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#!/usr/bin/perl -w
use strict;
use blib;
package MyWidget;
use strict;
use Qt;
use Qt::isa qw(Qt::Widget);
use LCDRange;
use CannonField;
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 $angle = LCDRange(this, "angle");
$angle->setRange(5, 70);
my $cannonField = CannonField(this, "cannonField");
$cannonField->connect($angle, SIGNAL('valueChanged(int)'), SLOT('setAngle(int)'));
$angle->connect($cannonField, SIGNAL('angleChanged(int)'), SLOT('setValue(int)'));
my $grid = Qt::GridLayout(this, 2, 2, 10);
$grid->addWidget($quit, 0, 0);
$grid->addWidget($angle, 1, 0, &AlignTop);
$grid->addWidget($cannonField, 1, 1);
$grid->setColStretch(1, 10);
$angle->setValue(60);
$angle->setFocus();
}
package main;
use Qt;
use MyWidget;
my $a = Qt::Application(\@ARGV);
my $w = MyWidget;
$w->setGeometry(100, 100, 500, 355);
$a->setMainWidget($w);
$w->show;
exit $a->exec;
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