mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-16 07:55:41 +00:00
302 lines
6.7 KiB
C++
302 lines
6.7 KiB
C++
/**
|
|
* \file InsetMathSymbol.cpp
|
|
* 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 "InsetMathSymbol.h"
|
|
|
|
#include "MathAtom.h"
|
|
#include "MathParser.h"
|
|
#include "MathStream.h"
|
|
#include "MathSupport.h"
|
|
|
|
#include "Dimension.h"
|
|
#include "LaTeXFeatures.h"
|
|
#include "MetricsInfo.h"
|
|
|
|
#include "support/debug.h"
|
|
#include "support/docstream.h"
|
|
#include "support/lyxlib.h"
|
|
#include "support/textutils.h"
|
|
#include "support/unique_ptr.h"
|
|
|
|
|
|
namespace lyx {
|
|
|
|
InsetMathSymbol::InsetMathSymbol(latexkeys const * l)
|
|
: sym_(l), h_(0), kerning_(0), scriptable_(false)
|
|
{}
|
|
|
|
|
|
InsetMathSymbol::InsetMathSymbol(char const * name)
|
|
: sym_(in_word_set(from_ascii(name))), h_(0),
|
|
kerning_(0), scriptable_(false)
|
|
{}
|
|
|
|
|
|
InsetMathSymbol::InsetMathSymbol(docstring const & name)
|
|
: sym_(in_word_set(name)), h_(0), kerning_(0), scriptable_(false)
|
|
{}
|
|
|
|
|
|
Inset * InsetMathSymbol::clone() const
|
|
{
|
|
return new InsetMathSymbol(*this);
|
|
}
|
|
|
|
|
|
docstring 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
|
|
// << "'" << endl;
|
|
|
|
bool const italic_upcase_greek = sym_->inset == "cmr" &&
|
|
sym_->extra == "mathalpha" &&
|
|
mi.base.fontname == "mathit";
|
|
std::string const font = italic_upcase_greek ? "cmm" : sym_->inset;
|
|
Changer dummy = mi.base.changeFontSet(font);
|
|
mathed_string_dim(mi.base.font, sym_->draw, dim);
|
|
docstring::const_reverse_iterator rit = sym_->draw.rbegin();
|
|
kerning_ = mathed_char_kerning(mi.base.font, *rit);
|
|
// correct height for broken cmex and wasy font
|
|
if (sym_->inset == "cmex" || sym_->inset == "wasy") {
|
|
h_ = 4 * dim.des / 5;
|
|
dim.asc += h_;
|
|
dim.des -= h_;
|
|
}
|
|
// seperate things a bit
|
|
if (isMathBin())
|
|
dim.wid += 2 * mathed_medmuskip(mi.base.font);
|
|
else if (isMathRel())
|
|
dim.wid += 2 * mathed_thickmuskip(mi.base.font);
|
|
else if (isMathPunct())
|
|
dim.wid += mathed_thinmuskip(mi.base.font);
|
|
// FIXME: I see no reason for this
|
|
//else
|
|
// dim.wid += support::iround(0.1667 * em);
|
|
|
|
scriptable_ = false;
|
|
if (mi.base.style == LM_ST_DISPLAY)
|
|
if (sym_->inset == "cmex" || sym_->inset == "esint" ||
|
|
sym_->extra == "funclim" ||
|
|
(sym_->inset == "stmry" && sym_->extra == "mathop"))
|
|
scriptable_ = true;
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::draw(PainterInfo & pi, int x, int y) const
|
|
{
|
|
//lyxerr << "metrics: symbol: '" << sym_->name
|
|
// << "' in font: '" << sym_->inset
|
|
// << "' drawn as: '" << sym_->draw
|
|
// << "'" << endl;
|
|
|
|
bool const italic_upcase_greek = sym_->inset == "cmr" &&
|
|
sym_->extra == "mathalpha" &&
|
|
pi.base.fontname == "mathit";
|
|
std::string const font = italic_upcase_greek ? "cmm" : sym_->inset;
|
|
if (isMathBin())
|
|
x += mathed_medmuskip(pi.base.font);
|
|
else if (isMathRel())
|
|
x += mathed_thickmuskip(pi.base.font);
|
|
// FIXME: I see no reason for this
|
|
//else
|
|
// x += support::iround(0.0833 * em);
|
|
|
|
Changer dummy = pi.base.changeFontSet(font);
|
|
pi.draw(x, y - h_, sym_->draw);
|
|
}
|
|
|
|
|
|
InsetMath::mode_type InsetMathSymbol::currentMode() const
|
|
{
|
|
return sym_->extra == "textmode" ? TEXT_MODE : MATH_MODE;
|
|
}
|
|
|
|
|
|
