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# Search within your typed history as you type (like ctrl-R in bash)
# Usage:
# * First do: /bind ^R /history_search
# * Then type ctrl-R and type what you're searching for
# Copyright 2007 Wouter Coekaerts <coekie@irssi.org>
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use Irssi 20070804;
use Irssi::TextUI;
use vars qw($VERSION %IRSSI);
$VERSION = '1.0';
%IRSSI = (
authors => 'Wouter Coekaerts',
contact => 'coekie@irssi.org',
name => 'history_search',
description => 'Search within your typed history as you type (like ctrl-R in bash)',
license => 'GPLv2 or later',
url => 'http://wouter.coekaerts.be/irssi/',
changed => '04/08/07'
);
my $prev_typed;
my $prev_startpos;
my $enabled = 0;
Irssi::command_bind('history_search', sub {
$enabled = ! $enabled;
if ($enabled) {
$prev_typed = '';
$prev_startpos = 0;
}
});
Irssi::signal_add_last 'gui key pressed' => sub {
my ($key) = @_;
if ($key == 10) { # enter
$enabled = 0;
}
return unless $enabled;
my $prompt = Irssi::parse_special('$L');
my $pos = Irssi::gui_input_get_pos();
if ($pos < $prev_startpos) {
$enabled = 0;
return;
}
my $typed = substr($prompt, $prev_startpos, ($pos-$prev_startpos));
my $history = ($typed eq '') ? '' : Irssi::parse_special('$!' . $typed . '!');
if ($history eq '') {
$history = $typed;
}
my $startpos = index(lc($history), lc($typed));
Irssi::gui_input_set($history);
Irssi::gui_input_set_pos($startpos + length($typed));
$prev_typed = $typed;
$prev_startpos = $startpos;
};
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