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#!/usr/bin/perl -w
use strict;
use warnings;
package MyWidget;
use QtCore4;
use QtGui4;
use QtCore4::isa qw(Qt::Widget);
use CannonField;
use LCDRange;
sub NEW {
shift->SUPER::NEW(@_);
my $quit = Qt::PushButton("Quit");
$quit->setFont(Qt::Font("Times", 18, Qt::Font::Bold()));
this->connect($quit, SIGNAL "clicked()", qApp, SLOT "quit()");
my $angle = LCDRange();
$angle->setRange(5, 70);
my $cannonField = CannonField();
this->connect($angle, SIGNAL 'valueChanged(int)',
$cannonField, SLOT 'setAngle(int)');
this->connect($cannonField, SIGNAL 'angleChanged(int)',
$angle, SLOT 'setValue(int)');
my $gridLayout = Qt::GridLayout();
$gridLayout->addWidget($quit, 0, 0);
$gridLayout->addWidget($angle, 1, 0);
$gridLayout->addWidget($cannonField, 1, 1, 2, 1);
$gridLayout->setColumnStretch(1, 10);
this->setLayout($gridLayout);
$angle->setValue(60);
$angle->setFocus();
}
1;
package main;
use QtCore4;
use QtGui4;
use MyWidget;
sub main {
my $app = Qt::Application( \@ARGV );
my $widget = MyWidget();
$widget->setGeometry(100, 100, 500, 355);
$widget->show();
return $app->exec();
}
main();
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