/* GdkRobot.java -- an XTest implementation of RobotPeer
   Copyright (C) 2004, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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terms of your choice, provided that you also meet, for each linked
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package gnu.java.awt.peer.gtk;

import java.awt.AWTException;
import java.awt.GraphicsDevice;
import java.awt.Rectangle;
import java.awt.image.ColorModel;
import java.awt.image.DirectColorModel;
import java.awt.peer.RobotPeer;

/**
 * Implements the RobotPeer interface using the XTest extension.
 *
 * @author Thomas Fitzsimmons
 */
public class GdkRobotPeer implements RobotPeer
{
  // gdk-pixbuf provides data in RGBA format
  static final ColorModel cm = new DirectColorModel (32, 0xff000000,
						     0x00ff0000,
						     0x0000ff00,
						     0x000000ff);

  public GdkRobotPeer (GraphicsDevice screen) throws AWTException
  {
    // FIXME: make use of screen parameter when GraphicsDevice is
    // implemented.
    if (!initXTest ())
      throw new AWTException ("XTest extension not supported");
  }

  native boolean initXTest ();

  // RobotPeer methods
  public native void mouseMove (int x, int y);
  public native void mousePress (int buttons);
  public native void mouseRelease (int buttons);
  public native void mouseWheel (int wheelAmt);
  public native void keyPress (int keycode);
  public native void keyRelease (int keycode);
  native int[] nativeGetRGBPixels (int x, int y, int width, int height);

  public int getRGBPixel (int x, int y)
  {
    return cm.getRGB (nativeGetRGBPixels (x, y, 1, 1)[0]);
  }

  public int[] getRGBPixels (Rectangle r)
  {
    int[] gdk_pixels = nativeGetRGBPixels (r.x, r.y, r.width, r.height);
    int[] pixels = new int[r.width * r.height];

    for (int i = 0; i < r.width * r.height; i++)
      pixels[i] = cm.getRGB (gdk_pixels[i]);

    return pixels;
  }
}