lyx_mirror/src/mathed/InsetMathOverset.cpp
Richard Heck 38b9a4530e New methods in LaTeXFeatures specifically for collection of CSS
information on XHTML output.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40407 a592a061-630c-0410-9148-cb99ea01b6c8
2011-12-06 22:17:13 +00:00

119 lines
2.5 KiB
C++

/**
* \file InsetMathOverset.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetMathOverset.h"
#include "MathData.h"
#include "MathStream.h"
#include "Cursor.h"
#include "LaTeXFeatures.h"
using namespace std;
namespace lyx {
Inset * InsetMathOverset::clone() const
{
return new InsetMathOverset(*this);
}
void InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim1;
cell(1).metrics(mi, dim1);
FracChanger dummy(mi.base);
Dimension dim0;
cell(0).metrics(mi, dim0);
dim.wid = max(dim0.width(), dim1.wid) + 4;
dim.asc = dim1.asc + dim0.height() + 4;
dim.des = dim1.des;
metricsMarkers(dim);
}
void InsetMathOverset::draw(PainterInfo & pi, int x, int y) const
{
Dimension const dim = dimension(*pi.base.bv);
Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.wid / 2;
int yo = y - dim1.asc - dim0.des - 1;
cell(1).draw(pi, m - dim1.wid / 2, y);
FracChanger dummy(pi.base);
cell(0).draw(pi, m - dim0.width() / 2, yo);
drawMarkers(pi, x, y);
}
bool InsetMathOverset::idxFirst(Cursor & cur) const
{
cur.idx() = 1;
cur.pos() = 0;
return true;
}
bool InsetMathOverset::idxLast(Cursor & cur) const
{
cur.idx() = 1;
cur.pos() = cur.lastpos();
return true;
}
void InsetMathOverset::write(WriteStream & os) const
{
MathEnsurer ensurer(os);
if (os.fragile())
os << "\\protect";
os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
}
void InsetMathOverset::normalize(NormalStream & os) const
{
os << "[overset " << cell(0) << ' ' << cell(1) << ']';
}
void InsetMathOverset::mathmlize(MathStream & ms) const
{
ms << "<mover accent='false'>" << cell(1) << cell(0) << "</mover>";
}
void InsetMathOverset::htmlize(HtmlStream & os) const
{
os << MTag("span", "class='overset'")
<< MTag("span", "class='top'") << cell(0) << ETag("span")
<< MTag("span") << cell(1) << ETag("span")
<< ETag("span");
}
void InsetMathOverset::validate(LaTeXFeatures & features) const
{
if (features.runparams().isLaTeX())
features.require("amsmath");
else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
features.addCSSSnippet(
"span.overset{display: inline-block; vertical-align: bottom; text-align:center;}\n"
"span.overset span {display: block;}\n"
"span.top{font-size: 66%;}");
InsetMathNest::validate(features);
}
} // namespace lyx