| /* |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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 |
| XlibWrapper.larg4, // root_y_return |
| XlibWrapper.larg5, // win_x_return |
| XlibWrapper.larg6, // win_y_return |
| XlibWrapper.larg7); // mask_return |
| long siblingWindow = Native.getWindow(XlibWrapper.larg8); |
| return (siblingWindow == contentWindow && windowOnTheSameScreen); |
| } |
| finally |
| { |
| XToolkit.awtUnlock(); |
| } |
| } |
| } |