Integrals via HTML.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33960 a592a061-630c-0410-9148-cb99ea01b6c8

src/mathed/InsetMathExInt.cpp

@@ -11,6 +11,8 @@
 #include <config.h>
 
 #include "InsetMathExInt.h"
+
+#include "LaTeXFeatures.h"
 #include "MathData.h"
 #include "MathStream.h"
 #include "MathStream.h"
@@ -156,10 +158,35 @@ void InsetMathExInt::mathmlize(MathStream & os) const
 }
 
 
+void InsetMathExInt::htmlize(HtmlStream & os) const
+{
+	// At the moment, we are not extracting sums and the like for HTML.
+	// So right now this only handles integrals.
+	InsetMathSymbol sym(symbol_);
+	bool const lower = !cell(2).empty();
+	bool const upper = !cell(3).empty();
+	
+	os << MTag("span", "class='integral'")
+	   << MTag("span", "class='intsym'");
+	sym.htmlize(os, false);
+	os << ETag("span");
+	
+	if (lower && upper) {
+		os << MTag("span", "class='limits'")
+		   << MTag("span") << cell(2) << ETag("span")
+			 << MTag("span") << cell(3) << ETag("span")
+			 << ETag("span");
+	} else if (lower)
+		os << MTag("sub", "class='limit'") << cell(2) << ETag("sub");
+	else if (upper)
+		os << MTag("sup", "class='limit'") << cell(3) << ETag("sup");
+	os << cell(0) << "<b>d</b>" << cell(1) << ETag("span");
+}
+
+
 void InsetMathExInt::write(WriteStream &) const
 {
 	LYXERR0("should not happen");
 }
 
-
 } // namespace lyx

src/mathed/InsetMathExInt.h

@@ -54,6 +54,8 @@ public:
 	///
 	void mathmlize(MathStream &) const;
 	///
+	void htmlize(HtmlStream &) const;
+	///
 	void write(WriteStream & os) const;
 	///
 	InsetCode lyxCode() const { return MATH_EXINT_CODE; }

src/mathed/InsetMathSymbol.cpp

@@ -130,13 +130,6 @@ bool InsetMathSymbol::takesLimits() const
 }
 
 
-void InsetMathSymbol::validate(LaTeXFeatures & features) const
-{
-	if (!sym_->requires.empty())
-		features.require(to_utf8(sym_->requires));
-}
-
-
 void InsetMathSymbol::normalize(NormalStream & os) const
 {
 	os << "[symbol " << name() << ']';
@@ -199,7 +192,7 @@ void InsetMathSymbol::mathmlize(MathStream & os) const
 }
 
 
-void InsetMathSymbol::htmlize(HtmlStream & os) const
+void InsetMathSymbol::htmlize(HtmlStream & os, bool spacing) const
 {
 	// FIXME We may need to do more interesting things 
 	// with MathMLtype.
@@ -209,13 +202,19 @@ void InsetMathSymbol::htmlize(HtmlStream & os) const
 	if (sym_->xmlname == "x") 
 		// unknown so far
 		os << ' ' << name() << ' ';
-	else if (op) 
+	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")
@@ -246,4 +245,23 @@ void InsetMathSymbol::infoize2(odocstream & os) const
 }
 
 
+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().flavor == OutputParams::HTML
+	    && sym_->name == from_ascii("int")) {
+		features.addPreambleSnippet("<style type=\"text/css\">\n"
+			"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%;}\n"
+			"</style>");
+	} else {
+		if (!sym_->requires.empty())
+			features.require(to_utf8(sym_->requires));
+	}
+}
+
 } // namespace lyx

src/mathed/InsetMathSymbol.h

@@ -64,6 +64,9 @@ public:
 	void mathmlize(MathStream &) const;
 	///
 	void htmlize(HtmlStream &) const;
+	/// \param spacing controls whether we print spaces around
+	/// "operator"-type symbols or just print them raw
+	void htmlize(HtmlStream &, bool spacing) const;
 	///
 	void octave(OctaveStream &) const;
 	///