MouseEventExample.java Source code

Introduction

Here is the source code for MouseEventExample.java

Source

//Send questions, comments, bug reports, etc. to the authors:

//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

/**
 * This class demonstrates mouse events
 */
public class MouseEventExample implements MouseListener, MouseMoveListener, MouseTrackListener {

    // The label to hold the messages from mouse events
    Label myLabel = null;

    /**
     * MouseEventExample constructor
     * 
     * @param shell the shell
     */
    public MouseEventExample(Shell shell) {
        myLabel = new Label(shell, SWT.BORDER);
        myLabel.setText("I ain't afraid of any old mouse");
        shell.addMouseListener(this);
        shell.addMouseMoveListener(this);
        shell.addMouseTrackListener(this);
    }

    /**
     * The application entry point
     * 
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // Create the window
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setLayout(new GridLayout());
        shell.setSize(450, 200);
        shell.setText("Mouse Event Example");

        // Create the listener
        MouseEventExample myMouseEventExample = new MouseEventExample(shell);

        // Display the window
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
        display.dispose();
    }

    /**
     * Called when user double-clicks the mouse
     */
    public void mouseDoubleClick(MouseEvent e) {
        myLabel.setText("Double Click " + e.button + " at: " + e.x + "," + e.y);
    }

    /**
     * Called when user clicks the mouse
     */
    public void mouseDown(MouseEvent e) {
        myLabel.setText("Button " + e.button + " Down at: " + e.x + "," + e.y);
    }

    /**
     * Called when user releases the mouse after clicking
     */
    public void mouseUp(MouseEvent e) {
        myLabel.setText("Button " + e.button + " Up at: " + e.x + "," + e.y);
    }

    /**
     * Called when user moves the mouse
     */
    public void mouseMove(MouseEvent e) {
        myLabel.setText("Mouse Move at: " + e.x + "," + e.y);
    }

    /**
     * Called when user enters the shell with the mouse
     */
    public void mouseEnter(MouseEvent e) {
        myLabel.setText("Mouse Enter at: " + e.x + "," + e.y);
    }

    /**
     * Called when user exits the shell with the mouse
     */
    public void mouseExit(MouseEvent e) {
        myLabel.setText("Mouse Exit at: " + e.x + "," + e.y);
    }

    /**
     * Called when user hovers the mouse
     */
    public void mouseHover(MouseEvent e) {
        myLabel.setText("Mouse Hover at: " + e.x + "," + e.y);
    }
}