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Diffstat (limited to 'perl-install/ugtk3.pm')
| -rw-r--r-- | perl-install/ugtk3.pm | 1640 | 
1 files changed, 1640 insertions, 0 deletions
| diff --git a/perl-install/ugtk3.pm b/perl-install/ugtk3.pm new file mode 100644 index 000000000..a479ab994 --- /dev/null +++ b/perl-install/ugtk3.pm @@ -0,0 +1,1640 @@ +package ugtk3; + +use diagnostics; +use strict; +use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK @icon_paths $wm_icon $grab $border); #- leave it on one line, for automatic removal of the line at package creation +use locale; + +@ISA = qw(Exporter); +%EXPORT_TAGS = ( +    wrappers => [ qw(gtkadd gtkadd_widget gtkappend gtkappend_page gtkappenditems gtkcombo_setpopdown_strings gtkdestroy +                     gtkentry gtkflush gtkhide gtkoverride_font gtkmove gtkpack gtkpack2 gtkpack2_ +                     gtkpack2__ gtkpack_ gtkpack__ gtkpowerpack gtkput gtkradio gtkresize gtkroot +                     gtkset_active gtkset_border_width gtkset_editable gtkset_justify gtkset_alignment gtkset_layout gtkset_line_wrap +                     gtkset_markup gtkset_modal gtkset_mousecursor gtkset_mousecursor_normal gtkset_mousecursor_wait gtkset_name +                     gtkset_property gtkset_relief gtkset_selectable gtkset_sensitive gtkset_shadow_type gtkset_size_request +                     gtkset_text gtkset_tip gtkset_visibility gtksetstyle gtkshow gtksignal_connect gtksize gtktext_append +                     gtktext_insert ) ], + +    helpers => [ qw(add2notebook add_icon_path escape_text_for_TextView_markup_format gtkcreate_img +                    gtkcreate_pixbuf gtkfontinfo gtktreeview_children set_back_pixmap +                    get_default_step_items set_default_step_items +                    string_size string_width) ], + +    create => [ qw(create_adjustment create_box_with_title create_dialog  +                   create_hbox create_hpaned create_menu create_notebook create_okcancel create_packtable +                   create_scrolled_window create_vbox create_vpaned _create_dialog gtkcreate_frame) ], + +    ask => [ qw(ask_browse_tree_info ask_browse_tree_info_given_widgets ask_dir ask_from_entry ask_okcancel ask_warn +                ask_yesorno) ], +    dialogs => [ qw(err_dialog info_dialog warn_dialog) ], + +); +$EXPORT_TAGS{all} = [ map { @$_ } values %EXPORT_TAGS ]; +@EXPORT_OK = map { @$_ } values %EXPORT_TAGS; + +use c; +use log; +use common; +use mygtk3 qw(gtknew); #- do not import gtkadd which conflicts with ugtk3 version + +use Gtk3; + +=head1 SYNOPSYS + +B<ugtk3> enables to write GUIes using Gtk+3. It adds nice wrappers on top of +L<Gtk3>, notably gtkpowerpack() and its children gtkpack*() + +=head1 Functions + +=cut + +$border = 5; + +sub wm_icon() { $wm_icon || $::Wizard_pix_up || "wiz_default_up.png" } + +=head1 Wrappers + +Functional-style wrappers to existing Gtk functions; allows to program in +a more functional way, and especially, first, to avoid using temp +variables, and second, to "see" directly in the code the user interface +you're building. + +=over + +=cut + +sub gtkdestroy                { mygtk3::may_destroy($_[0]) } +sub gtkflush()                { mygtk3::flush() } +sub gtkhide                   { $_[0]->hide; $_[0] } +sub gtkmove                   { $_[0]->get_window->move($_[1], $_[2]); $_[0] } + +=item gtkpack($container, @widgets) + +Pack all @widgets in the container, telling Gtk+ they can all expand if space is available. + +=cut + +sub gtkpack                   { gtkpowerpack(1, 1, @_) } + +=item gtkpack_($container, @widgets) + +@widgets is a list of array refs: ([ $can_expand1, $widget1 ], [ $can_expand2, $widget2 ], ...) + +Pack all @widgets in the container, telling Gtk+ if each wiget can or cannot expand +if space is available according to its flag. + +=cut + +sub gtkpack_                  { gtkpowerpack('arg', 1, @_) } + +=item gtkpack__($container, @widgets) + +Pack all @widgets in the container, telling Gtk+ they must B<not> expand beyond +their natural size if space is available. + +=cut + +sub gtkpack__                 { gtkpowerpack(0, 1, @_) } +sub gtkpack2                  { gtkpowerpack(1, 0, @_) } +sub gtkpack2_                 { gtkpowerpack('arg', 0, @_) } +sub gtkpack2__                { gtkpowerpack(0, 0, @_) } +sub gtkput                    { $_[0]->put(gtkshow($_[1]), $_[2], $_[3]); $_[0] } +sub gtkresize                 { $_[0]->get_window->resize($_[1], $_[2]); $_[0] } +sub gtkset_active             { $_[0]->set_active($_[1]); $_[0] } +sub gtkset_border_width       { $_[0]->set_border_width($_[1]); $_[0] } +sub gtkset_editable           { $_[0]->set_editable($_[1]); $_[0] } +sub gtkset_selectable         { $_[0]->set_selectable($_[1]); $_[0] } +sub gtkset_justify            { $_[0]->set_justify($_[1]); $_[0] } +sub gtkset_alignment          { $_[0]->set_alignment($_[1], $_[2]); $_[0] } +sub gtkset_layout             { $_[0]->set_layout($_[1]); $_[0] } +sub gtkset_modal              { $_[0]->set_modal($_[1]); $_[0] } +sub gtkset_mousecursor_normal { gtkset_mousecursor('left-ptr', @_) } +sub gtkset_mousecursor_wait   { gtkset_mousecursor('watch', @_) } +sub gtkset_relief             { $_[0]->set_relief($_[1]); $_[0] } +sub gtkset_sensitive          { $_[0]->set_sensitive($_[1]); $_[0] } +sub gtkset_visibility         { $_[0]->set_visibility($_[1]); $_[0] } +sub gtkset_tip                { $_[0]->set_tooltip_text($_[1]) if $_[1]; $_[0] } +sub gtkset_shadow_type        { $_[0]->set_shadow_type($_[1]); $_[0] } +sub gtkset_style              { $_[0]->set_style($_[1]); $_[0] } +sub gtkset_size_request       { $_[0]->set_size_request($_[1], $_[2]); $_[0] } +sub gtkshow                   { $_[0]->show; $_[0] } +sub gtksize                   { $_[0]->size($_[1], $_[2]); $_[0] } +sub gtkset_markup             { $_[0]->set_markup($_[1]); $_[0] } +sub gtkset_line_wrap          { $_[0]->set_line_wrap($_[1]); $_[0] } + +sub gtkadd { +    my $w = shift; +    foreach my $l (@_) { +	ref $l or $l = gtknew('WrappedLabel', text => $l); +	$w->add(gtkshow($l)); +    } +    $w; +} + +sub gtkadd_widget { +    my $sg = shift; +    map { +        my $l = $_; +        ref $l or $l = gtknew('WrappedLabel', text => $l); +        $sg->add_widget($l); +        $l; +    } @_; +} + +sub gtkappend { +    my $w = shift; +    foreach my $l (@_) { +	ref $l or $l = gtknew('WrappedLabel', text => $l); +	$w->append(gtkshow($l)); +    } +    $w; +} + +sub gtkappenditems { +    my $w = shift; +    $_->show foreach @_; +    $w->append_items(@_); +    $w; +} + +=item gtkappend_page($notebook, $page, $o_title) + +append page to a notebook + +=cut + +sub gtkappend_page { +    my ($notebook, $page, $o_title) = @_; +    $notebook->append_page($page, $o_title); +    $notebook; +} + +sub gtkentry { +    my ($o_text) = @_; +    my $e = gtknew('Entry'); +    $o_text and $e->set_text($o_text); +    $e; +} + +sub gtksetstyle {  +    my ($w, $s) = @_; +    $w->set_style($s); +    $w; +} + +sub gtkradio { +    my $def = shift; +    my $radio; +    map { +        my $w = gtkset_active($radio = Gtk3::RadioButton->new_with_label_from_widget($radio, $_), $_ eq $def); +        $w->get_child->set_line_wrap(1); +        $w; +      } @_; +} + +sub gtkroot() { mygtk3::root_window() } + +sub gtkset_text { +    my ($w, $s) = @_; +    $w->set_text($s); +    $w; +} + +sub gtkcombo_setpopdown_strings { +    my $w = shift; +    $w->set_popdown_strings(@_); +    $w; +} + +sub gtkset_mousecursor { +    my ($type, $w) = @_; +    ($w || gtkroot())->set_cursor(Gtk3::Gdk::Cursor->new($type)); +    $w; +} + +sub gtksignal_connect { +    my $w = shift; +    $w->signal_connect(@_); +    $w; +} + +sub gtkset_name { +    my ($widget, $name) = @_; +    $widget->set_name($name); +    $widget; +} + + +=item gtkpowerpack() + +Get Default Attributes (if any). 2 syntaxes allowed : + +=over 4 + +=item * gtkpowerpack( {expand => 1, fill => 0}, $box...) + +the attributes are picked from a specified hash ref + +=item * gtkpowerpack(1, 0, 1, $box, ...) + +the attributes are picked from the non-ref list, in the order (expand, fill, padding, pack_end). + +=back + +=cut + +sub gtkpowerpack { +    my @attributes_list = qw(expand fill padding pack_end); +    my $default_attrs = {}; +    if (ref($_[0]) eq 'HASH') { +	$default_attrs = shift; +    } elsif (!ref($_[0])) { +	foreach (@attributes_list) { +	    ref($_[0]) and last; +	    $default_attrs->{$_} = shift; +	} +    } +    my $box = shift; + +    while (@_) { + +=pod + +Get attributes (if specified). 4 syntaxes allowed (default values are undef ie. false...) : + +=over 4 + +=item $ gtkpowerpack({defaultattrs}, $box, $widget1, $widget2, ...) + +the attrs are picked from the default ones (if they exist) + +=item $ gtkpowerpack($box, {fill=>1, expand=>0, ...}, $widget1, ...) + +the attributes are picked from a specified hash ref + +=item $ gtkpowerpack($box, [1,0,1], $widget1, ...) + +the attributes are picked from the array ref : (expand, fill, padding, pack_end). + +=item $ 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... + +=back + +=cut + +	my (%attr, $attrs); +	member(ref($_[0]), qw(HASH ARRAY)) and $attrs = shift; +	foreach (@attributes_list) { +	    if (($default_attrs->{$_} || '') eq 'arg') { +		ref($_[0]) and internal_error "error in packing definition\n"; +		$attr{$_} = shift; +		ref($attrs) eq 'ARRAY' and shift @$attrs; +	    } elsif (ref($attrs) eq 'HASH' && defined($attrs->{$_})) { +		$attr{$_} = $attrs->{$_}; +	    } elsif (ref($attrs) eq 'ARRAY') { +		$attr{$_} = shift @$attrs; +	    } elsif (defined($default_attrs->{$_})) { +		$attr{$_} = int $default_attrs->{$_}; +	    } else { +		$attr{$_} = 0; +	    } +	} +	#- Get and pack the widget (create it if necessary to  a label...) +	my $widget = ref($_[0]) ? shift : gtknew('WrappedLabel', text => shift); +	my $pack_call = 'pack_' . ($attr{pack_end} ? 'end' : 'start'); +	$box->$pack_call($widget, $attr{expand}, $attr{fill}, $attr{padding}); +	$widget->show; +    } +    return $box; +} + +sub gtktreeview_children { +    my ($model, $iter) = @_; +    my @l; +    $model or return; +    my $p = $model->iter_children($iter); +    $p or return; +    push @l, $p->copy; +    while ($model->iter_next($p)) { +	push @l, $p->copy; +    } +    @l; +} + +=back + +=head1 Create functions + +Helpers that allow omitting common operations on common widgets +(e.g. create widgets with good default properties) + +=over + +=cut + +sub create_pixbutton { +    my ($label, $pix, $reverse_order) = @_; +    my @label_and_pix = (0, $label, if_($pix, 0, $pix)); +    gtkadd(gtknew('Button'), +	   gtknew('HBox', spacing => 3, children => [ +		    1, "", +		    $reverse_order ? reverse(@label_and_pix) : @label_and_pix, +		    1, "", +		])); +} + +sub create_adjustment { +    my ($val, $min, $max) = @_; +    Gtk3::Adjustment->new($val, $min, $max + 1, 1, ($max - $min + 1) / 10, 1); +} + +sub create_scrolled_window { +    my ($W, $o_policy, $o_viewport_shadow) = @_; +    gtknew('ScrolledWindow', ($o_policy ? (h_policy => $o_policy->[0], v_policy => $o_policy->[1]) : ()), +               child => $W, if_($o_viewport_shadow, shadow_type => $o_viewport_shadow)); +} + +sub n_line_size { +    my ($nbline, $type, $widget) = @_; +    my $spacing = ${{ text => 3, various => 17 }}{$type}; +    my %fontinfo = gtkfontinfo($widget); +    round($nbline * ($fontinfo{ascent} + $fontinfo{descent} + $spacing) + 8); +} + +=item escape_text_for_TextView_markup_format($str) + +Glib::Markup::escape_text() if no use for us because it'll do extra +s/X/&foobar;/ (such as s/'/'/) that are suitable for +Gtk3::Labels but are not for Gtk3::TextViews, resulting in +displaying the raw enriched text instead... + +=cut + +sub escape_text_for_TextView_markup_format { +    my ($str) = @_; +    my %rules = ('&' => '&', +               '<' => '<', +               '>' => '>', +           ); +    eval { $str =~ s!([&<>])!$rules{$1}!g }; #^(&(amp|lt|gt);)!!) { +    if (my $err = $@) { +           internal_error("$err\n$str"); +    } +    $str; +} + +sub markup_to_TextView_format { +    my ($s, $o_default_attrs) = @_; +    require interactive; +    my $l = interactive::markup_parse($s) or return $s; +     +    foreach (@$l) { +	my ($_txt, $attrs) = @$_; +	if ($attrs) { +         $attrs->{weight} eq 'bold' and $attrs->{weight} = 'bold'; +         $attrs->{size} eq 'larger' and do { +             $attrs->{scale} = 1.4399999999999; # PANGO_SCALE_X_LARGE: equivalent to Label's size => 'larger' +             delete $attrs->{size}; +         }; +     } +	#- nb: $attrs may be empty, need special handling if $o_default_attrs is used +	add2hash_($_->[1] ||= {}, $o_default_attrs) if $o_default_attrs; +    } +    $l; +} + +sub create_box_with_title { +    my ($o, @l) = @_; + +    my $nbline = sum(map { round(length($_) / 60 + 1/2) } map { split "\n" } @l); +    my $box = gtknew('VBox'); +    if ($nbline == 0) { +	$o->{box_size} = 0; +	return $box; +    } +    $o->{box_size} = n_line_size($nbline, 'text', $box); +    if (@l <= 2 && $nbline > 4) { +	$o->{icon} && !