#!/usr/bin/perl -w
package MyWidget;

use Qt 2.0;
import Qt::app;

use LCDRange;

@ISA = qw(Qt::Widget);

sub new {
    my $self = shift->SUPER::new(@_);
    my $value;

    $self->setMinimumSize(200, 300);

    my $quit = Qt::PushButton->new('Quit', $self, 'quit');
    $quit->setGeometry(10, 10, 75, 30);
    $quit->setFont(Qt::Font->new('Times', 18, Qt::Font::Bold));
    $app->connect($quit, 'clicked()', 'quit()');

    for my $x (0..15) {
        $value->[$x] = LCDRange->new($self);
        $value->[$x-1]->connect($value->[$x], 'valueChanged(int)',
                                'setValue(int)') if $x;
    }

    @$self{'quit', 'value'} = ($quit, $value);
    return $self;
}

sub resizeEvent {
    my $self = shift;
    my($quit, $value) = @$self{'quit', 'value'};
    my $startx      = 10;
    my $starty      = $quit->y() + $quit->height() + 10;
    my $valueWidth  = ($self->width()  - $startx - 10 - 3*5)/4;
    my $valueHeight = ($self->height() - $starty - 10 - 3*5)/4;
    for(0..15) {
        $$value[$_]->setGeometry($startx + ($_%4)*(5+$valueWidth),
                                 $starty + int($_/4)*(5+$valueHeight),
                                 $valueWidth, $valueHeight);
    }
}

package main;

use Qt 2.0;
import Qt::app;

$w = MyWidget->new;
$w->setGeometry(100, 100, 400, 400);
$app->setMainWidget($w);
$w->show();
exit $app->exec();