drakx - Mageia Installer and base platform for many utilities

package my_gtk; # $Id$

use diagnostics;
use strict;
use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK $border);

@ISA = qw(Exporter);
%EXPORT_TAGS = (
    helpers => [ qw(create_okcancel createScrolledWindow create_menu create_notebook create_packtable create_hbox create_vbox create_adjustment create_box_with_title create_treeitem) ],
    wrappers => [ qw(gtksignal_connect gtkradio gtkpack gtkpack_ gtkpack__ gtkpack2 gtkpack3 gtkpack2_ gtkpack2__ gtkpowerpack gtkset_editable gtksetstyle gtkset_text gtkcombo_setpopdown_strings gtkset_tip gtkappenditems gtkappend gtkset_shadow_type gtkset_layout gtkset_relief gtkadd gtkput gtktext_insert gtkset_usize gtksize gtkset_justify gtkset_active gtkset_sensitive gtkset_modal gtkset_border_width gtkmove gtkresize gtkshow gtkhide gtkdestroy gtkcolor gtkset_mousecursor gtkset_mousecursor_normal gtkset_mousecursor_wait gtkset_background gtkset_default_fontset gtkctree_children gtkxpm gtkpng create_pix_text get_text_coord fill_tiled gtkicons_labels_widget write_on_pixmap gtkcreate_xpm gtkcreate_png gtkbuttonset) ],
    ask => [ qw(ask_warn ask_okcancel ask_yesorno ask_from_entry) ],
);
$EXPORT_TAGS{all} = [ map { @$_ } values %EXPORT_TAGS ];
@EXPORT_OK = map { @$_ } values %EXPORT_TAGS;

use Gtk;
use Gtk::Gdk::ImlibImage;
use c;
use log;
use common;

my $forgetTime = 1000; #- in milli-seconds
$border = 5;

#-###############################################################################
#- OO stuff
#-###############################################################################
sub new {
    my ($type, $title, %opts) = @_;

    Gtk->init;
    Gtk::Gdk::ImlibImage->init;
    Gtk->set_locale;
    my $o = bless { %opts }, $type;
    $o->_create_window($title);
    while (my $e = shift @tempory::objects) { $e->destroy }
    foreach (@interactive::objects) {
	$_->{rwindow}->set_modal(0) if $_->{rwindow}->can('set_modal');
    }
    push @interactive::objects, $o if !$opts{no_interactive_objects};
    $o->{rwindow}->set_position('center_always') if $::isStandalone;
    $o->{rwindow}->set_modal(1) if $my_gtk::grab || $o->{grab};
    
    if ($::isWizard && !$my_gtk::pop_it) {
	$o->{window} = new Gtk::VBox(0,0);
	$o->{window}->set_border_width($::Wizard_splash ? 0 : 10);
	$o->{rwindow} = $o->{window};
	if (!defined($::WizardWindow)) {
	    $::WizardWindow = new Gtk::Window;
	    $::WizardWindow->set_position('center_always');
	    $::WizardWindow->signal_connect(delete_event => sub { die 'wizcancel'});
	    $::WizardTable = new Gtk::Table(2, 2, 0);
	    $::WizardWindow->add($::WizardTable);
	    my $draw1 = new Gtk::DrawingArea;
	    $draw1->set_usize(540,100);
	    my $draw2 = new Gtk::DrawingArea;
	    $draw2->set_usize(100,300);
	    my ($im_up, $mask_up) = gtkcreate_png($::Wizard_pix_up || "wiz_default_up.png");
	    my ($y1, $x1) = $im_up->get_size;
	    my ($im_left, $mask_left) = gtkcreate_png($::Wizard_pix_left || "wiz_default_left.png");
	    my ($y2, $x2) = $im_left->get_size;
	    my $style = $draw1->style->copy();
	    $style->font(Gtk::Gdk::Font->fontset_load("-adobe-utopia-regular-r-*-*-25-*-*-*-p-*-iso8859-*"));
	    my $w = $style->font->string_width($::Wizard_title);
	    $draw1->signal_connect(expose_event => sub {
				       my $i;
				       for ($i=0;$i<(540/$y1);$i++) {
					   $draw1->window->draw_pixmap ($draw1->style->bg_gc('normal'),
									$im_up, 0, 0, 0, $y1*$i,
									$x1 , $y1 );
					   $draw1->window->draw_string(
								       $style->font,
								       $draw1->style->white_gc,
								       140+(380-$w)/2, 62,
								       ($::Wizard_title) );
				       }
				   });
	    $draw2->signal_connect(expose_event => sub {
				       my $i;
				       for ($i=0;$i<(300/$y2);$i++) {
					   $draw2->window->draw_pixmap ($draw2->style->bg_gc('normal'),
									$im_left, 0, 0, 0, $y2*$i,
									$x2 , $y2 );
				       }
				   });
	    $::WizardTable->attach($draw1, 0, 2, 0, 1, 'fill', 'fill', 0, 0);
	    #- $::WizardTable->attach($draw2, 0, 1, 1, 2, 'fill', 'fill', 0, 0);
	    $::WizardTable->set_usize(540,400);
	    $::WizardWindow->show_all;
	    flush();
	}
	$::WizardTable->attach($o->{window}, 0, 2, 1, 2, [-fill, -expand], [-fill, -expand], 0, 0);
    }

    if ($::isEmbedded && !$my_gtk::pop_it && !eval { $::Plug->child }) {
	$o->{window} = new Gtk::HBox(0,0);
	$o->{rwindow} = $o->{window};
	$::Plug ||= new Gtk::Plug ($::XID);
	$::Plug->show;
	flush();
	$::Plug->add($o->{window});
    }
    $::CCPID and kill "USR2", $::CCPID;
    $o;
}
sub main {
    my ($o, $completed, $canceled) = @_;
    gtkset_mousecursor_normal();
    my $timeout = Gtk->timeout_add(1000, sub { gtkset_mousecursor_normal(); 1 });
    my $b = before_leaving { Gtk->timeout_remove($timeout) };
    $o->{rwindow}->window->set_events(['key_press_mask', 'key_release_mask', 'exposure_mask']) if $o->{rwindow}->window;
    $o->show;

    do {
	local $::setstep = 1;
	Gtk->main;
    } while ($o->{retval} ? $completed && !$completed->() : $canceled && !$canceled->());
    $o->destroy;
    $o->{retval}
}
sub show($) {
    my ($o) = @_;
    $o->{window}->show;
    $o->{rwindow}->show;
}
sub destroy($) {
    my ($o) = @_;
    $o->{rwindow}->destroy;
    gtkset_mousecursor_wait();
    flush();
}
sub DESTROY { goto &destroy }
sub sync {
    my ($o) = @_;
    show($o);
    flush();
}
sub flush {
    Gtk->main_iteration while Gtk->events_pending;
}

