/** * \file InsetMathSymbol.C * 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 #include "InsetMathSymbol.h" #include "dimension.h" #include "MathMLStream.h" #include "MathStream.h" #include "MathSupport.h" #include "MathParser.h" #include "MathAtom.h" #include "LaTeXFeatures.h" #include "debug.h" namespace lyx { using std::string; using std::auto_ptr; InsetMathSymbol::InsetMathSymbol(latexkeys const * l) : sym_(l), h_(0), width_(0), scriptable_(false) {} InsetMathSymbol::InsetMathSymbol(char const * name) : sym_(in_word_set(name)), h_(0), width_(0), scriptable_(false) {} InsetMathSymbol::InsetMathSymbol(string const & name) : sym_(in_word_set(name.c_str())), h_(0), width_(0), scriptable_(false) {} auto_ptr InsetMathSymbol::doClone() const { return auto_ptr(new InsetMathSymbol(*this)); } string InsetMathSymbol::name() const { return sym_->name; } void InsetMathSymbol::metrics(MetricsInfo & mi, Dimension & dim) const { //lyxerr << "metrics: symbol: '" << sym_->name // << "' in font: '" << sym_->inset // << "' drawn as: '" << sym_->draw // << "'" << std::endl; int const em = mathed_char_width(mi.base.font, 'M'); FontSetChanger dummy(mi.base, sym_->inset.c_str()); // FIXME UNICODE mathed_string_dim(mi.base.font, from_utf8(sym_->draw), dim); // correct height for broken cmex and wasy font #if defined(__APPLE__) && defined(__GNUC__) if (sym_->inset == "cmex") { h_ = 4 * dim.des / 5; dim.asc += 0*h_; dim.des -= h_; h_ = dim.asc; } else if (sym_->inset == "wasy") { h_ = 4 * dim.des / 5; dim.asc += h_; dim.des -= h_; } #else if (sym_->inset == "cmex" || sym_->inset == "wasy") { h_ = 4 * dim.des / 5; dim.asc += h_; dim.des -= h_; } #endif // seperate things a bit if (isRelOp()) dim.wid += static_cast(0.5 * em + 0.5); else dim.wid += static_cast(0.1667 * em + 0.5); scriptable_ = false; if (mi.base.style == LM_ST_DISPLAY) if (sym_->inset == "cmex" || sym_->extra == "funclim") scriptable_ = true; width_ = dim.wid; } void InsetMathSymbol::draw(PainterInfo & pi, int x, int y) const { //lyxerr << "metrics: symbol: '" << sym_->name // << "' in font: '" << sym_->inset // << "' drawn as: '" << sym_->draw // << "'" << std::endl; int const em = mathed_char_width(pi.base.font, 'M'); if (isRelOp()) x += static_cast(0.25*em+0.5); else x += static_cast(0.0833*em+0.5); FontSetChanger dummy(pi.base, sym_->inset.c_str()); // FIXME UNICODE pi.draw(x, y - h_, from_utf8(sym_->draw)); } bool InsetMathSymbol::isRelOp() const { return sym_->extra == "mathrel"; } bool InsetMathSymbol::isScriptable() const { return scriptable_; } bool InsetMathSymbol::takesLimits() const { return sym_->inset == "cmex" || sym_->inset == "lyxboldsymb" || sym_->extra == "funclim"; } void InsetMathSymbol::validate(LaTeXFeatures & features) const { if (!sym_->requires.empty()) features.require(sym_->requires); } void InsetMathSymbol::normalize(NormalStream & os) const { os << "[symbol " << name() << ']'; } void InsetMathSymbol::maple(MapleStream & os) const { if (name() == "cdot") os << '*'; else if (name() == "infty") os << "infinity"; else os << name(); } void InsetMathSymbol::maxima(MaximaStream & os) const { if (name() == "cdot") os << '*'; else if (name() == "infty") os << "inf"; else if (name() == "pi") os << "%pi"; else os << name(); } void InsetMathSymbol::mathematica(MathematicaStream & os) const { if ( name() == "pi") { os << "Pi"; return;} if ( name() == "infty") { os << "Infinity"; return;} if ( name() == "cdot") { os << '*'; return;} os << name(); } char const * MathMLtype(string const & s) { if (s == "mathop") return "mo"; return "mi"; } void InsetMathSymbol::mathmlize(MathMLStream & os) const { char const * type = MathMLtype(sym_->extra); os << '<' << type << "> "; if (sym_->xmlname == "x") // unknown so far os << name(); else os << sym_->xmlname; os << " '; } void InsetMathSymbol::octave(OctaveStream & os) const { if (name() == "cdot") os << '*'; else os << name(); } void InsetMathSymbol::write(WriteStream & os) const { os << '\\' << name(); os.pendingSpace(true); } void InsetMathSymbol::infoize2(std::ostream & os) const { os << "Symbol: " << name(); } } // namespace lyx