58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* -*- 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 nsMathMLmunderoverFrame_h___
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#define nsMathMLmunderoverFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsMathMLContainerFrame.h"
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//
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// <munderover> -- attach an underscript-overscript pair to a base
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//
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class nsMathMLmunderoverFrame : public nsMathMLContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsIFrame* NS_NewMathMLmunderoverFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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virtual nsresult
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Place(DrawTarget* aDrawTarget,
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bool aPlaceOrigin,
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ReflowOutput& aDesiredSize) override;
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NS_IMETHOD
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InheritAutomaticData(nsIFrame* aParent) override;
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NS_IMETHOD
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TransmitAutomaticData() override;
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NS_IMETHOD
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UpdatePresentationData(uint32_t aFlagsValues,
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uint32_t aFlagsToUpdate) override;
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virtual nsresult
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AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) override;
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uint8_t
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ScriptIncrement(nsIFrame* aFrame) override;
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protected:
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explicit nsMathMLmunderoverFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext),
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mIncrementUnder(false),
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mIncrementOver(false) {}
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virtual ~nsMathMLmunderoverFrame();
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private:
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bool mIncrementUnder;
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bool mIncrementOver;
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};
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#endif /* nsMathMLmunderoverFrame_h___ */
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