path: root/perl-install/my_gtk.pm

 #-########################################################################
#- Pixel's implementation of Perl-GTK  :-)  [DDX]
#-########################################################################
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__ gtkset_editable gtksetstyle 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 gtkshow gtkhide gtkdestroy gtkset_mousecursor gtkset_mousecursor_normal gtkset_mousecursor_wait gtkset_background gtkset_default_fontset gtkctree_children gtkxpm gtkpng create_pix_text fill_tiled 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) {
	my $rc = "/etc/gtk/wizard.rc";
	-r $rc or $rc = dirname(__FILE__) . "/wizard.rc";
	Gtk::Rc->parse($rc);
	$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');
	    $::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= new Gtk::Style;
	    $style->font(Gtk::Gdk::Font->fontset_load("-adobe-times-bold-r-normal-*-25-*-100-100-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}, 1, 2, 1, 2, [-fill, -expand], [-fill, -expand], 0, 0);
    }

    $::isEmbedded && !$my_gtk::pop_it or return $o;
    $o->{window} = new Gtk::HBox(0,0);
    $o->{rwindow} = $o->{window};
    defined($::Plug) or $::Plug = new Gtk::Plug ($::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 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($@) {
    my $box = shift;
    gtkpack_($box, map {; 1, $_ } @_);
}
sub gtkpack__($@) {
    my $box = shift;
    gtkpack_($box, map {; 0, $_ } @_);
}

sub gtkpack_($@) {
    my $box = shift;
    for (my $i = 0; $i < @_; $i += 2) {
	my $l = $_[$i + 1];
	ref $l or $l = new Gtk::Label($l);
	$box->pack_start($l, $_[$i], 1, 0);
	$l->show;
    }
    $box
}
sub gtkpack2($@) {
    my $box = shift;
    gtkpack2_($box, map {; 1, $_ } @_);
}
sub gtkpack2__($@) {
    my $box = shift;
    gtkpack2_($box, map {; 0, $_ } @_);
}
sub gtkpack3 {
    my $a = shift;
    $a && goto \&gtkpack2__;
    goto \&gtkpack2;
}
sub gtkpack2_($@) {
    my $box = shift;
    for (my $i = 0; $i < @_; $i += 2) {
	my $l = $_[$i + 1];
	ref $l or $l = new Gtk::Label($l);
	$box->pack_start($l, $_[$i], 0, 0);
	$l->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_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;
}

sub gtkcreate_xpm {
    my ($w, $f) = @_;
    $f =~ m|.xpm$| or $f="$f.xpm";
    if ( $f !~ /\//) { -e "$_/$f" and $f="$_/$f", last foreach $ENV{SHARE_PATH}, "$ENV{SHARE_PATH}/libDrakX/pixmaps", "pixmaps" }
    my @l = Gtk::Gdk::Pixmap->create_from_xpm($w->window, $w->style->bg('normal'), $f) or die "gtkcreate_xpm: missing pixmap file $f";
    @l;
}
sub gtkcreate_png {
    my ($f) = @_;
    $f =~ m|.png$| or $f="$f.png";
    if ( $f !~ /\//) { -e "$_/$f" and $f="$_/$f", last foreach $ENV{SHARE_PATH}, "$ENV{SHARE_PATH}/icons", "$ENV{SHARE_PATH}/libDrakX/pixmaps", "pixmaps" }
    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 {
    #reference widget, text, color_text, font(opt), width(opt), height(opt), background(opt) (gtkcolor or gdkpixmap), flag1, flag2
    my ($w, $text, $color_text, $font, $max_width, $max_height, $can_be_greater, $can_be_smaller, $background, $x_back, $y_back) = @_;
    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 $max_width2 = $max_width;
    $font ||= _("-adobe-utopia-medium-r-normal-*-12-*-*-*-p-*-iso8859-*,*-r-*");
    my $style= new Gtk::Style;
    $style->font(Gtk::Gdk::Font->fontset_load($font));
    my @lines;
    my @heights;
    $heights[0] = 0;
    my @ascents;
    my @descents;
    my $flag = 1;
    my $idx = 0;
    my $height = 0;
    my $width = 0;
    my $real_width = 0;
    my $real_height = 0;
    my @t = split(' ', $text);
    foreach (@t) {
	my $l = $style->font->string_width($_ . if_(!$flag, " "));
	if ($width + $l > $max_width2 && !$flag) {
	    $flag = 1;
	    $width = 0;
	    $height += $style->font->string_height($lines[$idx]);
	    $heights[$idx+1] = $height;
	    (undef, undef, undef, $ascents[$idx], $descents[$idx]) = $style->font->string_extents($lines[$idx]);
	    $idx++;
	}
	$lines[$idx] = $flag ? "$_" : $lines[$idx] . " $_";
	$width += $l;
	$flag = 0;
	$l <= $max_width2 or $max_width2 = $l;
	$width <= $real_width or $real_width = $width;
    }
    $height += $style->font->string_height($lines[$idx]);
    (undef, undef, undef, $ascents[$idx], $descents[$idx]) = $style->font->string_extents($lines[$idx]);

    $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;
    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, 0, $ascents[$i] + $heights[$i], $_);
	$i++;
    }
    ($pix, $width, $height);
}

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 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;

    $o->{box_size} = sum(map { round(length($_) / 60 + 1/2) } map { split "\n" } @_);
    $o->{box} = new Gtk::VBox(0,0);
    $o->{icon} && !$::isWizard and eval { gtkpack__($o->{box}, gtkset_border_width(gtkpack_(new Gtk::HBox(0,0), 1, gtkpng($o->{icon})),5)); };
    if (@_ <= 2 && $o->{box_size} > 4) {
	my $wanted = n_line_size($o->{box_size}, 'text', $o->{box});
	my $height = min(250, $wanted);
	my $has_scroll = $height < $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, $height);
	gtkpack__($o->{box}, $scroll);
    } else {
	my $a = !$::no_separator;
	undef $::no_separator;
	gtkpack__($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};

    $w->signal_connect(focus => sub { Gtk->idle_add(sub { $w->ensure_focus($_[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) {
	    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;
}

1;

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

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