mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-10 20:04:46 +00:00
3d4f76cf2d
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37288 a592a061-630c-0410-9148-cb99ea01b6c8
120 lines
2.6 KiB
C++
120 lines
2.6 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.addPreambleSnippet("<style type=\"text/css\">\n"
|
|
"span.overset{display: inline-block; vertical-align: bottom; text-align:center;}\n"
|
|
"span.overset span {display: block;}\n"
|
|
"span.top{font-size: 66%;}\n"
|
|
"</style>");
|
|
|
|
InsetMathNest::validate(features);
|
|
}
|
|
|
|
|
|
} // namespace lyx
|