1 files changed, 61 insertions, 0 deletions
diff --git a/qtjava/javalib/tutorial/t13/LCDRange.java b/qtjava/javalib/tutorial/t13/LCDRange.java
new file mode 100644
index 00000000..bf5001db
--- /dev/null
+++ b/qtjava/javalib/tutorial/t13/LCDRange.java
@@ -0,0 +1,61 @@
+import org.kde.qt.*;
+
+public class LCDRange extends QWidget {
+	private QSlider slider;
+	private QLabel label;
+	
+	public LCDRange(QWidget parent, String name) {
+		super(parent, name);
+		init();
+	}
+	
+	public LCDRange(String s, QWidget parent, String name) {
+		super(parent, name);
+		init();
+		setText(s);
+	}
+
+	private void init() {
+		QLCDNumber lcd = new QLCDNumber(2, this, "lcd");
+		slider = new QSlider(Horizontal, this, "slider");
+		slider.setRange(0, 99);
+		slider.setValue(0);
+
+		label = new QLabel(" ", this, "label", 0);
+		label.setAlignment(AlignCenter);
+		
+		connect(slider, SIGNAL("valueChanged(int)"),
+						lcd, SLOT("display(int)"));
+		connect(slider, SIGNAL("valueChanged(int)"),
+						SIGNAL("valueChanged(int)"));
+
+		setFocusProxy(slider);
+
+		QVBoxLayout l = new QVBoxLayout(this);
+		l.addWidget(lcd, 1);
+		l.addWidget(slider);
+		l.addWidget(label);
+	}
+
+	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);
+	}
+
+	public void setText(String s) {
+		label.setText(s);
+	}
+}