jdk/src/solaris/classes/sun/awt/X11/XMouseInfoPeer.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 2003-2006 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.Point;
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import java.awt.Window;
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import java.awt.GraphicsEnvironment;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsDevice;
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import java.awt.peer.MouseInfoPeer;
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public class XMouseInfoPeer implements MouseInfoPeer {
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    /**
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     * Package-private constructor to prevent instantiation.
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     */
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    XMouseInfoPeer() {
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    }
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    public int fillPointWithCoords(Point point) {
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        long display = XToolkit.getDisplay();
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        GraphicsEnvironment ge = GraphicsEnvironment.
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                                     getLocalGraphicsEnvironment();
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        GraphicsDevice[] gds = ge.getScreenDevices();
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        int gdslen = gds.length;
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        XToolkit.awtLock();
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        try {
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            for (int i = 0; i < gdslen; i++) {
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                long screenRoot = XlibWrapper.RootWindow(display, i);
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                boolean pointerFound = XlibWrapper.XQueryPointer(
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                                           display, screenRoot,
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                                           XlibWrapper.larg1,  // root_return
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                                           XlibWrapper.larg2,  // child_return
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                                           XlibWrapper.larg3,  // xr_return
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                                           XlibWrapper.larg4,  // yr_return
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                                           XlibWrapper.larg5,  // xw_return
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                                           XlibWrapper.larg6,  // yw_return
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                                           XlibWrapper.larg7); // mask_return
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                if (pointerFound) {
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                    point.x = Native.getInt(XlibWrapper.larg3);
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                    point.y = Native.getInt(XlibWrapper.larg4);
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                    return i;
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                }
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            }
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        } finally {
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            XToolkit.awtUnlock();
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        }
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        // this should never happen
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        assert false : "No pointer found in the system.";
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        return 0;
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    }
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    public boolean isWindowUnderMouse(Window w) {
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        long display = XToolkit.getDisplay();
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        // java.awt.Component.findUnderMouseInWindow checks that
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        // the peer is non-null by checking that the component
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        // is showing.
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        long contentWindow = ((XWindow)w.getPeer()).getContentWindow();
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        long parent = XlibUtil.getParentWindow(contentWindow);
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        XToolkit.awtLock();
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        try
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        {
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            boolean windowOnTheSameScreen = XlibWrapper.XQueryPointer(display, parent,
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                                  XlibWrapper.larg1, // root_return
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                                  XlibWrapper.larg8, // child_return
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                                  XlibWrapper.larg3, // root_x_return
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                                  XlibWrapper.larg4, // root_y_return
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                                  XlibWrapper.larg5, // win_x_return
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                                  XlibWrapper.larg6, // win_y_return
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                                  XlibWrapper.larg7); //  mask_return
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            long siblingWindow = Native.getWindow(XlibWrapper.larg8);
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            return (siblingWindow == contentWindow && windowOnTheSameScreen);
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        }
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        finally
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        {
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            XToolkit.awtUnlock();
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        }
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    }
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}