--- /dev/null
+/**
+ * \file math_dfracinset.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_dfracinset.h"
+#include "math_data.h"
+#include "math_mathmlstream.h"
+#include "LaTeXFeatures.h"
+#include "LColor.h"
+#include "frontends/Painter.h"
+
+
+using std::string;
+using std::max;
+using std::auto_ptr;
+
+
+MathDfracInset::MathDfracInset()
+ : MathFracInset(false)
+{}
+
+
+auto_ptr<InsetBase> MathDfracInset::clone() const
+{
+ return auto_ptr<InsetBase>(new MathDfracInset(*this));
+}
+
+
+void MathDfracInset::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ cell(0).metrics(mi);
+ cell(1).metrics(mi);
+ dim_.wid = max(cell(0).width(), cell(1).width()) + 2;
+ dim_.asc = cell(0).height() + 2 + 5;
+ dim_.des = cell(1).height() + 2 - 5;
+ dim = dim_;
+}
+
+
+void MathDfracInset::draw(PainterInfo & pi, int x, int y) const
+{
+ int m = x + dim_.wid / 2;
+ cell(0).draw(pi, m - cell(0).width() / 2, y - cell(0).descent() - 2 - 5);
+ cell(1).draw(pi, m - cell(1).width() / 2, y + cell(1).ascent() + 2 - 5);
+ pi.pain.line(x + 1, y - 5, x + dim_.wid - 2, y - 5, LColor::math);
+}
+
+
+string MathDfracInset::name() const
+{
+ return "dfrac";
+}
+
+
+void MathDfracInset::mathmlize(MathMLStream & os) const
+{
+ os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
+}
+
+
+void MathDfracInset::validate(LaTeXFeatures & features) const
+{
+ features.require("amsmath");
+ MathNestInset::validate(features);
+}
--- /dev/null
+// -*- C++ -*-
+/**
+ * \file math_fracinset.h
+ * 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.
+ */
+
+#ifndef MATH_DFRACINSET_H
+#define MATH_DFRACINSET_H
+
+#include "math_fracinset.h"
+
+
+/// \dfrac support
+class MathDfracInset : public MathFracInset {
+public:
+ ///
+ MathDfracInset();
+ ///
+ virtual std::auto_ptr<InsetBase> clone() const;
+ ///
+ void metrics(MetricsInfo & mi, Dimension & dim) const;
+ ///
+ void draw(PainterInfo &, int x, int y) const;
+ ///
+ std::string name() const;
+ ///
+ void mathmlize(MathMLStream &) const;
+ ///
+ void validate(LaTeXFeatures & features) const;
+};
+
+#endif
#include "math_casesinset.h"
#include "math_colorinset.h"
#include "math_decorationinset.h"
+#include "math_dfracinset.h"
#include "math_dotsinset.h"
#include "math_ertinset.h"
#include "math_fboxinset.h"
return MathAtom(new MathBoldsymbolInset);
if (s == "color")
return MathAtom(new MathColorInset);
+ if (s == "dfrac")
+ return MathAtom(new MathDfracInset);
if (MathMacroTable::has(s))
return MathAtom(new MathMacro(s));