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t7/t7.rb Example File

#****************************************************************
#**
#** Qt tutorial 7
#**
#****************************************************************

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