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+# trackbar.pl
+#
+# This little script will do just one thing: it will draw a line each time you
+# switch away from a window. This way, you always know just upto where you've
+# been reading that window :) It also removes the previous drawn line, so you
+# don't see double lines.
+#
+# redraw trackbar only works on irssi 0.8.17 or higher.
+#
+#
+# Usage:
+#
+# The script works right out of the box, but if you want you can change
+# the working by /set'ing the following variables:
+#
+# Setting: trackbar_style
+# Description: This setting will be the color of your trackbar line.
+# By default the value will be '%K', only Irssi color
+# formats are allowed. If you don't know the color formats
+# by heart, you can take a look at the formats documentation.
+# You will find the proper docs on http://www.irssi.org/docs.
+#
+# Setting: trackbar_string
+# Description: This is the string that your line will display. This can
+# be multiple characters or just one. For example: '~-~-'
+# The default setting is '-'.
+#
+# Setting: trackbar_use_status_window
+# Description: If this setting is set to OFF, Irssi won't print a trackbar
+# in the statuswindow
+#
+# Setting: trackbar_ignore_windows
+# Description: A list of windows where no trackbar should be printed
+#
+# Setting: trackbar_print_timestamp
+# Description: If this setting is set to ON, Irssi will print the formatted
+# timestamp in front of the trackbar.
+#
+# Setting: trackbar_require_seen
+# Description: Only clear the trackbar if it has been scrolled to.
+#
+# /mark is a command that will redraw the line at the bottom.
+#
+# Command: /trackbar, /trackbar goto
+# Description: Jump to where the trackbar is, to pick up reading
+#
+# Command: /trackbar keep
+# Description: Keep this window's trackbar where it is the next time
+# you switch windows (then this flag is cleared again)
+#
+# Command: /mark, /trackbar mark
+# Description: Remove the old trackbar and mark the bottom of this
+# window with a new trackbar
+#
+# Command: /trackbar markvisible
+# Description: Like mark for all visible windows
+#
+# Command: /trackbar markall
+# Description: Like mark for all windows
+#
+# Command: /trackbar remove
+# Description: Remove this window's trackbar
+#
+# Command: /trackbar removeall
+# Description: Remove all windows' trackbars
+#
+# Command: /trackbar redraw
+# Description: Force redraw of trackbars
+#
+
+
+# For bugreports and other improvements contact one of the authors.
+#
+# 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 script; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+##
+
+use strict;
+use warnings;
+use Irssi;
+use Irssi::TextUI;
+use Encode;
+
+use POSIX qw(strftime);
+use vars qw($VERSION %IRSSI);
+
+$VERSION = "2.4"; # 1ca8fa9f28b9586
+
+%IRSSI = (
+ authors => 'Peter Leurs and Geert Hauwaerts',
+ contact => 'peter@pfoe.be',
+ patchers => 'Johan Kiviniemi (UTF-8), Uwe Dudenhoeffer (on-upgrade-remove-line)',
+ name => 'trackbar',
+ description => 'Shows a bar where you have last read a window.',
+ license => 'GNU General Public License',
+ url => 'http://www.pfoe.be/~peter/trackbar/',
+ commands => 'trackbar',
+);
+
+## Comments and remarks.
+#
+# This script uses settings.
+# Use /SET to change the value or /TOGGLE to switch it on or off.
+#
+#
+# Tip: The command 'trackbar' is very usefull if you bind that to a key,
+# so you can easily jump to the trackbar. Please see 'help bind' for
+# more information about keybindings in Irssi.
+#
+# Command: /BIND meta2-P key F1
+# /BIND F1 command trackbar
+#
+##
+
+## Bugfixes and new items in this rewrite.
+#
+# * Remove all the trackbars before upgrading.
+# * New setting trackbar_use_status_window to control the statuswindow trackbar.
+# * New setting trackbar_print_timestamp to print a timestamp or not.
+# * New command 'trackbar' to scroll up to the trackbar.
+# * When resizing your terminal, Irssi will update all the trackbars to the new size.
+# * When changing trackbar settings, change all the trackbars to the new settings.
+# * New command 'trackbar mark' to draw a new trackbar (The old '/mark').
+# * New command 'trackbar markall' to draw a new trackbar in each window.
+# * New command 'trackbar remove' to remove the trackbar from the current window.
+# * New command 'trackbar removeall' to remove all the trackbars.
+# * Don't draw a trackbar in empty windows.
+# * Added a version check to prevent Irssi redraw errors.
+# * Fixed a bookmark NULL versus 0 bug.
+# * Fixed a remove-line bug in Uwe Dudenhoeffer his patch.
+# * New command 'help trackbar' to display the trackbar commands.
+# * Fixed an Irssi startup bug, now processing each auto-created window.
