* 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.
*/
#include <config.h>
#include "InsetMathOverset.h"
-#include "MathArray.h"
+
+#include "MathData.h"
#include "MathStream.h"
-#include "LCursor.h"
+#include "Cursor.h"
#include "LaTeXFeatures.h"
+#include "MetricsInfo.h"
+using namespace std;
namespace lyx {
-using std::max;
-using std::auto_ptr;
-
-
-auto_ptr<InsetBase> InsetMathOverset::doClone() const
+Inset * InsetMathOverset::clone() const
{
- return auto_ptr<InsetBase>(new InsetMathOverset(*this));
+ return new InsetMathOverset(*this);
}
-bool InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
+void InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- cell(1).metrics(mi);
- FracChanger dummy(mi.base);
- cell(0).metrics(mi);
- dim.wid = max(cell(0).width(), cell(1).width()) + 4;
- dim.asc = cell(1).ascent() + cell(0).height() + 4;
- dim.des = cell(1).descent();
+ Dimension dim1;
+ cell(1).metrics(mi, dim1);
+ Changer dummy = mi.base.changeFrac();
+ 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);
- if (dim_ == dim)
- return false;
- dim_ = dim;
- return true;
}
void InsetMathOverset::draw(PainterInfo & pi, int x, int y) const
{
- int m = x + width() / 2;
- int yo = y - cell(1).ascent() + cell(0).descent() - 1;
- cell(1).draw(pi, m - cell(1).width() / 2, y);
- FracChanger dummy(pi.base);
- cell(0).draw(pi, m - cell(0).width() / 2, yo);
+ 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 - dim1.asc - dim0.des - 1;
+ cell(1).draw(pi, m - dim1.wid / 2, y);
+ Changer dummy = pi.base.changeFrac();
+ cell(0).draw(pi, m - dim0.width() / 2, yo);
drawMarkers(pi, x, y);
}
-bool InsetMathOverset::idxFirst(LCursor & cur) const
+bool InsetMathOverset::idxFirst(Cursor & cur) const
{
cur.idx() = 1;
cur.pos() = 0;
}
-bool InsetMathOverset::idxLast(LCursor & cur) const
+bool InsetMathOverset::idxLast(Cursor & cur) const
{
cur.idx() = 1;
cur.pos() = cur.lastpos();
void InsetMathOverset::write(WriteStream & os) const
{
+ MathEnsurer ensurer(os);
+ if (os.fragile())
+ os << "\\protect";
os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
}
}
+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.addCSSSnippet(
+ "span.overset{display: inline-block; vertical-align: bottom; text-align:center;}\n"
+ "span.overset span {display: block;}\n"
+ "span.top{font-size: 66%;}");
+
InsetMathNest::validate(features);
}