qtruby/rubylib/tutorial/t7/lcdrange.rb


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#!/usr/bin/ruby -w
require 'Qt'

class LCDRange < Qt::VBox
	signals 'valueChanged(int)'
	slots 'setValue(int)'

	def initialize(grid)
		super
		lcd = Qt::LCDNumber.new(2, self, 'lcd')
	    @slider = Qt::Slider.new(Qt::VBox::Horizontal, self, 'slider')
	    @slider.setRange(0, 99)
	    @slider.setValue(0)
		connect(@slider, SIGNAL('valueChanged(int)'), lcd, SLOT('display(int)'))
		connect(@slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)'))
	end

	def value()
    	@slider.value()
	end

	def setValue( value )
    	@slider.setValue( value )
	end
end