[commit-cp] [bugs #11948] [Swing] more then one JTextField cause actionMap loop.

[Thomas Zander]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=11948>

                 Summary: [Swing] more then one JTextField cause actionMap
loop.
                 Project: classpath
            Submitted by: zander
            Submitted on: Sat 02/12/2005 at 20:03
                Category: classpath
                Severity: 5 - Average
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
        Platform Version: None

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Details:

In a Swing UI I have more then one JTextField on screen and if I call 

javax.swing.SwingUtilities.updateComponentTreeUI(myFrame);

it ends up in an endless loop on 

javax.swing.SwingUtilities.replaceUIActionMap(comp, actionmap) doing a
getParent on the map (line 1113 on current CVS).



Notice that this endless looping only happens on the from the updateUI of the
second JTextField on screen.



See the following runnable testcase that will never go past the
updateComponentTreeUI line. (tested in jamvm 1.2.4





import javax.swing.*;



public class Example2 extends JPanel {

    public Example2() {

        JTextField sName = new JTextField();

        JTextField sCity = new JTextField();

        add(sCity);

        add(sName);

    }

    public static void main(String[] args) {

       
System.getProperties().put("gnu.java.awt.peer.gtk.Graphics","Graphics2D");

        final JFrame f = new JFrame();

        JPanel p = new Example2();

        f.getContentPane().add(p);

        SwingUtilities.invokeLater(new Runnable() {

            public void run() {

                SwingUtilities.updateComponentTreeUI(f);

                f.setSize(new java.awt.Dimension(400, 500));

                f.setVisible(true);

            }

        });

    }

}








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