Name: nkR10003 Date: 11/20/2000


JavaDoc for BasicComboPopup.InvocationKeyHandler class states:
"This listener watches for the spacebar being pressed and shows/hides the
popup accordingly." This does not work from JDK1.4 version.

Please send out CCC request.

Example below demonstrates this problem:
------------------example--------------------
import javax.swing.*;
import javax.swing.plaf.basic.*;
import java.awt.event.*;
import java.awt.*;
import java.lang.reflect.*;

public class test {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Test");
        frame.setSize(100,50);
        String[] data = {"one", "two", "three", "four", "five"};
        final JComboBox comboBox = new JComboBox(data);
        final InnerClassListener showFlag = new InnerClassListener();
        comboBox.setUI(new StubComboBoxUI());
        frame.getContentPane().add(comboBox);
        
        frame.setVisible(true);
        final KeyEvent event =
                new KeyEvent(comboBox, KeyEvent.KEY_RELEASED,
                0, 0, KeyEvent.VK_SPACE);
        try {
            SwingUtilities.invokeAndWait (new Runnable() {
                public synchronized void run() {
                    ((StubComboBoxUI)comboBox.getUI()).
                            stubProcessPopupKeyEvent(event);
                    if (comboBox.getUI().isPopupVisible(comboBox)) {
                        showFlag.setFlag();
                    }
                }
            });
        } catch (InvocationTargetException ite) {
            ite.printStackTrace();
        } catch (InterruptedException ie) {
            ie.printStackTrace();
        }
        
        if (!showFlag.getFlag()) {
            System.out.println("Test failed: popup was not shown");
            System.exit(0);
        }
        
        System.out.println("Test passed: OK");
        System.exit(0);
        
    }
}

class StubComboBoxUI extends BasicComboBoxUI {
    StubComboBoxUI() {
        super();
    }
    
    public void stubProcessPopupKeyEvent( KeyEvent e ) {
        popup.getKeyListener().keyReleased(e);
    }
}

class InnerClassListener {
    private boolean flag = false;

    public boolean getFlag() {
        boolean temp = flag;
        flag = false;
        return temp;
    }
    
    public void setFlag() {
        flag = true;
    }
}
----------------output:----------------------
java version "1.4.0beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0beta-b40)
Java HotSpot(TM) Client VM (build 1.4beta-B40, mixed mode)
-------------------------------
Test failed: popup was not shown
=============================================
java version "1.3.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0-C)
Java HotSpot(TM) Client VM (build 1.3.0-C, interpreted mode)
--------------------------------
Test passed: OK
---------------------------------------------
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