sub gtkshow($)         { $_[0]->show; $_[0] }
sub gtkhide($)         { $_[0]->hide; $_[0] }
sub gtkdestroy($)      { $_[0] and $_[0]->destroy }
sub gtkset_usize($$$)  { $_[0]->set_usize($_[1],$_[2]); $_[0] }
sub gtksize($$$)       { $_[0]->size($_[1],$_[2]); $_[0] }
sub gtkset_justify($$) { $_[0]->set_justify($_[1]); $_[0] }
sub gtkset_active($$)  { $_[0]->set_active($_[1]); $_[0] }
sub gtkset_modal       { $_[0]->set_modal($_[1]); $_[0] }
sub gtkset_sensitive   { $_[0]->set_sensitive($_[1]); $_[0] }
sub gtkset_border_width{ $_[0]->set_border_width($_[1]); $_[0] }
sub gtkmove { $_[0]->window->move($_[1], $_[2]); $_[0] }
sub gtkresize { $_[0]->window->resize($_[1], $_[2]); $_[0] }

sub gtksignal_connect($@) {
    my $w = shift;
    $w->signal_connect(@_);
    $w
}

sub gtkradio {
    my $def = shift;
    my $radio;
    map { $radio = new Gtk::RadioButton($_, $radio ? $radio : ());
	  $radio->set_active($_ eq $def); $radio } @_;
}

sub gtkpack_($@) { gtkpowerpack('arg', 1, @_) }
sub gtkpack($@) { gtkpowerpack(1, 1, @_) }
sub gtkpack__($@) { gtkpowerpack(0, 1, @_) }
sub gtkpack2_($@) { gtkpowerpack('arg', 0, @_) }
sub gtkpack2($@) { gtkpowerpack(1, 0, @_) }
sub gtkpack2__($@) { gtkpowerpack(0, 0, @_) }
sub gtkpack3 { gtkpowerpack($a?1:0, 0, @_) }

sub gtkpowerpack {
    #- Get Default Attributes (if any). 2 syntaxes allowed :
    #- gtkpowerpack( {expand => 1, fill => 0}, $box...) : the attributes are picked from a specified hash ref
    #- gtkpowerpack(1,0,1, $box, ...) : the attributes are picked from the non-ref list, in the order (expand, fill, padding, pack_end).
    my $RefDefaultAttrs;
    if (ref($_[0]) eq 'HASH') { $RefDefaultAttrs = shift }
    elsif (!ref($_[0])) {
	$RefDefaultAttrs = {};
	foreach ("expand", "fill", "padding", "pack_end") {
	    !ref($_[0]) ? $RefDefaultAttrs->{$_} = shift : last
	}
    }
    my $box = shift;

    while (@_) {
	#- Get attributes (if specified). 4 syntaxes allowed (default values are undef ie. false...) :
	#- gtkpowerpack({defaultattrs}, $box, $widget1, $widget2, ...) : the attrs are picked from the default ones (if they exist)
	#- gtkpowerpack($box, {fill=>1, expand=>0, ...}, $widget1, ...) : the attributes are picked from a specified hash ref
	#- gtkpowerpack($box, [1,0,1], $widget1, ...) : the attributes are picked from the array ref : (expand, fill, padding, pack_end).
	#- gtkpowerpack({attr=>'arg'}, $box, 1, $widget1, 0, $widget2, etc...) : the 'arg' value will tell gtkpowerpack to always read the 
	#- attr value directly in the arg list (avoiding confusion between value 0 and Gtk::Label("0"). That can simplify some writings but
	#- this arg(s) MUST then be present...
	my %attr;
	my $RefAttrs;
	ref($_[0]) eq 'HASH' || ref($_[0]) eq 'ARRAY' and $RefAttrs = shift;
	foreach ("expand", "fill", "padding", "pack_end") {
	    if ($RefDefaultAttrs->{$_} eq 'arg') {
		ref ($_[0]) and die "error in packing definition\n";
		$attr{$_} = shift;
		ref($RefAttrs) eq 'ARRAY' and shift @$RefAttrs;
	    } elsif (ref($RefAttrs) eq 'HASH' && defined($RefAttrs->{$_})) {
		$attr{$_} = $RefAttrs->{$_};
	    } elsif (ref($RefAttrs) eq 'ARRAY') {
		$attr{$_} = shift @$RefAttrs;
	    } elsif (defined($RefDefaultAttrs->{$_})) {
		$attr{$_} = int $RefDefaultAttrs->{$_};
	    } else {
		$attr{$_} = 0;
	    }
	}
	#- Get and pack the widget (create it if necessary when it is a label...)
	my $widget = ref($_[0]) ? shift : new Gtk::Label(shift);
	if ($attr{pack_end}) { $box->pack_end($widget, $attr{expand}, $attr{fill}, $attr{padding})}
	else { $box->pack_start($widget, $attr{expand}, $attr{fill}, $attr{padding}) }
	$widget->show;
    }
    $box
}

sub gtkset_editable {
    my ($w, $e) = @_;
    $w->set_editable($e);
    $w;
}

sub gtksetstyle {
    my ($w, $s) = @_;
    $w->set_style($s);
    $w;
}

sub gtkset_text {
    my ($w, $s) = @_;
    $w->set_text($s);
    $w;
}

sub gtkcombo_setpopdown_strings ($@) {
    my $w = shift;
    $w->set_popdown_strings(@_);
    $w;
}

sub gtkappend_text {
    my ($w, $s) = @_;
    $w->append_text($s);
    $w;
}

sub gtkprepend_text {
    my ($w, $s) = @_;
    $w->prepend_text($s);
    $w;
}

sub gtkset_tip {
    my ($tips, $w, $tip) = @_;
    $tips->set_tip($w, $tip) if $tip;
    $w;
}

sub gtkappenditems {
    my $w = shift;
    map {gtkshow($_) } @_;
    $w->append_items(@_);
    $w
}

sub gtkappend($@) {
    my $w = shift;
    foreach (@_) {
	my $l = $_;
	ref $l or $l = new Gtk::Label($l);
	$w->append($l);
	$l->show;
    }
    $w
}

sub gtkset_shadow_type {
    $_[0]->set_shadow_type($_[1]);
    $_[0];
}

sub gtkset_layout {
    $_[0]->set_layout($_[1]);
    $_[0];
}

sub gtkset_relief {
    $_[0]->set_relief($_[1]);
    $_[0];
}

sub gtkadd($@) {
    my $w = shift;
    foreach (@_) {
	my $l = $_;
	ref $l or $l = new Gtk::Label($l);
	$w->add($l);
	$l->show;
    }
    $w
}
sub gtkput {
    my ($w, $w2, $x, $y) = @_;
    $w->put($w2, $x, $y);
    $w2->show;
    $w
}

sub gtktext_insert {
    my ($w, $t) = @_;
    $w->freeze;
    $w->backward_delete($w->get_length);
    $w->insert(undef, undef, undef, $t); 
    #- DEPRECATED? needs \n otherwise in case of one line text the beginning is not shown (even with the vadj->set_value)
    $w->set_word_wrap(1);
#-    $w->vadj->set_value(0);
    $w->thaw;
    $w;
}

sub gtkroot {
    Gtk->init;
    Gtk->set_locale;
    Gtk::Gdk::Window->new_foreign(Gtk::Gdk->ROOT_WINDOW);
}

sub gtkcolor {
    my ($r, $g, $b) = @_;

    my $color = bless { red => $r, green => $g, blue => $b }, 'Gtk::Gdk::Color';
    gtkroot()->get_colormap->color_alloc($color);
}

