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tdebindings/qtruby/rubylib/tutorial/t7/t7.rb

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675 B

#!/usr/bin/env ruby
$VERBOSE = true; $:.unshift File.dirname($0)
require 'Qt'
require 'lcdrange.rb'
class MyWidget < Qt::VBox
def initialize()
super
quit = Qt::PushButton.new('Quit', self, 'quit')
quit.setFont(Qt::Font.new('Times', 18, Qt::Font::Bold))
connect(quit, SIGNAL('clicked()'), $qApp, SLOT('quit()'))
grid = Qt::Grid.new( 4, self )
previous = nil
for c in 0..3
for r in 0..3
lr = LCDRange.new(grid)
if previous != nil
connect( lr, SIGNAL('valueChanged(int)'),
previous, SLOT('setValue(int)') )
end
previous = lr
end
end
end
end
a = Qt::Application.new(ARGV)
w = MyWidget.new
a.setMainWidget(w)
w.show
a.exec