1 /*
   2  * Copyright (c) 2011, 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.lwawt.macosx;
  27 
  28 import java.awt.*;
  29 import java.awt.peer.*;
  30 
  31 import sun.awt.CGraphicsDevice;
  32 
  33 class CRobot implements RobotPeer {
  34     private static final int MOUSE_LOCATION_UNKNOWN      = -1;
  35 
  36     private final CGraphicsDevice fDevice;
  37     private int mouseLastX = MOUSE_LOCATION_UNKNOWN;
  38     private int mouseLastY = MOUSE_LOCATION_UNKNOWN;
  39 
  40     // OS X doesn't generate dragged event as a result of button press and
  41     // mouse move events. This means that we have to track buttons state
  42     // in order to generate dragged events ourselves.
  43     private int mouseButtonsState = 0;
  44 
  45     /**
  46      * Uses the given GraphicsDevice as the coordinate system for subsequent
  47      * coordinate calls.
  48      */
  49     public CRobot(Robot r, CGraphicsDevice d) {
  50         fDevice = d;
  51         initRobot();
  52     }
  53 
  54     @Override
  55     public void dispose() {
  56     }
  57 
  58     /**
  59      * Moves mouse pointer to given screen coordinates.
  60      * @param x X position
  61      * @param y Y position
  62      */
  63     @Override
  64     public void mouseMove(int x, int y) {
  65         mouseLastX = x;
  66         mouseLastY = y;
  67 
  68         mouseEvent(fDevice.getCGDisplayID(), mouseLastX, mouseLastY,
  69                    mouseButtonsState, true, true);
  70     }
  71 
  72     /**
  73      * Presses one or more mouse buttons.
  74      *
  75      * @param buttons the button mask (combination of
  76      * <code>InputEvent.BUTTON1/2/3_MASK</code>)
  77      */
  78     @Override
  79     public void mousePress(int buttons) {
  80         mouseButtonsState |= buttons;
  81 
  82         mouseEvent(fDevice.getCGDisplayID(), mouseLastX, mouseLastY,
  83                    buttons, true, false);
  84     }
  85 
  86     /**
  87      * Releases one or more mouse buttons.
  88      *
  89      * @param buttons the button mask (combination of
  90      * <code>InputEvent.BUTTON1/2/3_MASK</code>)
  91      */
  92     @Override
  93     public void mouseRelease(int buttons) {
  94         mouseButtonsState &= ~buttons;
  95 
  96         mouseEvent(fDevice.getCGDisplayID(), mouseLastX, mouseLastY,
  97                    buttons, false, false);
  98     }
  99 
 100     @Override
 101     public native void mouseWheel(int wheelAmt);
 102 
 103     /**
 104      * Presses a given key.
 105      * <p>
 106      * Key codes that have more than one physical key associated with them
 107      * (e.g. <code>KeyEvent.VK_SHIFT</code> could mean either the
 108      * left or right shift key) will map to the left key.
 109      * <p>
 110      * Assumes that the
 111      * peer implementations will throw an exception for other bogus
 112      * values e.g. -1, 999999
 113      *
 114      * @param keycode the key to press (e.g. <code>KeyEvent.VK_A</code>)
 115      */
 116     @Override
 117     public void keyPress(final int keycode) {
 118         keyEvent(keycode, true);
 119     }
 120 
 121     /**
 122      * Releases a given key.
 123      * <p>
 124      * Key codes that have more than one physical key associated with them
 125      * (e.g. <code>KeyEvent.VK_SHIFT</code> could mean either the
 126      * left or right shift key) will map to the left key.
 127      * <p>
 128      * Assumes that the
 129      * peer implementations will throw an exception for other bogus
 130      * values e.g. -1, 999999
 131      *
 132      * @param keycode the key to release (e.g. <code>KeyEvent.VK_A</code>)
 133      */
 134     @Override
 135     public void keyRelease(final int keycode) {
 136         keyEvent(keycode, false);
 137     }
 138 
 139     /**
 140      * Returns the color of a pixel at the given screen coordinates.
 141      * @param x X position of pixel
 142      * @param y Y position of pixel
 143      * @return color of the pixel
 144      */
 145     @Override
 146     public int getRGBPixel(int x, int y) {
 147         int c[] = new int[1];
 148         getScreenPixels(new Rectangle(x, y, 1, 1), c);
 149         return c[0];
 150     }
 151 
 152     /**
 153      * Creates an image containing pixels read from the screen.
 154      * @param bounds the rect to capture in screen coordinates
 155      * @return the array of pixels
 156      */
 157     @Override
 158     public int [] getRGBPixels(final Rectangle bounds) {
 159         int c[] = new int[bounds.width * bounds.height];
 160         getScreenPixels(bounds, c);
 161 
 162         return c;
 163     }
 164 
 165     private native void initRobot();
 166     private native void mouseEvent(int displayID, int lastX, int lastY,
 167                                    int buttonsState,
 168                                    boolean isButtonsDownState,
 169                                    boolean isMouseMove);
 170     private native void keyEvent(int javaKeyCode, boolean keydown);
 171     private void getScreenPixels(Rectangle r, int[] pixels){
 172         nativeGetScreenPixels(r.x, r.y, r.width, r.height, pixels);
 173     }
 174     private native void nativeGetScreenPixels(int x, int y, int width, int height, int[] pixels);
 175 }
--- EOF ---