+#
+##
+
+## Known bugs and the todolist.
+#
+# Todo: * Instead of drawing a line, invert the line.
+#
+##
+
+sub cmd_help {
+ my ($args) = @_;
+ if ($args =~ /^trackbar *$/i) {
+ print CLIENTCRAP <<HELP
+%9Syntax:%9
+
+TRACKBAR
+TRACKBAR GOTO
+TRACKBAR KEEP
+TRACKBAR MARK
+TRACKBAR MARKVISIBLE
+TRACKBAR MARKALL
+TRACKBAR REMOVE
+TRACKBAR REMOVEALL
+TRACKBAR REDRAW
+
+%9Parameters:%9
+
+ GOTO: Jump to where the trackbar is, to pick up reading
+ KEEP: Keep this window's trackbar where it is the next time
+ you switch windows (then this flag is cleared again)
+ MARK: Remove the old trackbar and mark the bottom of this
+ window with a new trackbar
+ MARKVISIBLE: Like mark for all visible windows
+ MARKALL: Like mark for all windows
+ REMOVE: Remove this window's trackbar
+ REMOVEALL: Remove all windows' trackbars
+ REDRAW: Force redraw of trackbars
+
+%9Description:%9
+
+ Manage a trackbar. Without arguments, it will scroll up to the trackbar.
+
+%9Examples:%9
+
+ /TRACKBAR MARK
+ /TRACKBAR REMOVE
+HELP
+ }
+}
+
+Irssi::theme_register([
+ 'trackbar_loaded', '%R>>%n %_Scriptinfo:%_ Loaded $0 version $1 by $2.',
+ 'trackbar_wrong_version', '%R>>%n %_Trackbar:%_ Please upgrade your client to 0.8.17 or above if you would like to use this feature of trackbar.',
+ 'trackbar_all_removed', '%R>>%n %_Trackbar:%_ All the trackbars have been removed.',
+ 'trackbar_not_found', '%R>>%n %_Trackbar:%_ No trackbar found in this window.',
+]);
+
+my $old_irssi = Irssi::version < 20140701;
+sub check_version {
+ if ($old_irssi) {
+ Irssi::printformat(MSGLEVEL_CLIENTCRAP, 'trackbar_wrong_version');
+ return;
+ } else {
+ return 1;
+ }
+}
+
+sub is_utf8 {
+ lc Irssi::settings_get_str('term_charset') eq 'utf-8'
+}
+
+my (%config, %keep_trackbar, %unseen_trackbar);
+
+sub remove_one_trackbar {
+ my $win = shift;
+ my $view = shift || $win->view;
+ my $line = $view->get_bookmark('trackbar');
+ if (defined $line) {
+ my $bottom = $view->{bottom};
+ $view->remove_line($line);
+ $win->command('^scrollback end') if $bottom && !$win->view->{bottom};
+ $view->redraw;
+ }
+}
+
+sub add_one_trackbar {
+ my $win = shift;
+ my $view = shift || $win->view;
+ $win->print(line($win->{width}), MSGLEVEL_NEVER);
+ $view->set_bookmark_bottom('trackbar');
+ $unseen_trackbar{ $win->{_irssi} } = 1;
+ Irssi::signal_emit("window trackbar added", $win);
+ $view->redraw;
+}
+
+sub update_one_trackbar {
+ my $win = shift;
+ my $view = shift || $win->view;
+ my $force = shift;
+ my $ignored = win_ignored($win, $view);
+ remove_one_trackbar($win, $view)
+ if $force || !defined $force || !$ignored;
+ add_one_trackbar($win, $view)
+ if $force || !$ignored;
+}
+
+sub win_ignored {
+ my $win = shift;
+ my $view = shift || $win->view;
+ return 1 unless $view->{buffer}{lines_count};
+ return 1 if $win->{name} eq '(status)' && !$config{use_status_window};
+ no warnings 'uninitialized';
+ return 1 if grep { $win->{name} eq $_ || $win->{refnum} eq $_
+ || $win->get_active_name eq $_ } @{ $config{ignore_windows} };
+ return 0;
+}
+
+sub sig_window_changed {
+ my ($newwindow, $oldwindow) = @_;
+ return unless $oldwindow;
+ redraw_trackbars($newwindow);
+ trackbar_update_seen($newwindow);
+ return if delete $keep_trackbar{ $oldwindow->{_irssi} };
+ trackbar_update_seen($oldwindow);
+ return if $config{require_seen} && $unseen_trackbar{ $oldwindow->{_irssi } };
+ update_one_trackbar($oldwindow, undef, 0);
+}
+
+sub trackbar_update_seen {
+ my $win = shift;
+ return unless $win;
+ return unless $unseen_trackbar{ $win->{_irssi} };
+
+ my $view = $win->view;
+ my $line = $view->get_bookmark('trackbar');
