2 * \file InsetMathDelim.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alejandro Aguilar Sierra
9 * Full author contact details are available in file CREDITS.
14 #include "InsetMathDelim.h"
17 #include "MathFactory.h"
18 #include "MathStream.h"
19 #include "MathSupport.h"
20 #include "MetricsInfo.h"
22 #include "LaTeXFeatures.h"
24 #include "support/docstring.h"
26 #include "frontends/FontMetrics.h"
34 static docstring convertDelimToLatexName(docstring const & name)
36 if (name.size() == 1) {
37 char_type const c = name[0];
38 if (c == '<' || c == '(' || c == '[' || c == '.'
39 || c == '>' || c == ')' || c == ']' || c == '/' || c == '|')
42 return '\\' + name + ' ';
46 InsetMathDelim::InsetMathDelim(Buffer * buf, docstring const & l,
48 : InsetMathNest(buf, 1), left_(l), right_(r), dw_(0)
52 InsetMathDelim::InsetMathDelim(Buffer * buf, docstring const & l, docstring const & r,
54 : InsetMathNest(buf, 1), left_(l), right_(r), dw_(0)
60 Inset * InsetMathDelim::clone() const
62 return new InsetMathDelim(*this);
66 void InsetMathDelim::validate(LaTeXFeatures & features) const
68 InsetMathNest::validate(features);
69 // The delimiters may be used without \left or \right as well.
70 // Therefore they are listed in lib/symbols, and if they have
71 // requirements, we need to add them here.
72 MathWordList const & words = mathedWordList();
73 MathWordList::const_iterator it = words.find(left_);
74 if (it != words.end())
76 string const req = it->second.requires;
78 features.require(req);
80 it = words.find(right_);
81 if (it != words.end())
83 string const req = it->second.requires;
85 features.require(req);
90 void InsetMathDelim::write(WriteStream & os) const
92 MathEnsurer ensurer(os);
93 os << "\\left" << convertDelimToLatexName(left_) << cell(0)
94 << "\\right" << convertDelimToLatexName(right_);
98 void InsetMathDelim::normalize(NormalStream & os) const
100 os << "[delim " << convertDelimToLatexName(left_) << ' '
101 << convertDelimToLatexName(right_) << ' ' << cell(0) << ']';
105 void InsetMathDelim::metrics(MetricsInfo & mi, Dimension & dim) const
108 cell(0).metrics(mi, dim0);
109 Dimension t = theFontMetrics(mi.base.font).dimension('I');
110 int h0 = (t.asc + t.des) / 2;
111 int a0 = max(dim0.asc, t.asc) - h0;
112 int d0 = max(dim0.des, t.des) + h0;
113 dw_ = dim0.height() / 5;
118 dim.wid = dim0.width() + 2 * dw_ + 8;
119 dim.asc = max(a0, d0) + h0;
120 dim.des = max(a0, d0) - h0;
124 void InsetMathDelim::draw(PainterInfo & pi, int x, int y) const
126 Dimension const dim = dimension(*pi.base.bv);
127 int const b = y - dim.asc;
128 cell(0).draw(pi, x + dw_ + 4, y);
129 mathed_draw_deco(pi, x + 4, b, dw_, dim.height(), left_);
130 mathed_draw_deco(pi, x + dim.width() - dw_ - 4,
131 b, dw_, dim.height(), right_);
132 setPosCache(pi, x, y);
136 bool InsetMathDelim::isParenthesis() const
138 return left_ == "(" && right_ == ")";
142 bool InsetMathDelim::isBrackets() const
144 return left_ == "[" && right_ == "]";
148 bool InsetMathDelim::isAbs() const
150 return left_ == "|" && right_ == "|";
154 void InsetMathDelim::maple(MapleStream & os) const
157 if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
158 os << "linalg[det](" << cell(0) << ')';
160 os << "abs(" << cell(0) << ')';
163 os << left_ << cell(0) << right_;
167 void InsetMathDelim::maxima(MaximaStream & os) const
170 if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
171 os << "determinant(" << cell(0) << ')';
173 os << "abs(" << cell(0) << ')';
176 os << left_ << cell(0) << right_;
180 void InsetMathDelim::mathematica(MathematicaStream & os) const
183 if (cell(0).size() == 1 && cell(0).front()->asMatrixInset())
184 os << "Det" << cell(0) << ']';
186 os << "Abs[" << cell(0) << ']';
189 os << left_ << cell(0) << right_;
193 void InsetMathDelim::mathmlize(MathStream & os) const
195 os << "<mo form='prefix' fence='true' stretchy='true' symmetric='true'>" << left_ << "</mo>"
196 << cell(0) << "<mo form='postfix' fence='true' stretchy='true' symmetric='true'>" << right_ << "</mo>";
200 void InsetMathDelim::htmlize(HtmlStream & os) const
202 os << left_ << cell(0) << right_;
206 void InsetMathDelim::octave(OctaveStream & os) const
209 os << "det(" << cell(0) << ')';
211 os << left_ << cell(0) << right_;