import org.kde.qt.*; public class LCDRange extends QVBox { private QSlider slider; public LCDRange(QWidget parent, String name) { super(parent, name); QLCDNumber lcd = new QLCDNumber(2, this, "lcd"); slider = new QSlider(Horizontal, this, "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)")); setFocusProxy(slider); } public int value() { return slider.value(); } public void setValue(int value) { slider.setValue(value); } public void setRange(int minVal, int 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; } slider.setRange(minVal, maxVal); } }