aboutsummaryrefslogtreecommitdiffstats
path: root/Rpmdrake/gui.pm
blob: 9e8794a9dae56d7333de7dc8761168c3a6b65890 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
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
package Rpmdrake::gui;
#*****************************************************************************
#
#  Copyright (c) 2002 Guillaume Cottenceau
#  Copyright (c) 2002-2007 Thierry Vignaud <tvignaud@mandriva.com>
#  Copyright (c) 2003, 2004, 2005 MandrakeSoft SA
#  Copyright (c) 2005-2007 Mandriva SA
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License version 2, as
#  published by the Free Software Foundation.
#
#  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.
#
#*****************************************************************************
#
# $Id$

use strict;
our @ISA = qw(Exporter);
use lib qw(/usr/lib/libDrakX);

use common;
use mygtk2 qw(gtknew); #- do not import gtkadd which conflicts with ugtk2 version

use ugtk2 qw(:helpers :wrappers);
use rpmdrake;
use Rpmdrake::formatting;
use Rpmdrake::init;
use Rpmdrake::icon;
use Rpmdrake::pkg;
use Rpmdrake::icon;
use Gtk2::Gdk::Keysyms;

our @EXPORT = qw(ask_browse_tree_given_widgets_for_rpmdrake build_tree callback_choices closure_removal compute_main_window_size do_action get_info is_locale_available node_state pkgs_provider reset_search set_node_state switch_pkg_list_mode toggle_all toggle_nodes
            $clear_button %grp_columns %pkg_columns $dont_show_selections @filtered_pkgs $find_entry $force_displaying_group $force_rebuild @initial_selection $pkgs $size_free $size_selected $urpm);

our $dont_show_selections = $> ? 1 : 0;

our ($descriptions, @filtered_pkgs, %filter_methods, $force_displaying_group, $force_rebuild, @initial_selection, $pkgs, $size_free, $size_selected, $urpm);

our %grp_columns = (
    label => 0,
    icon => 2,
);

our %pkg_columns = (
    text => 0,
    state_icon => 1,
    state => 2,
    selected => 3,
);


sub compute_main_window_size {
    my ($w) = @_;
    ($typical_width) = string_size($w->{real_window}, translate("Graphical Environment") . "xmms-more-vis-plugins");
    $typical_width > 600 and $typical_width = 600;  #- try to not being crazy with a too large value
    $typical_width < 150 and $typical_width = 150;
}


sub format_pkg_simplifiedinfo {
    my ($pkgs, $key, $urpm, $descriptions) = @_;
    my ($name, $version) = split_fullname($key);
    my $raw_medium = pkg2medium($pkgs->{$key}{pkg}, $urpm);
    my $medium = $raw_medium ? $raw_medium->{name} : undef;
    my $update_descr = $pkgs->{$key}{pkg}->flag_upgrade && $descriptions->{$name}{pre} && $descriptions->{$name}{medium} eq $medium;
    my $summary = translate(to_utf8($pkgs->{$key}{summary}));
    my $s = ugtk2::markup_to_TextView_format(join("\n", format_header(join(' - ', $name, (utf8::valid($summary) ? $summary : ()))) .
      # workaround gtk+ bug where GtkTextView wronly limit embedded widget size to bigger line's width (#25533):
                                                      "\x{200b} \x{feff}" . ' ' x 120,
      if_($update_descr, # is it an update?
	  format_field(N("Importance: ")) . eval { escape_text_for_TextView_markup_format($descriptions->{$name}{importance}) },
	  format_field(N("Reason for update: ")) . eval { escape_text_for_TextView_markup_format(rpm_description($descriptions->{$name}{pre})) },
      ),
      '')); # extra empty line
    if ($update_descr) {
        push @$s, [ my $link = gtkshow(Gtk2::LinkButton->new($descriptions->{$name}{URL}, N("Security advisory"))) ];
        $link->set_uri_hook(sub {
            my (undef, $url) = @_;
            run_program::raw({ detach => 1 }, 'www-browser', $url);
        });
      }

    push @$s, @{ ugtk2::markup_to_TextView_format(join("\n",
      (eval { escape_text_for_TextView_markup_format($pkgs->{$key}{description} || $descriptions->{$name}{description}) } || '<i>' . N("No description") . '</i>')
    )) };
    push @$s, [ "\n" ];
    push @$s, [ gtkadd(gtkshow(my $exp0 = Gtk2::Expander->new(format_field(N("Details:")))),
                       gtknew('TextView', text => ugtk2::markup_to_TextView_format(
                           join("\n",
                                format_field(N("Version: ")) . $version,
                                
