FULL PRODUCT VERSION :
JDK 1.5.0_08, JDK 1.5.0_09, and JDK 1.5.0_10-b03

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
When the showSaveDialog method of JFileChooser is called from the Windows default look and feel, the left button panel contains buttons such as 'Desktop' and 'My Documents'. When mouseover those buttons on a Windows Save Dialog, tooltips display. The tooltips are not showing up on the JFileChooser when mouseover those buttons.


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run the attached code as an applet on Windows XP look and feel and look at the button panel on the left side of the JFileChooser dialog. Mouseover one of the buttons on the left column.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Tooltips show

ACTUAL -
No Tooltips show

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;

/**
 * @author Tristan Manwaring
 */
public class AppletJFileChooserBug extends JApplet { //bug occurs with "extends Applet" as well

public void start() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception e) {
}

JFrame frame = new JFrame();
frame.setVisible(true);

JFileChooser fc = new JFileChooser();
fc.showSaveDialog(frame);

System.exit(0);
}
}
---------- END SOURCE ----------