--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/irssi/scripts/nicklist.pl	Sat Oct 18 10:06:58 2014 +0200
@@ -0,0 +1,611 @@
+# for documentation: see http://wouter.coekaerts.be/site/irssi/nicklist
+
+use Irssi;
+use strict;
+use IO::Handle; # for (auto)flush
+use Fcntl; # for sysopen
+use vars qw($VERSION %IRSSI);
+$VERSION = '0.4.6';
+%IRSSI = (
+	authors     => 'Wouter Coekaerts',
+	contact     => '[email protected]',
+	name        => 'nicklist',
+	description => 'draws a nicklist to another terminal, or at the right of your irssi in the same terminal',
+	license     => 'GPLv2',
+	url         => 'http://wouter.coekaerts.be/irssi',
+	changed     => '29/06/2004'
+);
+
+sub cmd_help {
+	print ( <<EOF
+Commands:
+NICKLIST HELP
+NICKLIST SCROLL <nr of lines>
+NICKLIST SCREEN
+NICKLIST FIFO
+NICKLIST OFF
+NICKLIST UPDATE
+
+For help see: http://wouter.coekaerts.be/site/irssi/nicklist
+
+in short:
+
+1. FIFO MODE
+- in irssi: /NICKLIST FIFO (only the first time, to create the fifo)
+- in a shell, in a window where you want the nicklist: cat ~/.irssi/nicklistfifo
+- back in irssi:
+    /SET nicklist_heigth <height of nicklist>
+    /SET nicklist_width <width of nicklist>
+    /NICKLIST FIFO
+
+2. SCREEN MODE
+- start irssi inside screen ("screen irssi")
+- /NICKLIST SCREEN
+EOF
+    );
+}
+
+my $prev_lines = 0;                  # number of lines in previous written nicklist
+my $scroll_pos = 0;                  # scrolling position
+my $cursor_line;                     # line the cursor is currently on
+my ($OFF, $SCREEN, $FIFO) = (0,1,2); # modes
+my $mode = $OFF;                     # current mode
+my $need_redraw = 0;                 # nicklist needs redrawing
+my $screen_resizing = 0;             # terminal is being resized
+my $active_channel;                  # (REC)
+
+my @nicklist=();                     # array of hashes, containing the internal nicklist of the active channel
+	# nick => realnick
+	# mode =>
+	my ($MODE_OP, $MODE_HALFOP, $MODE_VOICE, $MODE_NORMAL) = (0,1,2,3);
+	# status =>
+	my ($STATUS_NORMAL, $STATUS_JOINING, $STATUS_PARTING, $STATUS_QUITING, $STATUS_KICKED, $STATUS_SPLIT) = (0,1,2,3,4,5);
+	# text => text to be printed
+	# cmp => text used to compare (sort) nicks
+
+
+# 'cached' settings
+my ($screen_prefix, $irssi_width, @prefix_mode, @prefix_status, $height, $nicklist_width);
+
+sub read_settings {
+	($screen_prefix = Irssi::settings_get_str('nicklist_screen_prefix')) =~ s/\\e/\033/g;
+
+	($prefix_mode[$MODE_OP] = Irssi::settings_get_str('nicklist_prefix_mode_op')) =~ s/\\e/\033/g;
+	($prefix_mode[$MODE_HALFOP] = Irssi::settings_get_str('nicklist_prefix_mode_halfop')) =~ s/\\e/\033/g;
+	($prefix_mode[$MODE_VOICE] = Irssi::settings_get_str('nicklist_prefix_mode_voice')) =~ s/\\e/\033/g;
+	($prefix_mode[$MODE_NORMAL] = Irssi::settings_get_str('nicklist_prefix_mode_normal')) =~ s/\\e/\033/g;
+	
+	if ($mode != $SCREEN) {
+		$height = Irssi::settings_get_int('nicklist_height');
+	}
