+    print CLIENTCRAP <<HELP
+%9Syntax:%9
+
+CLEARABLE <command>
+
+%9Description:%9
+
+    Runs command and tags each line of immediate output with the
+    lastlog-flag so it can be cleared with /LASTLOG -clear
+
+%9Example:%9
+
+    /CLEARABLE NAMES
+    /LASTLOG -clear
+
+%9See also:%9 LASTLOG, SCROLLBACK CLEAR
+HELP
+}
+
+my %refreshers;
+
+sub sig_prt {
+    my $win = $_[0]{window};
+    my $view = $win && $win->view;
+    return unless $view;
+    my $llp = $view->{buffer}{cur_line}{_irssi}//0;
+    &Irssi::signal_continue;
+    $view = $win->view;
+    my $l2 = $view->{buffer}{cur_line};
+    return unless ($l2 && $l2->{_irssi} != $llp);
+    for (my $line = $l2; $line && $line->{_irssi} != $llp; ) {
+	$win->gui_printtext_after($line->prev, $line->{info}{level} | MSGLEVEL_NEVER | MSGLEVEL_LASTLOG, $line->get_text(1)."\n", $line->{info}{time});
+	my $ll = $win->last_line_insert;
+	$view->remove_line($line);
+	$line = $ll && $ll->prev;
+	$refreshers{ $win->{refnum} } //= $view->{bottom};
+    }
+}
+
+sub cmd_clearable {
+    my ($data, $server, $item) = @_;
+    Irssi::signal_add_first('print text' => 'sig_prt');
+    Irssi::signal_emit('send command'	 => Irssi::parse_special('$k').$data, $server, $item);
+    Irssi::signal_remove('print text'	 => 'sig_prt');
+    for my $refnum (keys %refreshers) {
+	my $bottom = delete $refreshers{$refnum};
+	my $win = Irssi::window_find_refnum($refnum) // next;
+	my $view = $win->view;
+	$win->command('^scrollback end') if $bottom && !$view->{bottom};
+	$view->redraw;
+    }
+}
+
+Irssi::command_bind('clearable' => 'cmd_clearable');
+Irssi::command_bind_last('help' => 'cmd_help');