$::isWizard and  +	  eval { gtkpack__($box, gtknew('HBox', border_width => 5, children_loose => [ gtkcreate_img($o->{icon}) ])) }; +	my $wanted = $o->{box_size}; +	$o->{box_size} = min(200, $o->{box_size}); +	my $has_scroll = $o->{box_size} < $wanted; + +	chomp(my $text = join("\n", @l)); +	my $wtext = gtknew('TextView', text => markup_to_TextView_format($text)); +	$wtext->set_justification('fill'); +	$wtext->set_left_margin(12); +	$wtext->set_right_margin(12); +	$wtext->set_can_focus($has_scroll); +	my $width = 400; +	my $scroll = gtknew('ScrolledWindow', child => $wtext, width => $width, height => 200); +	$scroll->signal_connect(realize => sub { +                                my $layout = $wtext->create_pango_layout($text); +                                $layout->set_width(Pango::units_from_double($width - 10)); +                                $wtext->set_size_request($width,  min(200, second($layout->get_pixel_size) + 10)); +                                $scroll->set_size_request($width, min(200, second($layout->get_pixel_size) + 10)); +                                $o->{rwindow}->queue_resize; +                            }); +	gtkpack_($box, $o->{box_allow_grow} || 0, $scroll); +    } else { +     my $new_label = sub { +         my ($txt) = @_; +         ref($txt) ? $txt : gtknew('WrappedLabel', text_markup => $txt, +                                   # workaround infamous 6 years old gnome bug #101968: +                                   width => mygtk3::get_label_width()); +     }; +	    gtkpack__($box, +		      if_($::isWizard, gtknew('Label', height => 10)), +		      (map { +			  my $w = $new_label->($_); +			  $::isWizard ? gtknew('HBox', children_tight => [ gtknew('Label', width => 20), $w ]) +			              : $w; +		      } @l), +		      if_($::isWizard, gtknew('Label', height => 15)), +		     ); +    } +} + +sub _create_dialog { +    my ($title, $o_options) = @_; +    my $options = $o_options || {}; + +    #- keep compatibility with "transient" now called "transient_for" +    $options->{transient_for} = delete $options->{transient} if $options->{transient}; + +    gtknew('Dialog', title => $title,  +	   position_policy => 'center-on-parent', # center-on-parent does not work +	   modal => 1, +	   if_(!$::isInstall, icon_no_error => wm_icon()), +	   %$options, allow_unknown_options => 1, +       ); +} + + +# drakfloppy / drakfont / harddrake2 / mcc +sub create_dialog { +    my ($title, $label, $o_options) = @_; +    my $ret = 0; +    $o_options ||= {}; +    $o_options->{transient_for} = $::main_window if !$o_options->{transient_for} && $::main_window; + +    my $dialog =  gtkset_border_width(_create_dialog($title, $o_options), 10); +    $dialog->set_border_width(10); +    my $text = ref($label) ? $label : $o_options->{use_markup} ? gtknew('WrappedLabel', text_markup => $label) : gtknew('WrappedLabel', text => $label); +    gtkpack($dialog->get_child, +            gtknew('HBox', children => [ +                     if_($o_options->{stock}, +                         0, Gtk3::Image->new_from_stock($o_options->{stock} || '', 'dialog'), +                         0, gtknew('Label', text => "   "), +                        ), +                     1, $o_options->{scroll} ? create_scrolled_window($text, [ 'never', 'automatic' ]) : $text, +                    ]), +           ); + +    if ($o_options->{cancel}) { +	$dialog->get_action_area->pack_start( +	    gtknew('Button', text => N("Cancel"), +		   clicked => sub { $ret = 0; $dialog->destroy; Gtk3->main_quit }, +		   can_default => 1),  +	    1, 1, 0); +    } + +    my $button = gtknew('Button', text => N("Ok"), can_default => 1, +			clicked => sub { $ret = 1; $dialog->destroy; Gtk3->main_quit }); +    $dialog->get_action_area->pack_start($button, 1, 1, 0); +    $button->grab_default; + +    $dialog->show_all; +    Gtk3->main; +    $ret; +} + +sub info_dialog { +    my ($title, $label, $o_options) = @_; +    $o_options ||= { }; +    add2hash_($o_options, { stock => 'gtk-dialog-info' }); +    create_dialog($title, $label, $o_options); +} + +sub warn_dialog { +    my ($title, $label, $o_options) = @_; +    $o_options ||= { }; +    add2hash_($o_options, { stock => 'gtk-dialog-warning', cancel => 1 }); +    create_dialog($title, $label, $o_options); +} + +sub err_dialog { +    my ($title, $label, $o_options) = @_; +    $o_options ||= { }; +    add2hash_($o_options, { stock => 'gtk-dialog-error' }); +    create_dialog($title, $label, $o_options); +} + +sub create_hbox { gtknew('HButtonBox', layout => $_[0]) } +sub create_vbox { gtknew('VButtonBox', layout => $_[0]) } + +sub create_menu { +    my $title = shift; +    my $w = Gtk3::MenuItem->new($title); +    $w->set_submenu(gtkshow(gtkappend(Gtk3::Menu->new, @_))); +    $w; +} + +sub create_notebook { +    my $book = gtknew('Notebook'); +    while (@_) { +	my ($page, $title) = splice(@_, 0, 2); +	gtkappend_page($book, $page, $title); +    } +    $book; +} + +sub create_packtable { +    my ($options, @l) = @_; +    my $w = Gtk3::Table->new(0, 0, $options->{homogeneous} || 0); +    add2hash_($options, { xpadding => 5, ypadding => 0 }); +    each_index { +	my ($i, $l) = ($::i, $_); +	each_index { +	    my $j = $::i; +	    if ($_) { +		ref $_ or $_ = gtknew('WrappedLabel', text => $_); +		$j != $#$l && !$options->{mcc} ? +		  $w->attach($_, $j, $j + 1, $i, $i + 1, +			     'fill', 'fill', $options->{xpadding}, $options->{ypadding}) : +		  $w->attach($_, $j, $j + 1, $i, $i + 1, +			     ['expand', 'fill'], ref($_) eq 'Gtk3::ScrolledWindow' || $_->get_data('must_grow') ? ['expand', 'fill'] : [], 0, 0); +		$_->show; +	    } +	} @$l; +    } @l; +    $w->set_col_spacings($options->{col_spacings} || 0); +    $w->set_row_spacings($options->{row_spacings} || 0); +    gtkset_border_width($w, $::isInstall ? 