Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;

import javax.swing.JFrame;
import javax.swing.JTextArea;

public class Main extends JFrame {
    public Main() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(200, 200);
        JTextArea textArea = new JTextArea();
        textArea.addMouseWheelListener(new MouseWheelListener() {
            public void mouseWheelMoved(MouseWheelEvent e) {
                if (e.getWheelRotation() < 0) {
                    System.out.println("Up... " + e.getWheelRotation());
                } else {
                    System.out.println("Down... " + e.getWheelRotation());
                }
                System.out.println("ScrollAmount: " + e.getScrollAmount());

                if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
                    System.out.println("MouseWheelEvent.WHEEL_UNIT_SCROLL");
                }

                if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
                    System.out.println("MouseWheelEvent.WHEEL_BLOCK_SCROLL");
                }
            }
        });

        getContentPane().add(textArea);
    }

    public static void main(String[] args) {
        new Main().setVisible(true);
    }
}