                                ($pkgs->{$key}{pkg}->flag_installed ?
                                   format_field(N("Currently installed version: ")) . eval { find_installed_version($pkgs->{$key}{pkg}) }
                                     : ()
                                 ),
                                format_field(N("Architecture: ")) . $pkgs->{$key}{pkg}->arch,
                                format_field(N("Size: ")) . N("%s KB", int($pkgs->{$key}{pkg}->size/1024)),
                                eval { format_field(N("Medium: ")) . $raw_medium->{name} },
                            ),
                       ),
                   )) ];
    $exp0->set_use_markup(1);
    push @$s, [ "\n\n" ];
    push @$s, [ gtkadd(gtkshow(my $exp = Gtk2::Expander->new(format_field(N("Files:")))),
                       gtknew('TextView', text => 
                                      exists $pkgs->{$key}{files} ?
                                          ugtk2::markup_to_TextView_format('<tt>' . join("\n", map { "\x{200e}$_" } @{$pkgs->{$key}{files}}) . '</tt>') #- to highlight information
                           : N("(Not available)"),
                   )) ];
    $exp->set_use_markup(1);
    push @$s, [ "\n\n" ];
    push @$s, [ gtkadd(gtkshow(my $exp2 = Gtk2::Expander->new(format_field(N("Changelog:")))),
                       gtknew('TextView', text => $pkgs->{$key}{changelog} || N("(Not available)"))
                   ) ];
    $exp2->set_use_markup(1);
    $s;

}

sub format_pkg_info {
    my ($pkgs, $key, $urpm, $descriptions) = @_;
    my ($name, $version) = split_fullname($key);
    my @files = (
	format_field(N("Files:\n")),
	exists $pkgs->{$key}{files}
	    ? '<tt>' . join("\n", map { "\x{200e}$_" } @{$pkgs->{$key}{files}}) . '</tt>' #- to highlight information
	    : N("(Not available)"),
    );
    my @chglo = (format_field(N("Changelog:\n")), ($pkgs->{$key}{changelog} ? @{$pkgs->{$key}{changelog}} : N("(Not available)")));
    my @source_info = (
	$MODE eq 'remove' || !@$max_info_in_descr
	    ? ()
	    : (
		format_field(N("Medium: ")) . pkg2medium($pkgs->{$key}{pkg}, $urpm)->{name},
		format_field(N("Currently installed version: ")) . find_installed_version($pkgs->{$key}{pkg}),
	    )
    );
    my @max_info = @$max_info_in_descr && $changelog_first ? (@chglo, @files) : (@files, '', @chglo);
    ugtk2::markup_to_TextView_format(join("\n", format_field(N("Name: ")) . $name,
      format_field(N("Version: ")) . $version,
      format_field(N("Architecture: ")) . $pkgs->{$key}{pkg}->arch,
      format_field(N("Size: ")) . N("%s KB", int($pkgs->{$key}{pkg}->size/1024)),
      if_(
	  $MODE eq 'update',
	  format_field(N("Importance: ")) . $descriptions->{$name}{importance}
      ),
      @source_info,
      '', # extra empty line
      format_field(N("Summary: ")) . $pkgs->{$key}{summary},
      '', # extra empty line
      if_(
	  $MODE eq 'update',
	  format_field(N("Reason for update: ")) . rpm_description($descriptions->{$name}{pre}),
      ),
      format_field(N("Description: ")), ($pkgs->{$key}{description} || $descriptions->{$name}{description} || N("No description")),
      @max_info,
    ));
}

sub node_state {
    my $pkg = $pkgs->{$_[0]};
    my $urpm_obj = $pkg->{pkg};
    #- checks $_[0] -> hack for partial tree displaying
    $_[0] ? $pkg->{selected} ?
      ($urpm_obj->flag_installed ? ($urpm_obj->flag_upgrade ? 'to_install' : 'to_remove') : 'to_install')
        : ($urpm_obj->flag_installed ? 
             ($urpm_obj->flag_upgrade ? 'to_update' : ($urpm_obj->flag_base ? 'base' : 'installed'))
               : 'uninstalled') : 'XXX';
}

