mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-13 14:32:04 +00:00
f1cba8ff64
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27425 a592a061-630c-0410-9148-cb99ea01b6c8
106 lines
2.2 KiB
C++
106 lines
2.2 KiB
C++
/**
|
|
* \file InsetMathUnderset.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 "InsetMathUnderset.h"
|
|
#include "MathData.h"
|
|
#include "MathStream.h"
|
|
|
|
#include "Cursor.h"
|
|
#include "LaTeXFeatures.h"
|
|
|
|
using namespace std;
|
|
|
|
namespace lyx {
|
|
|
|
Inset * InsetMathUnderset::clone() const
|
|
{
|
|
return new InsetMathUnderset(*this);
|
|
}
|
|
|
|
|
|
void InsetMathUnderset::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.width()) + 4;
|
|
dim.asc = dim1.ascent();
|
|
dim.des = dim1.descent() + dim0.height() + 4;
|
|
metricsMarkers(dim);
|
|
}
|
|
|
|
|
|
void InsetMathUnderset::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.descent() + dim0.ascent() + 1;
|
|
cell(1).draw(pi, m - dim1.width() / 2, y);
|
|
FracChanger dummy(pi.base);
|
|
cell(0).draw(pi, m - dim0.width() / 2, yo);
|
|
drawMarkers(pi, x, y);
|
|
}
|
|
|
|
|
|
bool InsetMathUnderset::idxFirst(Cursor & cur) const
|
|
{
|
|
cur.idx() = 1;
|
|
cur.pos() = 0;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool InsetMathUnderset::idxLast(Cursor & cur) const
|
|
{
|
|
cur.idx() = 1;
|
|
cur.pos() = cur.lastpos();
|
|
return true;
|
|
}
|
|
|
|
|
|
bool InsetMathUnderset::idxUpDown(Cursor & cur, bool up) const
|
|
{
|
|
idx_type target = up; // up ? 1 : 0, since upper cell has idx 1
|
|
if (cur.idx() == target)
|
|
return false;
|
|
cur.idx() = target;
|
|
cur.pos() = cur.cell().x2pos(&cur.bv(), cur.x_target());
|
|
return true;
|
|
}
|
|
|
|
|
|
void InsetMathUnderset::write(WriteStream & os) const
|
|
{
|
|
MathEnsurer ensurer(os);
|
|
os << "\\underset{" << cell(0) << "}{" << cell(1) << '}';
|
|
}
|
|
|
|
|
|
void InsetMathUnderset::normalize(NormalStream & os) const
|
|
{
|
|
os << "[underset " << cell(0) << ' ' << cell(1) << ']';
|
|
}
|
|
|
|
|
|
void InsetMathUnderset::validate(LaTeXFeatures & features) const
|
|
{
|
|
features.require("amsmath");
|
|
InsetMathNest::validate(features);
|
|
}
|
|
|
|
|
|
} // namespace lyx
|