Demonstrates mouse events


//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);
  }
}

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Demonstrates mouse events : Event « SWT JFace Eclipse « Java

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