my ($common, $w, %wtree, %ptree, %pix);

sub set_node_state {
    my ($iter, $state, $model) = @_;
    ($state eq 'XXX' || !$state) and return;
    $pix{$state} ||= gtkcreate_pixbuf('state_' . $state);
    $model->set($iter, $pkg_columns{state_icon} => $pix{$state});
    $model->set($iter, $pkg_columns{state} => $state);
    $model->set($iter, $pkg_columns{selected} => to_bool(member($state, qw(base installed to_install)))); #$pkg->{selected}));
}

sub set_leaf_state {
    my ($leaf, $state, $model) = @_;
    set_node_state($_, $state, $model) foreach @{$ptree{$leaf}};
}

sub grep_unselected { grep { exists $pkgs->{$_} && !$pkgs->{$_}{selected} } @_ }

sub add_parent {
    my ($root, $state) = @_;
    $root or return undef;
    if (my $w = $wtree{$root}) { return $w }
    my $s; foreach (split '\|', $root) {
        my $s2 = $s ? "$s|$_" : $_;
        $wtree{$s2} ||= do {
            my $pixbuf = get_icon($s2, $s);
            my $iter = $w->{tree_model}->append_set($s ? add_parent($s, $state, get_icon($s)) : undef,
                                                    [ $grp_columns{label} => $_, if_($pixbuf, $grp_columns{icon} => $pixbuf) ]);
            $iter;
        };
        $s = $s2;
    }
    set_node_state($wtree{$s}, $state, $w->{tree_model}); #- use this state by default as tree is building. #
    $wtree{$s};
}

sub add_node {
    my ($leaf, $root, $options) = @_;
    my $state = node_state($leaf) or return;
    if ($leaf) {
        my $iter;
        if (is_a_package($leaf)) {
            $iter = $w->{detail_list_model}->append_set([ $pkg_columns{text} => $leaf ]);
            set_node_state($iter, $state, $w->{detail_list_model});
             $ptree{$leaf} = [ $iter ];
        } else {
            $iter = $w->{tree_model}->append_set(add_parent($root, $state), [ $grp_columns{label} => $leaf ]);
            push @{$wtree{$leaf}}, $iter;
        }
    } else {
        my $parent = add_parent($root, $state);
        #- hackery for partial displaying of trees, used in rpmdrake:
        #- if leaf is void, we may create the parent and one child (to have the [+] in front of the parent in the ctree)
        #- though we use '' as the label of the child; then rpmdrake will connect on tree_expand, and whenever
        #- the first child has '' as the label, it will remove the child and add all the "right" children
        $options->{nochild} or $w->{tree_model}->append_set($parent, [ $grp_columns{label} => '' ]); # test $leaf?
    }
}

my ($prev_label);
sub update_size {
    my ($common) = shift @_;
    if ($w->{status}) {
        my $new_label = $common->{get_status}();
        $prev_label ne $new_label and $w->{status}->set($prev_label = $new_label);
    }
}

sub children {
    my ($w) = @_;
    map { $w->{detail_list_model}->get($_, $pkg_columns{text}) } gtktreeview_children($w->{detail_list_model});
}

sub toggle_all {
    my ($common, $_val) = @_;
    my $w = $common->{widgets};
    my @l = children($w) or return;

    my @unsel = grep_unselected(@l);
    my @p = @unsel ?
      #- not all is selected, select all if no option to potentially override
      (exists $common->{partialsel_unsel} && $common->{partialsel_unsel}->(\@unsel, \@l) ? difference2(\@l, \@unsel) : @unsel)
        : @l;
    toggle_nodes($w->{detail_list}->window, $w->{detail_list_model}, \&set_leaf_state, undef, @p);
    update_size($common);
}

# ask_browse_tree_given_widgets_for_rpmdrake will run gtk+ loop. its main parameter "common" is a hash containing:
# - a "widgets" subhash which holds:
#   o a "w" reference on a ugtk2 object
#   o "tree" & "info" references a TreeView
#   o "info" is a TextView
#   o "tree_model" is the associated model of "tree"
#   o "status" references a Label
# - some methods: get_info, node_state, build_tree, partialsel_unsel, grep_unselected, rebuild_tree, toggle_nodes, get_status
# - "tree_submode": the default mode (by group, mandriva choice), ...
# - "state": a hash of misc flags: => { flat => '0' },
#   o "flat": is the tree flat or not
# - "tree_mode": mode of the tree ("mandrake_choices", "by_group", ...) (mainly used by rpmdrake)
          
sub ask_browse_tree_given_widgets_for_rpmdrake {
    ($common) = @_;
    $w = $common->{widgets};

