#! /usr/bin/perl # $Id$ # Copyright (C) 2001-2004 Mandrakesoft # Yves Duret # some code is Copyright: (C) 1999, Michael T. Babcock # # 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # TODO: consider switching from TreeView to gtkhtml use strict; use lib qw(/usr/lib/libDrakX); use standalone; #- warning, standalone must be loaded very first, for 'explanations' use common; use interactive; use ugtk2 qw(:create :dialogs :helpers :wrappers); use vars qw(*F); my $in = 'interactive'->vnew('su'); my ($isExplain, $Explain, $isFile, $File, $isWord, $Word); #- parse arguments list. foreach (@ARGV) { /^--explain=(.*)$/ and do { $isExplain = ($Explain) = $1; $isFile = 1; $File = "/var/log/explanations"; next }; /^--file=(.*)$/ and do { $isFile = ($File) = $1; next }; /^--word=(.*)$/ and do { $isWord = ($Word) = $1; next }; /^--alert$/ and do { alert_config(); quit() }; } my $isTail = 1 if $isFile; $| = 1 if $isTail; my $h = chomp_(`hostname -s`); $ugtk2::wm_icon = "logdrake"; my $explain_title = N("Mandrakelinux Tools Logs"); my $my_win = ugtk2->new($isExplain ? $explain_title : N("Logdrake")); unless ($::isEmbedded) { $my_win->{window}->set_border_width(5); #$my_win->{window}->set_default_size(540,460); } $my_win->{window}->signal_connect(delete_event => \&quit); my $cal = gtkset_sensitive(Gtk2::Calendar->new, 0); my $mday = (localtime(time()))[3]; $cal->select_day($mday); my @months = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec); my $cal_mode = 0; my $cal_butt = gtksignal_connect(Gtk2::CheckButton->new(N("Show only for the selected day")), clicked => sub { $cal_mode = !$cal_mode; gtkset_sensitive($cal,$cal_mode) }); ### menus definition # the menus are not shown # but they provides shiny shortcut like C-q my @menu_items = ( { path => N("/_File"), item_type => '' }, { path => N("/File/_New"), accelerator => N("N") }, { path => N("/File/_Open"), accelerator => N("O") }, { path => N("/File/_Save"), accelerator => N("S"), callback => \&save }, { path => N("/File/Save _As") }, { path => N("/File/-"), item_type => '' }, { path => N("/File/_Quit"), accelerator => N("Q"), callback => \&quit }, { path => N("/_Options"), item_type => '' }, { path => N("/Options/Test") }, { path => N("/_Help"), item_type => '' }, { path => N("/Help/_About...") } ); my $_menubar = create_factory_menu($my_win->{rwindow}, @menu_items) unless $::isEmbedded; ######### menus end ########## font and colors # Define global terms: # Define good notables: my @word_good = ("starting\n", "Freeing", "Detected", "starting.", "accepted.\n", "authenticated.\n", "Ready", "active", "reloading", "saved;", "restarting", "ONLINE\n"); my @word_warn = ("dangling", "closed.\n", "Assuming", "root", "root\n", "exiting\n", "missing", "Ignored", "adminalert:", "deleting", "OFFLINE\n"); my @word_bad = "bad"; my @word_note = ("LOGIN", "DHCP_OFFER", "optimized", "reset:", "unloaded", "disconnected", "connect", "Successful", "registered\n"); #my @line_good = ("up", "DHCP_ACK", "Cleaned", "Initializing", "Starting", "success", "successfully", "alive", "found", "ONLINE\n"); #my @line_warn = ("warning:", "WARNING:", "invalid", "obsolete", "bad", "Password", "detected", "timeout", "timeout:", "attackalert:", "wrong", "Lame", "FAILED", "failing", "unknown", "obsolete", "stopped.