import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

public class ShellON_TOP {

	static boolean activated = false;
	static Shell resizableShell;
	static final int DRAG_TOLERANCE = 4;
	
	public static void main(String[] args) {
		final Display display = new Display();
		final Shell shell = new Shell();
		shell.setBounds(10, 10, 200, 200);

		final StyledText text = new StyledText(shell,SWT.BORDER);
		text.setBounds(10,10,140,140);
		text.addListener(SWT.KeyDown, new Listener() {
			public void handleEvent(Event event) {
				if (!activated) {
					activated = true;
					resizableShell = new Shell(shell, SWT.ON_TOP);
					resizableShell.addListener(SWT.MouseMove, new Listener() {
						public void handleEvent(Event event) {
							if ((event.stateMask & SWT.BUTTON1) != 0) {
								Display display = resizableShell.getDisplay();
								Rectangle bounds = resizableShell.getBounds();
								int edgeStyle = SWT.NONE;
								if (bounds.width - event.x < DRAG_TOLERANCE) edgeStyle |= SWT.RIGHT;
								if (bounds.height - event.y < DRAG_TOLERANCE) edgeStyle |= SWT.DOWN;
								if (event.x < DRAG_TOLERANCE) edgeStyle |= SWT.LEFT;
								if (event.y < DRAG_TOLERANCE) edgeStyle |= SWT.UP;
								if (edgeStyle != SWT.NONE) {
									Tracker tracker = new Tracker(display,edgeStyle | SWT.RESIZE);
									tracker.setRectangles(new Rectangle[] {bounds});
									if (!tracker.open()) return;	// cancelled
									resizableShell.setBounds(tracker.getRectangles()[0]);
								}
							}
						}
					});

					resizableShell.setBounds(60,60,100,100);
					Table table = new Table(resizableShell, SWT.BORDER);
					for (int i = 0; i < 3; i++) {
						new TableItem(table,SWT.NONE).setText("aaa");
					}
					table.setBounds(10,10,50,50);
					resizableShell.setVisible(true);
					resizableShell.addListener(SWT.Close, new Listener() {
						public void handleEvent(Event event) {
							activated = false;
						}
					});
				}
			}
		});

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