sub gtkset_mousecursor {
    my ($type, $w) = @_;
    ($w || gtkroot())->set_cursor(Gtk::Gdk::Cursor->new($type));
}
sub gtkset_mousecursor_normal { gtkset_mousecursor(68, @_) }
sub gtkset_mousecursor_wait   { gtkset_mousecursor(150, @_) }

sub gtkset_background {
    my ($r, $g, $b) = @_;

    my $root = gtkroot();
    my $gc = Gtk::Gdk::GC->new($root);

    my $color = gtkcolor($r, $g, $b);
    $gc->set_foreground($color);
    $root->set_background($color);

    my ($h, $w) = $root->get_size;
    $root->draw_rectangle($gc, 1, 0, 0, $w, $h);
}

sub gtkset_default_fontset {
    my ($fontset) = @_;

    my $style = Gtk::Widget->get_default_style;
    my $f = Gtk::Gdk::Font->fontset_load($fontset) or die '';
    $style->font($f);
    Gtk::Widget->set_default_style($style);
}

sub gtkctree_children {
    my ($node) = @_;
    my @l;
    $node or return;
    for (my $p = $node->row->children; $p; $p = $p->row->sibling) {
	push @l, $p;
    }
    @l;
}

my @icon_paths = ($ENV{SHARE_PATH}, "$ENV{SHARE_PATH}/icons", "$ENV{SHARE_PATH}/libDrakX/pixmaps", "/usr/lib/libDrakX/icons", "pixmaps", 'standalone/icons');

sub add_icon_path { @icon_paths = uniq(@icon_paths, @_) }

sub gtkcreate_xpm {
    my ($f) = @_;
    my $rw = gtkroot();
    $f =~ m|.xpm$| or $f="$f.xpm";
    if ( $f !~ /\//) { -e "$_/$f" and $f="$_/$f", last foreach @icon_paths }
    my @l = Gtk::Gdk::Pixmap->create_from_xpm($rw, new Gtk::Style->bg('normal'), $f) or die "gtkcreate_xpm: missing pixmap file $f";
    @l;
}

sub gtkcreate_png {
    my ($f) = shift;
    $f =~ m|.png$| or $f="$f.png";
    if ( $f !~ /\//) { -e "$_/$f" and $f="$_/$f", last foreach @icon_paths }
    my $im = Gtk::Gdk::ImlibImage->load_image($f) or die "gtkcreate_png: missing png file $f";
    $im->render($im->rgb_width, $im->rgb_height);
    ($im->move_image(), $im->move_mask);
}

sub gtkbuttonset {
    my ($button, $str) = @_;
    $button->child->destroy;
    $button->add(gtkshow(new Gtk::Label $str));
    $button;
}

sub xpm_d { my $w = shift; Gtk::Gdk::Pixmap->create_from_xpm_d($w->window, undef, @_) }
sub gtkxpm { new Gtk::Pixmap(gtkcreate_xpm(@_)) }
sub gtkpng { new Gtk::Pixmap(gtkcreate_png(@_)) }

sub create_pix_text {
    #ref widget, txt, color_txt, [font], [width], [height], flag1, flag2, [background, backsize x y], centeredx, centeredy, bold
    my ($w, $text, $color_text, $font, $max_width, $max_height, $can_be_greater, $can_be_smaller, $background, $x_back, $y_back, $centeredx, $centeredy, $bold) = @_;
    my $color_background;
    my $backpix;
    if ($color_text =~ /#(\d+)#(\d+)#(\d+)/) { $color_text = gtkcolor(map{$_*65535/255}($1, $2, $3)) }
    if (ref($background) eq 'Gtk::Gdk::Color') { $color_background = $background }
    elsif ($background =~ /#(\d+)#(\d+)#(\d+)/) { $color_background = gtkcolor(map{$_*65535/255}($1, $2, $3)) }
    elsif (ref($background) eq 'Gtk::Gdk::Pixmap' && $x_back && $y_back) { $backpix = 1 }
    my $fake_darea = new Gtk::DrawingArea;
    my $style= $fake_darea->style->copy();
    if (ref($font) eq 'Gtk::Gdk::Font') {
	$style->font($font);
    } else {
	$font and $style->font(Gtk::Gdk::Font->fontset_load($font));
    }
    $fake_darea->set_style($style);
    my ($width, $height, $lines, $widths, $heights) = get_text_coord (
        $text, $fake_darea, $max_width, $max_height, $can_be_greater, $can_be_smaller, $centeredx, $centeredy);
    my $pix = new Gtk::Gdk::Pixmap($w->window, $width, $height);

    if ($backpix) {
	fill_tiled($w, $pix, $background, $x_back, $y_back, $width, $height);
    } else {
	$color_background ||= gtkcolor(65535, 65535, 65535);
	my $gc_background = new Gtk::Gdk::GC($w->window);
	$gc_background->set_foreground($color_background);
	$pix->draw_rectangle($gc_background, 1, 0, 0, $width, $height);
    }
    $color_text ||= gtkcolor(0, 0, 0);
    my $gc_text = new Gtk::Gdk::GC($w->window);
    $gc_text->set_foreground($color_text);
    my $i = 0;
    foreach (@{$lines}) {
	$pix->draw_string($style->font, $gc_text, ${$widths}[$i], ${$heights}[$i], $_);
	$bold and $pix->draw_string($style->font, $gc_text, ${$widths}[$i] + 1, ${$heights}[$i], $_);
	$i++;
    }
    ($pix, $width, $height);
}

sub get_text_coord {

    my ($text, $widget4style, $max_width, $max_height, $can_be_greater, $can_be_smaller, $centeredx, $centeredy, $wrap_char) = @_;

    $wrap_char ||= ' ';
    my $idx = 0;
    my $real_width = 0;
    my $real_height = 0;
    my @lines;
    my @widths;
    my @heights;
    my $height_elem = $widget4style->style->font->ascent + $widget4style->style->font->descent;
    $heights[0] = 0;
    my $max_width2 = $max_width;
    my $height = $heights[0] = $height_elem;
    my $width = 0;
    my $flag = 1;
    my @t = split($wrap_char, $text);
    my @t2;
    if ($::isInstall && $::o->{lang} =~ /ja|zh/) {
	@t = map { $_ . $wrap_char } @t;
	$wrap_char = '';
	foreach (@t) {
	    my @c = split('');
	    my $i = 0;
	    my $el = '';
	    while (1) {
		$i >= @c and last;
		$el .= $c[$i];
		if (ord($c[$i]) >= 128) { $el .= $c[$i+1]; $i++; push @t2, $el; $el = ''}
		$i++;
	    }
	    $el ne '' and push @t2, $el;
	}
    } else {
	@t2 = @t;
    }
    foreach (@t2) {
	my $l = $widget4style->style->font->string_width($_ . (!$flag ? $wrap_char : ''));
	if ($width + $l > $max_width2 && !$flag) {
	    $flag = 1;
	    $height += $height_elem + 1;
	    $heights[$idx+1] = $height;
	    $widths[$idx] = $centeredx && !$can_be_smaller ? (max($max_width2-$width, 0))/2 : 0;
	    $width = 0;
	    $idx++;
	}
	$lines[$idx] = $flag ? "$_" : $lines[$idx] . $wrap_char . "$_";
	$width += $l;
	$flag = 0;
	$l <= $max_width2 or $max_width2 = $l;
	$width <= $real_width or $real_width = $width;
    }
    $height += $height_elem;
    $widths[$idx] = $centeredx && !$can_be_smaller ? (max($max_width2-$width, 0))/2 : 0;

