perl-install/interactive/gtk.pm


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package interactive::gtk; # $Id: gtk.pm 261628 2009-10-09 16:25:51Z tv $

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

@ISA = qw(interactive);

use interactive;
use common;
use mygtk3;
use ugtk3 qw(:helpers :wrappers :create);

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

sub new {
    my $w = &interactive::new;
    ($w->{windowwidth}, $w->{windowheight}) = mygtk3::root_window_size() if !$::isInstall;
    $w;
}
sub enter_console { my ($o) = @_; $o->{suspended} = common::setVirtual(1) }
sub leave_console { my ($o) = @_; common::setVirtual(delete $o->{suspended}) }
sub adapt_markup { 
    #- nothing needed, the default markup is gtk3's
    my ($_o, $s) = @_; return $s;
}

sub exit { ugtk3::exit(@_) }

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

    my $w = ugtk3::create_file_selector(%$common);

    my $file;
    $w->main(sub { 
	$file = $w->{chooser}->get_filename;
	my $err = ugtk3::file_selected_check($common->{save}, $common->{want_a_dir}, $file);
	$err and $in->ask_warn('', $err);
	!$err;
    }) && $file;
}

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

    my $boxradio = gtkpack2__(Gtk3::VBox->new,
			      my @radios = gtkradio('', @{$e->{formatted_list}}));
    mapn {
	my ($txt, $w) = @_;
	# workaround infamous 6 years old gnome bug #101968:
	$w->get_child->set_size_request(mygtk3::get_label_width(), -1) if $e->{alignment} ne 'right' && !$e->{label};
	$w->signal_connect(button_press_event => $double_click) if $double_click;

	$w->signal_connect(key_press_event => $e->{may_go_to_next});
	$w->signal_connect(clicked => sub { 
	    ${$e->{val}} ne $txt or return;
	    $onchange_f->(sub { $txt });
	});
	if ($e->{help}) {
	    $w->set_tooltip_text(
		       ref($e->{help}) eq 'HASH' ? $e->{help}{$txt} :
		       ref($e->{help}) eq 'CODE' ? $e->{help}($txt) : $e->{help});
	}
    } $e->{list}, \@radios;

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

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

    my $list = Gtk3::ListStore->new("Glib::String");
    my $list_tv = Gtk3::TreeView->new_with_model($list);
    $list_tv->set_headers_visible(0);
    $list_tv->get_selection->set_mode('browse');
    my $textcolumn = Gtk3::TreeViewColumn->new_with_attributes("", my $renderer = Gtk3::CellRendererText->new, 'text' => 0);
    $list_tv->append_column($textcolumn);
    $renderer->set_property('ellipsize', 'end');
    
    my $select = sub {
	my ($path) = @_;
	return if !$list_tv->get_model;
	$list_tv->set_cursor($path, undef, 0);
	Glib::Timeout->add(100, sub { $list_tv->scroll_to_cell($path, undef, 1, 0.5, 0); 0 });
    };

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

	Glib::Source->remove($timeout) if $timeout; $timeout = '';
	
	if ($event->keyval >= 0x100) {
	    $e->{may_go_to_next}(), return 1 if member($event->keyval, (Gtk3::Gdk::KEY_Return, Gtk3::Gdk::KEY_KP_Enter));
	    $starting_word = '' if !member($event->keyval, (Gtk3::Gdk::KEY_Control_L, Gtk3::Gdk::KEY_Control_R));
	} else {
	    if (member('control-mask', @{$event->state})) {
		$c eq 's' or return 1;
		$start_reg and $start_reg = '', return 1;
		$curr++;
	    } else {
		$e->{may_go_to_next}(), return 1 if $c eq ' ';

		$curr++ if $starting_word eq '' || $starting_word eq $c;
		$starting_word .= $c unless $starting_word eq $c;
	    }
	    my @l = @{$e->{formatted_list}};
	    my $word = quotemeta $starting_word;
	    my $j; for ($j = 0; $j < @l; $j++) {
		 $l[($j + $curr) % @l] =~ /$start_reg$word/i and last;
	    }
	    if ($j == @l) {
		$starting_word = '';
	    } else {
		$select->(Gtk3::TreePath->new_from_string(($j + $curr) % @l));
	    }

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

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

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