    $w->{detail_list} ||= $w->{tree};
    $w->{detail_list_model} ||= $w->{tree_model};

    $common->{add_parent} = \&add_parent;
    my $clear_all_caches = sub {
	%ptree = %wtree = ();
    };
    $common->{clear_all_caches} = $clear_all_caches;
    $common->{delete_all} = sub {
	$clear_all_caches->();
	$w->{detail_list_model}->clear;
	$w->{tree_model}->clear;
    };
    $common->{rebuild_tree} = sub {
	$common->{delete_all}->();
	$common->{build_tree}($common->{state}{flat}, $common->{tree_mode});
	update_size($common);
    };
    $common->{delete_category} = sub {
	my ($cat) = @_;
	exists $wtree{$cat} or return;
	foreach (keys %ptree) {
	    my @to_remove;
	    foreach my $node (@{$ptree{$_}}) {
		my $category;
		my $parent = $node;
		my @parents;
		while ($parent = $w->{tree_model}->iter_parent($parent)) {    #- LEAKS
		    my $parent_name = $w->{tree_model}->get($parent, $grp_columns{label});
		    $category = $category ? "$parent_name|$category" : $parent_name;
		    $_->[1] = "$parent_name|$_->[1]" foreach @parents;
		    push @parents, [ $parent, $category ];
		}
		if ($category =~ /^\Q$cat/) {
		    push @to_remove, $node;
		    foreach (@parents) {
			next if $_->[1] eq $cat || !exists $wtree{$_->[1]};
			delete $wtree{$_->[1]};
		    }
		}
	    }
	    @{$ptree{$_}} = difference2($ptree{$_}, \@to_remove);
	}
	if (exists $wtree{$cat}) {
	    my $iter_str = $w->{tree_model}->get_path_str($wtree{$cat});
	    $w->{tree_model}->remove($wtree{$cat});
	    delete $wtree{$cat};
	}
	update_size($common);
    };
    $common->{add_nodes} = sub {
	my (@nodes) = @_;
	$common->{clear_all_caches}->();
	$w->{detail_list_model}->clear;
	$w->{detail_list}->scroll_to_point(0, 0);
	add_node($_->[0], $_->[1], $_->[2]) foreach @nodes;
	update_size($common);
    };
    
    $common->{display_info} = sub {
        gtktext_insert($w->{info}, get_info($_[0], $w->{tree}->window));
        $w->{info}->scroll_to_iter($w->{info}->get_buffer->get_start_iter, 0, 0, 0, 0);
        0;
    };

    my $fast_toggle = sub {
        my ($iter) = @_;
        gtkset_mousecursor_wait($w->{w}{rwindow}->window);
        my $_cleaner = before_leaving { gtkset_mousecursor_normal($w->{w}{rwindow}->window) };
        my $name = $w->{detail_list_model}->get($iter, $pkg_columns{text});
        my $urpm_obj = $pkgs->{$name}{pkg};
        if ($urpm_obj->flag_skip) {
            interactive_msg(N("Warning"), N("The \"%s\" package is in urpmi skip list.\nDo you want to select it anyway?", $name), yesno => 1) or return '';
            $urpm_obj->set_flag_skip(0);
        }
        toggle_nodes($w->{tree}->window, $w->{detail_list_model}, \&set_leaf_state, $w->{detail_list_model}->get($iter, $pkg_columns{state}),
                     $w->{detail_list_model}->get($iter, $pkg_columns{text}));
	    update_size($common);
    };
    $w->{detail_list}->get_selection->signal_connect(changed => sub {
	my ($model, $iter) = $_[0]->get_selected;
	$model && $iter or return;
     $common->{display_info}($model->get($iter, $pkg_columns{text}));
 });
    ($w->{detail_list}->get_column(0)->get_cell_renderers)[0]->signal_connect(toggled => sub {
	    my ($_cell, $path) = @_; #text_
	    my $iter = $w->{detail_list_model}->get_iter_from_string($path);
	    $fast_toggle->($iter) if $iter;
     1;
    });
    $common->{rebuild_tree}->();
    update_size($common);
    $common->{initial_selection} and toggle_nodes($w->{tree}->window, $w->{detail_list_model}, \&set_leaf_state, undef, @{$common->{initial_selection}});
    #my $_b = before_leaving { $clear_all_caches->() };
    $common->{init_callback}->() if $common->{init_callback};
    $w->{w}->main;
}