3 : 10); +} + +my $wm_is_kde; +sub create_okcancel { +    my ($w, $o_ok, $o_cancel, $_o_spread, @other) = @_; +    # @other is a list of extra buttons (usually help (eg: XFdrake/drakx caller) or advanced (eg: interactive caller) button) +    # extra buttons have the following structure [ label, handler, is_first, pack_right ] +    local $::isWizard = $::isWizard && !$w->{pop_it}; +    my $cancel; +    if (defined $o_cancel || defined $o_ok) { +        $cancel = $o_cancel; +    } elsif (!$::Wizard_no_previous) { +        $cancel = $::isWizard ? N("Previous") : N("Cancel"); +    } +    my $ok = defined $o_ok ? $o_ok : $::isWizard ? ($::Wizard_finished ? N("Finish") : N("Next")) : N("Ok"); +    my $bok = $ok && ($w->{ok} = gtknew('Button', text => $ok, clicked => $w->{ok_clicked} || sub { $w->{retval} = 1; Gtk3->main_quit })); +    my $bprev; +    if ($cancel) { +        $bprev = $w->{cancel} = gtknew('Button', text => $cancel, clicked => $w->{cancel_clicked} ||  +                                   sub { log::l("default cancel_clicked"); undef $w->{retval}; Gtk3->main_quit }); +    } +    $w->{wizcancel} = gtknew('Button', text =>  ($::Wizard_skip ? N("Skip") : N("Cancel")), clicked => sub { die 'wizcancel' }) if $::isWizard && !$::isInstall && !$::Wizard_no_cancel; +    if (!defined $wm_is_kde) { +        require any; +        my $wm = any::running_window_manager(); +        $wm_is_kde = !$::isInstall && (member($wm, qw(kwin compiz)) && fuzzy_pidofs(qr/\bkde-window-decorator\b/)) || 0; +    } +    my $f = sub { $w->{buttons}{$_[0][0]} = ref($_[0][0]) =~ /Gtk3::Button/ ? +                    $_[0][0] : +                    gtknew('Button', text => $_[0][0], clicked => $_[0][1]) }; +    my @left  = ((map { $f->($_) } grep {  $_->[2] && !$_->[3] } @other), +                  map { $f->($_) } grep { !$_->[2] && !$_->[3] } @other); +    my @right = ((map { $f->($_) } grep {  $_->[2] &&  $_->[3] } @other), +                  map { $f->($_) } grep { !$_->[2] &&  $_->[3] } @other); +    # we put space to group buttons in two packs (but if there's only one when not in wizard mode) +    # but in the installer where all windows run in wizard mode because of design even when not in a wizard step +    $bprev = gtknew('Label') if !$cancel && $::Wizard_no_previous && !@left && !@right; +    if ($::isWizard || $w->{pop_it}) { +        # wizard mode: order is cancel/left_extras/white/right_extras/prev/next +        unshift @left, $w->{wizcancel} if $w->{wizcancel}; +        push @right, $bprev, $bok; +    } else {  +        # normal mode: cancel/ok button follow GNOME's HIG +        unshift @left, ($wm_is_kde ? $bok : $bprev); +        push @left, gtknew('Label') if $ok && $cancel; # space buttons but if there's only one button +        push @right, ($wm_is_kde ? $bprev : $bok); +    } + +    gtknew('VBox', spacing => 5, children_loose => [ +	    gtknew('HBox', height => 5), +            gtknew('HSeparator'), +            gtknew('HBox', children_loose => [ +                   map { +		       gtknew('HButtonBox', spacing => 5, layout => $_->[1], +			      children_loose => [ +				  map { +				      $_->set_can_default(to_bool($::isWizard)); +				      $_; +				  } grep { $_ } @{$_->[0]}  +			      ]); +                    } ([ \@left, 'start' ], +                       [ \@right,  'end' ], +                      ) +                    ]), +           ]); +} + +sub _setup_paned { +    my ($paned, $child1, $child2, %options) = @_; +    foreach ([ 'resize1', 0 ], [ 'shrink1', 1 ], [ 'resize2', 1 ], [ 'shrink2', 1 ]) { +        $options{$_->[0]} = $_->[1] unless defined($options{$_->[0]}); +    } +    $paned->pack1(gtkshow($child1), $options{resize1}, $options{shrink1}); +    $paned->pack2(gtkshow($child2), $options{resize2}, $options{shrink2}); +    gtkshow($paned); +} + +sub create_vpaned { +    _setup_paned(Gtk3::Paned->new('vertical'), @_); +} + +sub create_hpaned { +    _setup_paned(Gtk3::Paned->new('horizontal'), @_); +} + +sub gtkcreate_frame { +    my ($label) = @_; +    gtknew('Frame', text => $label, border_width => 5); +} + +=back + +=head1 Helpers + +Functions that do typical operations on widgets, that you may need in +several places of your programs. + +=over + +=cut + +sub _find_imgfile { +    my ($name) = @_; + +    if ($name =~ m|/| && -f $name) { +	$name; +    } else { +	foreach my $path (icon_paths()) { +	    foreach ('', '.png', '.xpm') { +		my $file = "$path/$name$_"; +		-f $file and return $file; +	    } +	} +    } +} + +=item gtkcreate_img($file, $o_size) + +use it if you want to display an icon/image in your app + +=cut + +sub gtkcreate_img { +    my ($file, $o_size) = @_; +    gtknew('Image', file => $file, if_($o_size, size => $o_size)); +} + +=item gtkcreate_pixbuf($file, $o_size) + +use it if you want to draw an image onto a drawingarea + +=cut + +sub gtkcreate_pixbuf { +    my ($file, $o_size) = @_; +    gtknew('Pixbuf', file => $file, if_($o_size, size => $o_size)); +} + +sub gtktext_append { gtktext_insert(@_, append => 1) } + +sub may_set_icon { +    my ($w, $name) = @_; +    if (my $f = $name && _find_imgfile($name)) { +	$w->set_icon(gtkcreate_pixbuf($f)); +    } +} + +sub gtktext_insert { &mygtk3::_text_insert } +sub icon_paths { &mygtk3::_icon_paths } +sub add_icon_path { &mygtk3::add_icon_path } + +sub set_main_window_size {  +    my ($o) = @_; +    mygtk3::set_main_window_size($o->{rwindow}); +} + +=item gtkfontinfo($widget) + +extracts interesting font metrics for a given widget + +=cut + +sub gtkfontinfo { +    my ($widget) = @_; +    my $context = $widget->get_pango_context; +    my $metrics = $context->get_metrics($context->get_font_description, $context->get_language); +    my %fontinfo; +    foreach (qw(ascent descent approximate_char_width approximate_digit_width)) { +	no strict; +	my $func = "get_$_"; +	$fontinfo{$_} = Pango::units_to_double($metrics->$func); +    } +    %fontinfo; +} + +sub gtkoverride_font { +    my ($w, $arg) = @_; +    $w->override_font(ref($arg) ? $arg : Pango::FontDescription->from_string($arg)); +    $w; +} + +sub gtkset_property { +    my ($w, $property, $value) = @_; +    $w->set_property($property, $value); +    $w; +} + +sub set_back_pixmap { +    my ($w) = @_; +    return if !