X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmathed%2FInsetMathFrac.h;h=c2427ec76496f59ebc602b1eb69fc7892abbf8a0;hb=e5bb491e2e10a8097284d11eae5501a3673731cb;hp=6668654b7567b688dea22064d0f9e15cf36750f8;hpb=0ea6f2c7f129fc400b6935c4a722a1483583c058;p=lyx.git

diff --git a/src/mathed/InsetMathFrac.h b/src/mathed/InsetMathFrac.h
index 6668654b75..c2427ec764 100644
--- a/src/mathed/InsetMathFrac.h
+++ b/src/mathed/InsetMathFrac.h
@@ -5,71 +5,146 @@
  * Licence details can be found in the file COPYING.
  *
  * \author Alejandro Aguilar Sierra
- * \author André Pönitz
+ * \author André Pönitz
+ * \author Uwe Stöhr
  *
  * Full author contact details are available in file CREDITS.
  */
 
-#ifndef MATH_FRACINSET_H
-#define MATH_FRACINSET_H
+#ifndef MATH_FRAC_H
+#define MATH_FRAC_H
 
-#include "InsetMathFracBase.h"
+#include "InsetMathNest.h"
 
 
 namespace lyx {
 
 
+class InsetMathFracBase : public InsetMathNest {
+public:
+	///
+	InsetMathFracBase(Buffer * buf, idx_type ncells = 2);
+	///
+	marker_type marker(BufferView const *) const override { return marker_type::MARKER2; }
+	///
+	bool idxUpDown(Cursor &, bool up) const override;
+	///
+	bool idxBackward(Cursor &) const override { return false; }
+	///
+	bool idxForward(Cursor &) const override { return false; }
+	///
+	InsetMathFracBase * asFracBaseInset() override { return this; }
+	///
+	InsetMathFracBase const * asFracBaseInset() const override { return this; }
+};
+
+
+
 /// Fraction like objects (frac, binom)
 class InsetMathFrac : public InsetMathFracBase {
 public:
 	///
 	enum Kind {
 		FRAC,
+		AASTEX_CASE,
+		CFRAC,
+		CFRACLEFT,
+		CFRACRIGHT,
+		DFRAC,
+		TFRAC,
 		OVER,
 		ATOP,
 		NICEFRAC,
 		UNITFRAC,
-		UNIT,
-		UNITFRAC3
+		UNIT
 	};
-
 	///
-	explicit InsetMathFrac(Kind kind = FRAC, idx_type ncells = 2);
+	explicit InsetMathFrac(Buffer * buf, Kind kind = FRAC, idx_type ncells = 2);
 	///
-	bool idxRight(Cursor &) const;
+	bool idxForward(Cursor &) const override;
 	///
-	bool idxLeft(Cursor &) const;
+	bool idxBackward(Cursor &) const override;
 	///
-	bool metrics(MetricsInfo & mi, Dimension & dim) const;
+	MathClass mathClass() const override;
 	///
-	void draw(PainterInfo &, int x, int y) const;
+	void metrics(MetricsInfo & mi, Dimension & dim) const override;
 	///
-	void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
+	void draw(PainterInfo &, int x, int y) const override;
 	///
-	void drawT(TextPainter &, int x, int y) const;
+	void metricsT(TextMetricsInfo const & mi, Dimension & dim) const override;
+	///
+	void drawT(TextPainter &, int x, int y) const override;
 	/// identifies FracInsets
-	InsetMathFrac * asFracInset();
+	InsetMathFrac * asFracInset() override;
 	/// identifies FracInsets
-	InsetMathFrac const * asFracInset() const;
+	InsetMathFrac const * asFracInset() const override;
 	///
-	docstring name() const;
+	docstring name() const override;
 	///
-	bool extraBraces() const;
-
+	bool extraBraces() const override;
 	///
-	void write(WriteStream & os) const;
+	void write(TeXMathStream & os) const override;
 	///
-	void maple(MapleStream &) const;
+	void maple(MapleStream &) const override;
 	///
-	void mathematica(MathematicaStream &) const;
+	void mathematica(MathematicaStream &) const override;
 	///
-	void octave(OctaveStream &) const;
+	void octave(OctaveStream &) const override;
 	///
-	void mathmlize(MathStream &) const;
+	void mathmlize(MathMLStream &) const override;
 	///
-	void validate(LaTeXFeatures & features) const;
+	void htmlize(HtmlStream &) const override;
+	///
+	void validate(LaTeXFeatures & features) const override;
+private:
+	/// vertical displacement
+	int dy(FontInfo & fi) const;
+	///
+	Inset * clone() const override;
+	///
+	Kind kind_;
+};
+
+
+
+/// Binom like objects
+class InsetMathBinom : public InsetMathFracBase {
 public:
-	virtual Inset * clone() const;
+	///
+	enum Kind {
+		BINOM,
+		DBINOM,
+		TBINOM,
+		CHOOSE,
+		BRACE,
+		BRACK
+	};
+	///
+	explicit InsetMathBinom(Buffer * buf, Kind kind = BINOM);
+	///
+	void write(TeXMathStream & os) const override;
+	///
+	void normalize(NormalStream &) const override;
+	/// Generalized fractions are of inner class (see The TeXbook, p.292)
+	MathClass mathClass() const override { return MC_INNER; }
+	///
+	void metrics(MetricsInfo & mi, Dimension & dim) const override;
+	///
+	void draw(PainterInfo &, int x, int y) const override;
+	///
+	bool extraBraces() const override;
+	///
+	void mathmlize(MathMLStream &) const override;
+	///
+	void htmlize(HtmlStream &) const override;
+	///
+	void validate(LaTeXFeatures & features) const override;
+	///
+	InsetCode lyxCode() const override { return MATH_FRAC_CODE; }
+private:
+	Inset * clone() const override;
+	///
+	int dw(int height) const;
 	///
 	Kind kind_;
 };
@@ -77,4 +152,5 @@ public:
 
 
 } // namespace lyx
+
 #endif