    $height < $real_height or $real_height = $height;
    $width = $max_width;
    $height = $max_height;
    $real_width < $max_width && $can_be_smaller and $width = $real_width;
    $real_width > $max_width && $can_be_greater and $width = $real_width;
    $real_height < $max_height && $can_be_smaller and $height = $real_height;
    $real_height > $max_height && $can_be_greater and $height = $real_height;
    if ($centeredy) {
 	my $dh = ($height-$real_height)/2 + ($height_elem)/2;
 	@heights = map { $_ + $dh } @heights;
    }
    ($width, $height, \@lines, \@widths, \@heights)
}

sub fill_tiled {
    my ($w, $pix, $bitmap, $x_back, $y_back, $width, $height) = @_;
    my ($x2, $y2) = (0, 0);
    while (1) {
	$x2 = 0;
	while (1) {
	    $pix->draw_pixmap($w->style->bg_gc('normal'),
			      $bitmap, 0, 0, $x2, $y2, $x_back, $y_back);
	    $x2 += $x_back;
	    $x2 >= $width and last;
	}
	$y2 += $y_back;
	$y2 >= $height and last;
    }
}

sub gtkicons_labels_widget {
    my ($args, $w, $color_text, $widget_for_font, $background, $x_back, $y_back, $x_round,
	$y_round, $x_back2, $y_back2, $icon_width, $icon_height, $exec_func, $exec_hash) = @_;

    my @tab;
    my $i = 0;
    my $cursor_hand = new Gtk::Gdk::Cursor 60;
    my $cursor_normal = new Gtk::Gdk::Cursor 68;
    foreach (@$args) {
	my $label = $_->[0];
	my $dbl_area;
	my $darea = new Gtk::DrawingArea;
        my ($icon, undef) = gtkcreate_png($_->[1]);
	my ($icon_h, undef) = gtkcreate_png("$_->[1]_highlight");
	$darea->{state} = 0;
	$darea->signal_connect(expose_event => sub {
                  my ($dx, $dy) = ($darea->allocation->[2], $darea->allocation->[3]);
                  if (!defined($dbl_area) || $darea->{state} != $dbl_area->{state}) {
		      my $state = $darea->{state};
                      my ($pix, $width, $height) = create_pix_text($darea, $label, $color_text, $widget_for_font->style->font, $x_round, 1,
                                                               1, 0, $background, $x_back2, $y_back2, 1, 0, $state);
                      ($dx, $dy) = (max($width, $x_round), $y_round + $height);
                      $darea->set_usize($dx, $dy);
                      $dbl_area = new Gtk::Gdk::Pixmap($darea->window, max($width, $x_round), $y_round + $height);
		      $dbl_area->{state} = $darea->{state};
                      fill_tiled($darea, $dbl_area, $background, $x_back2, $y_back2, $dx, $dy);
                      $dbl_area->draw_pixmap($darea->style->bg_gc('normal'),
                                             $darea->{state} ? $icon_h : $icon, 0, 0, ($dx - $icon_width)/2, 0, $icon_width, $icon_height);
                      $dbl_area->draw_pixmap($darea->style->bg_gc('normal'),
                                             $pix, 0, 0, ($dx - $width)/2, $y_round, $width, $height);
#                      $dbl_area->draw_rectangle($darea->style->black_gc, 0,
#						0, 0, max($width, $x_round) - 1 , $y_round + $height - 1);
                  }
                  $darea->window->draw_pixmap($darea->style->bg_gc('normal'),
                                              $dbl_area, 0, 0, 0, 0, $dx, $dy);
#		  $darea->window->draw_rectangle($darea->style->black_gc, 0,
#						0, 0, $dx, $dy);
                  ($darea->{dx}, $darea->{dy}) = ($dx, $dy);
              });
	$darea->set_events(['exposure_mask', 'enter_notify_mask', 'leave_notify_mask', 'button_press_mask', 'button_release_mask' ]);
	$darea->signal_connect( enter_notify_event => sub {
				    if ($darea->{state} == 0) {
					$darea->{state} = 1;
					$darea->draw(undef);
				    }
				});
	$darea->signal_connect( leave_notify_event => sub {
				    if ($darea->{state} == 1) {
					$darea->{state} = 0;
					$darea->draw(undef);
				    }
				});
	my $label_exec = $_->[0];
	$darea->signal_connect( button_release_event => sub {
				    $darea->{state} = 0;
				    $darea->draw(undef);
				    $exec_func->($exec_hash->{$label_exec});
#				    $exec_hash->{$label_exec}{function}->($exec_hash->{$label_exec}{arg});
				});
	$darea->signal_connect( realize => sub { $darea->window->set_cursor($cursor_hand) });
	$tab[$i] = $darea;
	$i++;
    }
    my $fixed = new Gtk::Fixed;
    foreach (@tab) { $fixed->put($_, 75, 65) }
    my $redraw_function = sub { 
	$fixed->move(@$_) foreach compute_icons($fixed->allocation->[2], $fixed->allocation->[3], 40, 15, 20, @tab);
    };
    $fixed->signal_connect(expose_event => $redraw_function );
    $fixed->signal_connect(realize => sub {
			       $fixed->window->set_back_pixmap($background, 0);
			       $redraw_function->();
			   });
    $fixed->{redraw_function} = $redraw_function;
    $fixed->show_all();
    my $w_ret = createScrolledWindow($fixed, ['automatic', 'automatic']);

    #- Ugly hacks, don't touch! ########
    my $timeout2 = Gtk->timeout_add(100, sub { $fixed->set_usize($w_ret->allocation->[2] - 22, 0); 0; });
    $w_ret->vscrollbar->set_usize(19, undef);
    gtkset_border_width($w_ret, -2); #- ok, this is very very ugly...
}

sub ctree_set_icon {
    my ($tree, $node, $icon_pixmap, $icon_mask) = @_;

    my ($text, $spacing, undef, undef, undef, undef, $isleaf, $expanded) = $tree->get_node_info($node);
    $tree->set_node_info($node, $text, $spacing, $icon_pixmap, $icon_mask, $icon_pixmap, $icon_mask, $isleaf, $expanded);
}

sub compute_icons {
    my ($fx, $fy, $decx, $decy, $interstice, @tab) = @_;
    my $nb = $#tab;
    my $nb_sav = $nb;
    my $index = 0;
    my @dx2;
    my @dx;
    my @dy;
    my $line_up = 0;
  bcl_init:
    @dx2 = undef;
  bcl:
    @dx = map{ $_->{dx} } @tab[$index..$index+$nb];
    $dy[$index] = max(map{ $_->{dy} } @tab[$index..$index+$nb]);
    foreach (0..$#dx) {
	if ($dx[$_] > $dx2[$_]) { $dx2[$_] = $dx[$_] } else { $dx[$_] = $dx2[$_] }
    }
    my $line_size = 0;
    $line_size = $decx + sum(@dx2) + $nb * $interstice;
    if ($line_size > $fx) {
	$index = 0; $nb--; goto bcl_init;
    }
    $nb and $line_up = ($fx-$line_size)/($nb+2);
    $index += $nb+1;
    $index <= $#tab and goto bcl;
    my @ret;
    my $n = 0;
    my $y = $decy;
    my $x = $decx/2 + $line_up;
    foreach (0..$nb_sav) {
	$ret[$_] = [$tab[$_], $x, $y];
	$x += $dx2[$n] + $interstice + $line_up;
	$n++;
	if ($n > $nb) {
	    $n = 0;
	    $x = $decx/2 + $line_up;
	    $y += int($dy[$_-$nb]/5)*5 + 15;
	}
    }
    @ret;
}

