require 'gtk'

window = Gtk::Window.new(Gtk::WINDOW_TOPLEVEL)

label = Gtk::Label.new('Name:')
entry = Gtk::Entry.new
entry.set_text('John')
box = Gtk::HBox.new(false, 0)
box.pack_start label, true, true, 5
box.pack_start entry, true, true, 5
label.show
entry.show

entry.signal_connect('activate') {|widget|
  print "Your name is #{entry.get_text}\n"
}

window.add(box)
box.show
window.show
Gtk.main