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72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsMathMLmrootFrame_h___
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#define nsMathMLmrootFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsMathMLContainerFrame.h"
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#include "nsMathMLChar.h"
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//
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// <msqrt> and <mroot> -- form a radical
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//
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class nsMathMLmrootFrame : public nsMathMLContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsIFrame* NS_NewMathMLmrootFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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virtual void
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SetAdditionalStyleContext(int32_t aIndex,
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nsStyleContext* aStyleContext) override;
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virtual nsStyleContext*
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GetAdditionalStyleContext(int32_t aIndex) const override;
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virtual void
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Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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NS_IMETHOD
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TransmitAutomaticData() override;
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virtual void
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Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) override;
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void
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GetRadicalXOffsets(nscoord aIndexWidth, nscoord aSqrWidth,
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nsFontMetrics* aFontMetrics,
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nscoord* aIndexOffset,
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nscoord* aSqrOffset);
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virtual void
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GetIntrinsicISizeMetrics(nsRenderingContext* aRenderingContext,
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nsHTMLReflowMetrics& aDesiredSize) override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) override;
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uint8_t
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ScriptIncrement(nsIFrame* aFrame) override
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{
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return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0;
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}
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protected:
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explicit nsMathMLmrootFrame(nsStyleContext* aContext);
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virtual ~nsMathMLmrootFrame();
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nsMathMLChar mSqrChar;
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nsRect mBarRect;
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};
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#endif /* nsMathMLmrootFrame_h___ */
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