sub write_on_pixmap {
    my ($pixmap, $x_pos, $y_pos, @text)=@_;
    my ($gdkpixmap, $gdkmask) = $pixmap->get();
    my ($width, $height) = (440, 250);
    my $gc = Gtk::Gdk::GC->new(gtkroot());
    $gc->set_foreground(gtkcolor(8448, 17664, 40191)); #- in hex : 33, 69, 157

    my $darea= new Gtk::DrawingArea();
    $darea->size($width, $height);
    $darea->set_usize($width, $height);
    my $draw = sub {
	my $style = new Gtk::Style;
	#- i18n : you can change the font.
	$style->font(Gtk::Gdk::Font->fontset_load(_("-adobe-times-bold-r-normal--17-*-100-100-p-*-iso8859-*,*-r-*")));
	my $y_pos2= $y_pos;
  	foreach (@text) {
  	    $darea->window->draw_string($style->font, $gc, $x_pos, $y_pos2, $_);
  	    $y_pos2 += 20;
  	}
    };
    $darea->signal_connect(expose_event => sub { $darea->window->draw_rectangle($darea->style->white_gc, 1, 0, 0, $width, $height);
						 $darea->window->draw_pixmap
						   ($darea->style->white_gc,
						    $gdkpixmap, 0, 0,
						    ($darea->allocation->[2]-$width)/2, ($darea->allocation->[3]-$height)/2,
						    $width, $height);
						 &$draw();
					     });
    $darea;
}

sub n_line_size {
    my ($nbline, $type, $widget) = @_;
    my $font = $widget->style->font;
    my $spacing = ${{ text => 0, various => 17 }}{$type};
    $nbline * ($font->ascent + $font->descent + $spacing) + 8;
}

#-###############################################################################
#- createXXX functions

#- these functions return a widget
#-###############################################################################

sub create_okcancel {
    my ($w, $ok, $cancel, $spread, @other) = @_;
    my $one = ($ok xor $cancel);
    $spread ||= $::isWizard ? "end" : "spread";
    $ok ||= $::isWizard ? ($::Wizard_finished ? _("Finish") : _("Next ->")) : _("Ok");
    $cancel ||= $::isWizard ? _("<- Previous") : _("Cancel");
    my $b1 = gtksignal_connect($w->{ok} = new Gtk::Button($ok), clicked => $w->{ok_clicked} || sub { $w->{retval} = 1; Gtk->main_quit });
    my $b2 = !$one && gtksignal_connect($w->{cancel} = new Gtk::Button($cancel), clicked => $w->{cancel_clicked} || sub { log::l("default cancel_clicked"); undef $w->{retval}; Gtk->main_quit });
    $::isWizard and gtksignal_connect($w->{wizcancel} = new Gtk::Button(_("Cancel")), clicked => sub { die 'wizcancel' });
    my @l = grep { $_ } $::isWizard ? ($w->{wizcancel}, $::Wizard_no_previous ? () : $b2, $b1): ($b1, $b2);
    push @l, map { gtksignal_connect(new Gtk::Button($_->[0]), clicked => $_->[1]) } @other;

    $_->can_default($::isWizard) foreach @l;
    gtkadd(create_hbox($spread), @l);
}

sub create_box_with_title($@) {
    my $o = shift;

    my $nbline = sum(map { round(length($_) / 60 + 1/2) } map { split "\n" } @_);
    $o->{box} = new Gtk::VBox(0,0);
    $o->{box_size} = n_line_size($nbline, 'text', $o->{box});
    if (@_ <= 2 && $nbline > 4) {
	$o->{icon} && !$::isWizard and 
	  eval { gtkpack__($o->{box}, gtkset_border_width(gtkpack_(new Gtk::HBox(0,0), 1, gtkpng($o->{icon})),5)) };
	my $wanted = $o->{box_size};
	$o->{box_size} = min(200, $o->{box_size});
	my $has_scroll = $o->{box_size} < $wanted;

	my $wtext = new Gtk::Text;
	$wtext->can_focus($has_scroll);
	chomp(my $text = join("\n", @_));
	my $scroll = createScrolledWindow(gtktext_insert($wtext, $text));
	$scroll->set_usize(400, $o->{box_size});
	gtkpack__($o->{box}, $scroll);
    } else {
	my $a = !$::no_separator;
	undef $::no_separator;
	if ($o->{icon} && !$::isWizard) {
	    gtkpack__($o->{box},
		      gtkpack_(new Gtk::HBox(0,0),
			       0, gtkset_usize(new Gtk::VBox(0,0), 15, 0),
			       0, eval { gtkpng($o->{icon}) },
			       0, gtkset_usize(new Gtk::VBox(0,0), 15, 0),
			       1, gtkpack_($o->{box_title} = new Gtk::VBox(0,0),
					   1, new Gtk::HBox(0,0),
					   (map {
					       my $w = ref $_ ? $_ : new Gtk::Label($_);
					       $::isWizard and $w->set_justify("left");
					       $w->set_name("Title");
					       (0, $w);
					   } map { ref $_ ? $_ : warp_text($_) } @_),
					   1, new Gtk::HBox(0,0),
					  )
			      ),
		      if_($a, new Gtk::HSeparator)
		     )
	} else {
	    gtkpack__($o->{box},
		      (map {
			  my $w = ref $_ ? $_ : new Gtk::Label($_);
			  $::isWizard and $w->set_justify("left");
			  $w->set_name("Title");
			  $w;
		      } map { ref $_ ? $_ : warp_text($_) } @_),
		      if_($a, new Gtk::HSeparator)
		     )
	}
    }
}

sub createScrolledWindow {
    my ($W, $policy) = @_;
    my $w = new Gtk::ScrolledWindow(undef, undef);
    $policy ||= [ 'automatic', 'automatic'];
    $w->set_policy(@{$policy});
    member(ref $W, qw(Gtk::CList Gtk::CTree Gtk::Text)) ?
      $w->add($W) :
      $w->add_with_viewport($W);
    $W->can("set_focus_vadjustment") and $W->set_focus_vadjustment($w->get_vadjustment);
    $W->show;
    $w
}

sub create_menu($@) {
    my $title = shift;
    my $w = new Gtk::MenuItem($title);
    $w->set_submenu(gtkshow(gtkappend(new Gtk::Menu, @_)));
    $w
}

sub add2notebook {
    my ($n, $title, $book) = @_;

    my ($w1, $w2) = map { new Gtk::Label($_) } $title, $title;
    $book->{widget_title} = $w1;
    $n->append_page_menu($book, $w1, $w2);
    $book->show;
    $w1->show;
    $w2->show;
}

