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37 lines
937 B
37 lines
937 B
15 years ago
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require 'Qt'
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class LCDRange < Qt::VBox
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signals 'valueChanged(int)'
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slots 'setValue(int)', 'setRange(int, int)'
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def initialize(parent, name)
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super
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lcd = Qt::LCDNumber.new(2, self, 'lcd')
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@slider = Qt::Slider.new(Qt::VBox::Horizontal, self, 'slider')
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@slider.setRange(0, 99)
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@slider.setValue(0)
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connect(@slider, SIGNAL('valueChanged(int)'), lcd, SLOT('display(int)'))
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connect(@slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)'))
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setFocusProxy(@slider)
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end
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def value()
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@slider.value()
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end
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def setValue( value )
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@slider.setValue( value )
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end
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def setRange( minVal, maxVal )
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if minVal < 0 || maxVal > 99 || minVal > maxVal
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printf( "LCDRange::setRange(%d,%d)\n" +
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"\tRange must be 0..99\n" +
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"\tand minVal must not be greater than maxVal",
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minVal, maxVal )
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return
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end
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@slider.setRange( minVal, maxVal )
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end
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end
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