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#!/usr/bin/perl -w
use strict;
use blib;
package MyWidget;
use Qt;
use Qt::isa qw(Qt::VBox);
use LCDRange;
sub NEW {
shift->SUPER::NEW(@_);
my $quit = Qt::PushButton("Quit", this, "quit");
$quit->setFont(Qt::Font("Times", 18, &Qt::Font::Bold));
Qt::app->connect($quit, SIGNAL('clicked()'), SLOT('quit()'));
my $grid = Qt::Grid(4, this);
my $previous;
for my $r (0..3) {
for my $c (0..3) {
my $lr = LCDRange($grid);
$previous->connect(
$lr, SIGNAL('valueChanged(int)'),
SLOT('setValue(int)')) if $previous;
$previous = $lr;
}
}
}
package main;
use MyWidget;
my $a = Qt::Application(\@ARGV);
my $w = MyWidget;
$a->setMainWidget($w);
$w->show;
exit $a->exec;
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