+	my $new_nicklist_width = Irssi::settings_get_int('nicklist_width');
+	if ($new_nicklist_width != $nicklist_width && $mode == $SCREEN) {
+		sig_terminal_resized();
+	}
+	$nicklist_width = $new_nicklist_width;
+}
+
+sub update {
+	read_settings();
+	make_nicklist();
+}
+
+##################
+##### OUTPUT #####
+##################
+
+### off ###
+
+sub cmd_off {
+	if ($mode == $SCREEN) {
+		screen_stop();
+	} elsif ($mode == $FIFO) {
+		fifo_stop();
+	}
+}
+
+### fifo ###
+
+sub cmd_fifo_start {
+	read_settings();
+	my $path = Irssi::settings_get_str('nicklist_fifo_path');
+	unless (-p $path) { # not a pipe
+	    if (-e _) { # but a something else
+	        die "$0: $path exists and is not a pipe, please remove it\n";
+	    } else {
+	        require POSIX;
+	        POSIX::mkfifo($path, 0666) or die "can\'t mkfifo $path: $!";
+		Irssi::print("Fifo created. Start reading it (\"cat $path\") and try again.");
+		return;
+	    }
+	}
+	if (!sysopen(FIFO, $path, O_WRONLY | O_NONBLOCK)) { # or die "can't write $path: $!";
+		Irssi::print("Couldn\'t write to the fifo ($!). Please start reading the fifo (\"cat $path\") and try again.");
+		return;
+	}
+	FIFO->autoflush(1);
+	print FIFO "\033[2J\033[1;1H"; # erase screen & jump to 0,0
+	$cursor_line = 0;
+	if ($mode == $SCREEN) {
+		screen_stop();
+	}
+	$mode = $FIFO;
+	make_nicklist();
+}
+
+sub fifo_stop {
+	close FIFO;
+	$mode = $OFF;
+	Irssi::print("Fifo closed.");
+}
+
+### screen ###
+
+sub cmd_screen_start {
+	if (!defined($ENV{'STY'})) {
+		Irssi::print 'screen not detected, screen mode only works inside screen';
+		return;
+	}
+	read_settings();
+	if ($mode == $SCREEN) {return;}
+	if ($mode == $FIFO) {
+		fifo_stop();
+	}
+	$mode = $SCREEN;
+	Irssi::signal_add_last('gui print text finished', \&sig_gui_print_text_finished);
+	Irssi::signal_add_last('gui page scrolled', \&sig_page_scrolled);
+	Irssi::signal_add('terminal resized', \&sig_terminal_resized);
+	screen_size();
+	make_nicklist();
+}
+
+sub screen_stop {
+	$mode = $OFF;
+	Irssi::signal_remove('gui print text finished', \&sig_gui_print_text_finished);
+	Irssi::signal_remove('gui page scrolled', \&sig_page_scrolled);
+	Irssi::signal_remove('terminal resized', \&sig_terminal_resized);
+	system 'screen -x '.$ENV{'STY'}.' -X fit';
+}
+
+sub screen_size {
+	if ($mode != $SCREEN) {
+		return;
+	}
+	$screen_resizing = 1;
+	# fit screen
+	system 'screen -x '.$ENV{'STY'}.' -X fit';
+	# get size (from perldoc -q size)
+	my ($winsize, $row, $col, $xpixel, $ypixel);
+	eval 'use Term::ReadKey; ($col, $row, $xpixel, $ypixel) = GetTerminalSize';
+	#	require Term::ReadKey 'GetTerminalSize';
+	#	($col, $row, $xpixel, $ypixel) = Term::ReadKey::GetTerminalSize;
+	#};
+	if ($@) { # no Term::ReadKey, try the ugly way
+		eval {
+			require 'sys/ioctl.ph';
+			# without this reloading doesn't work. workaround for some unknown bug
+			do 'asm/ioctls.ph';
+		};
+		
+		# ugly way not working, let's try something uglier, the dg-hack(tm) (constant for linux only?)
