2 * \file InsetMathSymbol.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathSymbol.h"
14 #include "Dimension.h"
15 #include "MathStream.h"
16 #include "MathStream.h"
17 #include "MathSupport.h"
18 #include "MathParser.h"
20 #include "LaTeXFeatures.h"
24 #include "support/textutils.h"
29 InsetMathSymbol::InsetMathSymbol(latexkeys const * l)
30 : sym_(l), h_(0), scriptable_(false)
34 InsetMathSymbol::InsetMathSymbol(char const * name)
35 : sym_(in_word_set(from_ascii(name))), h_(0), scriptable_(false)
39 InsetMathSymbol::InsetMathSymbol(docstring const & name)
40 : sym_(in_word_set(name)), h_(0), scriptable_(false)
44 Inset * InsetMathSymbol::clone() const
46 return new InsetMathSymbol(*this);
50 docstring InsetMathSymbol::name() const
56 bool InsetMathSymbol::metrics(MetricsInfo & mi, Dimension & dim) const
58 //lyxerr << "metrics: symbol: '" << sym_->name
59 // << "' in font: '" << sym_->inset
60 // << "' drawn as: '" << sym_->draw
61 // << "'" << std::endl;
63 int const em = mathed_char_width(mi.base.font, 'M');
64 FontSetChanger dummy(mi.base, sym_->inset);
65 mathed_string_dim(mi.base.font, sym_->draw, dim);
66 docstring::const_reverse_iterator rit = sym_->draw.rbegin();
67 kerning_ = mathed_char_kerning(mi.base.font, *rit);
68 // correct height for broken cmex and wasy font
69 if (sym_->inset == "cmex" || sym_->inset == "wasy") {
74 // seperate things a bit
76 dim.wid += static_cast<int>(0.5 * em + 0.5);
78 dim.wid += static_cast<int>(0.1667 * em + 0.5);
81 if (mi.base.style == LM_ST_DISPLAY)
82 if (sym_->inset == "cmex" || sym_->inset == "esint" ||
83 sym_->extra == "funclim")
94 void InsetMathSymbol::draw(PainterInfo & pi, int x, int y) const
96 //lyxerr << "metrics: symbol: '" << sym_->name
97 // << "' in font: '" << sym_->inset
98 // << "' drawn as: '" << sym_->draw
99 // << "'" << std::endl;
100 int const em = mathed_char_width(pi.base.font, 'M');
102 x += static_cast<int>(0.25*em+0.5);
104 x += static_cast<int>(0.0833*em+0.5);
106 FontSetChanger dummy(pi.base, sym_->inset.c_str());
107 pi.draw(x, y - h_, sym_->draw);
111 bool InsetMathSymbol::isRelOp() const
113 return sym_->extra == "mathrel";
117 bool InsetMathSymbol::isOrdAlpha() const
119 return sym_->extra == "mathord" || sym_->extra == "mathalpha";
123 bool InsetMathSymbol::isScriptable() const
129 bool InsetMathSymbol::takesLimits() const
132 sym_->inset == "cmex" ||
133 sym_->inset == "lyxboldsymb" ||
134 sym_->inset == "esint" ||
135 sym_->extra == "funclim";
139 void InsetMathSymbol::validate(LaTeXFeatures & features) const
141 if (!sym_->requires.empty())
142 features.require(to_utf8(sym_->requires));
146 void InsetMathSymbol::normalize(NormalStream & os) const
148 os << "[symbol " << name() << ']';
152 void InsetMathSymbol::maple(MapleStream & os) const
154 if (name() == "cdot")
156 else if (name() == "infty")
162 void InsetMathSymbol::maxima(MaximaStream & os) const
164 if (name() == "cdot")
166 else if (name() == "infty")
168 else if (name() == "pi")
175 void InsetMathSymbol::mathematica(MathematicaStream & os) const
177 if ( name() == "pi") { os << "Pi"; return;}
178 if ( name() == "infty") { os << "Infinity"; return;}
179 if ( name() == "cdot") { os << '*'; return;}
184 char const * MathMLtype(docstring const & s)
192 void InsetMathSymbol::mathmlize(MathStream & os) const
194 char const * type = MathMLtype(sym_->extra);
195 os << '<' << type << "> ";
196 if (sym_->xmlname == "x") // unknown so far
200 os << " </" << type << '>';
204 void InsetMathSymbol::octave(OctaveStream & os) const
206 if (name() == "cdot")
213 void InsetMathSymbol::write(WriteStream & os) const
215 os << '\\' << name();
217 // $,#, etc. In theory the restriction based on catcodes, but then
218 // we do not handle catcodes very well, let alone cat code changes,
219 // so being outside the alpha range is good enough.
220 if (name().size() == 1 && !isAlphaASCII(name()[0]))
223 os.pendingSpace(true);
227 void InsetMathSymbol::infoize2(odocstream & os) const
229 os << "Symbol: " << name();