8130390: Applet fails to launch on virtual desktop
Reviewed-by: azvegint, serb
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3bc940fdaa
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@ -3980,9 +3980,10 @@ public abstract class Component implements ImageObserver, MenuContainer,
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/**
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* Inner class for flipping buffers on a component. That component must
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* be a <code>Canvas</code> or <code>Window</code>.
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* be a <code>Canvas</code> or <code>Window</code> or <code>Applet</code>.
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* @see Canvas
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* @see Window
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* @see Applet
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* @see java.awt.image.BufferStrategy
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* @author Michael Martak
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* @since 1.4
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@ -4030,9 +4031,11 @@ public abstract class Component implements ImageObserver, MenuContainer,
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/**
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* Creates a new flipping buffer strategy for this component.
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* The component must be a <code>Canvas</code> or <code>Window</code>.
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* The component must be a <code>Canvas</code> or <code>Window</code> or
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* <code>Applet</code>.
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* @see Canvas
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* @see Window
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* @see Applet
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* @param numBuffers the number of buffers
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* @param caps the capabilities of the buffers
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* @exception AWTException if the capabilities supplied could not be
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@ -4049,10 +4052,11 @@ public abstract class Component implements ImageObserver, MenuContainer,
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throws AWTException
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{
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if (!(Component.this instanceof Window) &&
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!(Component.this instanceof Canvas))
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!(Component.this instanceof Canvas) &&
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!(Component.this instanceof Applet))
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{
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throw new ClassCastException(
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"Component must be a Canvas or Window");
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"Component must be a Canvas or Window or Applet");
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}
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this.numBuffers = numBuffers;
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this.caps = caps;
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55
jdk/test/java/awt/applet/Applet/AppletFlipBuffer.java
Normal file
55
jdk/test/java/awt/applet/Applet/AppletFlipBuffer.java
Normal file
@ -0,0 +1,55 @@
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/*
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* Copyright (c) 2015, 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 8130390
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@summary Applet fails to launch on virtual desktop
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@author Semyon Sadetsky
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*/
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import sun.awt.AWTAccessor;
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import java.applet.Applet;
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import java.awt.*;
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public class AppletFlipBuffer {
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public static void main(String[] args) throws Exception {
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Applet applet = new Applet();
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AWTAccessor.ComponentAccessor componentAccessor
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= AWTAccessor.getComponentAccessor();
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BufferCapabilities caps = new BufferCapabilities(
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new ImageCapabilities(true), new ImageCapabilities(true),
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BufferCapabilities.FlipContents.BACKGROUND);
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Frame frame = new Frame();
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try {
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frame.add(applet);
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frame.setUndecorated(true);
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frame.setVisible(true);
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componentAccessor.createBufferStrategy(applet, 2, caps);
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System.out.println("ok");
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}
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finally {
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frame.dispose();
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}
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}
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}
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