Event Handling with the Swing Component Set - The Definitive Guide to Java Swing - page 24

// Define MouseListener
MouseListener mouseListener = new MouseAdapter() {
public void mousePressed(MouseEvent mouseEvent) {
int modifiers = mouseEvent.getModifiers();
if ((modifiers & InputEvent.BUTTON1_MASK) ==
InputEvent.BUTTON1_MASK) {
System.out.println("Left button pressed.");
}
if ((modifiers & InputEvent.BUTTON2_MASK) ==
InputEvent.BUTTON2_MASK) {
System.out.println("Middle button pressed.");
}
if ((modifiers & InputEvent.BUTTON3_MASK) ==
InputEvent.BUTTON3_MASK) {
System.out.println("Right button pressed.");
}
}
public void mouseReleased(MouseEvent mouseEvent) {
if (SwingUtilities.isLeftMouseButton(mouseEvent)) {
System.out.println("Left button released.");
}
if (SwingUtilities.isMiddleMouseButton(mouseEvent)) {
System.out.println("Middle button released.");
}
if (SwingUtilities.isRightMouseButton(mouseEvent)) {
System.out.println("Right button released.");
}
System.out.println();
}
};
// Attach listeners
button.addActionListener(actionListener);
button.addMouseListener(mouseListener);
frame.add(button, BorderLayout.SOUTH);
frame.setSize(300, 100);
frame.setVisible(true);
}
};
EventQueue.invokeLater(runner);
}
}