gecko-dev/layout/mathml/nsMathMLmsqrtFrame.cpp

53 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsMathMLmsqrtFrame.h"
#include "mozilla/PresShell.h"
#include "mozilla/gfx/2D.h"
//
// <msqrt> -- form a radical - implementation
//
using namespace mozilla;
nsIFrame* NS_NewMathMLmsqrtFrame(PresShell* aPresShell, ComputedStyle* aStyle) {
return new (aPresShell)
nsMathMLmsqrtFrame(aStyle, aPresShell->GetPresContext());
}
NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmsqrtFrame)
nsMathMLmsqrtFrame::nsMathMLmsqrtFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsMathMLmencloseFrame(aStyle, aPresContext, kClassID) {}
nsMathMLmsqrtFrame::~nsMathMLmsqrtFrame() {}
void nsMathMLmsqrtFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) {
nsMathMLContainerFrame::Init(aContent, aParent, aPrevInFlow);
AllocateMathMLChar(NOTATION_RADICAL);
mNotationsToDraw += NOTATION_RADICAL;
}
NS_IMETHODIMP
nsMathMLmsqrtFrame::InheritAutomaticData(nsIFrame* aParent) {
nsMathMLContainerFrame::InheritAutomaticData(aParent);
mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY;
return NS_OK;
}
nsresult nsMathMLmsqrtFrame::AttributeChanged(int32_t aNameSpaceID,
nsAtom* aAttribute,
int32_t aModType) {
return nsMathMLContainerFrame::AttributeChanged(aNameSpaceID, aAttribute,
aModType);
}