X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathOverset.cpp;h=cf7d6d3feb28669036a297976a08c16f981b8a5f;hb=573500dd04f154f27318ac5ec469a337f97fe9f0;hp=82b80d7d438234e943b3d5fadbe0c536f420fa46;hpb=137158532b1ac0cde1557226ee486b3fda39b545;p=lyx.git

diff --git a/src/mathed/InsetMathOverset.cpp b/src/mathed/InsetMathOverset.cpp
index 82b80d7d43..cf7d6d3feb 100644
--- a/src/mathed/InsetMathOverset.cpp
+++ b/src/mathed/InsetMathOverset.cpp
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -17,6 +17,7 @@
 #include "Cursor.h"
 #include "LaTeXFeatures.h"
 
+using namespace std;
 
 namespace lyx {
 
@@ -28,26 +29,28 @@ Inset * InsetMathOverset::clone() const
 
 void InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
 {
-	cell(1).metrics(mi);
+	Dimension dim1;
+	cell(1).metrics(mi, dim1);
 	FracChanger dummy(mi.base);
-	cell(0).metrics(mi);
-	dim.wid = std::max(cell(0).width(), cell(1).width()) + 4;
-	dim.asc = cell(1).ascent() + cell(0).height() + 4;
-	dim.des = cell(1).descent();
+	Dimension dim0;
+	cell(0).metrics(mi, dim0);
+	dim.wid = max(dim0.width(), dim1.wid) + 4;
+	dim.asc = dim1.asc + dim0.height() + 4;
+	dim.des = dim1.des;
 	metricsMarkers(dim);
-	// Cache the inset dimension. 
-	setDimCache(mi, dim);
 }
 
 
 void InsetMathOverset::draw(PainterInfo & pi, int x, int y) const
 {
 	Dimension const dim = dimension(*pi.base.bv);
+	Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+	Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
 	int m  = x + dim.wid / 2;
-	int yo = y - cell(1).ascent() - cell(0).descent() - 1;
-	cell(1).draw(pi, m - cell(1).width() / 2, y);
+	int yo = y - dim1.asc - dim0.des - 1;
+	cell(1).draw(pi, m - dim1.wid / 2, y);
 	FracChanger dummy(pi.base);
-	cell(0).draw(pi, m - cell(0).width() / 2, yo);
+	cell(0).draw(pi, m - dim0.width() / 2, yo);
 	drawMarkers(pi, x, y);
 }
 
@@ -70,6 +73,7 @@ bool InsetMathOverset::idxLast(Cursor & cur) const
 
 void InsetMathOverset::write(WriteStream & os) const
 {
+	MathEnsurer ensurer(os);
 	os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
 }
 
@@ -80,9 +84,32 @@ void InsetMathOverset::normalize(NormalStream & os) const
 }
 
 
+void InsetMathOverset::mathmlize(MathStream & ms) const
+{
+	ms << "<mover accent='false'>" << cell(1) << cell(0) << "</mover>";
+}
+
+
+void InsetMathOverset::htmlize(HtmlStream & os) const
+{
+	os << MTag("span", "class='overset'")
+		 << MTag("span", "class='top'") << cell(0) << ETag("span")
+		 << MTag("span") << cell(1) << ETag("span")
+		 << ETag("span");
+}
+
+
 void InsetMathOverset::validate(LaTeXFeatures & features) const
 {
-	features.require("amsmath");
+	if (features.runparams().isLaTeX())
+		features.require("amsmath");
+	else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+		features.addPreambleSnippet("<style type=\"text/css\">\n"
+			"span.overset{display: inline-block; vertical-align: bottom; text-align:center;}\n"
+			"span.overset span {display: block;}\n"
+			"span.top{font-size: 66%;}\n"
+			"</style>");
+
 	InsetMathNest::validate(features);
 }