\n", "terminating.", "disabled\n", "disabled", "Lost"); #my @line_bad = ("DENY", "lost", "shutting", "dead", "DHCP_NAK", "failure;", "Unable", "inactive", "terminating", "refused", "rejected", "down", "OFFLINE\n", "error\n", "ERROR\n", "ERROR:", "error", "ERROR", "error:", "failed:"); # Now define what we want to use when: my $col_good = 'green4'; my $col_warn = 'yellow4'; my $col_bad = 'red'; my $col_note = 'purple'; my $col = 'darkcyan'; ######### font and colors end my %files = ( "auth" => { file => "/var/log/auth.log", desc => N("_:this is the auth.log log file\nAuthentication") }, "user" => { file => "/var/log/user.log", desc => N("_:this is the user.log log file\nUser") }, "messages" => { file => "/var/log/messages", desc => N("_:this is the /var/log/messages log file\nMessages") }, "syslog" => { file => "/var/log/syslog", desc => N("_:this is the /var/log/syslog log file\nSyslog") }, "explanations" => { file => "/var/log/explanations", desc => $explain_title } ); my $yy = gtkset_sensitive(gtksignal_connect(Gtk2::Button->new(N("search")) , clicked => \&search),0); my $log_text = gtktext_insert(Gtk2::TextView->new, [ [ '' ] ]); my $log_buf = $log_text->get_buffer; my $refcount_search; #### far from window my %toggle; gtkadd($my_win->{window}, gtkpack_(Gtk2::VBox->new(0,0), if_(!$isExplain && !$::isEmbedded, 0, N("A tool to monitor your logs")), if_(!$isFile, 0, gtkadd(Gtk2::Frame->new(N("Settings")), gtkpack__(Gtk2::VBox->new(0,2), gtkpack__(Gtk2::VBox->new(0,2), # N("Show lines"), gtkpack__(Gtk2::HBox->new(0,0), " " . N("Matching") . " ", my $e_yes = Gtk2::Entry->new, " " . N("but not matching") . " ", my $e_no = Gtk2::Entry->new ) ), gtkpack_(Gtk2::HBox->new(0,0), 1, gtkadd(gtkset_border_width(Gtk2::Frame->new(N("Choose file")),2), gtkpack(gtkset_border_width(Gtk2::VBox->new(0,0),0), map { $toggle{$_} = gtksignal_connect(Gtk2::CheckButton->new($files{$_}{desc}), clicked => sub { $refcount_search++; gtkset_sensitive($yy, $refcount_search); }) } sort keys %files, ) ), 0, gtkadd(gtkset_border_width(Gtk2::Frame->new(N("Calendar")),2), gtkpack__(gtkset_border_width(Gtk2::VBox->new(0,0),5), $cal_butt, $cal ) ) ), $yy, ) ) ), !$isExplain ? (1, gtkadd(Gtk2::Frame->new(N("Content of the file")), create_scrolled_window($log_text) )) : (1, create_scrolled_window($log_text)), if_(!$isExplain, 0, gtkadd(gtkset_border_width(gtkset_layout(Gtk2::HButtonBox->new, 'end'), 5), if_(!$isFile, gtksignal_connect(Gtk2::Button->new(N("Mail alert")), clicked => sub { eval { alert_config() }; my $err = $@; $::WizardWindow->destroy if defined $::WizardWindow; undef $::WizardWindow; if ($err && $err !~ /wizcancel/) { err_dialog(N("Error"), N("The alert wizard has failed unexpectedly:") . "\n\n" . $err); } })), gtksignal_connect(Gtk2::Button->new(N("Save")), clicked => \&save), gtksignal_connect(Gtk2::Button->new($::isEmbedded ? N("Cancel") : N("Quit")), clicked => \&quit) ) ) ) ); $isFile && !$::isEmbedded and gtkset_size_request($log_text, 400, 500); $my_win->{window}->show_all; search() if $isFile; $my_win->main; sub quit() { ugtk2->exit(0) } #------------------------------------------------------------- # search functions #------------------------------------------------------------- sub search() { return if !$log_text->window; $log_text->window->freeze_updates; $log_buf->set_text(''); if ($isFile) { parse_file($File, $File); } else { foreach (keys %files) { parse_file($files{$_}{file}, $files{$_}{desc}) if $toggle{$_}->get_active; } } $log_text->window->thaw_updates; $log_text->show; gtkflush(); } my $timer; my @logs; my $F; sub parse_file { my ($file, $descr) = @_; $file =~ s/\.gz$//; my ($pbar, $win_pb); unless ($::isEmbedded && $isExplain) { gtkadd($win_pb = gtkset_modal(Gtk2::Window->new('toplevel'), 1), gtkpack(Gtk2::VBox->new(2,0), Gtk2::Label->new(" " . N("please wait, parsing file: %s", $descr) . " "), $pbar = Gtk2::ProgressBar->new ) ); $win_pb->set_transient_for($my_win->{rwindow}) unless $::isEmbedded; $win_pb->set_position('center'); $win_pb->realize; $win_pb->show_all; gtkflush(); } my $ey = $e_yes->get_chars(0, -1); my $en = $e_no->get_chars(0, -1); $ey =~ s/ OR /|/; $ey =~ s/^\*$//; $en =~ s/^\*$/.*/; $ey = $ey . $Word if $isWord; if ($cal_mode) { my (undef, $month, $day) = $cal->get_date; $ey = $months[$month]."\\s{1,2}$day\\s.*$ey.