/*
* Copyright (c) 2003, 2017, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*
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package sun.awt.X11;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Point;
import java.awt.Window;
import java.awt.peer.MouseInfoPeer;
import sun.awt.AWTAccessor;
import sun.awt.X11GraphicsDevice;
public final class XMouseInfoPeer implements MouseInfoPeer {
/**
* Package-private constructor to prevent instantiation.
*/
XMouseInfoPeer() {
}
public int fillPointWithCoords(Point point) {
long display = XToolkit.getDisplay();
GraphicsEnvironment ge = GraphicsEnvironment.
getLocalGraphicsEnvironment();
GraphicsDevice[] gds = ge.getScreenDevices();
int gdslen = gds.length;
XToolkit.awtLock();
try {
for (int i = 0; i < gdslen; i++) {
long screenRoot = XlibWrapper.RootWindow(display, i);
boolean pointerFound = XlibWrapper.XQueryPointer(
display, screenRoot,
XlibWrapper.larg1, // root_return
XlibWrapper.larg2, // child_return
XlibWrapper.larg3, // xr_return
XlibWrapper.larg4, // yr_return
XlibWrapper.larg5, // xw_return
XlibWrapper.larg6, // yw_return
XlibWrapper.larg7); // mask_return
if (pointerFound) {
point.x = Native.getInt(XlibWrapper.larg3);
point.y = Native.getInt(XlibWrapper.larg4);
GraphicsDevice device = gds[i];
if (device instanceof X11GraphicsDevice) {
int scale = ((X11GraphicsDevice) device).getScaleFactor();
point.x = XlibUtil.scaleDown(point.x, scale);
point.y = XlibUtil.scaleDown(point.y, scale);
}
return i;
}
}
} finally {
XToolkit.awtUnlock();
}
// this should never happen
assert false : "No pointer found in the system.";
return 0;
}
@SuppressWarnings("deprecation")
public boolean isWindowUnderMouse(Window w) {
if (w == null) {
return false;
}
XWindow peer = AWTAccessor.getComponentAccessor().getPeer(w);
if (peer == null) {
return false;
}
long display = XToolkit.getDisplay();
long contentWindow = peer.getContentWindow();
long parent = XlibUtil.getParentWindow(contentWindow);
XToolkit.awtLock();
try
{
boolean windowOnTheSameScreen = XlibWrapper.XQueryPointer(display, parent,
XlibWrapper.larg1, // root_return
XlibWrapper.larg8, // child_return
XlibWrapper.larg3, // root_x_return
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