+/**
+ * \file math_symbolinset.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 <config.h>
+
#include "math_symbolinset.h"
+#include "dimension.h"
+#include "math_mathmlstream.h"
+#include "math_streamstr.h"
+#include "math_support.h"
#include "math_parser.h"
-#include "support.h"
-#include "support/LOstream.h"
+#include "math_atom.h"
+#include "LaTeXFeatures.h"
+#include "debug.h"
-using std::ostream;
+using std::string;
+using std::auto_ptr;
-MathSymbolInset::MathSymbolInset(const latexkeys * l)
- : sym_(l), h_(0) {}
+MathSymbolInset::MathSymbolInset(latexkeys const * l)
+ : sym_(l), h_(0)
+{}
-MathInset * MathSymbolInset::clone() const
-{
- return new MathSymbolInset(*this);
-}
+
+MathSymbolInset::MathSymbolInset(char const * name)
+ : sym_(in_word_set(name)), h_(0)
+{}
-void MathSymbolInset::write(ostream & os, bool /* fragile */) const
+MathSymbolInset::MathSymbolInset(string const & name)
+ : sym_(in_word_set(name.c_str())), h_(0)
+{}
+
+
+auto_ptr<InsetBase> MathSymbolInset::doClone() const
{
- os << '\\' << sym_->name << ' ';
+ return auto_ptr<InsetBase>(new MathSymbolInset(*this));
}
-void MathSymbolInset::writeNormal(ostream & os) const
+string MathSymbolInset::name() const
{
- os << "[" << sym_->name << "] ";
+ return sym_->name;
}
-MathTextCodes MathSymbolInset::code() const
+void MathSymbolInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- switch(sym_->token) {
- case LM_TK_CMSY:
- return LM_TC_CMSY;
- case LM_TK_CMM:
- return LM_TC_CMM;
- case LM_TK_CMEX:
- return LM_TC_CMEX;
- case LM_TK_MSA:
- return LM_TC_MSA;
- case LM_TK_MSB:
- return LM_TC_MSB;
- default:
- return LM_TC_SYMB;
+ //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());
+ mathed_string_dim(mi.base.font, 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_;
}
-}
-
-void MathSymbolInset::metrics(MathStyles st) const
-{
- size_ = st;
- MathTextCodes Code = code();
- if (sym_->latex_font_id > 0 && math_font_available(Code)) {
- mathed_char_dim(Code, size_, sym_->latex_font_id,
- ascent_, descent_, width_);
- if (Code == LM_TC_CMEX) {
- h_ = 4*descent_/5;
- ascent_ += h_;
- descent_ -= h_;
- }
- } else if (sym_->id > 0 && sym_->id < 255 &&
- math_font_available(LM_TC_SYMB)) {
- mathed_char_dim(LM_TC_SYMB, size_, sym_->id,
- ascent_, descent_, width_);
- } else {
- mathed_string_dim(LM_TC_TEX, size_, sym_->name, ascent_, descent_, width_);
+#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<int>(0.5 * em + 0.5);
+ else
+ dim.wid += static_cast<int>(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 MathSymbolInset::draw(Painter & pain, int x, int y) const
-{
- xo(x);
- yo(y);
- MathTextCodes Code = code();
- if (sym_->latex_font_id > 0 && math_font_available(Code))
- drawChar(pain, Code, size_, x, y - h_, sym_->latex_font_id);
- else if (sym_->id > 0 && sym_->id < 255 &&
- math_font_available(LM_TC_SYMB))
- drawChar(pain, LM_TC_SYMB, size_, x, y, sym_->id);
+void MathSymbolInset::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<int>(0.25*em+0.5);
else
- drawStr(pain, LM_TC_TEX, size_, x, y, sym_->name);
+ x += static_cast<int>(0.0833*em+0.5);
+
+ FontSetChanger dummy(pi.base, sym_->inset.c_str());
+ drawStr(pi, pi.base.font, x, y - h_, sym_->draw);
}
bool MathSymbolInset::isRelOp() const
{
- return sym_->type == LMB_RELATION;
+ return sym_->extra == "mathrel";
}
bool MathSymbolInset::isScriptable() const
{
- return sym_->token == LM_TK_CMEX;
+ return scriptable_;
+}
+
+
+bool MathSymbolInset::takesLimits() const
+{
+ return
+ sym_->inset == "cmex" ||
+ sym_->inset == "lyxboldsymb" ||
+ sym_->extra == "funclim";
+}
+
+
+void MathSymbolInset::validate(LaTeXFeatures & features) const
+{
+ if (sym_->inset == "msa" || sym_->inset == "msb")
+ features.require("amssymb");
+ else if (sym_->inset == "wasy")
+ features.require("wasysym");
+}
+
+
+void MathSymbolInset::normalize(NormalStream & os) const
+{
+ os << "[symbol " << name() << ']';
+}
+
+
+void MathSymbolInset::maple(MapleStream & os) const
+{
+ if (name() == "cdot")
+ os << '*';
+ else if (name() == "infty")
+ os << "infinity";
+ else
+ os << name();
+}
+
+void MathSymbolInset::maxima(MaximaStream & os) const
+{
+ if (name() == "cdot")
+ os << '*';
+ else if (name() == "infty")
+ os << "INF";
+ else
+ os << name();
+}
+
+
+void MathSymbolInset::mathematica(MathematicaStream & os) const
+{
+ if ( name() == "pi") { os << "Pi"; return;}
+ if ( name() == "infty") { os << "Infinity"; return;}
+ os << name();
+}
+
+
+char const * MathMLtype(string const & s)
+{
+ if (s == "mathop")
+ return "mo";
+ return "mi";
+}
+
+
+void MathSymbolInset::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 << " </" << type << '>';
+}
+
+
+void MathSymbolInset::octave(OctaveStream & os) const
+{
+ if (name() == "cdot")
+ os << '*';
+ else
+ os << name();
+}
+
+
+void MathSymbolInset::write(WriteStream & os) const
+{
+ os << '\\' << name();
+ os.pendingSpace(true);
+}
+
+
+void MathSymbolInset::infoize2(std::ostream & os) const
+{
+ os << "Symbol: " << name();
}
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