DSCN5849

POLITECHNIKA RZESZOWSKA - Wydział Efektrotechnib i IrfomttyU

^|ar Obsługa zdarzeń w klasie głównej - rolka myszki

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

| import java.awt.event.*;

public ciass MouseWheelTest extends JFrame implements

MouseWheelListener (

private JSpinner spinner;

public MouseWheelTest () {    I' C?¹:¹.¹. ,-lpl .*1

super("MouseWheelTest"); setSize(220, 110);

spinner = new JSpinner () ;    __________

spinner.addMouseWheelLlstener(this); getContentPaneO.add(spinner, BorderLayout.NORTH);

)

public void mouseWheelMoved(MouseWheelEvent e) {

int wheelRotation = e.getWheelEotation(); // krok 1 lub -1 Integer oldValue = (Integer)spinner.getValue(); int newValue = oldValue.intValue() - wheelRotation; spinner.setValue(new Integer(newValue));

public static void main(String[] args) { new MouseWheelTest().setVisible(true);}

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Copyright S> 2012 Jan PROKOP