Source for gnu.java.awt.peer.gtk.GdkRobotPeer

   1: /* GdkRobot.java -- an XTest implementation of RobotPeer
   2:    Copyright (C) 2004, 2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.java.awt.peer.gtk;
  39: 
  40: import java.awt.AWTException;
  41: import java.awt.GraphicsDevice;
  42: import java.awt.Rectangle;
  43: import java.awt.image.ColorModel;
  44: import java.awt.image.DirectColorModel;
  45: import java.awt.peer.RobotPeer;
  46: 
  47: /**
  48:  * Implements the RobotPeer interface using the XTest extension.
  49:  *
  50:  * @author Thomas Fitzsimmons
  51:  */
  52: public class GdkRobotPeer implements RobotPeer
  53: {
  54:   // gdk-pixbuf provides data in RGBA format
  55:   static final ColorModel cm = new DirectColorModel (32, 0xff000000,
  56:                                                      0x00ff0000,
  57:                                                      0x0000ff00,
  58:                                                      0x000000ff);
  59: 
  60:   public GdkRobotPeer (GraphicsDevice screen) throws AWTException
  61:   {
  62:     // FIXME: make use of screen parameter when GraphicsDevice is
  63:     // implemented.
  64:     if (!initXTest ())
  65:       throw new AWTException ("XTest extension not supported");
  66:   }
  67: 
  68:   native boolean initXTest ();
  69: 
  70:   // RobotPeer methods
  71:   public native void mouseMove (int x, int y);
  72:   public native void mousePress (int buttons);
  73:   public native void mouseRelease (int buttons);
  74:   public native void mouseWheel (int wheelAmt);
  75:   public native void keyPress (int keycode);
  76:   public native void keyRelease (int keycode);
  77:   native int[] nativeGetRGBPixels (int x, int y, int width, int height);
  78: 
  79:   public int getRGBPixel (int x, int y)
  80:   {
  81:     return cm.getRGB (nativeGetRGBPixels (x, y, 1, 1)[0]);
  82:   }
  83: 
  84:   public int[] getRGBPixels (Rectangle r)
  85:   {
  86:     int[] gdk_pixels = nativeGetRGBPixels (r.x, r.y, r.width, r.height);
  87:     int[] pixels = new int[r.width * r.height];
  88: 
  89:     for (int i = 0; i < r.width * r.height; i++)
  90:       pixels[i] = cm.getRGB (gdk_pixels[i]);
  91: 
  92:     return pixels;
  93:   }
  94: 
  95:   public void dispose()
  96:   {
  97:     // Nothing to do here yet.
  98:   }
  99: }