sub create_notebook(@) {
    my $n = new Gtk::Notebook;
    add2notebook($n, splice(@_, 0, 2)) while @_;
    $n
}

sub create_adjustment($$$) {
    my ($val, $min, $max) = @_;
    new Gtk::Adjustment($val, $min, $max + 1, 1, ($max - $min + 1) / 10, 1);
}

sub create_packtable($@) {
    my ($options, @l) = @_;
    my $w = new Gtk::Table(0, 0, $options->{homogeneous} || 0);
    map_index {
	my ($i, $l) = ($_[0], $_);
	map_index {
	    my ($j) = @_;
	    if ($_) {
		ref $_ or $_ = new Gtk::Label($_);
		$j != $#$l ?
		  $w->attach($_, $j, $j + 1, $i, $i + 1, 'fill', 'fill', 5, 0) :
		  $w->attach($_, $j, $j + 1, $i, $i + 1, 1|4, ref($_) eq 'Gtk::ScrolledWindow' ? 1|4 : 0, 0, 0);
		$_->show;
	    }
	} @$l;
    } @l;
    $w->set_col_spacings($options->{col_spacings} || 0);
    $w->set_row_spacings($options->{row_spacings} || 0);
    $w
}

sub create_hbox {
    my $w = gtkset_border_width(new Gtk::HButtonBox, 3);
    $w->set_layout($_[0] || "spread");
    $w;
}
sub create_vbox {
    my $w = new Gtk::VButtonBox;
    $w->set_layout(-spread);
    $w;
}


sub _create_window($$) {
    my ($o, $title) = @_;
    my $w = new Gtk::Window;
    my $gc = Gtk::Gdk::GC->new(gtkroot());
    !$::isStandalone && !$::live && !$::g_auto_install and $my_gtk::shape_width = 3;
#-  $gc->set_foreground(gtkcolor(8448, 17664, 40191)); #- in hex : 33, 69, 157
    $gc->set_foreground(gtkcolor(5120, 10752, 22784)); #- in hex : 20, 42, 89
#-    $gc->set_foreground(gtkcolor(16896, 16896, 16896)); #- in hex : 66, 66, 66
    my $inner = gtkadd(my $f_ = gtkset_shadow_type(new Gtk::Frame(undef), 'out'),
		       my $f = gtkset_border_width(gtkset_shadow_type(new Gtk::Frame(undef), 'none'), 3)
		      );
    my $table;
    if ($::isStandalone || $::live || $::g_auto_install || $::noShadow) { gtkadd($w, $inner) } else {
	my $sqw = $my_gtk::shape_width;
	gtkadd($w, $table = new Gtk::Table(2, 2, 0));
	$table->attach( $inner, 0, 1, 0, 1, 1|4, 1|4, 0, 0);
	$table->attach( gtksignal_connect(gtkset_usize(new Gtk::DrawingArea, $sqw, 1), expose_event => sub {
					      $_[0]->window->draw_rectangle($_[0]->style->bg_gc('normal'), 1, 0, 0, $sqw, $sqw);
					      $_[0]->window->draw_rectangle($gc, 1, 0, $sqw, $sqw, $_[0]->allocation->[3]);
					  }),
			1, 2, 0, 1, 'fill', 'fill', 0, 0);
	$table->attach( gtksignal_connect(gtkset_usize(new Gtk::DrawingArea, 1, $sqw), expose_event => sub {
					      $_[0]->window->draw_rectangle($_[0]->style->bg_gc('normal'), 1, 0, 0, $sqw, $sqw);
					      $_[0]->window->draw_rectangle($gc, 1, $sqw, 0, $_[0]->allocation->[2], $sqw);
					  }),
			0, 1, 1, 2, 'fill', 'fill', 0, 0);
	$table->attach( gtksignal_connect(gtkset_usize(new Gtk::DrawingArea, $sqw, $sqw), expose_event => sub {
					      $_[0]->window->draw_rectangle($gc, 1, 0, 0, $sqw, $sqw);
					  }),
			1, 2, 1, 2, 'fill', 'fill', 0, 0);
	$table->show_all;
    }
    $w->set_name("Title");
    $w->set_title($title);

    $w->signal_connect(expose_event => sub { eval { $interactive::objects[-1]{rwindow} == $w and $w->window->XSetInputFocus } }) if $my_gtk::force_focus || $o->{force_focus};
    $w->signal_connect(delete_event => sub { $w->destroy; die 'wizcancel' });
    $w->set_uposition(@{$my_gtk::force_position || $o->{force_position}}) if $my_gtk::force_position || $o->{force_position};

    my $focusing;
    $w->signal_connect(focus => sub { 
        return 1 if $focusing;
	$focusing = 1;
	Gtk->idle_add(sub { $w->ensure_focus($_[0]); $focusing = 0; 0 }, $_[1]);
    }) if $w->can('ensure_focus');

    if ($::o->{mouse}{unsafe}) {
	$w->set_events("pointer_motion_mask");
	my $signal;
	$signal = $w->signal_connect(motion_notify_event => sub {
	    delete $::o->{mouse}{unsafe};
	    log::l("unsetting unsafe mouse");
	    $w->signal_disconnect($signal);
	});
    }
    $w->signal_connect(key_press_event => sub {
	my $d = ${{ 0xffbe => 'help',
		    0xffbf => 'screenshot',
	            0xffc9 => 'next',
		    0xffc8 => 'previous' }}{$_[1]{keyval}};

	if ($d eq "help") {
	    require install_gtk;
	    install_gtk::create_big_help($::o);
	} elsif ($::isInstall && $d eq 'screenshot') {
	    common::take_screenshot($o);
	} elsif (chr($_[1]{keyval}) eq 'e' && $_[1]{state} & 8) {
	    log::l("Switching to " . ($::expert ? "beginner" : "expert"));
	    $::expert = !$::expert;
	} elsif ($d) {
	    #- previous field is created here :(
	    my $s; foreach (reverse @{$::o->{orderedSteps}}) {
		$s->{previous} = $_ if $s;
		$s = $::o->{steps}{$_};
	    }
	    $s = $::o->{step};
	    do { $s = $::o->{steps}{$s}{$d} } until !$s || $::o->{steps}{$s}{reachable};
	    $::setstep && $s and die "setstep $s\n";
	}
    });# if $::isInstall;

    $w->signal_connect(size_allocate => sub {
	my ($wi, $he) = @{$_[1]}[2,3];
	my ($X, $Y, $Wi, $He) = @{$my_gtk::force_center || $o->{force_center}};
        $w->set_uposition(max(0, $X + ($Wi - $wi) / 2), max(0, $Y + ($He - $he) / 2));

	if (!$::isStandalone && !$::live && !$::g_auto_install && !$::noShadow) {
	    my $sqw = $my_gtk::shape_width; #square width
	    my $wia = int(($wi+7)/8);
	    my $s = "\xFF" x ($wia*$he);
	    my $wib = $wia*8;
	    my $dif = $wib-$wi;
	    foreach my $y (0..$sqw-1) { vec($s, $wib-1-$dif-$_+$wib*$y, 1) = 0x0 foreach (0..$sqw-1) }
	    foreach my $y (0..$sqw-1) { vec($s, (($he-1)*$wib)-$wib*$y+$_, 1) = 0x0 foreach (0..$sqw-1) }
	    $w->realize;
	    my $b = Gtk::Gdk::Bitmap->create_from_data($w->window, $s, $wib, $he);
	    $w->window->shape_combine_mask($b, 0, 0);
	}
    }) if ($my_gtk::force_center || $o->{force_center}) && !($my_gtk::force_position || $o->{force_position}) ;