$w->get_realized; +    my $window = $w->get_window; +    my $pixmap = $w->{back_pixmap} ||= Gtk3::Gdk::Pixmap->new($window, 1, 2, $window->get_depth); + +    my $style = $w->get_style; +    $pixmap->draw_points($style->bg_gc('normal'), 0, 0); +    $pixmap->draw_points($style->base_gc('normal'), 0, 1); +    $window->set_back_pixmap($pixmap); +} + +sub add2notebook { +    my ($n, $title, $book) = @_; +    $n->append_page($book, gtkshow(gtknew('Label', text => $title))); +    $book->show; +} + +sub string_size { +    my ($widget, $text) = @_; +    my $layout = $widget->create_pango_layout($text); +    my @size = $layout->get_pixel_size; +    @size; +} + +sub string_width { +    my ($widget, $text) = @_; +    my ($width, undef) = string_size($widget, $text); +    $width; +} + + +my ($def_step_title); +sub set_default_step_items { +    $def_step_title = translate($_[0]); +} + +sub get_default_step_items { ($def_step_title) } + +=back + +=head1 Toplevel window creation helper + +=over + +=item new($type, $title, %opts) + +Use the 'new' function as a method constructor and then 'main' on it to +launch the main loop. Use $o->{retval} to indicate that the window needs +to terminate. +Set $::isWizard to have a wizard appearance. +Set $::isEmbedded and $::XID so that the window will plug. + +=cut + +sub new { +    my ($type, $title, %opts) = @_; + +    my $o = bless { %opts }, $type; +    while (my $e = shift @tempory::objects) { $e->destroy } + +    my $icon = find { _find_imgfile($_) } $::isInstall ? 'empty-banner' : $opts{icon}; +    my $banner_title = $opts{banner_title}; +    $o->{transient} ||= $::main_window if $::main_window && !$opts{do_not_track_main_window}; +    my $window = gtknew( +	'MagicWindow', +	title => $title || '', +	pop_it => $o->{pop_it}, +	$::isInstall ? (banner => gtknew('Install_Title', text => $title || get_default_step_items())) : (), +	$::isStandalone && $banner_title && $icon ? (banner => Gtk3::Banner->new($icon, $banner_title)) : (), +	width => $opts{width}, height => $opts{height}, default_width => $opts{default_width}, default_height => $opts{default_height},  +	modal => (!$o->{pop_it} && !$::isInstall) && ($opts{modal} || $grab || $o->{grab}) || $o->{modal}, +	no_Window_Manager => exists $opts{no_Window_Manager} ? $opts{no_Window_Manager} : !$::isStandalone, +	if_(!$::isInstall, icon_no_error => wm_icon()), +	if_($o->{transient}, transient_for => $o->{transient}),  +    ); +    mygtk3::register_main_window($window->{real_window}) if !$opts{do_not_track_main_window}; +    $window->set_border_width(10) if !$window->{pop_it} && !$::noborderWhenEmbedded; + +    $o->{rwindow} = $o->{window} = $window; +    $o->{real_window} = $window->{real_window}; +    $o->{pop_it} = $window->{pop_it}; + +    $o; +} + +sub main { +    my ($o, $o_completed, $o_canceled) = @_; + +    $o->show; +    mygtk3::main($o->{rwindow}, +		 sub { $o->{retval} ? !$o_completed || $o_completed->() : !$o_canceled || $o_canceled->() }); +    $o->{retval}; +} +sub show($) { +    my ($o) = @_; +    $o->{rwindow}->show; +} +sub destroy($) { +    my ($o) = @_; +    $o->{rwindow}->destroy; +    flush(); +} +sub DESTROY { goto &destroy } +sub sync { +    my ($o) = @_; +    show($o); +    flush(); +} +sub flush() { gtkflush() } +sub shrink_topwindow { +    my ($o) = @_; +    $o->{real_window}->resize(1, 1); +} +sub exit { +    flush(); +    if ($::isStandalone) { +        require standalone; +        standalone::__exit($_[1]); #- workaround +    } else { +        c::_exit($_[1]); #- workaround +    } +} + +#- in case "exit" above was not called by the program +END { &exit() } + +=back + +=head1 Ask functions + +Full UI managed functions that will return to you the value that the +user chose. + +=over + +=cut + +sub ask_warn       { my $w = ugtk3->new(shift @_, grab => 1); $w->_ask_warn(@_); main($w) } +sub ask_yesorno    { my $w = ugtk3->new(shift @_, grab => 1); $w->_ask_okcancel(@_, N("Yes"), N("No")); main($w) } +sub ask_okcancel   { my $w = ugtk3->new(shift @_, grab => 1); $w->_ask_okcancel(@_, N("Is this correct?"), N("Ok"), N("Cancel")); main($w) } +sub ask_from_entry { my $w = ugtk3->new(shift @_, grab => 1); $w->_ask_from_entry(@_); main($w) } +sub ask_dir        { my $w = ugtk3->new(shift @_, grab => 1); $w->_ask_dir(@_); main($w) } + +sub _ask_from_entry($$@) { +    my ($o, @msgs) = @_; +    my $entry = gtknew('Entry'); +    my $f = sub { $o->{retval} = $entry->get_text; Gtk3->main_quit }; +    $o->{ok_clicked} = $f; +    $o->{cancel_clicked} = sub { undef $o->{retval}; Gtk3->main_quit }; + +    gtkadd($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), +		  my $w = gtknew('Button', text => N("Ok"), clicked => sub { Gtk3->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 create_file_selector { +    my (%opts) = @_; +    my $w = ugtk3->new(delete $opts{title}, modal => 1); +    my ($message, $save, $want_a_dir) = (delete $opts{message}, delete $opts{save}, delete $opts{want_a_dir}); +    my $action = $want_a_dir ? ($save ? 'create_folder' : 'select_folder') : ($save ? 'save' : 'open'); +    add2hash(\%opts, { width => 480, height => 250 }); +    gtkadd($w->{window}, +	   gtkpack_(create_box_with_title($w, $message), +		    1, $w->{chooser} = gtknew('FileChooser', action => $action, %opts), +		    0, create_okcancel($w), +		 )); +    $w->{chooser}->signal_connect(file_activated => sub { $w->{ok}->clicked }); +    $w; +} + +sub file_selected_check { +    my ($save, $want_a_dir, $file) = @_; + +    if (!$file) { +	N("No file chosen"); +    } elsif (-f $file && $want_a_dir) { +	N("You have chosen a file, not a directory"); +    } elsif (-d $file && !$want_a_dir) { +	N("You have chosen a directory, not a file"); +    } elsif (!-e $file && !