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expander.pl
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expander.pl
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#!/usr/bin/perl
#
# Expander
#
# GtkExpander allows to provide additional content that is initially hidden. This is also known as "disclosure triangle".
#
# Perl version by Dave M <dave.nerd@gmail.com>
use strict;
use warnings;
use Gtk3 '-init';
use Glib 'TRUE', 'FALSE';
my $window = Gtk3::Dialog->new();
$window->add_button( 'gtk-close', 1 );
$window->set_title('GtkExpander');
$window->set_resizable(FALSE);
$window->signal_connect( response => sub { Gtk3->main_quit } );
$window->signal_connect( destroy => sub { Gtk3->main_quit } );
my $icon = 'gtk-logo-rgb.gif';
if ( -e $icon ) {
my $pixbuf = Gtk3::Gdk::Pixbuf->new_from_file($icon);
my $transparent = $pixbuf->add_alpha( TRUE, 0xff, 0xff, 0xff );
$window->set_icon($transparent);
}
my $box = Gtk3::Box->new( 'vertical', 5 );
$box->set_border_width(5);
$box->set_homogeneous(FALSE);
$window->get_content_area()->add($box);
my $label = Gtk3::Label->new('');
$label->set_markup(
'Expander demo.' . ' Click on the triangle for details.' );
$box->pack_start( $label, FALSE, FALSE, 0 );
# Create our expander
my $expander = Gtk3::Expander->new('Details');
$box->pack_start( $expander, FALSE, FALSE, 0 );
$expander->signal_connect(
activate => sub {
print "Expander has been activated!\n";
} );
# This label will show up once expanded
my $label2 = Gtk3::Label->new('');
$label2->set_text('Details can be shown or hidden.');
$expander->add($label2);
$window->show_all();
Gtk3->main();
# This library is free software; you can redistribute it and/or
# # modify it under the terms of the GNU Library General Public License
# # as published by the Free Software Foundation; either version 2.1 of
# # the License, or (at your option) any later version.