*\n"; } my @all = catMaybeCompressed($file); if ($isExplain) { my (@t, $t); while (@all) { $t = pop @all; next if $t =~ /logdrake/; last if $t !~ /$Explain/; push @t, $t; } @all = reverse @t; } my $taille = @all; my $i = 0; my $test; if ($en && !$ey) { $test = sub { !/$en/ }; } elsif ($ey && !$en) { $test = sub { /$ey/ }; } else { $test = sub { /$ey/ && !/$en/ }; } foreach (@all) { $i++; if ($pbar && $i % 10) { $pbar->set_fraction($i/$taille); $win_pb->window->process_updates(1); # no gtkflush() because we do not want to refresh the TextView } logcolorize($_) if $test->(); } $win_pb->destroy if !$::isEmbedded || !$isExplain; if ($isTail) { close $F; open $F, $file or die "E: $!"; local $_; while (<$F>) {}; #to prevent to output the file twice.. # $log_text->set_point($log_text->get_length()); $timer ||= Glib::Timeout->add(1000, sub { logcolorize($_) while <$F>; seek $F, 0, 1; }); } insert_text_n_scroll(); } ########################################################################################## sub logcolorize { local $_ = shift; #my ($data) = @_; # we get date & time if it is date & time (dmesg) s/(\D{3} .. (\d\d:\d\d:\d\d ))//; my $timestamp = $isExplain ? $2 : $1; my @rec = split; log_output($timestamp, 'Bold', 'darkcyan'); # date & time if any... # BUG: $col hasn't yet be reseted $isExplain or log_output("$rec[0] ", 'Bold', $rec[0] eq $h ? 'blue' : $col); # hostname if ($rec[1] eq "last") { log_output(" last message repeated ", undef, 'green'); log_output($rec[4], 'Bold', 'green'); log_output(" times\n", undef, 'green'); return; } # Extract PID if present if ($rec[1] =~ /\[(\d+)\]:/) { my $pid = $1; $rec[1] =~ s/\[$1\]://; log_output($rec[1] . "[", undef, 'green'); log_output($pid, 'Bold', 'black'); log_output("]: ", undef, 'green'); } else { log_output($rec[1] . " ", undef, 'green'); } foreach my $therest (2 .. $#rec) { $col = 'darkcyan'; # Check for keywords to highlight foreach (@word_good) { $col = $col_good if $_ eq $rec[$therest] } foreach (@word_warn) { $col = $col_warn if $_ eq $rec[$therest] } foreach (@word_bad) { $col = $col_bad if $_ eq $rec[$therest] } foreach (@word_note) { $col = $col_note if $_ eq $rec[$therest] } # Watch for words that indicate entire lines should be highlighted #foreach (@line_good) { $col = $col_good if $_ eq $rec[$therest] } #foreach (@line_warn) { $col = $col_warn if $_ eq $rec[$therest] } #foreach (@line_bad) { $col = $col_bad if $_ eq $rec[$therest] } log_output("$rec[$therest] ", undef, $col); } log_output("\n", undef, 'black'); insert_text_n_scroll() if $isExplain; } # log_output (Gtk2::TextView, [ [ ... ] ]) sub log_output { my ($text, $font, $col) = @_; my $tag = join('', $font, $col); push @logs, [ $text, $tag ]; $log_buf->{tags}{$tag} ||= { if_($font, font => $font), foreground => $col }; } sub insert_text_n_scroll() { ugtk2::gtktext_insert($log_text, \@logs, { append => !($isExplain || $isTail) }); $log_text->scroll_to_iter($log_buf->get_end_iter, 0, 1, 0.5, 0.5); undef @logs; } #------------------------------------------------------------- # mail/sms alert #------------------------------------------------------------- sub alert_config() { local $::isEmbedded = 0; undef $::WizardTable; undef $::WizardWindow; my $conffile = "/etc/sysconfig/mail_alert"; my %options = getVarsFromSh($conffile); $options{LOAD} ||= 3; $options{MAIL} ||= "root"; $options{SMTP} ||= "localhost"; my $service = { httpd => N("Apache World Wide Web Server"), bind => N("Domain Name Resolver"), ftp => N("Ftp Server"), postfix => N("Postfix Mail Server"), samba => N("Samba Server"), sshd => N("SSH Server"), webmin => N("Webmin Service"), xinetd => N("Xinetd Service") }; my @installed_d = grep { -e "/etc/init.d/$_" } sort keys %$service; my %services_to_check = map { $_ => 1 } split(':', $options{SERVICES}); $::isWizard = 1; use wizards; my $w = wizards->new; my $mode; my $cron_file = "/etc/cron.hourly/logdrake_service"; my %modes = ( configure => N("Configure the mail alert system"), disable => N("Stop the mail alert system"), ); my $wiz = { defaultimage => "logdrake.png", name => N("Mail alert"), pages => { welcome => { name => N("Mail alert configuration") . "\n\n" . N("Welcome to the mail configuration utility.