+/**
+ * \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 "math_atom.h"
+#include "LaTeXFeatures.h"
#include "debug.h"
-MathSymbolInset::MathSymbolInset(const latexkeys * l)
+using std::string;
+using std::auto_ptr;
+
+
+MathSymbolInset::MathSymbolInset(latexkeys const * l)
: sym_(l), h_(0)
{}
-MathSymbolInset::MathSymbolInset(const char * name)
+MathSymbolInset::MathSymbolInset(char const * name)
: sym_(in_word_set(name)), h_(0)
{}
{}
-
-MathInset * MathSymbolInset::clone() const
+auto_ptr<InsetBase> MathSymbolInset::doClone() const
{
- return new MathSymbolInset(*this);
-}
-
-
-MathTextCodes MathSymbolInset::code() const
-{
- switch(sym_->token) {
- case LM_TK_CMR:
- return LM_TC_CMR;
- 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;
- }
-}
-
-
-MathTextCodes MathSymbolInset::code2() const
-{
- if (sym_->token == LM_TK_CMEX)
- return LM_TC_BOLDSYMB;
- else
- return LM_TC_SYMB;
+ return auto_ptr<InsetBase>(new MathSymbolInset(*this));
}
}
-void MathSymbolInset::metrics(MathMetricsInfo const & mi) const
+void MathSymbolInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- mi_ = mi;
- MathTextCodes c = code();
- if (sym_->latex_font_id > 0 && math_font_available(c)) {
- mathed_char_dim(c, mi_, sym_->latex_font_id, ascent_, descent_, width_);
- if (c == 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(code2(), mi_, sym_->id, ascent_, descent_, width_);
- else
- mathed_string_dim(LM_TC_TEX, mi_, sym_->name, ascent_, descent_, width_);
+ //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_;
}
+#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())
- width_ += mathed_char_width(LM_TC_TEX, mi_, 'I');
+ 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
-{
+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 += mathed_char_width(LM_TC_TEX, mi_, 'I') / 2;
- MathTextCodes Code = code();
- if (sym_->latex_font_id > 0 && math_font_available(Code))
- drawChar(pain, Code, mi_, x, y - h_, sym_->latex_font_id);
- else if (sym_->id > 0 && sym_->id < 255 && math_font_available(LM_TC_SYMB))
- drawChar(pain, code2(), mi_, x, y, sym_->id);
+ x += static_cast<int>(0.25*em+0.5);
else
- drawStr(pain, LM_TC_TEX, mi_, 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 == "mathrel";
+{
+ return sym_->extra == "mathrel";
}
bool MathSymbolInset::isScriptable() const
{
- return mi_.style == LM_ST_DISPLAY && sym_->token == LM_TK_CMEX;
+ return scriptable_;
}
bool MathSymbolInset::takesLimits() const
{
- return sym_->token == LM_TK_CMEX;
+ 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");
}
void MathSymbolInset::normalize(NormalStream & os) const
{
- os << "[symbol " << name() << "]";
+ os << "[symbol " << name() << ']';
}
-void MathSymbolInset::maplize(MapleStream & os) const
+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();
+}
-char const * MathMLtype(string const & s)
+
+void MathSymbolInset::mathematica(MathematicaStream & os) const
{
- if (s == "mathop")
- return "mo";
- return "mi";
+ if ( name() == "pi") { os << "Pi"; return;}
+ if ( name() == "infty") { os << "Infinity"; return;}
+ os << name();
}
-bool MathSymbolInset::match(MathInset * p) const
+char const * MathMLtype(string const & s)
{
- MathSymbolInset const * q = p->asSymbolInset();
- return q && name() == q->name();
+ if (s == "mathop")
+ return "mo";
+ return "mi";
}
void MathSymbolInset::mathmlize(MathMLStream & os) const
{
- char const * type = MathMLtype(sym_->type);
+ char const * type = MathMLtype(sym_->extra);
os << '<' << type << "> ";
if (sym_->xmlname == "x") // unknown so far
os << name();
}
-void MathSymbolInset::octavize(OctaveStream & os) const
+void MathSymbolInset::octave(OctaveStream & os) const
{
if (name() == "cdot")
os << '*';
void MathSymbolInset::write(WriteStream & os) const
{
- os << '\\' << name() << ' ';
+ os << '\\' << name();
+ os.pendingSpace(true);
}
+void MathSymbolInset::infoize2(std::ostream & os) const
+{
+ os << "Symbol: " << name();
+}