lyx_mirror/src/mathed/math_deliminset.C

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/**
* \file math_deliminset.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author Andr<EFBFBD> P<EFBFBD>nitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "math_deliminset.h"
#include "math_data.h"
#include "math_mathmlstream.h"
#include "math_streamstr.h"
#include "math_support.h"
using std::string;
using std::max;
using std::auto_ptr;
namespace {
string convertDelimToLatexName(string const & name)
{
if (name == "<")
return name;
if (name == "(")
return name;
if (name == "[")
return name;
if (name == ".")
return name;
if (name == ">")
return name;
if (name == ")")
return name;
if (name == "]")
return name;
if (name == "/")
return name;
if (name == "|")
return name;
return '\\' + name + ' ';
}
}
MathDelimInset::MathDelimInset(string const & l, string const & r)
: MathNestInset(1), left_(l), right_(r)
{}
MathDelimInset::MathDelimInset
(string const & l, string const & r, MathArray const & ar)
: MathNestInset(1), left_(l), right_(r)
{
cell(0) = ar;
}
auto_ptr<InsetBase> MathDelimInset::clone() const
{
return auto_ptr<InsetBase>(new MathDelimInset(*this));
}
void MathDelimInset::write(WriteStream & os) const
{
os << "\\left" << convertDelimToLatexName(left_) << cell(0)
<< "\\right" << convertDelimToLatexName(right_);
}
void MathDelimInset::normalize(NormalStream & os) const
{
os << "[delim " << convertDelimToLatexName(left_) << ' '
<< convertDelimToLatexName(right_) << ' ' << cell(0) << ']';
}
void MathDelimInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(0).metrics(mi);
Dimension t;
mathed_char_dim(mi.base.font, 'I', t);
int h0 = (t.asc + t.des) / 2;
int a0 = max(cell(0).ascent(), t.asc) - h0;
int d0 = max(cell(0).descent(), t.des) + h0;
dw_ = cell(0).height() / 5;
if (dw_ > 8)
dw_ = 8;
if (dw_ < 4)
dw_ = 4;
dim_.wid = cell(0).width() + 2 * dw_ + 8;
dim_.asc = max(a0, d0) + h0;
dim_.des = max(a0, d0) - h0;
dim = dim_;
}
void MathDelimInset::draw(PainterInfo & pi, int x, int y) const
{
int const b = y - dim_.asc;
cell(0).draw(pi, x + dw_ + 4, y);
mathed_draw_deco(pi, x + 4, b, dw_, dim_.height(), left_);
mathed_draw_deco(pi, x + dim_.width() - dw_ - 4,
b, dw_, dim_.height(), right_);
}
bool MathDelimInset::isParanthesis() const
{
return left_ == "(" && right_ == ")";
}
bool MathDelimInset::isBrackets() const
{
return left_ == "[" && right_ == "]";
}
bool MathDelimInset::isAbs() const
{
return left_ == "|" && right_ == "|";
}
void MathDelimInset::maple(MapleStream & os) const
{
if (isAbs()) {
if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
os << "linalg[det](" << cell(0) << ')';
else
os << "abs(" << cell(0) << ')';
}
else
os << left_ << cell(0) << right_;
}
void MathDelimInset::maxima(MaximaStream & os) const
{
if (isAbs()) {
if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
os << "determinant(" << cell(0) << ')';
else
os << "abs(" << cell(0) << ')';
}
else
os << left_ << cell(0) << right_;
}
void MathDelimInset::mathematica(MathematicaStream & os) const
{
if (isAbs()) {
if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
os << "Det" << cell(0) << ']';
else
os << "Abs[" << cell(0) << ']';
}
else
os << left_ << cell(0) << right_;
}
void MathDelimInset::mathmlize(MathMLStream & os) const
{
os << "<fenced open=\"" << left_ << "\" close=\""
<< right_ << "\">" << cell(0) << "</fenced>";
}
void MathDelimInset::octave(OctaveStream & os) const
{
if (isAbs())
os << "det(" << cell(0) << ')';
else
os << left_ << cell(0) << right_;
}