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48 lines
1.2 KiB
48 lines
1.2 KiB
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)', 'setText(const char *)'
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def initialize(s, parent, name)
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super(parent, name)
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init()
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setText(s)
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end
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def init()
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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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@label = Qt::Label.new( ' ', self, 'label' )
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@label.setAlignment( Qt::AlignCenter )
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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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qWarning( "LCDRange::setRange(#{minVal},#{maxVal})\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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return
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end
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@slider.setRange( minVal, maxVal )
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end
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def setText( s )
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@label.setText( s )
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end
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end
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