Details
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Bug
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Resolution: Not an Issue
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P4
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None
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5.0
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x86
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windows_xp
Description
FULL PRODUCT VERSION :
Java version 1.5.0_06
ADDITIONAL OS VERSION INFORMATION :
Windows XP service Pack 2
A DESCRIPTION OF THE PROBLEM :
The keyPressed handler does not report the correct keychar for the KeyEvent when the following key is pressed: Ctrl [
The above combo represents the ASCII control code for Escape. The keyPressed handler for the " Ctrl [ " combo keys reports the KeyEvent.getChar() value as '[' instead of Escape (0x1b).
Other Ascii control characters such as Ctrl h is reported correctly by the keyPressed handler. The KeyEvent.getChar() reports the char as backspace.
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Just press the Ctrl key and the [ key.
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
I was expecting the Escape char (ox1b) to be reported by the KeyEvent.getChar() method for keyPressed handler. However, the keyTyped handler reports the correct char for KeyEvent.
ACTUAL -
When I pressed the Ctrl [ combo keys, I see the char reported as ' [ ' instead of being Escape.
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class KeyStrokePanel extends JFrame implements KeyListener{
int times = 0;
private JTextArea textArea;
public KeyStrokePanel() {
addKeyListener(this);
buildGUI();
}
private void buildGUI(){
JPanel mainPanel = (JPanel) getContentPane();
mainPanel.setLayout(new BorderLayout());
JLabel instructions = new JLabel("<html><ul><li>Press any keys.</li>"
+ "<li>You should see the event information displayed in the panel.</li></html>");
mainPanel.add(instructions, BorderLayout.NORTH);
JPanel centerPanel = buildCenterPanel();
mainPanel.add(centerPanel, BorderLayout.CENTER);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setLocationRelativeTo(null);
setVisible(true);
}
private void clearText()
{
textArea.setText("");
}
private void addText(String evtMsg) {
textArea.append(times+ " "+evtMsg + '\n');
times +=1;
}
---------- END SOURCE ----------
CUSTOMER SUBMITTED WORKAROUND :
I haven't found a work around yet, but supsect that I can use the keyTyped event. However, it would be better to be consistant and have the keyPressed handler report the " ctrl [ " combo correctly for the KeyEvent.getChar() method.
Java version 1.5.0_06
ADDITIONAL OS VERSION INFORMATION :
Windows XP service Pack 2
A DESCRIPTION OF THE PROBLEM :
The keyPressed handler does not report the correct keychar for the KeyEvent when the following key is pressed: Ctrl [
The above combo represents the ASCII control code for Escape. The keyPressed handler for the " Ctrl [ " combo keys reports the KeyEvent.getChar() value as '[' instead of Escape (0x1b).
Other Ascii control characters such as Ctrl h is reported correctly by the keyPressed handler. The KeyEvent.getChar() reports the char as backspace.
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Just press the Ctrl key and the [ key.
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
I was expecting the Escape char (ox1b) to be reported by the KeyEvent.getChar() method for keyPressed handler. However, the keyTyped handler reports the correct char for KeyEvent.
ACTUAL -
When I pressed the Ctrl [ combo keys, I see the char reported as ' [ ' instead of being Escape.
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class KeyStrokePanel extends JFrame implements KeyListener{
int times = 0;
private JTextArea textArea;
public KeyStrokePanel() {
addKeyListener(this);
buildGUI();
}
private void buildGUI(){
JPanel mainPanel = (JPanel) getContentPane();
mainPanel.setLayout(new BorderLayout());
JLabel instructions = new JLabel("<html><ul><li>Press any keys.</li>"
+ "<li>You should see the event information displayed in the panel.</li></html>");
mainPanel.add(instructions, BorderLayout.NORTH);
JPanel centerPanel = buildCenterPanel();
mainPanel.add(centerPanel, BorderLayout.CENTER);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setLocationRelativeTo(null);
setVisible(true);
}
private void clearText()
{
textArea.setText("");
}
private void addText(String evtMsg) {
textArea.append(times+ " "+evtMsg + '\n');
times +=1;
}
---------- END SOURCE ----------
CUSTOMER SUBMITTED WORKAROUND :
I haven't found a work around yet, but supsect that I can use the keyTyped event. However, it would be better to be consistant and have the keyPressed handler report the " ctrl [ " combo correctly for the KeyEvent.getChar() method.