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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33957 a592a061-630c-0410-9148-cb99ea01b6c8
187 lines
3.9 KiB
C++
187 lines
3.9 KiB
C++
/**
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* \file InsetMathDelim.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Alejandro Aguilar Sierra
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetMathDelim.h"
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#include "MathData.h"
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#include "MathStream.h"
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#include "MathSupport.h"
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#include "MetricsInfo.h"
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#include "support/docstring.h"
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#include "frontends/FontMetrics.h"
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using namespace std;
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namespace lyx {
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static docstring convertDelimToLatexName(docstring const & name)
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{
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if (name.size() == 1) {
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char_type const c = name[0];
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if (c == '<' || c == '(' || c == '[' || c == '.'
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|| c == '>' || c == ')' || c == ']' || c == '/' || c == '|')
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return name;
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}
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return '\\' + name + ' ';
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}
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InsetMathDelim::InsetMathDelim(Buffer * buf, docstring const & l,
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docstring const & r)
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: InsetMathNest(buf, 1), left_(l), right_(r)
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{}
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InsetMathDelim::InsetMathDelim(Buffer * buf, docstring const & l, docstring const & r,
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MathData const & ar)
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: InsetMathNest(buf, 1), left_(l), right_(r)
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{
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cell(0) = ar;
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}
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Inset * InsetMathDelim::clone() const
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{
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return new InsetMathDelim(*this);
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}
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void InsetMathDelim::write(WriteStream & os) const
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{
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MathEnsurer ensurer(os);
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os << "\\left" << convertDelimToLatexName(left_) << cell(0)
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<< "\\right" << convertDelimToLatexName(right_);
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}
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void InsetMathDelim::normalize(NormalStream & os) const
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{
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os << "[delim " << convertDelimToLatexName(left_) << ' '
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<< convertDelimToLatexName(right_) << ' ' << cell(0) << ']';
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}
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void InsetMathDelim::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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Dimension dim0;
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cell(0).metrics(mi, dim0);
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Dimension t = theFontMetrics(mi.base.font).dimension('I');
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int h0 = (t.asc + t.des) / 2;
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int a0 = max(dim0.asc, t.asc) - h0;
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int d0 = max(dim0.des, t.des) + h0;
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dw_ = dim0.height() / 5;
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if (dw_ > 8)
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dw_ = 8;
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if (dw_ < 4)
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dw_ = 4;
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dim.wid = dim0.width() + 2 * dw_ + 8;
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dim.asc = max(a0, d0) + h0;
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dim.des = max(a0, d0) - h0;
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}
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void InsetMathDelim::draw(PainterInfo & pi, int x, int y) const
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{
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Dimension const dim = dimension(*pi.base.bv);
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int const b = y - dim.asc;
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cell(0).draw(pi, x + dw_ + 4, y);
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mathed_draw_deco(pi, x + 4, b, dw_, dim.height(), left_);
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mathed_draw_deco(pi, x + dim.width() - dw_ - 4,
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b, dw_, dim.height(), right_);
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setPosCache(pi, x, y);
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}
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bool InsetMathDelim::isParenthesis() const
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{
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return left_ == "(" && right_ == ")";
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}
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bool InsetMathDelim::isBrackets() const
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{
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return left_ == "[" && right_ == "]";
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}
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bool InsetMathDelim::isAbs() const
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{
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return left_ == "|" && right_ == "|";
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}
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void InsetMathDelim::maple(MapleStream & os) const
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{
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if (isAbs()) {
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if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
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os << "linalg[det](" << cell(0) << ')';
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else
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os << "abs(" << cell(0) << ')';
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}
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else
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os << left_ << cell(0) << right_;
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}
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void InsetMathDelim::maxima(MaximaStream & os) const
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{
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if (isAbs()) {
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if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
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os << "determinant(" << cell(0) << ')';
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else
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os << "abs(" << cell(0) << ')';
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}
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else
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os << left_ << cell(0) << right_;
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}
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void InsetMathDelim::mathematica(MathematicaStream & os) const
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{
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if (isAbs()) {
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if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
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os << "Det" << cell(0) << ']';
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else
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os << "Abs[" << cell(0) << ']';
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}
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else
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os << left_ << cell(0) << right_;
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}
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void InsetMathDelim::mathmlize(MathStream & os) const
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{
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os << "<mo form='prefix' fence='true' stretchy='true' symmetric='true'>" << left_ << "</mo>"
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<< cell(0) << "<mo form='postfix' fence='true' stretchy='true' symmetric='true'>" << right_ << "</mo>";
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}
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void InsetMathDelim::htmlize(HtmlStream & os) const
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{
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os << left_ << cell(0) << right_;
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}
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void InsetMathDelim::octave(OctaveStream & os) const
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{
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if (isAbs())
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os << "det(" << cell(0) << ')';
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else
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os << left_ << cell(0) << right_;
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}
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} // namespace lyx
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