+ unless ($line) {
+ delete $unseen_trackbar{ $win->{_irssi} };
+ Irssi::signal_emit("window trackbar seen", $win);
+ return;
+ }
+ my $startline = $view->{startline};
+ return unless $startline;
+
+ if ($startline->{info}{time} < $line->{info}{time}
+ || $startline->{_irssi} == $line->{_irssi}) {
+ delete $unseen_trackbar{ $win->{_irssi} };
+ Irssi::signal_emit("window trackbar seen", $win);
+ }
+}
+
+sub screen_length;
+{ local $@;
+ eval { require Text::CharWidth; };
+ unless ($@) {
+ *screen_length = sub { Text::CharWidth::mbswidth($_[0]) };
+ }
+ else {
+ *screen_length = sub {
+ my $temp = shift;
+ if (is_utf8()) {
+ Encode::_utf8_on($temp);
+ }
+ length($temp)
+ };
+ }
+}
+
+{ my %strip_table = (
+ (map { $_ => '' } (split //, '04261537' . 'kbgcrmyw' . 'KBGCRMYW' . 'U9_8I:|FnN>#[' . 'pP')),
+ (map { $_ => $_ } (split //, '{}%')),
+ );
+ sub c_length {
+ my $o = Irssi::strip_codes($_[0]);
+ $o =~ s/(%(%|Z.{6}|z.{6}|X..|x..|.))/exists $strip_table{$2} ? $strip_table{$2} :
+ $2 =~ m{x(?:0[a-f]|[1-6][0-9a-z]|7[a-x])|z[0-9a-f]{6}}i ? '' : $1/gex;
+ screen_length($o)
+ }
+}
+
+sub line {
+ my ($width, $time) = @_;
+ my $string = $config{string};
+ $string = ' ' unless length $string;
+ $time ||= time;
+
+ Encode::_utf8_on($string);
+ my $length = c_length($string);
+
+ my $format = '';
+ if ($config{print_timestamp}) {
+ $format = $config{timestamp_str};
+ $format =~ y/%/\01/;
+ $format =~ s/\01\01/%/g;
+ $format = strftime($format, localtime $time);
+ $format =~ y/\01/%/;
+ }
+
+ my $times = $width / $length;
+ $times += 1 if $times != int $times;
+ $format .= $config{style};
+ $width -= c_length($format);
+ $string x= $times;
+ chop $string while length $string && c_length($string) > $width;
+ return $format . $string;
+}
+
+sub remove_all_trackbars {
+ for my $window (Irssi::windows) {
+ next unless ref $window;
+ remove_one_trackbar($window);
+ }
+}
+
+sub UNLOAD {
+ remove_all_trackbars();
+}
+
+sub redraw_trackbars {
+ return unless check_version();
+ for my $win (@_ ? @_ : Irssi::windows) {
+ next unless ref $win;
+ my $view = $win->view;
+ my $line = $view->get_bookmark('trackbar');
+ next unless $line;
+ my $bottom = $view->{bottom};
+ $win->print_after($line, MSGLEVEL_NEVER, line($win->{width}, $line->{info}{time}),
+ $line->{info}{time});
+ $view->set_bookmark('trackbar', $win->last_line_insert);
+ $view->redraw;
+ $view->remove_line($line);
+ $win->command('^scrollback end') if $bottom && !$win->view->{bottom};
+ $view->redraw;
+ }
+}
+
+sub goto_trackbar {
+ my $win = Irssi::active_win;
+ my $line = $win->view->get_bookmark('trackbar');
+
+ if ($line) {
+ $win->command("scrollback goto ". strftime("%d %H:%M:%S", localtime($line->{info}{time})));
+ } else {
+ $win->printformat(MSGLEVEL_CLIENTCRAP, 'trackbar_not_found');
+ }
+}
+
+sub cmd_mark {
+ update_one_trackbar(Irssi::active_win, undef, 1);
+}
+
+sub cmd_markall {
+ for my $window (Irssi::windows) {
+ next unless ref $window;
+ update_one_trackbar($window);
+ }
+}
+
+sub signal_stop {
+ Irssi::signal_stop;
+}
+
+sub cmd_markvisible {
+ my @wins = Irssi::windows;
+ my $awin =
+ my $bwin = Irssi::active_win;
+ my $awin_counter = 0;
+ Irssi::signal_add_priority('window changed' => 'signal_stop', -99);
+ do {
+ Irssi::active_win->command('window up');
+ $awin = Irssi::active_win;
+ update_one_trackbar($awin);
+ ++$awin_counter;
+ } until ($awin->{refnum} == $bwin->{refnum} || $awin_counter >= @wins);
+ Irssi::signal_remove('window changed' => 'signal_stop');
+}
+
+sub cmd_trackbar_remove_one {
+ remove_one_trackbar(Irssi::active_win);
