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