Contents

class LCDRange < Qt::Widget
  signals 'valueChanged(int)'

  slots 'value=(int)', 'setRange(int, int)', 'text=(const char*)'

  def initialize(s, parent = nil)
    super(parent)
    init()
    self.text = s
  end

  def init
    lcd = Qt::LCDNumber.new(2)
    @slider = Qt::Slider.new(Qt::Horizontal) do |s|
      s.range = 0..99
      s.value = 0
    end

    @label = Qt::Label.new do |l|
      l.alignment = Qt::AlignHCenter.to_i | Qt::AlignTop.to_i
      l.setSizePolicy(Qt::SizePolicy::Preferred, Qt::SizePolicy::Fixed)
    end

    connect(@slider, SIGNAL('valueChanged(int)'), lcd, SLOT('display(int)'))
    connect(@slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)'))

    self.layout = Qt::VBoxLayout.new do |l|
      l.addWidget(lcd)
      l.addWidget(@slider)
      l.addWidget(@label)
    end

    setFocusProxy(@slider)
  end

  def value
    @slider.value
  end

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

  def range=(r)
    setRange(r.begin, r.end)
  end

  def setRange(minVal, maxVal)
    if minVal < 0 || maxVal > 99 || minVal > maxVal
      qWarning("LCDRange::setRange(#{minVal},#{maxVal})\n" +
               "\tRange must be 0..99\n" +
               "\tand minVal must not be greater than maxVal")
      return
    end
    @slider.setRange(minVal, maxVal)
  end

  def text=(s)
    @label.text = s
  end
end

Version data entries

7 entries across 7 versions & 2 rubygems

Version	Path
rock-qtbindings-4.8.6.5	examples/tutorial/t14/lcdrange.rb
qtbindings-4.8.6.5	examples/tutorial/t14/lcdrange.rb
qtbindings-4.8.6.5-x86-mingw32	examples/tutorial/t14/lcdrange.rb
qtbindings-4.8.6.5-x64-mingw32	examples/tutorial/t14/lcdrange.rb
qtbindings-4.8.6.4-x86-mingw32	examples/tutorial/t14/lcdrange.rb
qtbindings-4.8.6.4-x64-mingw32	examples/tutorial/t14/lcdrange.rb
qtbindings-4.8.6.4	examples/tutorial/t14/lcdrange.rb