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POProblem to focus JTextField
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copied!<p>(Problem occur in Ubuntu only. Works fine in Windows. I don't know in other Linux environments)</p> <p>I have used the approach of the ComponentListener to call focus in JTextField within a dialog, but for this case is just not working, I don't know why. It shows the focus in the text field and fast change to the button. Run and see:</p> <pre><code>import java.awt.Component; import java.awt.GridLayout; import java.awt.event.ComponentAdapter; import java.awt.event.ComponentEvent; import javax.swing.JDialog; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JTextField; import javax.swing.SwingUtilities; public class User { private String username = ""; private String password = ""; public User() { // default constructor } public User(String username, String password) { this.username = username; this.password = password; } /** Create a panel containing the componet and tha label. */ public JPanel createLabeledComponent(JLabel label, Component comp) { GridLayout layout = new GridLayout(2, 1); JPanel panel = new JPanel(layout); panel.add(label); panel.add(comp); label.setLabelFor(comp); return panel; } public void showEditDialog() { JLabel usernameLbl = new JLabel(username); final JTextField usernameField = new JTextField(); usernameField.setText(username); JPanel usernamePnl = createLabeledComponent(usernameLbl, usernameField); JLabel passwordLbl = new JLabel(password); JPasswordField passwordField = new JPasswordField(password); JPanel passwordPnl = createLabeledComponent(passwordLbl, passwordField); Object[] fields = { "User:", usernamePnl, "Password:", passwordPnl }; JOptionPane optionPane = new JOptionPane(fields, JOptionPane.PLAIN_MESSAGE, JOptionPane.OK_CANCEL_OPTION, null, null); JDialog dialog = optionPane.createDialog("User Data"); dialog.addComponentListener(new ComponentAdapter() { @Override public void componentShown(ComponentEvent e) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { usernameField.requestFocusInWindow(); } }); } }); dialog.setVisible(true); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new User().showEditDialog(); } }); } } </code></pre> <p>Any idea how to solve this?</p> <p><strong>--update</strong></p> <p>Everything running on EDT now. Sadly with the same behavior.</p> <p>By the way, either using the last argument (Object initialValue) of the JOptionPane constructor doesn't work.</p>

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