+}
+
+sub cmd_remove_all_trackbars {
+ remove_all_trackbars();
+ Irssi::printformat(MSGLEVEL_CLIENTCRAP, 'trackbar_all_removed');
+}
+
+sub cmd_keep_once {
+ $keep_trackbar{ Irssi::active_win->{_irssi} } = 1;
+}
+
+sub trackbar_runsub {
+ my ($data, $server, $item) = @_;
+ $data =~ s/\s+$//g;
+
+ if ($data) {
+ Irssi::command_runsub('trackbar', $data, $server, $item);
+ } else {
+ goto_trackbar();
+ }
+}
+
+sub update_config {
+ my $was_status_window = $config{use_status_window};
+ $config{style} = Irssi::settings_get_str('trackbar_style');
+ $config{string} = Irssi::settings_get_str('trackbar_string');
+ $config{require_seen} = Irssi::settings_get_bool('trackbar_require_seen');
+ $config{ignore_windows} = [ split /[,\s]+/, Irssi::settings_get_str('trackbar_ignore_windows') ];
+ $config{use_status_window} = Irssi::settings_get_bool('trackbar_use_status_window');
+ $config{print_timestamp} = Irssi::settings_get_bool('trackbar_print_timestamp');
+ if (defined $was_status_window && $was_status_window != $config{use_status_window}) {
+ if (my $swin = Irssi::window_find_name('(status)')) {
+ if ($config{use_status_window}) {
+ update_one_trackbar($swin);
+ }
+ else {
+ remove_one_trackbar($swin);
+ }
+ }
+ }
+ if ($config{print_timestamp}) {
+ my $ts_format = Irssi::settings_get_str('timestamp_format');
+ my $ts_theme = Irssi::current_theme->get_format('fe-common/core', 'timestamp');
+ my $render_str = Irssi::current_theme->format_expand($ts_theme);
+ (my $ts_escaped = $ts_format) =~ s/([%\$])/$1$1/g;
+ $render_str =~ s/(?|\$(.)(?!\w)|\$\{(\w+)\})/$1 eq 'Z' ? $ts_escaped : $1/ge;
+ $config{timestamp_str} = $render_str;
+ }
+ redraw_trackbars() unless $old_irssi;
+}
+
+Irssi::settings_add_str('trackbar', 'trackbar_string', is_utf8() ? "\x{2500}" : '-');
+Irssi::settings_add_str('trackbar', 'trackbar_style', '%K');
+Irssi::settings_add_str('trackbar', 'trackbar_ignore_windows', '');
+Irssi::settings_add_bool('trackbar', 'trackbar_use_status_window', 1);
+Irssi::settings_add_bool('trackbar', 'trackbar_print_timestamp', 0);
+Irssi::settings_add_bool('trackbar', 'trackbar_require_seen', 0);
+
+update_config();
+
+Irssi::signal_add_last( 'mainwindow resized' => 'redraw_trackbars')
+ unless $old_irssi;
+
+Irssi::signal_register({'window trackbar added' => [qw/Irssi::UI::Window/]});
+Irssi::signal_register({'window trackbar seen' => [qw/Irssi::UI::Window/]});
+Irssi::signal_register({'gui page scrolled' => [qw/Irssi::UI::Window/]});
+Irssi::signal_add_last('gui page scrolled' => 'trackbar_update_seen');
+
+Irssi::signal_add('setup changed' => 'update_config');
+Irssi::signal_add_priority('session save' => 'remove_all_trackbars', Irssi::SIGNAL_PRIORITY_HIGH-1);
+
+Irssi::signal_add('window changed' => 'sig_window_changed');
+
+Irssi::command_bind('trackbar goto' => 'goto_trackbar');
+Irssi::command_bind('trackbar keep' => 'cmd_keep_once');
+Irssi::command_bind('trackbar mark' => 'cmd_mark');
+Irssi::command_bind('trackbar markvisible' => 'cmd_markvisible');
+Irssi::command_bind('trackbar markall' => 'cmd_markall');
+Irssi::command_bind('trackbar remove' => 'cmd_trackbar_remove_one');
+Irssi::command_bind('trackbar removeall' => 'cmd_remove_all_trackbars');
+Irssi::command_bind('trackbar redraw' => 'redraw_trackbars');
+Irssi::command_bind('trackbar' => 'trackbar_runsub');
+Irssi::command_bind('mark' => 'cmd_mark');
+Irssi::command_bind_last('help' => 'cmd_help');
+
+Irssi::printformat(MSGLEVEL_CLIENTCRAP, 'trackbar_loaded', $IRSSI{name}, $VERSION, $IRSSI{authors});
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 18:59:10 +0000