104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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* Copyright (c) 2010, 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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/* @test
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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 boolean isPaintingOrigin;
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private boolean innerPanelRepainted, outerPanelRepainted;
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public bug6989617() {
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final JButton button = new JButton("button");
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JPanel innerPanel = new JPanel() {
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protected boolean isPaintingOrigin() {
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return isPaintingOrigin;
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}
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public void repaint(long tm, int x, int y, int width, int height) {
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if (button.getParent() != null) {
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innerPanelRepainted = true;
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if (!button.getSize().equals(new Dimension(width, height))) {
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throw new RuntimeException("Wrong size of the dirty area");
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}
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if (!button.getLocation().equals(new Point(x, y))) {
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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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super.repaint(tm, x, y, width, height);
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}
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};
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JPanel outerPanel = new JPanel() {
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protected boolean isPaintingOrigin() {
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return isPaintingOrigin;
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}
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public void repaint(long tm, int x, int y, int width, int height) {
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if (button.getParent() != null) {
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outerPanelRepainted = true;
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if (!button.getSize().equals(new Dimension(width, height))) {
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throw new RuntimeException("Wrong size of the dirty area");
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}
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}
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super.repaint(tm, x, y, width, height);
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}
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};
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outerPanel.add(innerPanel);
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innerPanel.add(button);
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outerPanel.setSize(100, 100);
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innerPanel.setBounds(10, 10, 50, 50);
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button.setBounds(10, 10, 20, 20);
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if (innerPanelRepainted || outerPanelRepainted) {
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throw new RuntimeException("Repainted flag is unexpectedly on");
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}
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button.repaint();
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if (innerPanelRepainted || outerPanelRepainted) {
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throw new RuntimeException("Repainted flag is unexpectedly on");
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}
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isPaintingOrigin = true;
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button.repaint();
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if (!innerPanelRepainted || !outerPanelRepainted) {
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throw new RuntimeException("Repainted flag is unexpectedly off");
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}
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}
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public static void main(String... args) throws Exception {
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new bug6989617();
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}
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}
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