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/*
* Copyright (c) 2022, 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 6529151
* @key headful
* @summary Verifies no NPE is thrown in SynthLookAndFeel$Handler
* @run main RepaintNPE
*/
import java.awt.Container;
import java.awt.Component;
import java.awt.Robot;
import java.awt.Point;
import java.awt.event.InputEvent;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.plaf.ComponentUI;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class RepaintNPE
{
private static JFrame frame;
private static JButton showDialogButton = null;
private static class DumbDialog extends JDialog {
public DumbDialog ( JFrame parent )
{
super ( parent, "DumbDialog", true );
setDefaultCloseOperation ( DISPOSE_ON_CLOSE );
JEditorPane editorPane = new JEditorPane();
editorPane.setContentType ( "text/html" );
editorPane.setEditable ( false );
JScrollPane scrollPane = new JScrollPane ( editorPane );
add( scrollPane );
setSize( 400, 400 );
setVisible( true );
}
public void dispose() {
super.dispose();
myDispose( this );
}
private void myDispose( Container container ) {
Component[] components = container.getComponents ();
for ( Component comp : components ) {
// Special dispose for JComponent's remove UI
if (comp instanceof JComponent) {
JComponent jComp = (JComponent)comp;
try
{
ComponentUI compUI = jComp.getUI();
compUI.uninstallUI ( jComp );
} catch ( Throwable t ) {}
// Recurse children
myDispose( jComp );
}
}
}
}
public static void main ( String args [] ) throws Exception
{
Robot robot = new Robot();
UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
SwingUtilities.invokeAndWait ( () -> {
frame = new JFrame();
showDialogButton = new JButton( "Show Dialog" );
showDialogButton.addActionListener((e) -> {
if ( e.getSource() == showDialogButton ) {
new DumbDialog ( frame );
}
});
frame.add ( showDialogButton );
frame.setSize( 100, 100 );
frame.setLocationRelativeTo(null);
frame.setUndecorated(true);
frame.setVisible( true );
});
robot.waitForIdle();
robot.delay(1000);
Point loc = frame.getLocationOnScreen();
robot.mouseMove(loc.x+10, loc.y+10);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
SwingUtilities.invokeAndWait(() -> frame.dispose());
}
}
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