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copied!<p>Seems to work just fine for me...</p> <p>Click the second text field and you should see the focus lost event fire.</p> <pre><code>import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.event.FocusEvent; import java.awt.event.FocusListener; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; public class TestFocus { public static void main(String[] args) { new TestFocus(); } public TestFocus() { EventQueue.invokeLater(new Runnable() { @Override public void run() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException ex) { } catch (InstantiationException ex) { } catch (IllegalAccessException ex) { } catch (UnsupportedLookAndFeelException ex) { } JFrame frame = new JFrame("Test"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); frame.add(new TestPane()); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } }); } public class TestPane extends JPanel { public TestPane() { add(new JScrollPane(new JDynamicTextArea())); add(new JTextField(10)); } } protected class JDynamicTextArea extends JTextArea implements FocusListener { public JDynamicTextArea() { super(10, 10); addFocusListener(this); } public void focusGained(FocusEvent e) { System.out.println("Focus gained"); } public void focusLost(FocusEvent e) { System.out.println("Focus lost"); } } } </code></pre> <p><strong>Updated with key focus transfer</strong></p> <p>To reenable keyboard transfer focus, you need to add the following to the constructor</p> <pre><code>Set<KeyStroke> strokes = new HashSet<KeyStroke>(Arrays.asList(KeyStroke.getKeyStroke("pressed TAB"))); setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, strokes); strokes = new HashSet<KeyStroke>(Arrays.asList(KeyStroke.getKeyStroke("shift pressed TAB"))); setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, strokes); </code></pre>

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