+		if($@) { no strict 'refs'; *TIOCGWINSZ = sub { return 0x5413 } }
+		
+		unless (defined &TIOCGWINSZ) {
+			die "Term::ReadKey not found, and ioctl 'workaround' failed. Install the Term::ReadKey perl module to use screen mode.\n";
+		}
+		open(TTY, "+</dev/tty") or die "No tty: $!";
+		unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) {
+			die "Term::ReadKey not found, and ioctl 'workaround' failed ($!). Install the Term::ReadKey perl module to use screen mode.\n";
+		}
+		close(TTY);
+		($row, $col, $xpixel, $ypixel) = unpack('S4', $winsize);
+	}
+	
+	# set screen width
+	$irssi_width = $col-$nicklist_width-1;
+	$height = $row-1;
+	
+	# on some recent systems, "screen -X fit; screen -X width -w 50" doesn't work, needs a sleep in between the 2 commands
+	# so we wait a second before setting the width
+	Irssi::timeout_add_once(1000, sub {
+		my ($new_irssi_width) = @_;
+		system 'screen -x '.$ENV{'STY'}.' -X width -w ' . $new_irssi_width;
+		# and then we wait another second for the resizing, and then redraw.
+		Irssi::timeout_add_once(1000,sub {$screen_resizing = 0; redraw()}, []);
+	}, $irssi_width);
+}
+
+sub sig_terminal_resized {
+	if ($screen_resizing) {
+		return;
+	}
+	$screen_resizing = 1;
+	Irssi::timeout_add_once(1000,\&screen_size,[]);
+}
+
+
+### both ###
+
+sub nicklist_write_start {
+	if ($mode == $SCREEN) {
+		print STDERR "\033P\033[s\033\\"; # save cursor
+	}
+}
+
+sub nicklist_write_end {
+	if ($mode == $SCREEN) {
+		print STDERR "\033P\033[u\033\\"; # restore cursor
+	}
+}
+
+sub nicklist_write_line {
+	my ($line, $data) = @_;
+	if ($mode == $SCREEN) {
+		print STDERR "\033P\033[" . ($line+1) . ';'. ($irssi_width+1) .'H'. $screen_prefix . $data . "\033\\";
+	} elsif ($mode == $FIFO) {
+		$data = "\033[m$data"; # reset color
+		if ($line == $cursor_line+1) {
+			$data = "\n$data"; # next line
+		} elsif ($line == $cursor_line) {
+			$data = "\033[1G".$data; # back to beginning of line
+		} else {
+			$data = "\033[".($line+1).";0H".$data; # jump
+		}
+		$cursor_line=$line;
+		print(FIFO $data) or fifo_stop();
+	}
+}
+
+# recalc the text of the nicklist item
+sub calc_text {
+	my ($nick) = @_;
+	my $tmp = $nicklist_width-3;
+	(my $text = $nick->{'nick'}) =~ s/^(.{$tmp})..+$/$1\033[34m~\033[m/;
+	$nick->{'text'} = $prefix_mode[$nick->{'mode'}] . $text . (' ' x ($nicklist_width-length($nick->{'nick'})-1));
+	$nick->{'cmp'} = $nick->{'mode'}.lc($nick->{'nick'});
+}
+
+# redraw the given nick (nr) if it is visible
+sub redraw_nick_nr {
+	my ($nr) = @_;
+	my $line = $nr - $scroll_pos;
+	if ($line >= 0 && $line < $height) {
+		nicklist_write_line($line, $nicklist[$nr]->{'text'});
+	}
+}
+
+# nick was inserted, redraw area if necessary
+sub draw_insert_nick_nr {
+	my ($nr) = @_;
+	my $line = $nr - $scroll_pos;
+	if ($line < 0) { # nick is inserted above visible area
+		$scroll_pos++; # 'scroll' down :)
+	} elsif ($line < $height) { # line is visible
+		if ($mode == $SCREEN) {
+			need_redraw();
+		} elsif ($mode == $FIFO) {
+			my $data = "\033[m\033[L". $nicklist[$nr]->{'text'}; # reset color & insert line & write nick
+			if ($line == $cursor_line) {
+				$data = "\033[1G".$data; # back to beginning of line
+			} else {
+				$data = "\033[".($line+1).";1H".$data; # jump
+			}
+			$cursor_line=$line;
+			print(FIFO $data) or fifo_stop();
