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Source/WebKit/chromium/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
@@ skipping 22 matching lines @@
 
 #include "WebCanvas.h"
 #include "WebCommon.h"
 #include "WebCompositionUnderline.h"
 #include "WebTextInputType.h"
 #include "WebTextDirection.h"
 
 namespace WebKit {
 
 class WebInputEvent;
+class WebRange;
 class WebString;
 struct WebRect;
 struct WebSize;
 template <typename T> class WebVector;
 
 class WebWidget {
 public:
     // This method closes and deletes the WebWidget.
     virtual void close() = 0;
 
@@ skipping 59 matching lines @@
     virtual bool confirmComposition() = 0;
 
     // Called to inform the WebWidget to confirm an ongoing composition with a
     // new composition text. If the text is empty then the current composition
     // text is confirmed. If there is no ongoing composition, then deletes the
     // current selection and inserts the text. This method has no effect if
     // there is no ongoing composition and the text is empty.
     // Returns true if there is an ongoing composition or the text is inserted.
     virtual bool confirmComposition(const WebString& text) = 0;
 
+    // Returns the character range of the current composition. This is also
+    // referred to as the marked range.
+    virtual bool compositionRange(unsigned* location, unsigned* length) = 0;
+
     // Returns the current text input type of this WebWidget.
     virtual WebTextInputType textInputType() = 0;
 
     // Returns the current caret bounds of this WebWidget. The selection bounds
     // will be returned if a selection range is available.
     virtual WebRect caretOrSelectionBounds() = 0;
 
+    // Returns the current selection range of this WebWidget. If there is no
+    // selection, it will return a 0-length range with the location at the
+    // caret.
+    virtual bool caretOrSelectionRange(unsigned* location, unsigned* length) = 0;
+
     // Changes the text direction of the selected input node.
     virtual void setTextDirection(WebTextDirection) = 0;
 
     // Returns true if the WebWidget uses GPU accelerated compositing
     // to render its contents.
     virtual bool isAcceleratedCompositingActive() const = 0;
 
 protected:
     ~WebWidget() { }
 };
 
 } // namespace WebKit
 
 #endif