6824395: Several Swing core components prevent using them in wrapper classes
Reviewed-by: peterz
/*
* Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @summary Checks that JLayer inside JViewport works is correctly laid out
* @author Alexander Potochkin
* @run main bug6824395
*/
import sun.awt.SunToolkit;
import javax.swing.*;
import javax.swing.plaf.LayerUI;
import java.awt.*;
public class bug6824395 {
static JScrollPane scrollPane;
public static void main(String[] args) throws Exception {
SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
JFrame frame = new JFrame("testing");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JEditorPane editorPane = new JEditorPane();
String str = "hello\n";
for(int i = 0; i<5; i++) {
str += str;
}
editorPane.setText(str);
JLayer<JEditorPane> editorPaneLayer = new JLayer<JEditorPane>(editorPane);
LayerUI<JComponent> layerUI = new LayerUI<JComponent>();
editorPaneLayer.setUI(layerUI);
scrollPane = new JScrollPane(editorPaneLayer);
scrollPane.setPreferredSize(new Dimension(200, 250));
frame.add(scrollPane);
frame.setSize(200, 200);
frame.pack();
frame.setVisible(true);
}
});
toolkit.realSync();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
if (scrollPane.getViewportBorderBounds().width != scrollPane.getViewport().getView().getWidth()) {
throw new RuntimeException("Wrong component's width!");
}
}
});
}
}