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java jscroll how to disable scrolling while user is holding the thumb

Posted on 2008-06-14
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Last Modified: 2013-12-17
java jscroll how to disable scrolling while user is holding the thumb
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Question by:newagedevil4u
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by:newagedevil4u
ID: 21787938
Here is the test code.
package com.nsn.cdr;
 

import javax.swing.*;

import java.util.*;

import javax.swing.text.*;
 

public class ScrollTest extends JFrame implements Runnable

{
 

    Thread thread;

    JTextPane content;

    JScrollPane contentScroll;

    Document doc;

    int i =0;
 

    public ScrollTest() {

        super("Scroll test");

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        content=new JTextPane();

        content.setEditable(false);

        doc=content.getDocument();

//        contentScroll=new JScrollPane(content);

        contentScroll=new JScrollPane();
 
 

        getContentPane().add(contentScroll);

        thread=new Thread(this);

        thread.setDaemon(true);

        thread.start();

        setSize(300,150);

        setVisible(true);

    }
 

    public void run()

    {

        while(true&&i<1)

        {

            final String line=("gfdgdfgdfgdfghdfhdfhdfhdfhdfhdfhdfhdfgdfgdfgdfhgdfghdifhgudfhgudfhguhdfughdfughdfuihgidfhgdfhgdfhguhdfiguhdfuighudfihgudfhgdfhguhdfghdfughudfhgudfhgudfguhdfughfdghfdhgudfhgufhgudfhgufdhguhfdugfugh"

                               +"\n"+"dfjgdfijgidfjgidfjgijdf"+"\n"+"jgdfgdfkgldfkg"+"\n"+"jgijsdfgij");

            SwingUtilities.invokeLater(new Runnable()

            {

                public void run()

                {

                    try

                    {

                        doc.insertString(doc.getLength(),line,null);

                        i++;

                    }

                    catch(BadLocationException e){}

                }

            });
 

            try

            {

                    Thread.currentThread().sleep(1000);

            }

            catch(Exception e){}

        }
 

    }
 

    public static void main(String[] args) {

        new ScrollTest();

    }
 

}

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Accepted Solution

by:
girionis earned 500 total points
ID: 21801619
You will have to consume the scrolling event while the key is pressed. Have a look here for something similar:

http://www.soft-amis.com/serendipity/index.php?/archives/12-Class-that-any-Swing-application-cant-live-without.html
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