jdk/src/solaris/classes/sun/awt/X11/XRepaintArea.java
author yan
Mon, 06 Oct 2008 16:45:00 +0400
changeset 1966 12a51fb0db0d
parent 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
5100701: Toolkit.getLockingKeyState() does not work on XToolkit, but works on Motif Summary: Does not work on Motif but works on XToolkit now; implemented using XQueryPointer. Reviewed-by: anthony
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/*
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 * Copyright 2003 Sun Microsystems, Inc.  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.  Sun designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Sun in the LICENSE file that accompanied this code.
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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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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package sun.awt.X11;
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import java.awt.Component;
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import java.awt.Graphics;
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import sun.awt.RepaintArea;
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import java.awt.peer.ComponentPeer;
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/**
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 * The <code>RepaintArea</code> is a geometric construct created for the
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 * purpose of holding the geometry of several coalesced paint events.
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 * This geometry is accessed synchronously, although it is written such
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 * that painting may still be executed asynchronously.
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 *
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 * @author      Eric Hawkes
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 */
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class XRepaintArea extends RepaintArea {
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    /**
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     * Constructs a new <code>XRepaintArea</code>
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     * @since   1.3
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     */
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    public XRepaintArea() {
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    }
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    /**
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     * Calls <code>Component.update(Graphics)</code> with given Graphics.
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     */
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    protected void updateComponent(Component comp, Graphics g) {
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        if (comp != null) {
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            ComponentPeer peer = comp.getPeer();
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            if (peer != null) {
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                peer.paint(g);
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            }
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            super.updateComponent(comp, g);
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        }
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    }
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    /**
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     * Calls <code>Component.paint(Graphics)</code> with given Graphics.
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     */
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    protected void paintComponent(Component comp, Graphics g) {
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        if (comp != null) {
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            ComponentPeer peer = comp.getPeer();
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            if (peer != null) {
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                peer.paint(g);
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            }
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            super.paintComponent(comp, g);
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        }
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    }
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}