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#!/usr/bin/perl -w
use strict;
use warnings;
package LCDRange;
use QtCore4;
use QtGui4;
use QtCore4::isa qw(Qt::Widget);
sub NEW {
shift->SUPER::NEW(@_);
my $lcd = Qt::LCDNumber(2);
$lcd->setSegmentStyle(Qt::LCDNumber::Filled());
my $slider = Qt::Slider(Qt::Horizontal());
$slider->setRange(0, 99);
$slider->setValue(0);
this->connect($slider, SIGNAL "valueChanged(int)",
$lcd, SLOT "display(int)");
my $layout = Qt::VBoxLayout;
$layout->addWidget($lcd);
$layout->addWidget($slider);
this->setLayout($layout);
}
package MyWidget;
use QtCore4;
use QtGui4;
use QtCore4::isa qw(Qt::Widget);
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 $grid = Qt::GridLayout();
foreach my $row ( 0..2 ) {
foreach my $column ( 0..2 ) {
my $lcdRange = LCDRange();
$grid->addWidget($lcdRange, $row, $column);
}
}
my $layout = Qt::VBoxLayout;
$layout->addWidget($quit);
$layout->addLayout($grid);
this->setLayout($layout);
}
package main;
use QtCore4;
use QtGui4;
use MyWidget;
sub main {
my $app = Qt::Application( \@ARGV );
my $widget = MyWidget();
$widget->show();
return $app->exec();
}
main();
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