A QT 'Hello World' application

jrobertson (James Robertson) — Wed, 19 Mar 2008 09:21:33 GMT

- getting started - (Using Ubuntu Linux 7.10)
1) Installed Qt bindings for Ruby

- Running the application
1) From the command line I typed ruby helloworld_qt.rb



#file: helloworld_qt.rb



require 'Qt'



    a = Qt::Application.new( ARGV )



    hello = Qt::PushButton.new( "Hello world!", nil )

    hello.resize( 100, 30 )

 

    Qt::Object::connect( hello, SIGNAL('clicked()'), a, SLOT('quit()') )

 

    a.setMainWidget( hello )

    hello.show()

 

    a.exec()

Source code copied from KDE Tutorial - p1 [kde.org]

DZone Snippets: qt code

A QT 'Hello World' application