    $o->{window} = $f;
    $o->{rwindow} = $w;
    $table and $table->draw(undef);
}

my ($next_child, $left, $right, $up, $down);
{
    my $next_child = sub {
	my ($c, $dir) = @_;

	my @childs = $c->parent->children;
   
	my $i; for ($i = 0; $i < @childs; $i++) {
	    last if $childs[$i] == $c || $childs[$i]->subtree == $c;
	}
	$i += $dir;
	0 <= $i && $i < @childs ? $childs[$i] : undef;
    };
    $left = sub { &$next_child($_[0]->parent, 0); };
    $right = sub {
	my ($c) = @_;
	if ($c->subtree) {
	    $c->expand;
	    ($c->subtree->children)[0];
	} else {
	    $c;
	}
    };
    $down = sub {
	my ($c) = @_;
	return &$right($c) if ref $c eq "Gtk::TreeItem" && $c->subtree && $c->expanded;

	if (my $n = &$next_child($c, 1)) {
	    $n;
	} else {
	    return if ref $c->parent ne 'Gtk::Tree';	
	    &$down($c->parent);
	}
    };
    $up = sub {
	my ($c) = @_;
	if (my $n = &$next_child($c, -1)) {
	    $n = ($n->subtree->children)[-1] while ref $n eq "Gtk::TreeItem" && $n->subtree && $n->expanded;
	    $n;
	} else {
	    return if ref $c->parent ne 'Gtk::Tree';	
	    &$left($c);
	}
    };
}

sub create_treeitem($) {
    my ($name) = @_;
    
    my $w = new Gtk::TreeItem($name);
    $w->signal_connect(key_press_event => sub {
        my (undef, $e) = @_;
        local $_ = chr ($e->{keyval});

	if ($e->{keyval} > 0x100) {
	    my $n;
	    $n = &$left($w)  if /[Q�\x96]/;
	    $n = &$right($w) if /[S�\x98]/;
	    $n = &$up($w)    if /[R�\x97]/;
	    $n = &$down($w)  if /[T�\x99]/;
	    if ($n) {
		$n->focus('up');
		$w->signal_emit_stop("key_press_event"); 
	    }
	    $w->expand if /[+�]/;
	    $w->collapse if /[-\xad]/;
	    do { 
		$w->expanded ? $w->collapse : $w->expand; 
		$w->signal_emit_stop("key_press_event"); 
	    } if /[\r\x8d]/;
	}
        1;
    });
    $w;
}


#-###############################################################################
#- ask_XXX

#- just give a title and some args, and it will return the value given by the user
#-###############################################################################

sub ask_warn       { my $w = my_gtk->new(shift @_); $w->_ask_warn(@_); main($w); }
sub ask_yesorno    { my $w = my_gtk->new(shift @_); $w->_ask_okcancel(@_, _("Yes"), _("No")); main($w); }
sub ask_okcancel   { my $w = my_gtk->new(shift @_); $w->_ask_okcancel(@_, _("Is this correct?"), _("Ok"), _("Cancel")); main($w); }
sub ask_from_entry { my $w = my_gtk->new(shift @_); $w->_ask_from_entry(@_); main($w); }

sub _ask_from_entry($$@) {
    my ($o, @msgs) = @_;
    my $entry = new Gtk::Entry;
    my $f = sub { $o->{retval} = $entry->get_text; Gtk->main_quit };
    $o->{ok_clicked} = $f;
    $o->{cancel_clicked} = sub { undef $o->{retval}; Gtk->main_quit };

    gtkadd($o->{window},
	  gtkpack($o->create_box_with_title(@msgs),
		 gtksignal_connect($entry, 'activate' => $f),
		 ($o->{hide_buttons} ? () : create_okcancel($o))),
	  );
    $entry->grab_focus;
}

sub _ask_warn($@) {
    my ($o, @msgs) = @_;
    gtkadd($o->{window},
	  gtkpack($o->create_box_with_title(@msgs),
		 gtksignal_connect(my $w = new Gtk::Button(_("Ok")), "clicked" => sub { Gtk->main_quit }),
		 ),
	  );
    $w->grab_focus;
}

sub _ask_okcancel($@) {
    my ($o, @msgs) = @_;
    my ($ok, $cancel) = splice @msgs, -2;

    gtkadd($o->{window},
	   gtkpack(create_box_with_title($o, @msgs),
		   create_okcancel($o, $ok, $cancel),
		 )
	 );
    $o->{ok}->grab_focus;
}


sub _ask_file {
    my ($o, $title, $path) = @_;
    my $f = $o->{rwindow} = new Gtk::FileSelection $title;
    $f->set_filename($path);
    $f->ok_button->signal_connect(clicked => sub { $o->{retval} = $f->get_filename ; Gtk->main_quit });
    $f->cancel_button->signal_connect(clicked => sub { Gtk->main_quit });
    $f->hide_fileop_buttons;
}

sub ask_browse_tree_info {
    my ($common) = @_;

    my $w = my_gtk->new($common->{title});
    my $tree = Gtk::CTree->new(3, 0);
    $tree->set_selection_mode('browse');
    $tree->set_column_auto_resize($_, 1) foreach 1..2;
    $tree->set_column_width(0, 200);

    gtkadd($w->{window}, 
	   gtkpack_(new Gtk::VBox(0,5),
		    0, $common->{message},
		    1, gtkpack(new Gtk::HBox(0,0),
			       createScrolledWindow($tree),
			       gtkadd(gtkset_usize(new Gtk::Frame(_("Info")), $::windowwidth - 490, 0),
				      createScrolledWindow(my $info = new Gtk::Text),
				     )),
		    0, my $l = new Gtk::HBox(0,15),
		    0, gtkpack(new Gtk::HBox(0,10),
			       my $go = gtksignal_connect(new Gtk::Button($common->{ok}), "clicked" => sub { $w->{retval} = 1; Gtk->main_quit }),
			       $common->{cancel} ? (gtksignal_connect(new Gtk::Button($common->{cancel}), "clicked" => sub { $w->{retval} = 0; Gtk->main_quit })) : (),
			      )
    ));
    gtkpack__($l, my $toolbar = new Gtk::Toolbar('horizontal', 'icons'));

    if ($common->{auto_deps}) {
	gtkpack__($l, gtksignal_connect(gtkset_active(new Gtk::CheckButton($common->{auto_deps}), $common->{state}{auto_deps}),
					clicked => sub { invbool \$common->{state}{auto_deps} }));
    }
    $l->pack_end(my $status = new Gtk::Label, 0, 1, 20);

