Use WebWidget from the WebKit API. This change also makes...

webkit/api/public/WebWidget.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
- * 
+ *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebWidget_h
 #define WebWidget_h
 
-#error "This header file is still a work in progress; do not include!"
-
+#include "WebCanvas.h"
 #include "WebCommon.h"
+#include "WebCompositionCommand.h"
 #include "WebTextDirection.h"
 
 namespace WebKit {
+    class WebInputEvent;
+    class WebString;
+    struct WebRect;
+    struct WebSize;
 
     class WebWidget {
     public:
         // This method closes and deletes the WebWidget.
         virtual void close() = 0;
 
         // Returns the current size of the WebWidget.
         virtual WebSize size() = 0;
 
         // Called to resize the WebWidget.
         virtual void resize(const WebSize&) = 0;
 
         // Called to layout the WebWidget.  This MUST be called before Paint,
         // and it may result in calls to WebWidgetClient::didInvalidateRect.
         virtual void layout() = 0;
 
         // Called to paint the specified region of the WebWidget onto the given
         // canvas.  You MUST call Layout before calling this method.  It is
         // okay to call paint multiple times once layout has been called,
         // assuming no other changes are made to the WebWidget (e.g., once
         // events are processed, it should be assumed that another call to
         // layout is warranted before painting again).
         virtual void paint(WebCanvas*, const WebRect&) = 0;
 
         // Called to inform the WebWidget of an input event.  Returns true if
         // the event has been processed, false otherwise.
-        virtual void handleInputEvent(const WebInputEvent&) = 0;
+        virtual bool handleInputEvent(const WebInputEvent&) = 0;
 
         // Called to inform the WebWidget that mouse capture was lost.
         virtual void mouseCaptureLost() = 0;
 
         // Called to inform the WebWidget that it has gained or lost keyboard focus.
         virtual void setFocus(bool) = 0;
 
         // Called to inform the WebWidget of a composition event.
         virtual bool handleCompositionEvent(WebCompositionCommand command,
                                             int cursorPosition,
                                             int targetStart,
                                             int targetEnd,
                                             const WebString& text) = 0;
 
         // Retrieve the status of this WebWidget required by IME APIs.  Upon
         // success enabled and caretBounds are set.
         virtual bool queryCompositionStatus(bool* enabled, WebRect* caretBounds) = 0;
 
         // Changes the text direction of the selected input node.
         virtual void setTextDirection(WebTextDirection) = 0;
     };
 
 } // namespace WebKit
 
 #endif