demonstrate scroll bar using applet

aashisham · web-flow · commit ffe0b798eaec · 2019-02-16T18:22:29.000+05:45
diff --git a/EventsAndAWTSwing/AWT/Scrollbar/SBDemo.java b/EventsAndAWTSwing/AWT/Scrollbar/SBDemo.java
@@ -0,0 +1,61 @@
+import java.awt.*;
+import java.awt.event.*;
+import java.applet.*;
+
+/*
+<applet code="SBDemo" width=300 height=250>
+</applet>
+*/
+
+public class SBDemo extends Applet implements AdjustmentListener, MouseMotionListener {   
+
+	String msg = "";   
+	Scrollbar vertSB, horzSB; 
+ 
+  	public void init() {     
+
+  		int width = Integer.parseInt(getParameter("width"));     
+  		int height = Integer.parseInt(getParameter("height")); 
+ 
+    	vertSB = new Scrollbar(Scrollbar.VERTICAL, 0, 1, 0, height);     
+    	vertSB.setPreferredSize(new Dimension(20, 100)); 
+   		horzSB = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, width);     
+   		horzSB.setPreferredSize(new Dimension(100, 20)); 
+ 
+    	add(vertSB);     
+    	add(horzSB); 
+ 
+    	// register to receive adjustment events
+    	vertSB.addAdjustmentListener(this);     
+    	horzSB.addAdjustmentListener(this); 
+ 
+    	addMouseMotionListener(this);   
+    } 
+ 
+  	public void adjustmentValueChanged(AdjustmentEvent ae) {     
+  		repaint();   
+  	} 
+ 
+  	// Update scroll bars to reflect mouse dragging.   
+  	public void mouseDragged(MouseEvent me) {     
+  		int x = me.getX();     
+  		int y = me.getY();     
+  		vertSB.setValue(y);     
+  		horzSB.setValue(x);     
+  		repaint();   
+  	} 
+ 
+  	// Necessary for MouseMotionListener   
+  	public void mouseMoved(MouseEvent me) {   
+  	} 
+ 
+  	// Display current value of scroll bars.   
+  	public void paint(Graphics g) {      
+  		msg = "Vertical: " + vertSB.getValue();      
+  		msg += ",  Horizontal: " + horzSB.getValue();      
+  		g.drawString(msg, 6, 160); 
+ 
+     	// show current mouse drag position      
+  		g.drawString("*", horzSB.getValue(), vertSB.getValue());   
+  	} 
+ } 
