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1 files changed, 423 insertions, 0 deletions

diff --git a/libjava/classpath/java/awt/Robot.java b/libjava/classpath/java/awt/Robot.java
new file mode 100644
index 000000000..30de5ca84
--- /dev/null
+++ b/libjava/classpath/java/awt/Robot.java
@@ -0,0 +1,423 @@
+/* Robot.java -- a native input event generator
+   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
+the Free Software Foundation; either version 2, or (at your option)
+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.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.awt;
+
+import gnu.java.awt.ClasspathToolkit;
+
+import java.lang.reflect.InvocationTargetException;
+import java.awt.event.InputEvent;
+import java.awt.image.BufferedImage;
+import java.awt.peer.RobotPeer;
+
+/**
+ * The Robot class is used to simulate user interaction with graphical
+ * programs.  It can generate native windowing system input events and
+ * retrieve image data from the current screen.  Robot is used to test
+ * the AWT and Swing library implementations; it can also be used to
+ * create self-running demo programs.
+ *
+ * Since Robot generates native windowing system events, rather than
+ * simply inserting {@link AWTEvent}s on the AWT event queue, its use
+ * is not restricted to Java programs.  It can be used to
+ * programatically drive any graphical application.
+ *
+ * This implementation requires an X server that supports the XTest
+ * extension.
+ *
+ * @author Thomas Fitzsimmons (fitzsim@redhat.com)
+ *
+ * @since 1.3
+ */
+public class Robot
+{
+  private boolean waitForIdle;
+  private int autoDelay;
+  private RobotPeer peer;
+
+  /**
+   * Construct a Robot object that operates on the default screen.
+   *
+   * @exception AWTException if GraphicsEnvironment.isHeadless()
+   * returns true or if the X server does not support the XTest
+   * extension
+   * @exception SecurityException if createRobot permission is not
+   * granted
+   */
+  public Robot () throws AWTException
+  {
+    if (GraphicsEnvironment.isHeadless ())
+      throw new AWTException ("Robot: headless graphics environment");
+
+    SecurityManager sm = System.getSecurityManager ();
+    if (sm != null)
+      sm.checkPermission (new AWTPermission ("createRobot"));
+
+    ClasspathToolkit tk = (ClasspathToolkit) Toolkit.getDefaultToolkit ();
+
+    // createRobot will throw AWTException if XTest is not supported.
+    peer = tk.createRobot (GraphicsEnvironment.getLocalGraphicsEnvironment ()
+                           .getDefaultScreenDevice ());
+  }
+
+  /**
+   * Construct a Robot object that operates on the specified screen.
+   *
+   * @exception AWTException if GraphicsEnvironment.isHeadless()
+   * returns true or if the X server does not support the XTest
+   * extension
+   * @exception IllegalArgumentException if screen is not a screen
+   * GraphicsDevice
+   * @exception SecurityException if createRobot permission is not
+   * granted
+   */
+  public Robot (GraphicsDevice screen) throws AWTException
+  {
+    if (GraphicsEnvironment.isHeadless ())
+      throw new AWTException ("Robot: headless graphics environment");
+
+    if (screen.getType () != GraphicsDevice.TYPE_RASTER_SCREEN)
+      throw new IllegalArgumentException ("Robot: graphics"
+                                          + " device is not a screen");
+
+    SecurityManager sm = System.getSecurityManager ();
+    if (sm != null)
+      sm.checkPermission (new AWTPermission ("createRobot"));
+
+    ClasspathToolkit tk = (ClasspathToolkit) Toolkit.getDefaultToolkit ();
+
+    // createRobot will throw AWTException if XTest is not supported.
+    peer = tk.createRobot (screen);
+  }
+
+  /**
+   * Move the mouse pointer to absolute coordinates (x, y).
+   *
+   * @param x the destination x coordinate
+   * @param y the destination y coordinate
+   */
+  public void mouseMove(int x, int y)
+  {
+    peer.mouseMove (x, y);
+
+    if (waitForIdle)
+      waitForIdle ();
+
+    if (autoDelay > 0)
+      delay (autoDelay);
+  }
+
+  /**
+   * Press one or more mouse buttons.
