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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 $force = LCDRange(this, "force");
$force->setRange(10, 50);
my $cannonField = CannonField(this, "cannonField");
$cannonField->connect($angle, SIGNAL('valueChanged(int)'), SLOT('setAngle(int)'));
$angle->connect($cannonField, SIGNAL('angleChanged(int)'), SLOT('setValue(int)'));
$cannonField->connect($force, SIGNAL('valueChanged(int)'), SLOT('setForce(int)'));
$force->connect($cannonField, SIGNAL('forceChanged(int)'), SLOT('setValue(int)'));
my $shoot = Qt::PushButton('&Shoot', this, "shoot");
$shoot->setFont(Qt::Font("Times", 18, &Qt::Font::Bold));
$cannonField->connect($shoot, SIGNAL('clicked()'), SLOT('shoot()'));
my $grid = Qt::GridLayout(this, 2, 2, 10);
$grid->addWidget($quit, 0, 0);
$grid->addWidget($cannonField, 1, 1);
$grid->setColStretch(1, 10);
my $leftBox = Qt::VBoxLayout;
$grid->addLayout($leftBox, 1, 0);
$leftBox->addWidget($angle);
$leftBox->addWidget($force);
my $topBox = Qt::HBoxLayout;
$grid->addLayout($topBox, 0, 1);
$topBox->addWidget($shoot);
$topBox->addStretch(1);
$angle->setValue(60);
$force->setValue(25);
$angle->setFocus();
}
package main;
use Qt;
use MyWidget;
Qt::Application::setColorSpec(&Qt::Application::CustomColor);
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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