X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_symbolinset.C;h=bdcfdb8a1dc57c37fb41f35efd926a5193f619d9;hb=c649284611c4198c9d70be8a16d153cdf1ec0700;hp=4b635efbd51921db89835dc5779b44fe369bec39;hpb=597afac060a1118debcf4f46015edfad6ab357e2;p=lyx.git

diff --git a/src/mathed/math_symbolinset.C b/src/mathed/math_symbolinset.C
index 4b635efbd5..bdcfdb8a1d 100644
--- a/src/mathed/math_symbolinset.C
+++ b/src/mathed/math_symbolinset.C
@@ -1,10 +1,17 @@
+#include <config.h>
+
 #include "math_symbolinset.h"
 #include "math_mathmlstream.h"
+#include "math_streamstr.h"
 #include "math_support.h"
 #include "math_parser.h"
+#include "LaTeXFeatures.h"
 #include "debug.h"
 
 
+using std::ostream;
+
+
 MathSymbolInset::MathSymbolInset(const latexkeys * l)
 	: sym_(l), h_(0)
 {}
@@ -15,40 +22,15 @@ MathSymbolInset::MathSymbolInset(const char * name)
 {}
 
 
+MathSymbolInset::MathSymbolInset(string const & name)
+	: sym_(in_word_set(name.c_str())), h_(0)
+{}
 
-MathInset * MathSymbolInset::clone() 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
+MathInset * MathSymbolInset::clone() const
 {
-	if (sym_->token == LM_TK_CMEX)
-		return LM_TC_BOLDSYMB;
-	else
-		return LM_TC_SYMB;
+	return new MathSymbolInset(*this);
 }
 
 
@@ -58,63 +40,74 @@ string MathSymbolInset::name() const
 }
 
 
-void MathSymbolInset::metrics(MathMetricsInfo const & mi) const
+void MathSymbolInset::metrics(MathMetricsInfo & mi) 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
+	//	<< "'\n";
+	MathFontSetChanger dummy(mi.base, sym_->inset.c_str());
+	mathed_string_dim(mi.base.font, sym_->draw, ascent_, descent_, width_);
+	// correct height for broken cmex font
+	if (sym_->inset == "cmex") {
+		h_ = 4 * descent_ / 5;
+		ascent_  += h_;
+		descent_ -= h_;
 	}
 	if (isRelOp())
-		width_ += mathed_char_width(LM_TC_TEX, mi_, 'I');
+		width_ += 6;
+
+	scriptable_ = false;
+	if (mi.base.style == LM_ST_DISPLAY)
+		if (sym_->inset == "cmex" || sym_->extra == "funclim")
+			scriptable_ = true;
 }
 
 
-void MathSymbolInset::draw(Painter & pain, int x, int y) const
-{  
+void MathSymbolInset::draw(MathPainterInfo & pi, int x, int y) const
+{
+	//lyxerr << "metrics: symbol: '" << sym_->name
+	//	<< "' in font: '" << sym_->inset
+	//	<< "' drawn as: '" << sym_->draw
+	//	<< "'\n";
 	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);
-	else
-		drawStr(pain, LM_TC_TEX, mi_, x, y, sym_->name);
+		x += 3;
+	MathFontSetChanger 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().c_str() << "]";
+	os << "[symbol " << name() << "]";
 }
 
 
@@ -122,8 +115,10 @@ void MathSymbolInset::maplize(MapleStream & os) const
 {
 	if (name() == "cdot")
 		os << '*';
+	else if (name() == "infty")
+		os << "infinity";
 	else
-		os << name().c_str();
+		os << name();
 }
 
 
@@ -135,14 +130,21 @@ char const * MathMLtype(string const & s)
 }
 
 
+bool MathSymbolInset::match(MathInset * p) const
+{
+	MathSymbolInset const * q = p->asSymbolInset();
+	return q && name() == q->name();
+}
+
+
 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().c_str();
+		os << name();
 	else
-		os << sym_->xmlname.c_str();
+		os << sym_->xmlname;
 	os << " </" << type << '>';
 }
 
@@ -152,13 +154,17 @@ void MathSymbolInset::octavize(OctaveStream & os) const
 	if (name() == "cdot")
 		os << '*';
 	else
-		os << name().c_str();
+		os << name();
 }
 
 
 void MathSymbolInset::write(WriteStream & os) const
 {
-	os << '\\' << name().c_str() << ' ';
+	os << '\\' << name() << ' ';
 }
 
 
+void MathSymbolInset::infoize(ostream & os) const
+{
+	os << '\\' << name();
+}