extends MouseTrackAdapter : MouseEvent « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. MouseEvent

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseTrackAdapter;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

public class MouseTrackAdapter {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Label label = new Label(shell, SWT.SHADOW_IN | SWT.CENTER);

    shell.setLayout(new GridLayout());

    MouseTrackAdapter listener = new MouseEnterExitListener();

    label.setText("Point your cursor here ...");
    label.setBounds(30, 30, 200, 30);

    label.addMouseTrackListener(listener);

    shell.setSize(260, 120);
    shell.open();

    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
  }

}

class MouseEnterExitListener extends MouseTrackAdapter {
  public void mouseEnter(MouseEvent e) {
        System.out.println("Cursor enters the label");
  }

  public void mouseExit(MouseEvent arg0) {
    System.out.println("Cursor leaves the label");
  }
}

17.91.MouseEvent
	17.91.1.	Using MouseListener, MouseMoveListener, and MouseTrackListener
	17.91.2.	Using MouseListener
	17.91.3.	Using MouseMoveListener
	17.91.4.	extends MouseTrackAdapter
	17.91.5.	Using MouseTrackListener
	17.91.6.	Detect mouse enter, exit and hover events
	17.91.7.	Print mouse state and button (down, move, up)
	17.91.8.	Add Mouse Down, Up and Move event
	17.91.9.	Composite: intercept mouse events (drag a button with the mouse)