From e948588b098bbfe70db4b0085f8535c5d1fe977e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andr=C3=A9=20P=C3=B6nitz?= <poenitz@gmx.net>
Date: Sun, 7 Nov 2004 19:33:30 +0000
Subject: [PATCH] forgot these

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9200 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/math_tfracinset.C | 79 ++++++++++++++++++++++++++++++++++++
 src/mathed/math_tfracinset.h | 37 +++++++++++++++++
 2 files changed, 116 insertions(+)
 create mode 100644 src/mathed/math_tfracinset.C
 create mode 100644 src/mathed/math_tfracinset.h

diff --git a/src/mathed/math_tfracinset.C b/src/mathed/math_tfracinset.C
new file mode 100644
index 0000000000..f18d6caed3
--- /dev/null
+++ b/src/mathed/math_tfracinset.C
@@ -0,0 +1,79 @@
+/**
+ * \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_tfracinset.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;
+
+
+MathTfracInset::MathTfracInset()
+	: MathFracInset(false)
+{}
+
+
+auto_ptr<InsetBase> MathTfracInset::clone() const
+{
+	return auto_ptr<InsetBase>(new MathTfracInset(*this));
+}
+
+
+void MathTfracInset::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+	StyleChanger dummy(mi.base, LM_ST_SCRIPT);
+	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 MathTfracInset::draw(PainterInfo & pi, int x, int y) const
+{
+	StyleChanger dummy(pi.base, LM_ST_SCRIPT);
+	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);
+	setPosCache(pi, x, y);
+}
+
+
+string MathTfracInset::name() const
+{
+	return "tfrac";
+}
+
+
+void MathTfracInset::mathmlize(MathMLStream & os) const
+{
+	os << MTag("mtfrac") << cell(0) << cell(1) << ETag("mtfrac");
+}
+
+
+void MathTfracInset::validate(LaTeXFeatures & features) const
+{
+	features.require("amsmath");
+	MathNestInset::validate(features);
+}
diff --git a/src/mathed/math_tfracinset.h b/src/mathed/math_tfracinset.h
new file mode 100644
index 0000000000..b2727ebfdb
--- /dev/null
+++ b/src/mathed/math_tfracinset.h
@@ -0,0 +1,37 @@
+// -*- C++ -*-
+/**
+ * \file math_tfracinset.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_TFRACINSET_H
+#define MATH_TFRACINSET_H
+
+#include "math_fracinset.h"
+
+
+/// \dfrac support
+class MathTfracInset : public MathFracInset {
+public:
+	///
+	MathTfracInset();
+	///
+	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
-- 
2.39.5