mirror of
https://git.lyx.org/repos/lyx.git
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174 lines
3.1 KiB
C++
174 lines
3.1 KiB
C++
/**
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* \file InsetMathCancel.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Uwe Stöhr
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetMathCancel.h"
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#include "MathStream.h"
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#include "LaTeXFeatures.h"
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#include "MetricsInfo.h"
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#include "frontends/Painter.h"
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#include <ostream>
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namespace lyx {
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InsetMathCancel::InsetMathCancel(Buffer * buf, Kind k)
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: InsetMathNest(buf, 1), kind_(k)
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{}
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Inset * InsetMathCancel::clone() const
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{
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return new InsetMathCancel(*this);
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}
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void InsetMathCancel::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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cell(0).metrics(mi, dim);
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metricsMarkers(dim);
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}
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void InsetMathCancel::draw(PainterInfo & pi, int x, int y) const
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{
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// We first draw the text and then an arrow
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ColorCode const origcol = pi.base.font.color();
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cell(0).draw(pi, x + 1, y);
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Dimension const dim = dimension(*pi.base.bv);
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/*
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* y1 \ /
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* \ /
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* \/
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* /\
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* / \
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* y2 / \
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* x1 x2
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*/
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int const x2 = x + dim.wid;
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int const x1 = x;
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int const y1 = y - dim.asc;
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int const y2 = y + dim.des;
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if (kind_ == cancel)
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pi.pain.line(x2, y1, x1, y2, origcol);
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else if (kind_ == bcancel)
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pi.pain.line(x2, y2, x1, y1, origcol);
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else if (kind_ == xcancel) {
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pi.pain.line(x2, y1, x1, y2, origcol);
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pi.pain.line(x2, y2, x1, y1, origcol);
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}
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drawMarkers(pi, x, y);
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}
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void InsetMathCancel::write(WriteStream & os) const
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{
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MathEnsurer ensurer(os);
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switch (kind_) {
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case cancel:
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os << "\\cancel{";
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break;
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case bcancel:
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os << "\\bcancel{";
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break;
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case xcancel:
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os << "\\xcancel{";
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break;
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}
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os << cell(0) << '}';
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}
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void InsetMathCancel::normalize(NormalStream & os) const
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{
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switch (kind_) {
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case cancel:
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os << "[cancel ";
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break;
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case bcancel:
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os << "[bcancel ";
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break;
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case xcancel:
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os << "[xcancel ";
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break;
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}
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os << cell(0) << ']';
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}
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void InsetMathCancel::infoize(odocstream & os) const
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{
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switch (kind_) {
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case cancel:
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os << "Cancel";
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break;
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case bcancel:
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os << "Bcancel";
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break;
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case xcancel:
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os << "Xcancel";
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break;
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}
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}
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// unfortunately, we do not have many options here, so we have to treat
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// them all the same way.
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void InsetMathCancel::htmlize(HtmlStream & os) const
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{
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os << MTag("span", "style='text-decoration: line-through;'")
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<< cell(0)
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<< ETag("span");
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}
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void InsetMathCancel::mathmlize(MathStream & os) const
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{
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switch (kind_) {
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case cancel:
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os << MTag("menclose", "notation='updiagonalstrike'")
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<< cell(0)
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<< ETag("menclose");
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break;
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case bcancel:
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os << MTag("menclose", "notation='downdiagonalstrike'")
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<< cell(0)
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<< ETag("menclose");
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break;
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case xcancel:
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os << MTag("menclose", "notation='updiagonalstrike'")
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<< MTag("menclose", "notation='downdiagonalstrike'")
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<< cell(0)
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<< ETag("menclose")
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<< ETag("menclose");
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break;
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}
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}
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void InsetMathCancel::validate(LaTeXFeatures & features) const
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{
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InsetMathNest::validate(features);
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if (features.runparams().isLaTeX())
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features.require("cancel");
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InsetMathNest::validate(features);
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}
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} // namespace lyx
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