our ($clear_button, $find_entry);

sub reset_search() {
    $clear_button and $clear_button->set_sensitive(0);
    $find_entry and $find_entry->set_text("");
}

sub is_a_package {
    my ($pkg) = @_;
    return exists $pkgs->{$pkg};
}

sub switch_pkg_list_mode {
    my ($mode) = @_;
    return if !$mode;
    return if !$filter_methods{$mode};
    $force_displaying_group = 1;
    $filter_methods{$mode}->();
}

sub pkgs_provider {
    my ($options, $mode, %options) = @_;
    return if !$mode;
    my $h = &get_pkgs($options); # was given (1, @_) for updates
    ($urpm, $descriptions) = @$h{qw(urpm update_descr)};
    $pkgs = $h->{all_pkgs};
    %filter_methods = (
        all => sub { @filtered_pkgs = map { @$_ } @$h{qw(installed installable updates)} },
        installed => sub { @filtered_pkgs = @{$h->{installed}} },
        non_installed => sub { @filtered_pkgs = @{$h->{installable}} },
        all_updates => sub {
            my @pkgs = $options{pure_updates} ? () : (grep { my $p = $pkgs->{$_}; $p->{pkg} && !$p->{selected} && $p->{pkg}->flag_installed && $p->{pkg}->flag_upgrade } @{$h->{installable}});
            @filtered_pkgs = @{$h->{updates}}, @pkgs;
        },
        backports => sub { @filtered_pkgs = @{$h->{backports}} },
    );
    foreach my $importance (qw(bugfix security normal)) {
        $filter_methods{$importance} = sub {
            @filtered_pkgs = grep { 
                my ($name, $_version) = split_fullname($_);
                $descriptions->{$name}{importance} eq $importance } @{$h->{updates}};
        };
    }
    $filter_methods{mandrake_choices} = $filter_methods{non_installed};
    switch_pkg_list_mode($mode);
}

sub closure_removal {
    $urpm->{state} = {};
    urpm::select::find_packages_to_remove($urpm, $urpm->{state}, \@_);
}

sub is_locale_available {
    any { $urpm->{depslist}[$_]->flag_selected } keys %{$urpm->{provides}{$_[0]} || {}} and return 1;
    my $found;
    open_rpm_db()->traverse_tag('name', [ $_ ], sub { $found ||= 1 });
    return $found;
}

sub callback_choices {
    my (undef, undef, undef, $choices) = @_;
    return $choices->[0] if $::rpmdrake_options{'auto'};
    foreach my $pkg (@$choices) {
        foreach ($pkg->requires_nosense) {
            /locales-/ or next;
            is_locale_available($_) and return $pkg;
        }
    }
    my $callback = sub { interactive_msg(N("More information on package..."), get_info($_[0]), scroll => 1) };
    $choices = [ sort { $a->name cmp $b->name } @$choices ];
    my @choices = interactive_list_(N("Please choose"), (scalar(@$choices) == 1 ? 
    N("The following package is needed:") : N("One of the following packages is needed:")),
                                    [ map { urpm_name($_) } @$choices ], $callback, nocancel => 1);
    defined $choices[0] ? $choices->[$choices[0]] : undef;
}

sub deps_msg {
        return 1 if $dont_show_selections;
        my ($title, $msg, $nodes, $nodes_with_deps) = @_;
        my @deps = sort { $a cmp $b } difference2($nodes_with_deps, $nodes);
        @deps > 0 or return 1;
      deps_msg_again:
        my $results = interactive_msg(
            $title, $msg .
              formatlistpkg(map { scalar(urpm::select::translate_why_removed_one($urpm, $urpm->{state}, $_)) } @deps),
            yesno => [ N("Cancel"), N("More info"), N("Ok") ],
            scroll => 1,
        );
        if ($results eq
		    #-PO: Keep it short, this is gonna be on a button
		    N("More info")) {
            interactive_packtable(
                N("Information on packages"),
                $::main_window,
                undef,
                [ map { my $pkg = $_;
                        [ gtknew('HBox', children_tight => [ gtkset_selectable(gtknew('Label', text => $pkg), 1) ]),
                          gtknew('Button', text => N("More information on package..."), 
                                 clicked => sub {
                                     interactive_msg(N("More information on package..."), get_info($pkg), scroll => 1);
                                 }) ] } @deps ],
                [ gtknew('Button', text => N("Ok"), 
                         clicked => sub { Gtk2->main_quit }) ]
            );
            goto deps_msg_again;
        } else {
            return $results eq N("Ok");
        }
}

