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/*
* Copyright (c) 2015, 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.
*/
import java.awt.Color;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import java.awt.Component;
import javax.swing.JOptionPane;
/**
* @test
* @bug 8039345
* @author Prasanta Sadhukhan
* @run main/manual ComponentResizeTest
* @summary Resizes JFrame so that component drawn inside it gets repainted
* without leaving any trails
*/
public class ComponentResizeTest {
private static JFrame demoFrame;
public static void testresize() throws Exception {
Thread.sleep(5000);
for (int i = 0; i < 20; i++) {
SwingUtilities.invokeLater(() -> {
demoFrame.setSize(demoFrame.getWidth() + 5, demoFrame.getHeight() + 5);
});
Thread.sleep(1000);
}
}
public static void main(String[] args) throws Exception {
SwingUtilities.invokeAndWait(() -> {
JOptionPane.showMessageDialog(
(Component) null,
"The test creates a transparent JFrame and resizes the JFrame. Please verify JFrame is transparent and components (like JButton, checkbox) move without leaving any trails",
"information", JOptionPane.INFORMATION_MESSAGE);
createAndShowGUI();
});
try {
testresize();
} finally {
SwingUtilities.invokeLater(() -> {
demoFrame.dispose();
});
}
SwingUtilities.invokeAndWait(() -> {
int confirm = JOptionPane.showConfirmDialog(
(Component) null,
"Did the component resize work without leaving any trails?",
"alert", JOptionPane.YES_NO_OPTION);
if (confirm == JOptionPane.YES_OPTION) {
System.out.println("Test passed");
} else {
System.out.println("Test failed");
throw new RuntimeException("Component resize leaves trail");
}
});
}
private static void createAndShowGUI() {
demoFrame = new JFrame();
demoFrame.setSize(300, 300);
demoFrame.setLayout(new FlowLayout());
demoFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
demoFrame.setUndecorated(true);
demoFrame.setBackground(new Color(0f, 0, 0, 0.1f));
JCheckBox b = new JCheckBox("Whatever");
demoFrame.paintAll(null);
b.setOpaque(true);
demoFrame.add(b);
demoFrame.add(new JButton());
demoFrame.setVisible(true);
}
}
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