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