overlay.pl

#!/usr/bin/perl
#
# Overlay
#
# Stack widgets in static positions over a main widget
#
# Perl version by Dave M <dave.nerd@gmail.com>

use strict;
use warnings;

use Gtk3 '-init';
use Glib 'TRUE';

my $window = Gtk3::Window->new('toplevel');
$window->set_title('Overlay');
$window->set_default_size( 450, 450 );
$window->set_border_width(0);
$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 $view = Gtk3::TextView->new();

my $sw = Gtk3::ScrolledWindow->new( undef, undef );
$sw->set_policy( 'automatic', 'automatic' );
$sw->add($view);

my $overlay = Gtk3::Overlay->new();
$overlay->add($sw);
$window->add($overlay);

my $entry = Gtk3::Entry->new();
$overlay->add_overlay($entry);
$entry->set_halign('end');
$entry->set_valign('end');

my $label = Gtk3::Label->new('Hello World!');
$label->set_halign('end');
$label->set_valign('end');
$overlay->add_overlay($label);
$label->set_margin_left(20);
$label->set_margin_right(20);
$label->set_margin_top(5);
$label->set_margin_bottom(5);

my $entry2 = Gtk3::Entry->new();
$overlay->add_overlay($entry2);
$entry2->set_halign('start');
$entry2->set_valign('end');

my $label2 = Gtk3::Label->new('Hello World!');
$label2->set_halign('start');
$label2->set_valign('end');
$overlay->add_overlay($label2);
$label2->set_margin_left(20);
$label2->set_margin_right(20);
$label2->set_margin_top(5);
$label2->set_margin_bottom(5);

my $entry3 = Gtk3::Entry->new();
$overlay->add_overlay($entry3);
$entry3->set_halign('end');
$entry3->set_valign('start');

my $label3 = Gtk3::Label->new('Hello World!');
$label3->set_halign('end');
$label3->set_valign('start');
$overlay->add_overlay($label3);
$label3->set_margin_left(20);
$label3->set_margin_right(20);
$label3->set_margin_top(5);
$label3->set_margin_bottom(5);

my $entry4 = Gtk3::Entry->new();
$overlay->add_overlay($entry4);
$entry4->set_halign('start');
$entry4->set_valign('start');

my $label4 = Gtk3::Label->new('Hello World!');
$label4->set_halign('start');
$label4->set_valign('start');
$overlay->add_overlay($label4);
$label4->set_margin_left(20);
$label4->set_margin_right(20);
$label4->set_margin_top(5);
$label4->set_margin_bottom(5);

my $entry5 = Gtk3::Entry->new();
$overlay->add_overlay($entry5);
$entry5->set_halign('end');
$entry5->set_valign('center');

my $label5 = Gtk3::Label->new('Hello World!');
$label5->set_halign('end');
$label5->set_valign('center');
$overlay->add_overlay($label5);
$label5->set_margin_left(20);
$label5->set_margin_right(20);
$label5->set_margin_top(5);
$label5->set_margin_bottom(5);

my $entry6 = Gtk3::Entry->new();
$overlay->add_overlay($entry6);
$entry6->set_halign('start');
$entry6->set_valign('center');

my $label6 = Gtk3::Label->new('Hello World!');
$label6->set_halign('start');
$label6->set_valign('center');
$overlay->add_overlay($label6);
$label6->set_margin_left(20);
$label6->set_margin_right(20);
$label6->set_margin_top(5);
$label6->set_margin_bottom(5);

my $entry7 = Gtk3::Entry->new();
$overlay->add_overlay($entry7);
$entry7->set_halign('center');
$entry7->set_valign('start');

my $label7 = Gtk3::Label->new('Hello World!');
$label7->set_halign('center');
$label7->set_valign('start');
$overlay->add_overlay($label7);
$label7->set_margin_left(20);
$label7->set_margin_right(20);
$label7->set_margin_top(5);
$label7->set_margin_bottom(5);

my $entry8 = Gtk3::Entry->new();
$overlay->add_overlay($entry8);
$entry8->set_halign('center');
$entry8->set_valign('end');

my $label8 = Gtk3::Label->new('Hello World!');
$label8->set_halign('center');
$label8->set_valign('end');
$overlay->add_overlay($label8);
$label8->set_margin_left(20);
$label8->set_margin_right(20);
$label8->set_margin_top(5);
$label8->set_margin_bottom(5);

my $entry9 = Gtk3::Entry->new();
$overlay->add_overlay($entry9);
$entry9->set_halign('center');
$entry9->set_valign('center');

my $label9 = Gtk3::Label->new('Hello World!');
$label9->set_halign('center');
$label9->set_valign('center');
$overlay->add_overlay($label9);
$label9->set_margin_left(20);
$label9->set_margin_right(20);
$label9->set_margin_top(5);
$label9->set_margin_bottom(5);

$overlay->show_all();

$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.