Java Programming Code Examples
Java > Java AWT Code Examples
Demonstrating method mouseDrag
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Demonstrating method mouseDrag
import java.applet.Applet;
import java.awt.*;
public class Drag extends Applet {
private int xValue, yValue;
private boolean firstTime;
public void init()
{
// first running of program
firstTime = true;
}
public void paint( Graphics g )
{
// do not draw the first time
if ( !firstTime )
g.fillOval( xValue, yValue, 4, 4 );
}
// override Component class update
public void update( Graphics g )
{
// do not clear background
// only call paint
paint( g );
}
public boolean mouseDrag( Event e, int x, int y )
{
xValue = x;
yValue = y;
// enable drawing
firstTime = false;
repaint(); // call repaint
showStatus( "Event: mouseDrag" );
return true; // event handled
}
}