+			if ($prev_lines < $height) {
+				$prev_lines++; # the nicklist has one line more
+			}
+		}
+	}
+}
+
+sub draw_remove_nick_nr {
+	my ($nr) = @_;
+	my $line = $nr - $scroll_pos;
+	if ($line < 0) { # nick removed above visible area
+		$scroll_pos--; # 'scroll' up :)
+	} elsif ($line < $height) { # line is visible
+		if ($mode == $SCREEN) {
+			need_redraw();
+		} elsif ($mode == $FIFO) {
+			#my $data = "\033[m\033[L[i$line]". $nicklist[$nr]->{'text'}; # reset color & insert line & write nick
+			my $data = "\033[M"; # delete line
+			if ($line != $cursor_line) {
+				$data = "\033[".($line+1)."d".$data; # jump
+			}
+			$cursor_line=$line;
+			print(FIFO $data) or fifo_stop();
+			if (@nicklist-$scroll_pos >= $height) {
+				redraw_nick_nr($scroll_pos+$height-1);
+			}
+		}
+	}
+}
+
+# redraw the whole nicklist
+sub redraw {
+	$need_redraw = 0;
+	#make_nicklist();
+	nicklist_write_start();
+	my $line = 0;
+	### draw nicklist ###
+	for (my $i=$scroll_pos;$line < $height && $i < @nicklist; $i++) {
+		nicklist_write_line($line++, $nicklist[$i]->{'text'});
+	}
+
+	### clean up other lines ###
+	my $real_lines = $line;
+	while($line < $prev_lines) {
+		nicklist_write_line($line++,' ' x $nicklist_width);
+	}
+	$prev_lines = $real_lines;
+	nicklist_write_end();
+}
+
+# redraw (with little delay to avoid redrawing to much)
+sub need_redraw {
+	if(!$need_redraw) {
+		$need_redraw = 1;
+		Irssi::timeout_add_once(10,\&redraw,[]);
+	}
+}
+
+sub sig_page_scrolled {
+	$prev_lines = $height; # we'll need to redraw everything if he scrolled up
+	need_redraw;
+}
+
+# redraw (with delay) if the window is visible (only in screen mode)
+sub sig_gui_print_text_finished {
+	if ($need_redraw) { # there's already a redraw 'queued'
+		return;
+	}
+	my $window = @_[0];
+	if ($window->{'refnum'} == Irssi::active_win->{'refnum'} || Irssi::settings_get_str('nicklist_screen_split_windows') eq '*') {
+		need_redraw;
+		return;
+	}
+	foreach my $win (split(/[ ,]/, Irssi::settings_get_str('nicklist_screen_split_windows'))) {
+		if ($window->{'refnum'} == $win || $window->{'name'} eq $win) {
+			need_redraw;
+			return;
+		}
+	}
+}
+
+####################
+##### NICKLIST #####
+####################
+
+# returns the position of the given nick(as string) in the (internal) nicklist
+sub find_nick {
+	my ($nick) = @_;
+	for (my $i=0;$i < @nicklist; $i++) {
+		if ($nicklist[$i]->{'nick'} eq $nick) {
+			return $i;
+		}
+	}
+	return -1;
+}
+
+# find position where nick should be inserted into the list
+sub find_insert_pos {
+	my ($cmp)= @_;
+	for (my $i=0;$i < @nicklist; $i++) {
+		if ($nicklist[$i]->{'cmp'} gt $cmp) {
+			return $i;
+		}
+	}
+	return scalar(@nicklist); #last
+}
+
+# make the (internal) nicklist (@nicklist)
+sub make_nicklist {
+	@nicklist = ();
+	$scroll_pos = 0;
+
+	### get & check channel ###
+	my $channel = Irssi::active_win->{active};
+
+	if (!$channel || (ref($channel) ne 'Irssi::Irc::Channel' && ref($channel) ne 'Irssi::Silc::Channel' && ref($channel) ne 'Irssi::Xmpp::Channel') || $channel->{'type'} ne 'CHANNEL' || ($channel->{chat_type} ne 'SILC' && !$channel->{'names_got'}) ) {
+		$active_channel = undef;
+		# no nicklist
+	} else {
+		$active_channel = $channel;
+		### make nicklist ###
+		my $thisnick;