sub toggle_nodes {
    my ($widget, $model, $set_state, $old_state, @nodes) = @_;
    @nodes = grep { exists $pkgs->{$_} } @nodes
      or return;
    #- avoid selecting too many packages at once
    return if !$dont_show_selections && @nodes > 2000;
    my $new_state = !$pkgs->{$nodes[0]}{selected};

    my @nodes_with_deps;

    if (member($old_state, qw(to_remove installed))) { # remove pacckages
        if ($new_state) {
            my @remove;
            slow_func($widget, sub { @remove = closure_removal(@nodes) });
            @nodes_with_deps = grep { !$pkgs->{$_}{selected} && !/^basesystem/ } @remove;
            deps_msg(N("Some additional packages need to be removed"),
                        formatAlaTeX(N("Because of their dependencies, the following package(s) also need to be\nremoved:")) . "\n\n",
                        \@nodes, \@nodes_with_deps) or @nodes_with_deps = ();
            my @impossible_to_remove;
            foreach (grep { exists $pkgs->{$_}{base} } @remove) {
                ${$pkgs->{$_}{base}} == 1 ? push @impossible_to_remove, $_ : ${$pkgs->{$_}{base}}--;
            }
            @impossible_to_remove and interactive_msg(N("Some packages can't be removed"),
                                                      N("Removing these packages would break your system, sorry:\n\n") .
                                                        formatlistpkg(@impossible_to_remove));
            @nodes_with_deps = difference2(\@nodes_with_deps, \@impossible_to_remove);
        } else {
            slow_func($widget,
                      sub { @nodes_with_deps = grep { intersection(\@nodes, [ closure_removal($_) ]) }
                              grep { $pkgs->{$_}{selected} && !member($_, @nodes) } keys %$pkgs });
            push @nodes_with_deps, @nodes;
            deps_msg(N("Some packages can't be removed"),
                        N("Because of their dependencies, the following package(s) must be\nunselected now:\n\n"),
                        \@nodes, \@nodes_with_deps) or @nodes_with_deps = ();
            $pkgs->{$_}{base} && ${$pkgs->{$_}{base}}++ foreach @nodes_with_deps;
        }
    } else {
        if ($new_state) {
            if (@nodes > 1) {
                #- unselect i18n packages of which locales is not already present (happens when user clicks on KDE group)
                my @bad_i18n_pkgs;
                foreach my $sel (@nodes) {
                    foreach ($pkgs->{$sel}{pkg}->requires_nosense) {
                        /locales-([^-]+)/ or next;
                        $sel =~ /-$1[-_]/ && !is_locale_available($_) and push @bad_i18n_pkgs, $sel;
                    }
                }
                @nodes = difference2(\@nodes, \@bad_i18n_pkgs);
            }
            my @requested;
            slow_func(
                $widget,
                sub {
                    @requested = $urpm->resolve_requested(
                        open_rpm_db(), $urpm->{state},
                        { map { $pkgs->{$_}{pkg}->id => 1 } @nodes },
                        callback_choices => \&callback_choices,
                    );
                },
            );
            @nodes_with_deps = map { urpm_name($_) } @requested;
            if (!deps_msg(N("Additional packages needed"),
                             formatAlaTeX(N("To satisfy dependencies, the following package(s) also need\nto be installed:\n\n")) . "\n\n",
                             \@nodes, \@nodes_with_deps)) {
                @nodes_with_deps = ();
                $urpm->disable_selected(open_rpm_db(), $urpm->{state}, @requested);
                goto packages_selection_ok;
            }