$save) { +	$want_a_dir ? N("No such directory") : N("No such file"); +    } else { +	''; +    } +} + +sub _ask_file { +    my ($o, $title, $path) = @_; + +    my $w = create_file_selector(title => $title, want_a_dir => 0, directory => $path); +    put_in_hash($o, $w); + +    $w->{ok}->signal_connect(clicked => sub { $o->{retval} = $w->{chooser}->get_filename }); +} +sub _ask_dir { +    my ($o, $title, $path) = @_; + +    my $w = create_file_selector(title => $title, want_a_dir => 1, directory => $path); +    put_in_hash($o, $w); + +    $w->{ok}->signal_connect(clicked => sub { $o->{retval} = $w->{chooser}->get_filename }); +} + +sub ask_browse_tree_info { +    my ($common) = @_; + +    my $w = ugtk3->new($common->{title}); + +    my $tree_model = Gtk3::TreeStore->new("Glib::String", "Gtk3::Gdk::Pixbuf", "Glib::String"); +    my $tree = Gtk3::TreeView->new_with_model($tree_model); +    $tree->get_selection->set_mode('browse'); +    $tree->append_column(my $textcolumn = Gtk3::TreeViewColumn->new_with_attributes("", Gtk3::CellRendererText->new, 'text' => 0)); +    $tree->append_column(my $pixcolumn  = Gtk3::TreeViewColumn->new_with_attributes("", Gtk3::CellRendererPixbuf->new, 'pixbuf' => 1)); +    $tree->append_column(Gtk3::TreeViewColumn->new_with_attributes("", Gtk3::CellRendererText->new, 'text' => 2)); +    $tree->set_headers_visible(0); +    $tree->set_rules_hint(1); +    $textcolumn->set_min_width(200); +    $textcolumn->set_max_width(200); + +    gtkadd($w->{window},  +	   gtknew('VBox', spacing => 5, children => [ +		    0, gtknew('Title2', label => $common->{message}, +                              # workaround infamous 6 years old gnome bug #101968: +                              width => mygtk3::get_label_width()), +		    1, gtknew('VBox', children => [ +			       1, gtknew('ScrolledWindow', child => $tree), +			       0, gtknew('Frame', text => N("Info"), child => +				      gtknew('ScrolledWindow', child => my $info = gtknew('TextView', editable => 0, height => 100)), +				     ) ]), +		    0, Gtk3::HSeparator->new, +		    0, my $status = gtknew('Label'), +		    ($common->{auto_deps} ? +		        (0, gtknew('CheckButton', text => $common->{auto_deps}, active_ref => \$common->{state}{auto_deps})) : () +		    ), +		    0, Gtk3::HSeparator->new, +		    0, my $box2 = gtknew('HBox', spacing => 10), +		   ])); + +    gtkpack__($box2, gtknew(($::isInstall ? 'Install_Button' : 'Button'), text => N("Help"), +                            clicked => $common->{interactive_help})) if $common->{interactive_help}; + +    #gtkpack__($box2, my $toolbar = Gtk3::Toolbar->new('horizontal', 'icons')); +    gtkpack__($box2, my $toolbar = Gtk3::Toolbar->new); + +    my @l = ([ $common->{ok}, 1 ], if_($common->{cancel}, [ $common->{cancel}, 0 ])); +    @l = reverse @l if !$::isInstall; +    my @buttons = map { +	my ($t, $val) = @$_; +	$box2->pack_end(my $w = gtknew('Button', text => $t, clicked => sub { +					   $w->{retval} = $val; +					   Gtk3->main_quit; +				       }), 0, 1, 20); +	$w->show; +	$w; +    } @l; +    @buttons = reverse @buttons if !$::isInstall;     + +    $status->show; + +    $w->{window}->set_size_request(map { $_ - 2 * $border - 4 } $w->{windowwidth}, $w->{windowheight}) if !$::isInstall; +    $buttons[0]->grab_focus; +    $w->{rwindow}->show; + +    foreach my $ic (@{$common->{icons} || []}) { +	my $t = gtknew('ToolButton', tooltip => $ic->{help}, file => "$ic->{icon}.png", clicked => sub { +					     if ($ic->{code}) { +						 my $_w = $ic->{wait_message} && $common->{wait_message}->('', $ic->{wait_message}); +						 $ic->{code}(); +						 $common->{rebuild_tree}->(); +					     } +					 }); +	$toolbar->insert($t, -1); +    } + +    $box2->show_all; +    $pixcolumn->{is_pix} = 1; +    $common->{widgets} = { w => $w, tree => $tree, tree_model => $tree_model, +                           info => $info, status => $status }; +    ask_browse_tree_info_given_widgets($common); +} + +sub ask_browse_tree_info_given_widgets { +    my ($common) = @_; +    my $w = $common->{widgets}; + +    my ($curr, $prev_label, $idle, $mouse_toggle_pending); +    my (%wtree, %ptree, %pix, %node_state, %state_stats); +    my $update_size = sub { +	if ($w->{status}) { +	    my $new_label = $common->{get_status}(); +	    $prev_label ne $new_label and $w->{status}->set($prev_label = $new_label); +	} +    }; +     +    my $set_node_state_flat = sub { +	my ($iter, $state) = @_; +	$state eq 'XXX' and return; +        $pix{$state} ||= gtkcreate_pixbuf($state); +        $w->{tree_model}->set($iter, 1 => $pix{$state}); +    }; +    my $set_node_state_tree; $set_node_state_tree = sub { +	my ($iter, $state) = @_; +	my $iter_str = $w->{tree_model}->get_path_str($iter); +	$state eq 'XXX' and return; +        $pix{$state} ||= gtkcreate_pixbuf($state); +	if ($node_state{$iter_str} ne $state) { +	    my $parent; +	    if (!$w->{tree_model}->iter_has_child($iter) && ($parent = $w->{tree_model}->iter_parent($iter))) { +		my $parent_str = $w->{tree_model}->get_path_str($parent); +		my $stats = $state_stats{$parent_str} ||= {}; $stats->{$node_state{$iter_str}}--; $stats->{$state}++; +		my @list = grep { $stats->{$_} > 0 } keys %$stats; +		my $new_state = @list == 1 ? $list[0] : 'semiselected'; +		$node_state{$parent_str} ne $new_state and $set_node_state_tree->($parent, $new_state); +	    } +            $w->{tree_model}->set($iter, 1 => $pix{$state}); +	    $node_state{$iter_str} = $state;  #- cache for efficiency +	} +    }; +    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 $iter = $w->{tree_model}->append_set($s ? $add_parent->($s, $state) : undef, [ 0 => $_ ]); +		$iter; +	    }; +	    $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, $options) = @_; +	my $state = $common->{node_state}($leaf) or return; +	if ($leaf) { +	    my $iter = $w->{tree_model}->append_set($add_parent->($root, $state), [ 0 => $leaf ]); +	    $set_node_state->($iter, $state); +	    push @{$ptree{$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, [ 0 => '' ]); +	} +    }; +    my $clear_all_caches = sub { +	foreach (values %ptree) { +	    foreach my $n (@$_) { +		delete $node_state{$w->{tree_model}->get_path_str($n)}; +	    } +	} +	foreach (values %wtree) { +	    my $iter_str = $w->{tree_model}->get_path_str($_); +	    delete $node_state{$iter_str}; +	    delete $state_stats{$iter_str}; +	} +	%ptree = %wtree = (); +    }; +    $common->{delete_all} = sub { +	$clear_all_caches->(); +	$w->{tree_model}->clear; +    }; +    $common->{rebuild_tree} = sub { +	$common->{delete_all}->(); +	$set_node_state = $common->{state}{flat} ? $set_node_state_flat : $set_node_state_tree; +	