DSCN5479

Ą    POLITECHNIK* RZESZOWSKA - WydłUI BtktrMdrśk) . IntarayW

l’j'^a Obsługa zdarzeń w klasie głównej - rolka myszki

I import java.awt.*; import javax.swing.*;

| import java.awt.event.*; .

public class MouseWheelTest extends JFrame lmplements

MousetiheelListener

private JSpinner spinner;    r——

public MouseWheelTe3t () {    I L.N.to.IT

super("MouseWheelTest");    ..........

setSize(220, 110);

spinner *» new JSpinner();    _______

spinner.addMouseWhaelListener(this);

getContentPaneO .add(spinner, BorderLayout.NORTH);

)

public void mouseWheelMoved(MouseWheelEvent e) (

int wheelRotation = e.getWheelRotation(); //

. Integor oldValue = <Integer)spinner.getValje int newValue = oldValue.inCValue() - wheelRo spinner. netValue (new Ińteger (r.ewValue));

public static void main(String(| args) ( new MouseWheelTest O . setvis ible (Cr);)

)