            if (my @cant = sort(difference2(\@nodes, \@nodes_with_deps))) {
                my @ask_unselect = urpm::select::unselected_packages($urpm, $urpm->{state});
                my @reasons = map {
                    my $cant = $_;
                    my $unsel = find { $_ eq $cant } @ask_unselect;
                    $unsel
                      ? join("\n", urpm::select::translate_why_unselected($urpm, $urpm->{state}, $unsel))
                        : ($pkgs->{$_}{pkg}->flag_skip ? N("%s (belongs to the skip list)", $cant) : $cant);
                } @cant;
                my $count = @reasons;
                interactive_msg(
                    ($count == 1 ? N("One package cannot be installed") : N("Some packages can't be installed")),
		    ($count == 1 ? 
                 N("Sorry, the following package cannot be selected:\n\n%s", formatlistpkg(@reasons))
                   : N("Sorry, the following packages can't be selected:\n\n%s", formatlistpkg(@reasons))),
                    scroll => 1,
                );
                foreach (@cant) {
                    $pkgs->{$_}{pkg}->set_flag_requested(0);
                    $pkgs->{$_}{pkg}->set_flag_required(0);
                }
            }
          packages_selection_ok:
        } else {
            my @unrequested;
            slow_func($widget,
                      sub { @unrequested = $urpm->disable_selected(open_rpm_db(), $urpm->{state},
                                                                   map { $pkgs->{$_}{pkg} } @nodes) });
            @nodes_with_deps = map { urpm_name($_) } @unrequested;
            if (!deps_msg(N("Some packages need to be removed"),
                             N("Because of their dependencies, the following package(s) must be\nunselected now:\n\n"),
                             \@nodes, \@nodes_with_deps)) {
                @nodes_with_deps = ();
                $urpm->resolve_requested(open_rpm_db(), $urpm->{state}, { map { $_->id => 1 } @unrequested });
                goto packages_unselection_ok;
            }
          packages_unselection_ok:
        }
    }

    foreach (@nodes_with_deps) {
        #- some deps may exist on some packages which aren't listed because
        #- not upgradable (older than what currently installed)
        exists $pkgs->{$_} or next;
        if (!$pkgs->{$_}{pkg}) { #- can't be removed  # FIXME; what about next packages in the loop?
            $pkgs->{$_}{selected} = 0;
            log::explanations("can't be removed: $_");
        } else {
            $pkgs->{$_}{selected} = $new_state;
        }
        $set_state->($_, node_state($_), $model);
        $pkgs->{$_}{pkg}
          and $size_selected += $pkgs->{$_}{pkg}->size * ($new_state ? 1 : -1);
    }
}

sub do_action__real {
    my ($options, $callback_action, $o_info) = @_;
    require urpm::sys;
    if (!urpm::sys::check_fs_writable()) {
        $urpm->{fatal}(1, N("Error: %s appears to be mounted read-only.", $urpm::sys::mountpoint));
        return 1;
    }
    if (!int(grep { $pkgs->{$_}{selected} } keys %$pkgs)) {
        interactive_msg(N("You need to select some packages first."), N("You need to select some packages first."));
        return 1;
    }
    my $size_added = sum(map { if_($_->flag_selected && !$_->flag_installed, $_->size) } @{$urpm->{depslist}});
    if ($MODE eq 'install' && $size_free - $size_added/1024 < 50*1024) {
        interactive_msg(N("Too many packages are selected"),
                        N("Warning: it seems that you are attempting to add so much
packages that your filesystem may run out of free diskspace,
during or after package installation ; this is particularly
dangerous and should be considered with care.

Do you really want to install all the selected packages?"), yesno => 1)
          or return 1;
    }
    my $res = $callback_action->($urpm, $pkgs);
    if (!$res) {
        $force_rebuild = 1;
        pkgs_provider({ skip_updating_mu => 1 }, $options->{tree_mode}, if_($Rpmdrake::pkg::probe_only_for_updates, pure_updates => 1));
        reset_search();
        $size_selected = 0;
        (undef, $size_free) = MDK::Common::System::df('/usr');
        $options->{rebuild_tree}->() if $options->{rebuild_tree};
        gtktext_insert($o_info, '') if $o_info;
    }
    $res;
}

sub do_action {
    my ($options, $callback_action, $o_info) = @_;
    my $res = eval { do_action__real($options, $callback_action, $o_info) };
    my $err = $@;
    if ($err && $err !~ /cancel_perform/) {
        interactive_msg(N("Fatal error"),
                        N("A fatal error occurred: %s.", $err));
    }
    $res;
}