+		foreach my $nick (sort {(($a->{'op'}?'1':$a->{'halfop'}?'2':$a->{'voice'}?'3':'4').lc($a->{'nick'}))
+		                    cmp (($b->{'op'}?'1':$b->{'halfop'}?'2':$b->{'voice'}?'3':'4').lc($b->{'nick'}))} $channel->nicks()) {
+			$thisnick = {'nick' => $nick->{'nick'}, 'mode' => ($nick->{'op'}?$MODE_OP:$nick->{'halfop'}?$MODE_HALFOP:$nick->{'voice'}?$MODE_VOICE:$MODE_NORMAL)};
+			calc_text($thisnick);
+			push @nicklist, $thisnick;
+		}
+	}
+	need_redraw();
+}
+
+# insert nick(as hash) into nicklist
+# pre: cmp has to be calculated
+sub insert_nick {
+	my ($nick) = @_;
+	my $nr = find_insert_pos($nick->{'cmp'});
+	splice @nicklist, $nr, 0, $nick;
+	draw_insert_nick_nr($nr);
+}
+
+# remove nick(as nr) from nicklist
+sub remove_nick {
+	my ($nr) = @_;
+	splice @nicklist, $nr, 1;
+	draw_remove_nick_nr($nr);
+}
+
+###################
+##### ACTIONS #####
+###################
+
+# scroll the nicklist, arg = number of lines to scroll, positive = down, negative = up
+sub cmd_scroll {
+	if (!$active_channel) { # not a channel active
+		return;
+	}
+	my @nicks=Irssi::active_win->{active}->nicks;
+	my $nick_count = scalar(@nicks)+0;
+	my $channel = Irssi::active_win->{active};
+	if (!$channel || $channel->{type} ne 'CHANNEL' || !$channel->{names_got} || $nick_count <= Irssi::settings_get_int('nicklist_height')) {
+		return;
+	}
+	$scroll_pos += @_[0];
+
+	if ($scroll_pos > $nick_count - $height) {
+		$scroll_pos = $nick_count - $height;
+	}
+	if ($scroll_pos <= 0) {
+		$scroll_pos = 0;
+	}
+	need_redraw();
+}
+
+sub is_active_channel {
+	my ($server,$channel) = @_; # (channel as string)
+	return ($server && $server->{'tag'} eq $active_channel->{'server'}->{'tag'} && $server->channel_find($channel) && $active_channel && $server->channel_find($channel)->{'name'} eq $active_channel->{'name'});
+}
+
+sub sig_channel_wholist { # this is actualy a little late, when the names are received would be better
+	my ($channel) = @_;
+	if (Irssi::active_win->{'active'} && Irssi::active_win->{'active'}->{'name'} eq $channel->{'name'}) { # the channel joined is active
+		make_nicklist
+	}
+}
+
+sub sig_join {
+	my ($server,$channel,$nick,$address) = @_;
+	if (!is_active_channel($server,$channel)) {
+		return;
+	}
+	my $newnick = {'nick' => $nick, 'mode' => $MODE_NORMAL};
+	calc_text($newnick);
+	insert_nick($newnick);
+}
+
+sub sig_kick {
+	my ($server, $channel, $nick, $kicker, $address, $reason) = @_;
+	if (!is_active_channel($server,$channel)) {
+		return;
+	}
+	my $nr = find_nick($nick);
+	if ($nr == -1) {
+		Irssi::print("nicklist warning: $nick was kicked from $channel, but not found in nicklist");
+	} else {
+		remove_nick($nr);
+	}
+}
+
+sub sig_part {
+	my ($server,$channel,$nick,$address, $reason) = @_;
+	if (!is_active_channel($server,$channel)) {
+		return;
+	}
+	my $nr = find_nick($nick);
+	if ($nr == -1) {
+		Irssi::print("nicklist warning: $nick has parted $channel, but was not found in nicklist");
+	} else {
+		remove_nick($nr);
+	}
+
+}
+
+sub sig_quit {
+	my ($server,$nick,$address, $reason) = @_;
+	if ($server->{'tag'} ne $active_channel->{'server'}->{'tag'}) {
+		return;
+	}
+	my $nr = find_nick($nick);
+	if ($nr != -1) {
+		remove_nick($nr);
+	}
+}
+
+sub sig_nick {
+	my ($server, $newnick, $oldnick, $address) = @_;
+	if ($server->{'tag'} ne $active_channel->{'server'}->{'tag'}) {
+		return;
+	}