+   *
+   * @param buttons the buttons to press; a bitmask of one or more of
+   * these {@link InputEvent} fields:
+   *
+   * <ul>
+   *   <li>BUTTON1_MASK</li>
+   *   <li>BUTTON2_MASK</li>
+   *   <li>BUTTON3_MASK</li>
+   * </ul>
+   *
+   * @exception IllegalArgumentException if the button mask is invalid
+   */
+  public void mousePress (int buttons)
+  {
+    if ((buttons & InputEvent.BUTTON1_MASK) == 0
+        && (buttons & InputEvent.BUTTON2_MASK) == 0
+        && (buttons & InputEvent.BUTTON3_MASK) == 0)
+      throw new IllegalArgumentException ("Robot: mousePress:"
+                                          + " invalid button mask");
+
+    peer.mousePress (buttons);
+
+    if (waitForIdle)
+      waitForIdle ();
+
+    if (autoDelay > 0)
+      delay (autoDelay);
+  }
+
+  /**
+   * Release one or more mouse buttons.
+   *
+   * @param buttons the buttons to release; a bitmask of one or more
+   * of these {@link InputEvent} fields:
+   *
+   * <ul>
+   *   <li>BUTTON1_MASK</li>
+   *   <li>BUTTON2_MASK</li>
+   *   <li>BUTTON3_MASK</li>
+   * </ul>
+   *
+   * @exception IllegalArgumentException if the button mask is invalid
+   */
+  public void mouseRelease(int buttons)
+  {
+    if ((buttons & InputEvent.BUTTON1_MASK) == 0
+        && (buttons & InputEvent.BUTTON2_MASK) == 0
+        && (buttons & InputEvent.BUTTON3_MASK) == 0)
+      throw new IllegalArgumentException ("Robot: mouseRelease:"
+                                          + " invalid button mask");
+
+    peer.mouseRelease (buttons);
+
+    if (waitForIdle)
+      waitForIdle ();
+
+    if (autoDelay > 0)
+      delay (autoDelay);
+  }
+
+  /**
+   * Rotate the mouse scroll wheel.
+   *
+   * @param wheelAmt number of steps to rotate mouse wheel.  negative
+   * to rotate wheel up (away from the user), positive to rotate wheel
+   * down (toward the user).
+   *
+   * @since 1.4
+   */
+  public void mouseWheel (int wheelAmt)
+  {
+    peer.mouseWheel (wheelAmt);
+
+    if (waitForIdle)
+      waitForIdle ();
+
+    if (autoDelay > 0)
+      delay (autoDelay);
+  }
+
+  /**
+   * Press a key.
+   *
+   * @param keycode key to press, a {@link java.awt.event.KeyEvent} VK_ constant
+   *
+   * @exception IllegalArgumentException if keycode is not a valid key
+   */
+  public void keyPress (int keycode)
+  {
+    peer.keyPress (keycode);
+
+    if (waitForIdle)
+      waitForIdle ();
+
+    if (autoDelay > 0)
+      delay (autoDelay);
+  }
+
+  /**
+   * Release a key.
+   *
+   * @param keycode key to release, a {@link java.awt.event.KeyEvent} VK_
+   *                constant
+   *
+   * @exception IllegalArgumentException if keycode is not a valid key
+   */
+  public void keyRelease (int keycode)
+  {
+    peer.keyRelease (keycode);
+
+    if (waitForIdle)
+      waitForIdle ();
+
+    if (autoDelay > 0)
+      delay (autoDelay);
+  }
+
+  /**
+   * Return the color of the pixel at the given screen coordinates.
+   *
+   * @param x the x coordinate of the pixel
+   * @param y the y coordinate of the pixel
+   *
+   * @return the Color of the pixel at screen coodinates <code>(x, y)</code>
+   */
+  public Color getPixelColor (int x, int y)
+  {
+    return new Color (peer.getRGBPixel (x, y));
+  }
+
+  /**
+   * Create an image containing pixels read from the screen.  The
+   * image does not include the mouse pointer.
