| /* |
| * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @key headful |
| * @bug 6989617 |
| * @summary Enable JComponent to control repaintings of its children |
| * @author Alexander Potochkin |
| * @run main bug6989617 |
| */ |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| public class bug6989617 { |
| private static MyPanel panel; |
| private static JButton button; |
| |
| public static void main(String... args) throws Exception { |
| Robot robot = new Robot(); |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| JFrame frame = new JFrame(); |
| frame. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| panel = new MyPanel(); |
| |
| button = new JButton("Hello"); |
| panel.add(button); |
| frame.add(panel); |
| |
| frame.setSize(200, 300); |
| frame.setVisible(true); |
| } |
| }); |
| // Testing the panel as a painting origin, |
| // the panel.paintImmediately() must be triggered |
| // when button.repaint() is called |
| robot.waitForIdle(); |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| panel.resetPaintRectangle(); |
| button.repaint(); |
| } |
| }); |
| robot.waitForIdle(); |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| Rectangle pr = panel.getPaintRectangle(); |
| if (!pr.getSize().equals(button.getSize())) { |
| throw new RuntimeException("wrong size of the dirty area"); |
| } |
| if (!pr.getLocation().equals(button.getLocation())) { |
| throw new RuntimeException("wrong location of the dirty area"); |
| } |
| } |
| }); |
| // Testing the panel as NOT a painting origin |
| // the panel.paintImmediately() must NOT be triggered |
| // when button.repaint() is called |
| robot.waitForIdle(); |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| panel.resetPaintRectangle(); |
| panel.setPaintingOrigin(false); |
| if (panel.getPaintRectangle() != null) { |
| throw new RuntimeException("paint rectangle is not null"); |
| } |
| button.repaint(); |
| } |
| }); |
| robot.waitForIdle(); |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| if(panel.getPaintRectangle() != null) { |
| throw new RuntimeException("paint rectangle is not null"); |
| } |
| System.out.println("Test passed..."); |
| } |
| }); |
| } |
| |
| static class MyPanel extends JPanel { |
| private boolean isPaintingOrigin = true; |
| private Rectangle paintRectangle; |
| |
| { |
| setLayout(new GridBagLayout()); |
| } |
| |
| public boolean isPaintingOrigin() { |
| return isPaintingOrigin; |
| } |
| |
| public void setPaintingOrigin(boolean paintingOrigin) { |
| isPaintingOrigin = paintingOrigin; |
| } |
| |
| public void paintImmediately(int x, int y, int w, int h) { |
| super.paintImmediately(x, y, w, h); |
| paintRectangle = new Rectangle(x, y, w, h); |
| } |
| |
| public Rectangle getPaintRectangle() { |
| return paintRectangle == null? null: new Rectangle(paintRectangle); |
| } |
| |
| public void resetPaintRectangle() { |
| this.paintRectangle = null; |
| } |
| } |
| } |