\n\nHere, you'll be able to set up the alert system.\n"), no_back => 1, data => [ { val => \$mode, label => N("What do you want to do?"), list => [ keys %modes ], format => sub { $modes{$_[0]} }, }, ], post => sub { $mode eq 'configure' ? 'services' : 'stop' }, }, services => { name => N("Services settings") . "\n\n" . N("You will receive an alert if one of the selected services is no longer running"), data => [ map { { label => $_, val => \$services_to_check{$_}, type => "bool", text => $service->{$_} } } @installed_d ], next => "load", }, load => { #PO- Here "load" is a noun; that is load refers to the system/CPU) load name => N("Load setting") . "\n\n" . N("You will receive an alert if the load is higher than this value"), data => [ { label => N("_: load here is a noun, the load of the system\nLoad"), val => \$options{LOAD}, type => 'range', min => 1, max => 50 } ], next => "email", }, email => { name => N("Alert configuration") . "\n\n" . N("Please enter your email address below ") . "\n" . N("and enter the name (or the IP) of the SMTP server you whish to use"), data => [ { label => "Email address", val => \$options{MAIL} }, { label => "Email server", val => \$options{SMTP} }, ], complete => sub { if ($options{MAIL} !~ /[\w.-]*\@[\w.-]/ && !member($options{MAIL}, map { $_->[0] } list_passwd())) { err_dialog(N("Error"), N("\"%s\" neither is a valid email nor is an existing local user!", $options{MAIL})); return 1; } if (member($options{MAIL}, map { $_->[0] } list_passwd()) && $options{SMP} !~ /localhost/) { err_dialog(N("Error"), N("\"%s\" is a local user, but you did not select a local smtp, so you must use a complete email address!", $options{MAIL})); return 1; } }, next => "end", }, end => { name => N("Congratulations") . "\n\n" . N("The wizard successfully configured the mail alert."), end => 1, no_back => 1, }, stop => { pre => sub { eval { rm_rf($cron_file) } }, name => N("Congratulations") . "\n\n" . N("The wizard successfully disabled the mail alert."), end => 1, no_back => 1, }, }, }; $w->process($wiz, $in); return if $mode eq 'disable'; $options{SERVICES} = join ':', grep { $services_to_check{$_} } sort keys %services_to_check; use Data::Dumper; output_with_perm $cron_file, 0755, q(#!/usr/bin/perl # generated by logdrake use MDK::Common; my $r; my %options = getVarsFromSh("/etc/sysconfig/mail_alert"); #- check services my ) . Data::Dumper->Dump([ $service ], [qw(*services)]) . q( foreach (split(':', $options{SERVICES})) { next unless $services{$_}; $r .= "Service $_ ($services{$_} is not running)\\n" unless -e "/var/lock/subsys/$_"; } #- load my ($load) = split ' ', first(cat_("/proc/loadavg")); $r .= "Load is huge: $load\n" if $load > $options{LOAD}; #- report it if ($r) { use Mail::Mailer; my $mailer = Mail::Mailer->new('smtp', Server => $options{SMTP}); $mailer->open({ From => 'root@localhost', To => $options{MAIL}, Subject => "DrakLog Mail Alert", }) or die "Can't open: $!\n"; print $mailer $r; $mailer->close; } # EOF); setVarsInSh($conffile, \%options); if (defined $::WizardWindow) { $::WizardWindow->destroy; undef $::WizardWindow; } } #------------------------------------------------------------- # menu callback functions #------------------------------------------------------------- sub save() { $::isWizard = 0; my $y = $in->ask_file(N("Save as.."), "/root") or return; my $buf = $log_text->get_buffer; output($y, $buf->get_text(($buf->get_bounds), 0)); } f='#n415'>415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815

