1 /*
   2  * Copyright (c) 2003, 2015, 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 
  30 import sun.awt.AWTAccessor;
  31 import sun.awt.SunToolkit;
  32 import sun.awt.UNIXToolkit;
  33 import sun.awt.X11GraphicsConfig;
  34 import sun.awt.X11GraphicsEnvironment;
  35 
  36 class XRobotPeer implements RobotPeer {
  37 
  38     private static volatile boolean isGtkSupported;
  39     private X11GraphicsConfig   xgc = null;
  40     /*
  41      * native implementation uses some static shared data (pipes, processes)
  42      * so use a class lock to synchronize native method calls
  43      */
  44     static Object robotLock = new Object();
  45 
  46     XRobotPeer(GraphicsConfiguration gc) {
  47         this.xgc = (X11GraphicsConfig)gc;
  48         SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
  49         setup(tk.getNumberOfButtons(),
  50                 AWTAccessor.getInputEventAccessor().getButtonDownMasks());
  51 
  52         Toolkit toolkit = Toolkit.getDefaultToolkit();
  53         if (!isGtkSupported) {
  54             if (toolkit instanceof UNIXToolkit
  55                     && ((UNIXToolkit) toolkit).loadGTK()) {
  56                 isGtkSupported = true;
  57             }
  58         }
  59     }
  60 
  61     @Override
  62     public void dispose() {
  63         // does nothing
  64     }
  65 
  66     @Override
  67     public void mouseMove(int x, int y) {
  68         X11GraphicsEnvironment x11ge = (X11GraphicsEnvironment)
  69                 GraphicsEnvironment.getLocalGraphicsEnvironment();
  70         if(x11ge.runningXinerama()) {
  71             Rectangle sb = xgc.getBounds();
  72             mouseMoveImpl(xgc, xgc.scaleUp(x + sb.x), xgc.scaleUp(y + sb.y));
  73         } else {
  74             mouseMoveImpl(xgc, xgc.scaleUp(x), xgc.scaleUp(y));
  75         }
  76     }
  77 
  78     @Override
  79     public void mousePress(int buttons) {
  80         mousePressImpl(buttons);
  81     }
  82 
  83     @Override
  84     public void mouseRelease(int buttons) {
  85         mouseReleaseImpl(buttons);
  86     }
  87 
  88     @Override
  89     public void mouseWheel(int wheelAmt) {
  90         mouseWheelImpl(wheelAmt);
  91     }
  92 
  93     @Override
  94     public void keyPress(int keycode) {
  95         keyPressImpl(keycode);
  96     }
  97 
  98     @Override
  99     public void keyRelease(int keycode) {
 100         keyReleaseImpl(keycode);
 101     }
 102 
 103     @Override
 104     public int getRGBPixel(int x, int y) {
 105         int pixelArray[] = new int[1];
 106         getRGBPixelsImpl(xgc, x, y, 1, 1, xgc.getScale(), pixelArray,
 107                          isGtkSupported);
 108         return pixelArray[0];
 109     }
 110 
 111     @Override
 112     public int [] getRGBPixels(Rectangle bounds) {
 113         int pixelArray[] = new int[bounds.width*bounds.height];
 114         getRGBPixelsImpl(xgc, bounds.x, bounds.y, bounds.width, bounds.height,
 115                          xgc.getScale(), pixelArray, isGtkSupported);
 116         return pixelArray;
 117     }
 118 
 119     private static synchronized native void setup(int numberOfButtons, int[] buttonDownMasks);
 120 
 121     private static synchronized native void mouseMoveImpl(X11GraphicsConfig xgc, int x, int y);
 122     private static synchronized native void mousePressImpl(int buttons);
 123     private static synchronized native void mouseReleaseImpl(int buttons);
 124     private static synchronized native void mouseWheelImpl(int wheelAmt);
 125 
 126     private static synchronized native void keyPressImpl(int keycode);
 127     private static synchronized native void keyReleaseImpl(int keycode);
 128 
 129     private static synchronized native void getRGBPixelsImpl(X11GraphicsConfig xgc,
 130             int x, int y, int width, int height, int scale,
 131             int pixelArray[], boolean isGtkSupported);
 132 }