put \frac style stuff into a single unit. -161477.

[features.git] / src / mathed / InsetMathFrac.h

diff --git a/src/mathed/InsetMathFrac.h b/src/mathed/InsetMathFrac.h
index 5eb15d193d8d80afbc4149d13c074d83a29a8fa1..b5e99e82d77e91bb78553ecb8cdee5e9328fb4c4 100644 (file)
--- a/src/mathed/InsetMathFrac.h
+++ b/src/mathed/InsetMathFrac.h
@@ -10,15 +10,29 @@
  * 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:
+       ///
+       explicit InsetMathFracBase(idx_type ncells = 2);
+       ///
+       bool idxUpDown(Cursor &, bool up) const;
+       ///
+       bool idxLeft(Cursor &) const { return false; }
+       ///
+       bool idxRight(Cursor &) const { return false; }
+};
+
+
+
 /// Fraction like objects (frac, binom)
 class InsetMathFrac : public InsetMathFracBase {
 public:
@@ -68,12 +82,79 @@ public:
        ///
        void validate(LaTeXFeatures & features) const;
 public:
-       virtual Inset * clone() const;
+       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 validate(LaTeXFeatures & features) const;
+private:
+       Inset * clone() const;
+};
+
+
+/// \tfrac support
+class InsetMathTFrac : public InsetMathFrac {
+public:
+       ///
+       InsetMathTFrac() {}
+       ///
+       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;
+};
+
+
+/// Binom like objects
+class InsetMathBinom : public InsetMathFracBase {
+public:
+       ///
+       explicit InsetMathBinom(bool choose = false);
+       ///
+       void write(WriteStream & os) const;
+       ///
+       void normalize(NormalStream &) const;
+       ///
+       void metrics(MetricsInfo & mi, Dimension & dim) const;
+       ///
+       void draw(PainterInfo &, int x, int y) const;
+       /// draw decorations.
+       void drawDecoration(PainterInfo & pi, int x, int y) const
+       { drawMarkers2(pi, x, y); }
+       ///
+       bool extraBraces() const;
+private:
+       Inset * clone() const;
+       ///
+       int dw(int height) const;
+       ///
+       bool choose_;
+};
+
 
 } // namespace lyx
+
 #endif