bool InsetMathSymbol::isMathBin() const
|
|
{
|
|
return sym_->extra == "mathbin";
|
|
}
|
|
|
|
|
|
bool InsetMathSymbol::isMathRel() const
|
|
{
|
|
return sym_->extra == "mathrel";
|
|
}
|
|
|
|
|
|
bool InsetMathSymbol::isMathPunct() const
|
|
{
|
|
return sym_->extra == "mathpunct";
|
|
}
|
|
|
|
|
|
bool InsetMathSymbol::isOrdAlpha() const
|
|
{
|
|
return sym_->extra == "mathord" || sym_->extra == "mathalpha";
|
|
}
|
|
|
|
|
|
bool InsetMathSymbol::isScriptable() const
|
|
{
|
|
return scriptable_;
|
|
}
|
|
|
|
|
|
bool InsetMathSymbol::takesLimits() const
|
|
{
|
|
return
|
|
sym_->inset == "cmex" ||
|
|
sym_->inset == "lyxboldsymb" ||
|
|
sym_->inset == "esint" ||
|
|
sym_->extra == "funclim" ||
|
|
(sym_->inset == "stmry" && sym_->extra == "mathop");
|
|
}
|
|
|
|
|
|
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();
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::mathmlize(MathStream & os) const
|
|
{
|
|
// FIXME We may need to do more interesting things
|
|
// with MathMLtype.
|
|
char const * type = sym_->MathMLtype();
|
|
os << '<' << type << "> ";
|
|
if (sym_->xmlname == "x")
|
|
// unknown so far
|
|
os << name();
|
|
else
|
|
os << sym_->xmlname;
|
|
os << " </" << type << '>';
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::htmlize(HtmlStream & os, bool spacing) const
|
|
{
|
|
// FIXME We may need to do more interesting things
|
|
// with MathMLtype.
|
|
char const * type = sym_->MathMLtype();
|
|
bool op = (std::string(type) == "mo");
|
|
|
|
if (sym_->xmlname == "x")
|
|
// unknown so far
|
|
os << ' ' << name() << ' ';
|
|
else if (op && spacing)
|
|
os << ' ' << sym_->xmlname << ' ';
|
|
else
|
|
os << sym_->xmlname;
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::htmlize(HtmlStream & os) const
|
|
{
|
|
htmlize(os, true);
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::octave(OctaveStream & os) const
|
|
{
|
|
if (name() == "cdot")
|
|
os << '*';
|
|
else
|
|
os << name();
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::write(WriteStream & os) const
|
|
{
|
|
unique_ptr<MathEnsurer> ensurer;
|
|
if (currentMode() != TEXT_MODE)
|
|
ensurer = make_unique<MathEnsurer>(os);
|
|
else
|
|
ensurer = make_unique<MathEnsurer>(os, false, true, true);
|
|
os << '\\' << name();
|
|
|
|
// $,#, etc. In theory the restriction based on catcodes, but then
|
|
// we do not handle catcodes very well, let alone cat code changes,
|
|
// so being outside the alpha range is good enough.
|
|
if (name().size() == 1 && !isAlphaASCII(name()[0]))
|
|
return;
|
|
|
|
os.pendingSpace(true);
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::infoize2(odocstream & os) const
|
|
{
|
|
os << from_ascii("Symbol: ") << name();
|
|
}
|
|
|
|
|
|
void InsetMathSymbol::validate(LaTeXFeatures & features) const
|
|
{
|
|
// this is not really the ideal place to do this, but we can't
|
|
// validate in InsetMathExInt.
|
|
if (features.runparams().math_flavor == OutputParams::MathAsHTML
|
|
&& sym_->name == from_ascii("int")) {
|
|
features.addCSSSnippet(
|
|
"span.limits{display: inline-block; vertical-align: middle; text-align:center; font-size: 75%;}\n"
|
|
"span.limits span{display: block;}\n"
|
|
"span.intsym{font-size: 150%;}\n"
|
|
"sub.limit{font-size: 75%;}\n"
|
|
"sup.limit{font-size: 75%;}");
|
|
} else {
|
|
if (!sym_->requires.empty())
|
|
features.require(sym_->requires);
|
|
}
|
|
}
|
|
|
|
} // namespace lyx
|