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A QT 'Hello World' application

- 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]
to ruby linux hello world application desktop qt by jrobertson on Mar 19, 2008
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