sub ctreefy {
    join('|', map { translate($_) } split m|/|, $_[0]);
}

sub build_tree {
    my ($tree, $tree_model, $elems, $options, $force_rebuild, $compssUsers, $flat, $mode) = @_;
    my $old_mode if 0;
    $mode = $options->{rmodes}{$mode} || $mode;
    return if $old_mode eq $mode && !$force_rebuild;
    $old_mode = $mode;
    undef $force_rebuild;
    my @elems;
    my $wait; $wait = statusbar_msg(N("Please wait, listing packages...")) if $MODE ne 'update';
    gtkflush();
    if ($mode eq 'mandrake_choices') {
        foreach my $pkg (keys %$pkgs) {
            my ($name) = split_fullname($pkg);
            push @elems, [ $pkg, $_ ] foreach @{$compssUsers->{$name}};
        }
    } else {
        my @keys = @filtered_pkgs;
        if (member($mode, qw(all_updates security bugfix normal))) {
            @keys = grep {
                my ($name) = split_fullname($_);
                member($descriptions->{$name}{importance}, @$mandrakeupdate_wanted_categories)
                  || ! $descriptions->{$name}{importance};
            } @keys;
            if (@keys == 0) {
                add_node('', N("(none)"), { nochild => 1 });
                my $explanation_only_once if 0;
                $explanation_only_once or interactive_msg(N("No update"),
                                                          N("The list of updates is empty. This means that either there is
no available update for the packages installed on your computer,
or you already installed all of them."));
                $explanation_only_once = 1;
            }
        }
        @elems = map { [ $_, !$flat && ctreefy($pkgs->{$_}{pkg}->group) ] } @keys;
    }
    my %sortmethods = (
        by_size => sub { sort { $pkgs->{$b->[0]}{pkg}->size <=> $pkgs->{$a->[0]}{pkg}->size } @_ },
        by_selection => sub { sort { $pkgs->{$b->[0]}{selected} <=> $pkgs->{$a->[0]}{selected}
                                       || uc($a->[0]) cmp uc($b->[0]) } @_ },
        by_leaves => sub {
            my $pkgs_times = 'rpm -q --qf "%{name}-%{version}-%{release} %{installtime}\n" `urpmi_rpm-find-leaves`';
            sort { $b->[1] <=> $a->[1] } grep { exists $pkgs->{$_->[0]} } map { [ split ] } run_rpm($pkgs_times);
        },
        flat => sub { no locale; sort { uc($a->[0]) cmp uc($b->[0]) } @_ },
        by_medium => sub { sort { $a->[2] <=> $b->[2] || uc($a->[0]) cmp uc($b->[0]) } @_ },
    );
    if ($flat) {
        add_node($_->[0], '') foreach $sortmethods{$mode || 'flat'}->(@elems);
    } else {
        if (0 && $MODE eq 'update') {
            add_node($_->[0], N("All")) foreach $sortmethods{flat}->(@elems);
            $tree->expand_row($tree_model->get_path($tree_model->get_iter_first), 0);
        } elsif ($mode eq 'by_source') {
            add_node($_->[0], $_->[1]) foreach $sortmethods{by_medium}->(map {
                my $m = pkg2medium($pkgs->{$_->[0]}{pkg}, $urpm); [ $_->[0], $m->{name}, $m->{priority} ];
            } @elems);
        } elsif ($mode eq 'by_presence') {
            add_node(
                $_->[0], $pkgs->{$_->[0]}{pkg}->flag_installed && !$pkgs->{$_->[0]}{pkg}->flag_skip
                  ? N("Upgradable") : N("Addable")
		    ) foreach $sortmethods{flat}->(@elems);
        } else {
            #- we populate all the groups tree at first
            %$elems = ();
            # better loop on packages, create groups tree and push packages in the proper place:
            foreach my $pkg (@elems) {
                my $grp = $pkg->[1];
                add_parent($grp);
                $elems->{$grp} ||= [];
                push @{$elems->{$grp}}, $pkg;
            }
        }
    }
    statusbar_msg_remove($wait) if defined $wait;
}

sub get_info {
    my ($key, $widget) = @_;
    #- the package information hasn't been loaded. Instead of rescanning the media, just give up.
    exists $pkgs->{$key} or return [ [ N("Description not available for this package\n") ] ];
    exists $pkgs->{$key}{description} && exists $pkgs->{$key}{files}
      or slow_func($widget, sub { extract_header($pkgs->{$key}, $urpm) });
    format_pkg_simplifiedinfo($pkgs, $key, $urpm, $descriptions);
}

1;