/* * 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 @bug 6989617 @summary Enable JComponent to control repaintings of its children @author Alexander Potochkin @run main bug6989617 */ import sun.awt.SunToolkit; 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 { SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 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 toolkit.realSync(); SwingUtilities.invokeAndWait(new Runnable() { public void run() { panel.resetPaintRectangle(); button.repaint(); } }); toolkit.realSync(); 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 toolkit.realSync(); 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(); } }); toolkit.realSync(); 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; } } }