+   *
+   * @param screenRect the rectangle of pixels to capture, in screen
+   * coordinates
+   *
+   * @return a BufferedImage containing the requested pixels
+   *
+   * @exception IllegalArgumentException if requested width and height
+   * are not both greater than zero
+   * @exception SecurityException if readDisplayPixels permission is
+   * not granted
+   */
+  public BufferedImage createScreenCapture (Rectangle screenRect)
+  {
+    if (screenRect.width <= 0)
+      throw new IllegalArgumentException ("Robot: capture width is <= 0");
+
+    if (screenRect.height <= 0)
+      throw new IllegalArgumentException ("Robot: capture height is <= 0");
+
+    SecurityManager sm = System.getSecurityManager ();
+    if (sm != null)
+      sm.checkPermission (new AWTPermission ("readDisplayPixels"));
+
+    int[] pixels = peer.getRGBPixels (screenRect);
+
+    BufferedImage bufferedImage =
+      new BufferedImage (screenRect.width, screenRect.height,
+                         BufferedImage.TYPE_INT_ARGB);
+
+    bufferedImage.setRGB (0, 0, screenRect.width, screenRect.height,
+                          pixels, 0, screenRect.width);
+
+    return bufferedImage;
+  }
+
+  /**
+   * Check if this Robot automatically calls {@link #waitForIdle()} after
+   * generating an event.
+   *
+   * @return true if waitForIdle is automatically called
+   */
+  public boolean isAutoWaitForIdle ()
+  {
+    return waitForIdle;
+  }
+
+  /**
+   * Set whether or not this Robot automatically calls {@link
+   * #waitForIdle()} after generating an event.
+   *
+   * @param isOn true if waitForIdle should be called automatically
+   */
+  public void setAutoWaitForIdle (boolean isOn)
+  {
+    waitForIdle = isOn;
+  }
+
+  /**
+   * Retrieve the length of time this Robot sleeps after generating an
+   * event.
+   *
+   * @return the length of time in milliseconds
+   */
+  public int getAutoDelay ()
+  {
+    return autoDelay;
+  }
+
+  /**
+   * Set the length of time this Robot sleeps after generating an
+   * event.
+   *
+   * @param ms the length of time in milliseconds
+   *
+   * @exception IllegalArgumentException if ms is not between 0 and
+   * 60,000 milliseconds inclusive
+   */
+  public void setAutoDelay (int ms)
+  {
+    if (ms <= 0 || ms >= 60000)
+      throw new IllegalArgumentException ("Robot: delay length out-of-bounds");
+
+    autoDelay = ms;
+  }
+
+  /**
+   * Sleep for a specified length of time.
+   *
+   * @param ms the length of time in milliseconds
+   *
+   * @exception IllegalArgumentException if ms is not between 0 and
+   * 60,000 milliseconds inclusive
+   */
+  public void delay (int ms)
+  {
+    if (ms < 0 || ms > 60000)
+      throw new IllegalArgumentException ("Robot: delay length out-of-bounds");
+
+    try
+      {
+        Thread.sleep (ms);
+      }
+    catch (InterruptedException e)
+      {
+        System.err.println ("Robot: delay interrupted");
+      }
+  }
+
+  /**
+   * Wait until all events currently on the event queue have been
+   * dispatched.
+   */
+  public void waitForIdle ()
+  {
+    if (EventQueue.isDispatchThread ())
+      throw new IllegalThreadStateException ("Robot: waitForIdle called from "
+                                             + "the event dispatch thread");
+
+    try
+      {
+        EventQueue.invokeAndWait (new Runnable () { public void run () { } });
+      }
+    catch (InterruptedException e)
+      {
+        System.err.println ("Robot: waitForIdle interrupted");
+      }
+    catch (InvocationTargetException e)
+      {
+        System.err.println ("Robot: waitForIdle cannot invoke target");
+      }
+  }
+
+  /**
+   * Return a string representation of this Robot.
+   *
+   * @return a string representation
+   */
+  public String toString ()
+  {
+    return getClass ().getName ()
+        + "[ autoDelay = " + autoDelay + ", autoWaitForIdle = "
+        + waitForIdle + " ]";
+  }
+}