lyx_mirror/src/mathed/InsetMathStackrel.cpp
Abdelrazak Younes 137158532b Put mathed on a diet: transfer dimension cache from inset to BufferView.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20457 a592a061-630c-0410-9148-cb99ea01b6c8
2007-09-23 22:39:49 +00:00

69 lines
1.4 KiB
C++

/**
* \file InsetMathStackrel.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 "InsetMathStackrel.h"
#include "MathData.h"
#include "MathStream.h"
namespace lyx {
InsetMathStackrel::InsetMathStackrel()
{}
Inset * InsetMathStackrel::clone() const
{
return new InsetMathStackrel(*this);
}
void InsetMathStackrel::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(1).metrics(mi);
FracChanger dummy(mi.base);
cell(0).metrics(mi);
dim.wid = std::max(cell(0).width(), cell(1).width()) + 4;
dim.asc = cell(1).ascent() + cell(0).height() + 4;
dim.des = cell(1).descent();
metricsMarkers(dim);
// Cache the inset dimension.
setDimCache(mi, dim);
}
void InsetMathStackrel::draw(PainterInfo & pi, int x, int y) const
{
Dimension const dim = dimension(*pi.base.bv);
int m = x + dim.width() / 2;
int yo = y - cell(1).ascent() - cell(0).descent() - 1;
cell(1).draw(pi, m - cell(1).width() / 2, y);
FracChanger dummy(pi.base);
cell(0).draw(pi, m - cell(0).width() / 2, yo);
drawMarkers(pi, x, y);
}
void InsetMathStackrel::write(WriteStream & os) const
{
os << "\\stackrel{" << cell(0) << "}{" << cell(1) << '}';
}
void InsetMathStackrel::normalize(NormalStream & os) const
{
os << "[stackrel " << cell(0) << ' ' << cell(1) << ']';
}
} // namespace lyx