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Bug
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Resolution: Not an Issue
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P3
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20, 21
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b01
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generic
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generic
ADDITIONAL SYSTEM INFORMATION :
Microsoft Windows [Version 10.0.19045.2965]
openjdk version "21-ea" 2023-09-19
OpenJDK Runtime Environment (build 21-ea+24-2086)
OpenJDK 64-Bit Server VM (build 21-ea+24-2086, mixed mode, sharing)
A DESCRIPTION OF THE PROBLEM :
A non-editable JTextArea component displays a cursor at the end.
REGRESSION : Last worked in version 17.0.7
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Compile and run the provided reproducer.
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
A non-editable JTextArea should not display a caret.
ACTUAL -
Non-editable JTextArea displays caret. This error also occurs with Java 20.0.1.
---------- BEGIN SOURCE ----------
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CaretBugFrame extends JFrame
{
public CaretBugFrame()
{
super( "Caret Bug" );
setDefaultCloseOperation( EXIT_ON_CLOSE );
JTextArea textArea = new JTextArea( 6, 25 );
textArea.setEditable( false );
textArea.setLineWrap( true );
textArea.setWrapStyleWord( true );
textArea.setText( "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua." );
add( textArea );
pack();
setVisible( true );
}
public static void main( String[] args )
{
EventQueue.invokeLater( () -> { new CaretBugFrame(); } );
}
}
---------- END SOURCE ----------
CUSTOMER SUBMITTED WORKAROUND :
Stay on Java 17
FREQUENCY : always
Microsoft Windows [Version 10.0.19045.2965]
openjdk version "21-ea" 2023-09-19
OpenJDK Runtime Environment (build 21-ea+24-2086)
OpenJDK 64-Bit Server VM (build 21-ea+24-2086, mixed mode, sharing)
A DESCRIPTION OF THE PROBLEM :
A non-editable JTextArea component displays a cursor at the end.
REGRESSION : Last worked in version 17.0.7
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Compile and run the provided reproducer.
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
A non-editable JTextArea should not display a caret.
ACTUAL -
Non-editable JTextArea displays caret. This error also occurs with Java 20.0.1.
---------- BEGIN SOURCE ----------
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CaretBugFrame extends JFrame
{
public CaretBugFrame()
{
super( "Caret Bug" );
setDefaultCloseOperation( EXIT_ON_CLOSE );
JTextArea textArea = new JTextArea( 6, 25 );
textArea.setEditable( false );
textArea.setLineWrap( true );
textArea.setWrapStyleWord( true );
textArea.setText( "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua." );
add( textArea );
pack();
setVisible( true );
}
public static void main( String[] args )
{
EventQueue.invokeLater( () -> { new CaretBugFrame(); } );
}
}
---------- END SOURCE ----------
CUSTOMER SUBMITTED WORKAROUND :
Stay on Java 17
FREQUENCY : always
[JDK-8309572] Non-editable JTextArea displays cursor postion at the end
Expected to show text caret on focused non-editable text components as an indicator of focus and a guide to allow the text selection for text copy.
Yes, this is an intended behavior. The fact that the text caret is visible means that the component has keyboard focus.
I guess it's expected behaviour as per JDK-8299077 which caused this "regression" but I will let the author comment on it
Checked with attached testcase, issue is reproducible attached screenshot
Test Result
=========
8u371: Pass
11.0.19: Pass
17.0.7:Pass
19.0.2: Pass
20: Fail<<Regression
20.0.1: Fail
21ea25: Fail
Test Result
=========
8u371: Pass
11.0.19: Pass
17.0.7:Pass
19.0.2: Pass
20: Fail<<Regression
20.0.1: Fail
21ea25: Fail