package interactive::gtk; # $Id$

use diagnostics;
use strict;
use vars qw(@ISA);

@ISA = qw(interactive);

use interactive;
use common;
use mygtk2;
use ugtk2 qw(:helpers :wrappers :create);
use Gtk2::Gdk::Keysyms;

my $forgetTime = 1000; #- in milli-seconds

sub new {
    ($::windowwidth, $::windowheight) = gtkroot()->get_size if !$::isInstall;
    goto &interactive::new;
}
sub enter_console { my ($o) = @_; $o->{suspended} = common::setVirtual(1) }
sub leave_console { my ($o) = @_; common::setVirtual(delete $o->{suspended}) }

sub exit { ugtk2::exit(@_) }

sub ask_fileW {
    my ($in, $common) = @_;

    my $w = ugtk2::create_file_selector(%$common);

    my $file;
    $w->main(sub { 
	$file = $w->{chooser}->get_filename;
	my $err = ugtk2::file_selected_check($common->{save}, $common->{want_a_dir}, $file);
	$err and $in->ask_warn('', $err);
	!$err;
    }) && $file;
}

sub create_boxradio {
    my ($e, $may_go_to_next, $changed, $double_click) = @_;

    my $boxradio = gtkshow(gtkpack2__(Gtk2::VBox->new(0, 0),
                                      my @radios = gtkradio('', @{$e->{formatted_list}})));
    my $tips = Gtk2::Tooltips->new;
    mapn {
	my ($txt, $w) = @_;
	$w->signal_connect(button_press_event => $double_click) if $double_click;

	$w->signal_connect(key_press_event => sub {
	    &$may_go_to_next;
	});
	$w->signal_connect(clicked => sub {
 	    ${$e->{val}} = $txt;
	    &$changed;
        });
	if ($e->{help}) {
	    gtkset_tip($tips, $w,
		       ref($e->{help}) eq 'HASH' ? $e->{help}{$txt} :
		       ref($e->{help}) eq 'CODE' ? $e->{help}($txt) : $e->{help});
	}
    } $e->{list}, \@radios;

