X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathFrac.h;h=9d5484487687932368f8bd45dc2be588cd4f47c1;hb=5fdc577badb1cb133d6a0dc7d831bb1f82576adb;hp=49d131d25a596948e270fbd35df3118f0f761931;hpb=ff9f9c92aebbe01e3d9e8e788b9951dfa179c84c;p=lyx.git

diff --git a/src/mathed/InsetMathFrac.h b/src/mathed/InsetMathFrac.h
index 49d131d25a..9d54844876 100644
--- a/src/mathed/InsetMathFrac.h
+++ b/src/mathed/InsetMathFrac.h
@@ -6,6 +6,7 @@
  *
  * \author Alejandro Aguilar Sierra
  * \author André Pönitz
+ * \author Uwe Stöhr
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -22,13 +23,17 @@ namespace lyx {
 class InsetMathFracBase : public InsetMathNest {
 public:
 	///
-	explicit InsetMathFracBase(idx_type ncells = 2);
+	InsetMathFracBase(Buffer * buf, idx_type ncells = 2);
 	///
 	bool idxUpDown(Cursor &, bool up) const;
 	///
 	bool idxBackward(Cursor &) const { return false; }
 	///
 	bool idxForward(Cursor &) const { return false; }
+	///
+	InsetMathFracBase * asFracBaseInset() { return this; }
+	///
+	InsetMathFracBase const * asFracBaseInset() const { return this; }
 };
 
 
@@ -39,20 +44,26 @@ public:
 	///
 	enum Kind {
 		FRAC,
+		CFRAC,
+		CFRACLEFT,
+		CFRACRIGHT,
+		DFRAC,
+		TFRAC,
 		OVER,
 		ATOP,
 		NICEFRAC,
 		UNITFRAC,
 		UNIT
 	};
-
 	///
-	explicit InsetMathFrac(Kind kind = FRAC, idx_type ncells = 2);
+	explicit InsetMathFrac(Buffer * buf, Kind kind = FRAC, idx_type ncells = 2);
 	///
 	bool idxForward(Cursor &) const;
 	///
 	bool idxBackward(Cursor &) const;
 	///
+	MathClass mathClass() const;
+	///
 	void metrics(MetricsInfo & mi, Dimension & dim) const;
 	///
 	void draw(PainterInfo &, int x, int y) const;
@@ -68,7 +79,6 @@ public:
 	docstring name() const;
 	///
 	bool extraBraces() const;
-
 	///
 	void write(WriteStream & os) const;
 	///
@@ -80,91 +90,40 @@ public:
 	///
 	void mathmlize(MathStream &) const;
 	///
-	void validate(LaTeXFeatures & features) const;
-public:
-	Inset * clone() const;
-	///
-	Kind kind_;
-};
-
-
-/// \dfrac support
-class InsetMathDFrac : public InsetMathFrac {
-public:
-	///
-	InsetMathDFrac() {}
-	///
-	void metrics(MetricsInfo & mi, Dimension & dim) const;
-	///
-	void draw(PainterInfo &, int x, int y) const;
-	///
-	docstring name() const;
-	///
-	void mathmlize(MathStream &) const;
+	void htmlize(HtmlStream &) const;
 	///
 	void validate(LaTeXFeatures & features) const;
 private:
-	Inset * clone() const;
-};
-
-
-/// \tfrac support
-class InsetMathTFrac : public InsetMathFrac {
-public:
-	///
-	InsetMathTFrac() {}
+	/// vertical displacement
+	int dy(FontInfo & fi) const;
 	///
-	void metrics(MetricsInfo & mi, Dimension & dim) const;
-	///
-	void draw(PainterInfo &, int x, int y) const;
-	///
-	docstring name() const;
-	///
-	void mathmlize(MathStream &) const;
-	///
-	void validate(LaTeXFeatures & features) const;
-private:
 	Inset * clone() const;
-};
-
-
-/// \cfrac support
-class InsetMathCFrac : public InsetMathFrac {
-public:
-	///
-	InsetMathCFrac() {}
-	///
-	void metrics(MetricsInfo & mi, Dimension & dim) const;
-	///
-	void draw(PainterInfo &, int x, int y) const;
-	///
-	docstring name() const;
 	///
-	void mathmlize(MathStream &) const;
-	///
-	void validate(LaTeXFeatures & features) const;
-private:
-	Inset * clone() const;
+	Kind kind_;
 };
 
 
+
 /// Binom like objects
 class InsetMathBinom : public InsetMathFracBase {
 public:
 	///
 	enum Kind {
 		BINOM,
+		DBINOM,
+		TBINOM,
 		CHOOSE,
 		BRACE,
 		BRACK
 	};
-
 	///
-	explicit InsetMathBinom(Kind kind = BINOM);
+	explicit InsetMathBinom(Buffer * buf, Kind kind = BINOM);
 	///
 	void write(WriteStream & os) const;
 	///
 	void normalize(NormalStream &) const;
+	/// Generalized fractions are of inner class (see The TeXbook, p.292)
+	MathClass mathClass() const { return MC_INNER; }
 	///
 	void metrics(MetricsInfo & mi, Dimension & dim) const;
 	///
@@ -175,60 +134,23 @@ public:
 	///
 	bool extraBraces() const;
 	///
-	void validate(LaTeXFeatures & features) const;
-private:
-	Inset * clone() const;
-	///
-	int dw(int height) const;
-	///
-	Kind kind_;
-};
-
-
-/// \dbinom support
-class InsetMathDBinom : public InsetMathFracBase {
-public:
-	///
-	InsetMathDBinom() {}
-	///
-	void metrics(MetricsInfo & mi, Dimension & dim) const;
-	///
-	void draw(PainterInfo &, int x, int y) const;
-	///
-	docstring name() const;
-	///
 	void mathmlize(MathStream &) const;
 	///
-	void validate(LaTeXFeatures & features) const;
-private:
-	Inset * clone() const;
-	///
-	int dw(int height) const;
-};
-
-
-/// \tbinom support
-class InsetMathTBinom : public InsetMathFracBase {
-public:
-	///
-	InsetMathTBinom() {}
-	///
-	void metrics(MetricsInfo & mi, Dimension & dim) const;
-	///
-	void draw(PainterInfo &, int x, int y) const;
-	///
-	docstring name() const;
-	///
-	void mathmlize(MathStream &) const;
+	void htmlize(HtmlStream &) const;
 	///
 	void validate(LaTeXFeatures & features) const;
+	///
+	InsetCode lyxCode() const { return MATH_FRAC_CODE; }
 private:
 	Inset * clone() const;
 	///
 	int dw(int height) const;
+	///
+	Kind kind_;
 };
 
 
+
 } // namespace lyx
 
 #endif