Name: rmT116609 Date: 06/26/2002


FULL PRODUCT VERSION :
java version "1.4.0_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0_01-b03)
Java HotSpot(TM) Client VM (build 1.4.0_01-b03, mixed mode)


FULL OPERATING SYSTEM VERSION :
Microsoft Windows 2000 [Version 5.00.2195], SP2

EXTRA RELEVANT SYSTEM CONFIGURATION :
Czech locale

A DESCRIPTION OF THE PROBLEM :

There are extra KEY_TYPED keyevent generated after both
KEY_RELEASED events in case Alt+Left is pressed (and many
others). This extra KEY_TYPED is not generated on 1.3.1.
Although I have nothing against generation of the KEY_TYPED
event it must have the Alt modifier filled in properly
otherwise the filtering in defaultKeyTypedAction in the
editor kit will not filter out that KEY_TYPED event and the
text will get inserted into the document. This makes the
Alt+Left shortcut and many others unusable on 1.4. I think
this already happen in past on 1.2 or 1.1 so I've marked
this bug as regression.



REGRESSION. Last worked in version 1.3.1

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Run attached app with JEditorPane on W2k
2. Press Alt then Cursor-left and then release both keys
3. Comma will appear in the JEditorPane's document which is wrong IMHO.


EXPECTED VERSUS ACTUAL BEHAVIOR :
Console Output on 1.4:
KEY_PRESSED,keyCode=18,keyChar='?',modifiers=Alt,extModifiers=Alt,keyLocation=KEY_LOCATION_LEFT
---------------------------------
KEY_PRESSED,keyCode=37,Left,modifiers=Alt,extModifiers=Alt,keyLocation=KEY_LOCATION_STANDARD
---------------------------------
KEY_RELEASED,keyCode=37,Left,modifiers=Alt,extModifiers=Alt,keyLocation=KEY_LOCATION_STANDARD
---------------------------------
KEY_RELEASED,keyCode=18,keyChar='?',keyLocation=KEY_LOCATION_LEFT
---------------------------------
KEY_TYPED,keyCode=0,keyChar=',',keyLocation=KEY_LOCATION_UNKNOWN
---------------------------------

Console output on 1.3.1:
KEY_PRESSED,keyCode=18,keyChar='?',modifiers=Alt
---------------------------------
KEY_PRESSED,keyCode=37,Left,modifiers=Alt
---------------------------------
KEY_RELEASED,keyCode=37,Left,modifiers=Alt
---------------------------------
KEY_RELEASED,keyCode=18,keyChar='?'
---------------------------------

REPRODUCIBILITY :
This bug can be reproduced always.

The problem is also reproducible on Windows 2000 using 1.4.1-beta.

---------- BEGIN SOURCE ----------

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class KeyEventTest {
    
    public static void main(String args[]) {
        JEditorPane pane = new JEditorPane();
        JFrame f = new JFrame();
        f.addWindowListener (new WindowAdapter () {
          public void windowClosing (WindowEvent evt) {
            System.exit(0);
          }
        });
    
        f.getContentPane().add(new JScrollPane(pane));
        f.setSize(500, 500);
        f.setVisible(true);

        // Key listener that debugs the key events
        // being sent to the pane
        pane.addKeyListener(
            new KeyListener() {
                public void keyPressed(KeyEvent e) {
                    debugKeyEvent(e);
                }
                
                public void keyReleased(KeyEvent e) {
                    debugKeyEvent(e);
                }
                
                public void keyTyped(KeyEvent e) {
                    debugKeyEvent(e);
                }
            }
        );
    }

    private static void debugKeyEvent(KeyEvent e) {
        System.err.println(e.paramString());
        System.err.println("---------------------------------");
    }

}


---------- END SOURCE ----------

Release Regression From : 1.3.1_03
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.

(Review ID: 158480)
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