+	my $nr = find_nick($oldnick);
+	if ($nr != -1) { # if nick was found (nickchange is in current channel)
+		my $nick = $nicklist[$nr];
+		remove_nick($nr);
+		$nick->{'nick'} = $newnick;
+		calc_text($nick);
+		insert_nick($nick);
+	}
+}
+
+sub sig_mode {
+	my ($channel, $nick, $setby, $mode, $type) = @_; # (nick and channel as rec)
+	if ($channel->{'server'}->{'tag'} ne $active_channel->{'server'}->{'tag'} || $channel->{'name'} ne $active_channel->{'name'}) {
+		return;
+	}
+	my $nr = find_nick($nick->{'nick'});
+	if ($nr == -1) {
+		Irssi::print("nicklist warning: $nick->{'nick'} had mode set on $channel->{'name'}, but was not found in nicklist");
+	} else {
+		my $nicklist_item = $nicklist[$nr];
+		remove_nick($nr);
+		$nicklist_item->{'mode'} = ($nick->{'op'}?$MODE_OP:$nick->{'halfop'}?$MODE_HALFOP:$nick->{'voice'}?$MODE_VOICE:$MODE_NORMAL);
+		calc_text($nicklist_item);
+		insert_nick($nicklist_item);
+	}
+}
+
+##### command binds #####
+Irssi::command_bind 'nicklist' => sub {
+    my ( $data, $server, $item ) = @_;
+    $data =~ s/\s+$//g;
+    Irssi::command_runsub ('nicklist', $data, $server, $item ) ;
+};
+Irssi::signal_add_first 'default command nicklist' => sub {
+	# gets triggered if called with unknown subcommand
+	cmd_help();
+};
+Irssi::command_bind('nicklist update',\&update);
+Irssi::command_bind('nicklist help',\&cmd_help);
+Irssi::command_bind('nicklist scroll',\&cmd_scroll);
+Irssi::command_bind('nicklist fifo',\&cmd_fifo_start);
+Irssi::command_bind('nicklist screen',\&cmd_screen_start);
+Irssi::command_bind('nicklist screensize',\&screen_size);
+Irssi::command_bind('nicklist off',\&cmd_off);
+
+##### signals #####
+Irssi::signal_add_last('window item changed', \&make_nicklist);
+Irssi::signal_add_last('window changed', \&make_nicklist);
+Irssi::signal_add_last('channel wholist', \&sig_channel_wholist);
+Irssi::signal_add_first('message join', \&sig_join); # first, to be before ignores
+Irssi::signal_add_first('message part', \&sig_part);
+Irssi::signal_add_first('message kick', \&sig_kick);
+Irssi::signal_add_first('message quit', \&sig_quit);
+Irssi::signal_add_first('message nick', \&sig_nick);
+Irssi::signal_add_first('message own_nick', \&sig_nick);
+Irssi::signal_add_first('nick mode changed', \&sig_mode);
+
+Irssi::signal_add('setup changed', \&read_settings);
+
+##### settings #####
+Irssi::settings_add_str('nicklist', 'nicklist_screen_prefix', '\e[m ');
+Irssi::settings_add_str('nicklist', 'nicklist_prefix_mode_op', '\e[32m@\e[39m');
+Irssi::settings_add_str('nicklist', 'nicklist_prefix_mode_halfop', '\e[34m%\e[39m');
+Irssi::settings_add_str('nicklist', 'nicklist_prefix_mode_voice', '\e[33m+\e[39m');
+Irssi::settings_add_str('nicklist', 'nicklist_prefix_mode_normal', ' ');
+
+Irssi::settings_add_int('nicklist', 'nicklist_width',11);
+Irssi::settings_add_int('nicklist', 'nicklist_height',24);
+Irssi::settings_add_str('nicklist', 'nicklist_fifo_path', Irssi::get_irssi_dir . '/nicklistfifo');
+Irssi::settings_add_str('nicklist', 'nicklist_screen_split_windows', '');
+Irssi::settings_add_str('nicklist', 'nicklist_automode', '');
+
+read_settings();
+if (uc(Irssi::settings_get_str('nicklist_automode')) eq 'SCREEN') {
+	cmd_screen_start();
+} elsif (uc(Irssi::settings_get_str('nicklist_automode')) eq 'FIFO') {
+	cmd_fifo_start();
+}