lyx_mirror/src/mathed/math_oversetinset.C
André Pönitz ccc5d55764 Part of IU.
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          1.4.0cvs is now NOT fit for any serious use

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8363 a592a061-630c-0410-9148-cb99ea01b6c8
2004-01-20 14:25:24 +00:00

76 lines
1.5 KiB
C

/**
* \file math_oversetinset.C
* 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 "math_oversetinset.h"
#include "math_data.h"
#include "math_mathmlstream.h"
#include "cursor.h"
using std::max;
using std::auto_ptr;
auto_ptr<InsetBase> MathOversetInset::clone() const
{
return auto_ptr<InsetBase>(new MathOversetInset(*this));
}
void MathOversetInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(1).metrics(mi);
FracChanger dummy(mi.base);
cell(0).metrics(mi);
dim_.wid = max(cell(0).width(), cell(1).width()) + 4;
dim_.asc = cell(1).ascent() + cell(0).height() + 4;
dim_.des = cell(1).descent();
dim = dim_;
}
void MathOversetInset::draw(PainterInfo & pi, int x, int y) const
{
int m = x + pi.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);
}
bool MathOversetInset::idxFirst(LCursor & cur) const
{
cur.idx() = 1;
cur.pos() = 0;
return true;
}
bool MathOversetInset::idxLast(LCursor & cur) const
{
cur.idx() = 1;
cur.pos() = cur.lastpos();
return true;
}
void MathOversetInset::write(WriteStream & os) const
{
os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
}
void MathOversetInset::normalize(NormalStream & os) const
{
os << "[overset " << cell(0) << ' ' << cell(1) << ']';
}