| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.draw2d.examples.hittest; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.draw2d.ColorConstants; |
| import org.eclipse.draw2d.Ellipse; |
| import org.eclipse.draw2d.Figure; |
| import org.eclipse.draw2d.FlowLayout; |
| import org.eclipse.draw2d.LightweightSystem; |
| import org.eclipse.draw2d.MouseEvent; |
| import org.eclipse.draw2d.MouseMotionListener; |
| import org.eclipse.draw2d.Shape; |
| import org.eclipse.draw2d.geometry.Dimension; |
| |
| public class EllipseHitting { |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(); |
| |
| LightweightSystem lws = new LightweightSystem(shell); |
| |
| Figure panel = new Figure(); |
| panel.setLayoutManager(new FlowLayout()); |
| panel.setBackgroundColor(ColorConstants.white); |
| |
| MouseMotionListener listener = new MouseMotionListener.Stub() { |
| public void mouseEntered(MouseEvent me) { |
| ((Shape)me.getSource()).setBackgroundColor(ColorConstants.yellow); |
| } |
| public void mouseExited(MouseEvent me) { |
| ((Shape)me.getSource()).setBackgroundColor(ColorConstants.white); |
| } |
| }; |
| |
| for (int i=1; i <= 4; i++){ |
| Ellipse e = new Ellipse(); |
| e.setFill(true); |
| e.setPreferredSize(new Dimension (20 + 10*i + i%2, 60 - 10*i + i/2)); |
| e.addMouseMotionListener(listener); |
| panel.add(e); |
| } |
| |
| lws.setContents(panel); |
| shell.setSize(400,300); |
| shell.open(); |
| |
| while (!shell.isDisposed()) |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| |
| } |
| |
| } |