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Mozilla/mozilla/layout/mathml/base/src/nsMathMLmsubsupFrame.h

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/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla MathML Project.
*
* The Initial Developer of the Original Code is The University Of
* Queensland. Portions created by The University Of Queensland are
* Copyright (C) 1999 The University Of Queensland. All Rights Reserved.
*
* Contributor(s):
* Roger B. Sidje <rbs@maths.uq.edu.au>
* David J. Fiddes <D.J.Fiddes@hw.ac.uk>
* Shyjan Mahamud <mahamud@cs.cmu.edu> (added TeX rendering rules)
*/
#ifndef nsMathMLmsubsupFrame_h___
#define nsMathMLmsubsupFrame_h___
#include "nsCOMPtr.h"
#include "nsMathMLContainerFrame.h"
//
// <msubsup> -- attach a subscript-superscript pair to a base
//
class nsMathMLmsubsupFrame : public nsMathMLContainerFrame {
public:
friend nsresult NS_NewMathMLmsubsupFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
NS_IMETHOD
TransmitAutomaticData(nsIPresContext* aPresContext);
NS_IMETHOD
Place(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
PRBool aPlaceOrigin,
nsHTMLReflowMetrics& aDesiredSize);
static nsresult
PlaceSubSupScript(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
PRBool aPlaceOrigin,
nsHTMLReflowMetrics& aDesiredSize,
nsIFrame* aForFrame,
nscoord aUserSubScriptShift = 0,
nscoord aUserSupScriptShift = 0,
nscoord aScriptSpace = NSFloatPointsToTwips(0.5f));
protected:
nsMathMLmsubsupFrame();
virtual ~nsMathMLmsubsupFrame();
virtual PRIntn GetSkipSides() const { return 0; }
};
#endif /* nsMathMLmsubsupFrame_h___ */