1 /* 2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.awt.X11; 27 28 import java.awt.GraphicsConfiguration; 29 import java.awt.Rectangle; 30 import java.awt.Toolkit; 31 import java.awt.peer.RobotPeer; 32 import java.security.AccessController; 33 34 import sun.awt.AWTAccessor; 35 import sun.awt.SunToolkit; 36 import sun.awt.UNIXToolkit; 37 import sun.awt.X11GraphicsConfig; 38 import sun.security.action.GetPropertyAction; 39 40 final class XRobotPeer implements RobotPeer { 41 42 static final boolean tryGtk; 43 static { 44 loadNativeLibraries(); 45 tryGtk = Boolean.parseBoolean( 46 AccessController.doPrivileged( 47 new GetPropertyAction("awt.robot.gtk", "true") 48 )); 49 } 50 private static volatile boolean useGtk; 51 private X11GraphicsConfig xgc = null; 52 53 /* 54 * native implementation uses some static shared data (pipes, processes) 55 * so use a class lock to synchronize native method calls 56 */ 57 static Object robotLock = new Object(); 58 59 XRobotPeer(GraphicsConfiguration gc) { 60 this.xgc = (X11GraphicsConfig)gc; 61 SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit(); 62 setup(tk.getNumberOfButtons(), 63 AWTAccessor.getInputEventAccessor().getButtonDownMasks()); 64 65 boolean isGtkSupported = false; 66 if (tryGtk) { 67 if (tk instanceof UNIXToolkit && ((UNIXToolkit) tk).loadGTK()) { 68 isGtkSupported = true; 69 } 70 } 71 72 useGtk = (tryGtk && isGtkSupported); 73 } 74 75 @Override 76 public void mouseMove(int x, int y) { 77 mouseMoveImpl(xgc, xgc.scaleUp(x), xgc.scaleUp(y)); 78 } 79 80 @Override 81 public void mousePress(int buttons) { 82 mousePressImpl(buttons); 83 } 84 85 @Override 86 public void mouseRelease(int buttons) { 87 mouseReleaseImpl(buttons); 88 } 89 90 @Override 91 public void mouseWheel(int wheelAmt) { 92 mouseWheelImpl(wheelAmt); 93 } 94 95 @Override 96 public void keyPress(int keycode) { 97 keyPressImpl(keycode); 98 } 99 100 @Override 101 public void keyRelease(int keycode) { 102 keyReleaseImpl(keycode); 103 } 104 105 @Override 106 public int getRGBPixel(int x, int y) { 107 int[] pixelArray = new int[1]; 108 getRGBPixelsImpl(xgc, x, y, 1, 1, pixelArray, useGtk); 109 return pixelArray[0]; 110 } 111 112 @Override 113 public int [] getRGBPixels(Rectangle bounds) { 114 int[] pixelArray = new int[bounds.width*bounds.height]; 115 getRGBPixelsImpl(xgc, bounds.x, bounds.y, bounds.width, bounds.height, 116 pixelArray, useGtk); 117 return pixelArray; 118 } 119 120 private static synchronized native void setup(int numberOfButtons, int[] buttonDownMasks); 121 private static native void loadNativeLibraries(); 122 123 private static synchronized native void mouseMoveImpl(X11GraphicsConfig xgc, int x, int y); 124 private static synchronized native void mousePressImpl(int buttons); 125 private static synchronized native void mouseReleaseImpl(int buttons); 126 private static synchronized native void mouseWheelImpl(int wheelAmt); 127 128 private static synchronized native void keyPressImpl(int keycode); 129 private static synchronized native void keyReleaseImpl(int keycode); 130 131 private static synchronized native void getRGBPixelsImpl(X11GraphicsConfig xgc, 132 int x, int y, int width, int height, int[] pixelArray, boolean isGtkSupported); 133 }