number « JTextArea « Java Swing Q&A

1. Java JTextArea Line Numbers stackoverflow.com

I'm trying to add line numbers to a JTextArea and am having some difficulties. The line numbers appear, but they do not scroll properly. I have a linked-list of a custom ...

2. line number in JTextArea coderanch.com

3. Finding current line number - textarea coderanch.com

import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; public class Test implements CaretListener { private JTextArea area; public Test(JTextArea area) { this.area = area; } public static void main(String[] args) throws Exception { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JTextArea area = new JTextArea(); area.addCaretListener(new Test(area)); frame.add(new JScrollPane(area)); frame.pack(); frame.setVisible(true); } public void caretUpdate(CaretEvent e) { try { int offset = area.getCaretPosition(); int ...

4. How to include a line number in a Text Area java-forums.org

Greetings, How would I implement this to a text area component (like JTextArea, or JEditorPane) wherein each line a encode; there exists a line counter the increments with respect to the number of lines in the text area? Can you help me determine what classes, methods, implementation I am to utilize to have this output. To clearly visualize this, this is ...

5. show line numbers in JTextArea forums.oracle.com

If I were going to create a web site for the sole purpose of calling people morons, I would at least make sure it worked without displaying a bunch of error messages. But maybe he's just proving his qualifications to call other people stupid, based on the theory that it takes one to know one.