    $w->{window}->set_usize(map { $_ - 2 * $my_gtk::border - 4 } $::windowwidth, $::windowheight);
    $go->grab_focus;
    $w->{rwindow}->show_all;

    my @toolbar = (ftout  =>  [ _("Expand Tree") , sub { $tree->expand_recursive(undef) } ],
		   ftin   =>  [ _("Collapse Tree") , sub { $tree->collapse_recursive(undef) } ],
		   reload =>  [ _("Toggle between flat and group sorted"), sub { invbool(\$common->{state}{flat}); $common->{rebuild_tree}->() } ]);
    foreach my $ic (@{$common->{icons} || []}) {
	push @toolbar, ( $ic->{icon} => [ $ic->{help}, sub {
					     if ($ic->{code}) {
						 my $w = $ic->{wait_message} && $common->{wait_message}->('', $ic->{wait_message});
						 $ic->{code}();
						 $common->{rebuild_tree}->();
					     }
					 } ]);
    }
    my %toolbar = @toolbar;
    $toolbar->set_button_relief("none");
    foreach (grep_index { $::i % 2 == 0 } @toolbar) {
	gtksignal_connect($toolbar->append_item(undef, $toolbar{$_}[0], undef, gtkpng("$ENV{SHARE_PATH}/$_.png")),
			  clicked => $toolbar{$_}[1]);
    }
    $toolbar->set_style("icons");

    my $widgets = { w => $w, tree => $tree, info => $info, status => $status};
    ask_browse_tree_info_given_widgets($common, $widgets);
}

sub ask_browse_tree_info_given_widgets {
    my ($common, $w) = @_;
    my ($curr, $parent, $prev_label, $idle);
    my (%wtree, %ptree, %pix);
    my $update_size = sub {
	my $new_label = $common->{get_status}();
	$prev_label ne $new_label and $w->{status}->set($prev_label = $new_label);
    };
    
    my $set_node_state_flat = sub {
	my ($node, $state) = @_;
	unless ($pix{$state}) {
	    foreach ("$ENV{SHARE_PATH}/$state.png", "$ENV{SHARE_PATH}/rpm-$state.png") {
		if (-e $_) {
		    $pix{$state} = [ gtkcreate_png($_) ];
		    last;
		}
	    }
	    $pix{$state} or die "unable to find a pixmap for state $state";
	}
	$w->{tree}->node_set_pixmap($node, 1, $pix{$state}[0], $pix{$state}[1]);
    };
    my $set_node_state_tree; $set_node_state_tree = sub {
	my ($node, $state) = @_;
	unless ($pix{$state}) {
	    foreach ("$ENV{SHARE_PATH}/$state.png", "$ENV{SHARE_PATH}/rpm-$state.png") {
		if (-e $_) {
		    $pix{$state} = [ gtkcreate_png($_) ];
		    last;
		}
	    }
	    $pix{$state} or die "unable to find a pixmap for state $state";
	}
	if ($node->{state} ne $state) {
	    if ($node->row->is_leaf) {
		my $parent = $node->row->parent;
		my $stats = $parent->{state_stats} ||= {}; --$stats->{$node->{state}}; ++$stats->{$state};
		my @list = grep { $stats->{$_} > 0 } keys %$stats;
		my $new_state = @list == 1 ? $list[0] : 'semiselected';
		$parent->{state} ne $new_state and $set_node_state_tree->($parent, $new_state);
	    }
	    $w->{tree}->node_set_pixmap($node, 1, $pix{$state}[0], $pix{$state}[1]);
	    $node->{state} = $state; #- hack to to get this features efficiently.
	}
    };
    my $set_node_state = $common->{state}{flat} ? $set_node_state_flat : $set_node_state_tree;

    my $set_leaf_state = sub {
	my ($leaf, $state) = @_;
	$set_node_state->($_, $state) foreach @{$ptree{$leaf}};
    };
    my $add_parent; $add_parent = sub {
	my ($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 $n = $w->{tree}->insert_node($s ? $add_parent->($s, $state) : undef, undef, [$_, '', ''], 5, (undef) x 4, 0, 0);
		$n;
	    };
	    $s = $s2;
	}
	$set_node_state->($wtree{$s}, $state); #- use this state by default as tree is building.
	$wtree{$s};
    };
    my $add_node = sub {
	my ($leaf, $root) = @_;
	my $state = $common->{node_state}($leaf) or return;
	my $node = $w->{tree}->insert_node($add_parent->($root, $state), undef, [$leaf, '', ''], 5, (undef) x 4, 1, 0);
	$set_node_state->($node, $state);
	push @{$ptree{$leaf}}, $node;
    };
    $common->{rebuild_tree} = sub {
	foreach (values %ptree) {
	    delete $_->{state} foreach @$_;
	}
	foreach (values %wtree) {
	    delete $_->{state};
	    delete $_->{state_stats};
	}
	%ptree = %wtree = ();

	$w->{tree}->freeze;
	while (1) { $w->{tree}->remove_node($w->{tree}->node_nth(0) || last) }

	$set_node_state = $common->{state}{flat} ? $set_node_state_flat : $set_node_state_tree;
	$common->{build_tree}($add_node, $common->{state}{flat}, $common->{tree_mode});

	$w->{tree}->thaw;
	&$update_size;
    };
    $common->{rebuild_tree}->();
    
    my $display_info = sub { gtktext_insert($w->{info}, $common->{get_info}($curr)); 0 };
    my $children = sub { map { ($w->{tree}->node_get_pixtext($_, 0))[0] } gtkctree_children($_[0]) };
    my $toggle = sub {
	if (ref $curr && ! $_[0]) {
	    $w->{tree}->toggle_expansion($curr);
	} else {
	    if (ref $curr) {
		my @l = $common->{grep_allowed_to_toggle}($children->($curr)) or return;
		my @unsel = $common->{grep_unselected}(@l);
		my @p = @unsel ?
		  @unsel : # not all is selected, select all
		    @l;
		$common->{toggle_nodes}($set_leaf_state, @p);
		&$update_size;
		$parent = $curr;
	    } else {
		$common->{check_interactive_to_toggle}($curr) and $common->{toggle_nodes}($set_leaf_state, $curr);
		&$update_size;
	    }
	}
    };

    $w->{tree}->signal_connect(key_press_event => sub {
        my ($w, $e) = @_;
	my $c = chr($e->{keyval} & 0xff);
	$toggle->(0) if $e->{keyval} >= 0x100 ? $c eq "\r" || $c eq "\x8d" : $c eq ' ';
	1;
    });
    $w->{tree}->signal_connect(tree_select_row => sub {
	Gtk->timeout_remove($idle) if $idle;

	if ($_[1]->row->is_leaf) {
	    ($curr) = $w->{tree}->node_get_pixtext($_[1], 0);
	    $parent = $_[1]->row->parent;
	    $idle = Gtk->timeout_add(100, $display_info);
	} else {
	    $curr = $_[1];
	}
	$toggle->(1) if $_[2] == 1;
    });
    &$update_size;
    my $b = before_leaving { #- ensure cleaning here.
	foreach (values %ptree) {
	    delete $_->{state} foreach @$_;
	}
	foreach (values %wtree) {
	    delete $_->{state};
	    delete $_->{state_stats};
	}
    };
    $w->{w}->main;
}

1;

#-###############################################################################
#- rubbish
#-###############################################################################

#-sub label_align($$) {
#-    my $w = shift;
#-    local $_ = shift;
#-    $w->set_alignment(!/W/i, !/N/i);
#-    $w
#-}
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