$common->{build_tree}($add_node, $common->{state}{flat}, $common->{tree_mode}); +	&$update_size; +    }; +    $common->{delete_category} = sub { +	my ($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, 0); +		    $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]}; +			delete $node_state{$w->{tree_model}->get_path_str($_->[0])}; +			delete $state_stats{$w->{tree_model}->get_path_str($_->[0])}; +		    } +		} +	    } +	    foreach (@to_remove) { +		delete $node_state{$w->{tree_model}->get_path_str($_)}; +	    } +	    @{$ptree{$_}} = difference2($ptree{$_}, \@to_remove); +	} +	if (exists $wtree{$cat}) { +	    my $iter_str = $w->{tree_model}->get_path_str($wtree{$cat}); +	    delete $node_state{$iter_str}; +	    delete $state_stats{$iter_str}; +	    $w->{tree_model}->remove($wtree{$cat}); +	    delete $wtree{$cat}; +	} +	&$update_size; +    }; +    $common->{add_nodes} = sub { +	my (@nodes) = @_; +	$add_node->($_->[0], $_->[1], $_->[2]) foreach @nodes; +	&$update_size; +    }; +     +    $common->{display_info} = sub { gtktext_insert($w->{info}, $common->{get_info}($curr)); 0 }; +    my $children = sub { map { $w->{tree_model}->get($_, 0) } gtktreeview_children($w->{tree_model}, $_[0]) }; +    my $toggle = sub { +	if (ref($curr) && !$_[0]) { +	    $w->{tree}->toggle_expansion($w->{tree_model}->get_path($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 ? +		  #- 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; +		$common->{toggle_nodes}($set_leaf_state, @p); +		&$update_size; +	    } 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 $c = chr($_[1]->keyval & 0xff); +	if ($_[1]->keyval >= 0x100 ? $c eq "\r" || $c eq "\x8d" : $c eq ' ') { +	    $toggle->(0); +	} +	0; +    }); + +    $w->{tree}->get_selection->signal_connect(changed => sub { +	my ($model, $iter) = $_[0]->get_selected; +	$model && $iter or return; +	if ($idle) { +	    Glib::Source->remove($idle); +	    undef $idle; +	} +	if (!$model->iter_has_child($iter)) { +	    $curr = $model->get($iter, 0); +	    $idle = Glib::Timeout->add(100, $common->{display_info}); +	} else { +	    $curr = $iter; +	} +	#- the following test for equality is because we can have a button_press_event first, then +	#- two changed events, the first being on a different row :/ (is it a bug in gtk3?) - that +	#- happens in rpmdrake when doing a "search" and directly trying to select a found package +	if ($mouse_toggle_pending eq $model->get($iter, 0)) { +	    $toggle->(1); +            $mouse_toggle_pending = 0; +	} +	0; +    }); +    $w->{tree}->signal_connect(button_press_event => sub {  #- not too good, but CellRendererPixbuf does not have the needed signals :( +	my (undef, $event) = @_; +	return if $event =~ /Gtk3::Gdk::Event=/; +	my ($path, $column) = $w->{tree}->get_path_at_pos($event->x, $event->y); +	if ($path && $column) { +	    $column->{is_pix} and $mouse_toggle_pending = $w->{tree_model}->get($w->{tree_model}->get_iter($path), 0); +	} +        0; +    }); +    $common->{rebuild_tree}->(); +    &$update_size; +    $common->{initial_selection} and $common->{toggle_nodes}($set_leaf_state, @{$common->{initial_selection}}); +    my $_b = before_leaving { $clear_all_caches->() }; +    $common->{init_callback}->() if $common->{init_callback}; +    $w->{w}->main; +} + +sub gtk_set_treelist { +    my ($treelist, $l) = @_; + +    my $list = $treelist->get_model; +    $list->clear; +    $list->append_set([ 0 => $_ ]) foreach @$l; +} + + +sub gtk_TextView_get_log { +    my ($log_w, $command, $filter_output, $when_command_is_over) = @_; + +    my $pid = open(my $F, "$command |") or return; +    common::nonblock($F); + +    my $gtk_buffer = $log_w->get_buffer; +    $log_w->signal_connect(destroy => sub {  +	kill 9, $pid if $pid; #- we do not continue in background +	$pid = $gtk_buffer = ''; #- ensure $gtk_buffer is valid when its value is non-null +    }); + +    Glib::Timeout->add(100, sub { +        if ($gtk_buffer) { +	    my $end = $gtk_buffer->get_end_iter; +	    while (defined (my $s = <$F>)) { +		$gtk_buffer->insert($end, $filter_output->($s)); +	    } +	    $log_w->{to_bottom}->(); +	} +	if (waitpid($pid, c::WNOHANG()) > 0) { +	    #- we do not call $when_command_is_over if $gtk_buffer does not exist anymore +	    #- since it is not a normal case +	    $when_command_is_over->($gtk_buffer) if $when_command_is_over && $gtk_buffer; +	    $pid = ''; +	    0; +	} else { +	    to_bool($gtk_buffer); +	} +    }); +    $pid; #- $pid becomes invalid after $when_command_is_over is called +} + +sub gtk_new_TextView_get_log { +    my ($command, $filter_output, $when_command_is_over) = @_; + +    my $log_w = gtknew('TextView', editable => 0); +    my $log_scroll = gtknew('ScrolledWindow', child => $log_w, to_bottom => 1); +    my $pid = gtk_TextView_get_log($log_w, $command, $filter_output, $when_command_is_over) or return; +    $log_scroll, $pid; +} + +=back + +=head1 Misc helpers & widgets + +=over + +=cut + +package Gtk3::TreeStore; +sub append_set { +    my ($model, $parent, @values) = @_; +    # compatibility: +    @values = @{$values[0]} if @values == 1 && ref($values[0]) eq 'ARRAY'; +    my $iter = $model->append($parent); +    $model->set($iter, @values); +    return $iter; +} + + +package Gtk3::ListStore; + +=item Gtk3::ListStore::append_set($model, @values) + +Append a new row, set the values, return the TreeIter + +=cut + +sub append_set { +    my ($model, @values) = @_; +    # compatibility: +    @values = @{$values[0]} if @values == 1 && ref($values[0]) eq 'ARRAY'; +    my $iter = $model->append; +    $model->set($iter, @values); +    return $iter; +} + + +package Gtk3::TreeModel; + +=item Gtk3::TreeModel::get_path_str($self, $iter) + +gets the string representation of a TreeIter + +=cut + +sub get_path_str { +    my ($self, $iter) = @_; +    my $path = $self->get_path($iter); +    $path or return; +    $path->to_string; +} + +sub iter_each_children { +    my ($model, $iter, $f) = @_; +    my $child = $model->iter_children($iter); +    while ($child = $model->iter_next($child)) { +	$f->($child); +    } +} + +package Gtk3::TreeView; + +=item Gtk3::TreeView;::toggle_expansion($self, $path, $b_open_all) + +gtk-1.2 compatibility function + +=cut + +sub toggle_expansion { +    my ($self, $path, $b_open_all) = @_; +    if ($self->row_expanded($path)) { +	$self->collapse_row($path); +    } else { +	$self->expand_row($path, $b_open_all || 0); +    } +} + +package Gtk3::ComboBox; +use MDK::Common; + +=item Gtk3::ComboBox::set_popdown_strings($w, @strs) + +try to get combox <==> option menu mapping + +=cut + +sub set_popdown_strings { +    my ($w, @strs) = @_; +    my $model = $w->get_model; +    return if !