    $boxradio, sub {
	my ($v, $full_struct) = @_;
	mapn { 
	    $_[0]->set_active($_[1] eq $v);
	    $full_struct->{focus_w} = $_[0] if $_[1] eq $v;
	} \@radios, $e->{list};
    }, $radios[0];
}

sub create_treeview_list {
    my ($e, $may_go_to_next, $changed, $double_click) = @_;
    my $curr;

    my $list = Gtk2::ListStore->new("Glib::String");
    my $list_tv = Gtk2::TreeView->new_with_model($list);
    $list_tv->set_headers_visible(0);
    $list_tv->get_selection->set_mode('browse');
    my $textcolumn = Gtk2::TreeViewColumn->new_with_attributes(undef, Gtk2::CellRendererText->new, 'text' => 0);
    $list_tv->append_column($textcolumn);
    
    my $select = sub {
	$list_tv->set_cursor($_[0], undef, 0);
    	$list_tv->scroll_to_cell($_[0], undef, 1, 0.5, 0);
    };

    my ($starting_word, $start_reg) = ('', '^');
    my $timeout;
    $list_tv->set_enable_search(0);
    $list_tv->signal_connect(key_press_event => sub {
        my ($_w, $event) = @_;
	my $c = chr($event->keyval & 0xff);

	Glib::Source->remove($timeout) if $timeout; $timeout = '';
	
	if ($event->keyval >= 0x100) {
	    &$may_go_to_next if member($event->keyval, ($Gtk2::Gdk::Keysyms{Return}, $Gtk2::Gdk::Keysyms{KP_Enter}));
	    $starting_word = '' if !member($event->keyval, ($Gtk2::Gdk::Keysyms{Control_L}, $Gtk2::Gdk::Keysyms{Control_R}));
	} else {
	    if (member('control-mask', @{$event->state})) {
		$c eq 's' or return 1;
		$start_reg and $start_reg = '', return 1;
		$curr++;
	    } else {
		&$may_go_to_next if $c eq ' ';

		$curr++ if $starting_word eq '' || $starting_word eq $c;
		$starting_word .= $c unless $starting_word eq $c;
	    }
	    my @l = @{$e->{formatted_list}};
	    my $word = quotemeta $starting_word;
	    my $j; for ($j = 0; $j < @l; $j++) {
		 $l[($j + $curr) % @l] =~ /$start_reg$word/i and last;
	    }
	    if ($j == @l) {
		$starting_word = '';
	    } else {
		$select->(Gtk2::TreePath->new_from_string(($j + $curr) % @l));
	    }

	    $timeout = Glib::Timeout->add($forgetTime, sub { $timeout = $starting_word = ''; 0 });
	}
	0;
    });
    $list_tv->show;

    $list->append_set([ 0 => $_ ]) foreach @{$e->{formatted_list}};

    $list_tv->get_selection->signal_connect(changed => sub {
	my ($model, $iter) = $_[0]->get_selected;
	$model && $iter or return;
	my $row = $model->get_path_str($iter);
	${$e->{val}} = $e->{list}[$curr = $row];
	&$changed;
    });
    $list_tv->signal_connect(button_press_event => $double_click) if $double_click;

    $list_tv, sub {
	my ($v) = @_;
	eval {
	    my $nb = find_index { $_ eq $v } @{$e->{list}};
	    my ($old_path) = $list_tv->get_cursor;
	    if (!$old_path || $nb != $old_path->to_string) {
		$select->(Gtk2::TreePath->new_from_string($nb));
	    }
	    undef $old_path if $old_path;
	};
    };
}

sub __create_tree_model {
    my ($e) = @_;

    my $sep = quotemeta $e->{separator};
    my $tree_model = Gtk2::TreeStore->new("Glib::String", "Gtk2::Gdk::Pixbuf", "Glib::String");

    my ($build_value, $clean_image);
    if (exists $e->{image2f}) {
	my $to_unref;
	$build_value = sub {
	    my ($text, $image) = $e->{image2f}->($_[0]);
	    [ $text  ? (0 => $text) : @{[]},
	      $image ? (1 => $to_unref = gtkcreate_pixbuf($image)) : @{[]} ];
	};
	$clean_image = sub { undef $to_unref };
    } else {
	$build_value = sub { [ 0 => $_[0] ] };
	$clean_image = sub {};
    }

    my (%wtree, %wleaves, $size, $index);
    my $parent; $parent = sub {