#!/usr/bin/perl -w use strict; use warnings; use QtCore4; use QtGui4; sub main { my $app = Qt::Application( \@ARGV ); my $window = Qt::Widget(); $window->resize(200, 120); my $quit = Qt::PushButton("Quit", $window); $quit->setFont(Qt::Font("Times", 18, Qt::Font::Bold())); $quit->setGeometry(10, 40, 180, 40); Qt::Object::connect($quit, SIGNAL "clicked()", $app, SLOT "quit()"); $window->show(); return $app->exec(); } main();