$model; +    $w->get_model->clear; +    # keep string list around for ->set_text compatibilty helper +    $w->{strings} = \@strs; +    $w->append_text($_) foreach @strs; +    $w; +} + +sub new_with_strings { +    my ($class, $strs, $o_val) = @_; +    my $w = $class->new; +    $w->set_popdown_strings(@$strs); +    $w->set_text($o_val) if $o_val; +    $w; +} + +sub entry { +    my ($w) = @_; +    return $w; +} + +sub get_text { +    my ($w) = @_; +    $w->get_active == -1 ? '' : $w->{strings}[$w->get_active]; +} + +sub set_text { +    my ($w, $val) = @_; +    eval {  +	my $val_index = find_index { $_ eq $val } @{$w->{strings}}; +	$w->set_active($val_index); +    }; +    # internal_error(qq(impossible to lookup "$val":\n\t) . chomp_($@)) if $@; +} + + +package Gtk3::ComboBoxText; + +# try to get combox <==> option menu mapping +*new_with_strings    = *Gtk3::ComboBox::new_with_strings; +*set_popdown_strings = *Gtk3::ComboBox::set_popdown_strings; +*get_text = *Gtk3::ComboBox::get_text; +*set_text = *Gtk3::ComboBox::set_text; + + +package Gtk3::Label; +sub set { +    my ($label, $text) = @_; +    mygtk3::gtkset($label, text => $text); +} + + +package Gtk3::WrappedLabel; +sub new { +    my ($_type, $o_text, $o_align) = @_; +    mygtk3::gtknew('WrappedLabel', text => $o_text || '', alignment => [ $o_align || 0, 0.5 ]); +} + + +package Gtk3::Entry; +sub new_with_text { +    my ($_class, $o_text) = @_; +    mygtk3::gtknew('Entry', text => $o_text); +} + + +package Gtk3::Banner; + +=item Gtk3::Banner widget + +Used in tools & installer banner bars + +=cut + + +use MDK::Common; +use mygtk3 qw(gtknew); +use ugtk3 qw(:helpers :wrappers); + +sub set_style { +   my ($w) = @_; +   my $pl = Gtk3::CssProvider->new; +   $pl->load_from_data("Layout, GtkLabel { font-size: 15px; background-color: #ffffff }"); +   $w->{label}->get_style_context->add_provider($pl, Gtk3::STYLE_PROVIDER_PRIORITY_APPLICATION); +   my $p = Gtk3::CssProvider->new; +   $w->get_style_context->add_provider($p, Gtk3::STYLE_PROVIDER_PRIORITY_APPLICATION); +} + +# used by install::steps_gtk::installPackages() +sub update_text { +    my ($banner, $new_text) = @_; +    $banner->{label}->set_text($new_text); +    $banner->{label}->queue_draw; +} + +sub new { +    my ($_class, $icon, $text, $o_options) = @_; + +    mygtk3::import_style_ressources(); +    my $icon_w = eval { ugtk3::gtkcreate_pixbuf($icon) }; +    $icon_w ||= ugtk3::gtkcreate_pixbuf(ugtk3::wm_icon()); +    my $is_rtl = mygtk3::text_direction_rtl(); +    my $blue_part = eval { gtknew('Pixbuf', file => 'banner-blue-part', flip => $is_rtl) }; + +    my $d_height = $blue_part->get_height; +     + +    my $img = gtknew('Image', pixbuf => $blue_part, alignment => [ 0, 0 ]); + +    my $label = gtknew('Label', text => $text, padding => [ 100, 0 ], alignment => [ 0, 0.5 ]); # for update_text() +    my $w = gtknew('Overlay', height => $d_height, widget_name => 'Banner', main_child => $label, children => [ +		       gtknew('Overlay', main_child => $img, children => [ +				  my $icon_img = gtknew('Image', pixbuf => $icon_w, alignment => [ 0, 0 ]), +			      ]) +		   ]); + +    # fix Icon position: +    if ($is_rtl) { +	$icon_img->set_margin_right(12); +    } else { +	$icon_img->set_margin_left(12); +    } +    $icon_img->set_margin_top(($blue_part->get_height-$icon_w->get_height)/2); + + +    $w->{label} = $label; +    $w->set_size_request(-1, $d_height); + +    $w->signal_connect(realize => \&set_style); +    $w->signal_connect("style-updated" => \&set_style); +    $w->show_all; +    return $w; +} + + +package Gtk3::Notify::Queue; + +sub new { +    my ($class, $statusicon) = @_; + +    require Gtk3::Notify; + +    my $self = bless { +        queue => [], +        statusicon => $statusicon, +        display => 5000, +        delay => 500, +    }, $class; +    $self; +} + +sub process_next { +    my ($self) = @_; +    shift @{$self->{queue}}; +    #- wait for some time so that the new notification is noticeable +    @{$self->{queue}} and Glib::Timeout->add($self->{delay}, sub { $self->show; 0 }); +} + +sub add { +    my ($self, $info) = @_; +    push @{$self->{queue}}, $info; +    # We don't always receive the 'closed' signal (especially when not clicked) +    # and in those case we'll never show the next notifications: +    #@{$self->{queue}} == 1 and +    $self->show; +} + +sub show { +    my ($self) = @_; # perl_checker: $self = Gtk3::Notify::Notification->new +    my $info = $self->{queue}[0]; +    my $notification = Gtk3::Notify::Notification->new($info->{title}, $info->{message}, $self->{statusicon}); +    $notification->set_icon_from_pixbuf($info->{pixbuf}) if $info->{pixbuf}; +    $notification->set_urgency($info->{urgency}) if $info->{urgency}; +    foreach my $a (@{$info->{actions} || []}) { +        $notification->add_action( +            $a->{action}, $a->{label}, +            sub { +                $info->{processed} = 1; +                #- $a->{callback} has to call $selft->process_next when done +                $a->{callback}->(); +            }); +    } +    $notification->signal_connect(closed => sub { +                                        $info->{processed} and return; +                                        $info->{timeout}->() if $info->{timeout}; +                                        $self->process_next; +                                    }); +    eval { $notification->show }; +} + +1; + + +package Gtk3::GUI_Update_Guard; + +use MDK::Common::Func qw(before_leaving); +use ugtk3; + +sub new { +    my ($_class) = @_; # prevent a perl_checker warning in callers +    my $old_signal = $SIG{ALRM}; +    $SIG{ALRM} = sub { +        ugtk3::gtkflush(); +        alarm(1); +    }; +    alarm(1); +    return before_leaving { +        alarm(0); +        $SIG{ALRM} = $old_signal || 'DEFAULT';   # restore default action +    }; +} + +=back + +=cut + +1; | 
