1 /* 2 * Copyright (c) 2003, 2017, 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 package sun.awt.X11; 26 27 import java.awt.*; 28 import java.awt.peer.*; 29 import java.security.AccessController; 30 import sun.security.action.GetPropertyAction; 31 32 import sun.awt.AWTAccessor; 33 import sun.awt.SunToolkit; 34 import sun.awt.UNIXToolkit; 35 import sun.awt.X11GraphicsConfig; 36 37 class XRobotPeer implements RobotPeer { 38 39 static final boolean tryGtk; 40 static { 41 loadNativeLibraries(); 42 tryGtk = Boolean.parseBoolean( 43 AccessController.doPrivileged( 44 new GetPropertyAction("awt.robot.gtk", "true") 45 )); 46 } 47 private static volatile boolean useGtk; 48 private X11GraphicsConfig xgc = null; 49 50 /* 51 * native implementation uses some static shared data (pipes, processes) 52 * so use a class lock to synchronize native method calls 53 */ 54 static Object robotLock = new Object(); 55 56 XRobotPeer(GraphicsConfiguration gc) { 57 this.xgc = (X11GraphicsConfig)gc; 58 SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit(); 59 setup(tk.getNumberOfButtons(), 60 AWTAccessor.getInputEventAccessor().getButtonDownMasks()); 61 62 boolean isGtkSupported = false; 63 if (tryGtk) { 64 if (tk instanceof UNIXToolkit && ((UNIXToolkit) tk).loadGTK()) { 65 isGtkSupported = true; 66 } 67 } 68 69 useGtk = (tryGtk && isGtkSupported); 70 } 71 72 @Override 73 public void dispose() { 74 // does nothing 75 } 76 77 @Override 78 public void mouseMove(int x, int y) { 79 mouseMoveImpl(xgc, xgc.scaleUp(x), xgc.scaleUp(y)); 80 } 81 82 @Override 83 public void mousePress(int buttons) { 84 mousePressImpl(buttons); 85 } 86 87 @Override 88 public void mouseRelease(int buttons) { 89 mouseReleaseImpl(buttons); 90 } 91 92 @Override 93 public void mouseWheel(int wheelAmt) { 94 mouseWheelImpl(wheelAmt); 95 } 96 97 @Override 98 public void keyPress(int keycode) { 99 keyPressImpl(keycode); 100 } 101 102 @Override 103 public void keyRelease(int keycode) { 104 keyReleaseImpl(keycode); 105 } 106 107 @Override 108 public int getRGBPixel(int x, int y) { 109 int pixelArray[] = new int[1]; 110 getRGBPixelsImpl(xgc, x, y, 1, 1, pixelArray, useGtk); 111 return pixelArray[0]; 112 } 113 114 @Override 115 public int [] getRGBPixels(Rectangle bounds) { 116 int pixelArray[] = new int[bounds.width*bounds.height]; 117 getRGBPixelsImpl(xgc, bounds.x, bounds.y, bounds.width, bounds.height, 118 pixelArray, useGtk); 119 return pixelArray; 120 } 121 122 private static synchronized native void setup(int numberOfButtons, int[] buttonDownMasks); 123 private static native void loadNativeLibraries(); 124 125 private static synchronized native void mouseMoveImpl(X11GraphicsConfig xgc, int x, int y); 126 private static synchronized native void mousePressImpl(int buttons); 127 private static synchronized native void mouseReleaseImpl(int buttons); 128 private static synchronized native void mouseWheelImpl(int wheelAmt); 129 130 private static synchronized native void keyPressImpl(int keycode); 131 private static synchronized native void keyReleaseImpl(int keycode); 132 133 private static synchronized native void getRGBPixelsImpl(X11GraphicsConfig xgc, 134 int x, int y, int width, int height, int pixelArray[], boolean isGtkSupported); 135 }