* 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
+ NICEFRAC,
+ UNITFRAC,
+ UNIT
};
-
///
- explicit InsetMathFrac(Kind kind = FRAC);
+ explicit InsetMathFrac(Buffer * buf, Kind kind = FRAC, idx_type ncells = 2);
+ ///
+ bool idxForward(Cursor &) const override;
+ ///
+ bool idxBackward(Cursor &) const override;
///
- void 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;
///
- std::string name() const;
+ docstring name() const override;
///
- bool extraBraces() const;
-
+ bool extraBraces() const override;
+ ///
+ void write(TeXMathStream & os) const override;
+ ///
+ void maple(MapleStream &) const override;
+ ///
+ void mathematica(MathematicaStream &) const override;
///
- void write(WriteStream & os) const;
+ void octave(OctaveStream &) const override;
///
- void maple(MapleStream &) const;
+ void mathmlize(MathMLStream &) const override;
///
- void mathematica(MathematicaStream &) const;
+ void htmlize(HtmlStream &) const override;
///
- void octave(OctaveStream &) const;
+ void validate(LaTeXFeatures & features) const override;
+private:
+ /// vertical displacement
+ int dy(FontInfo & fi) const;
///
- void mathmlize(MathMLStream &) const;
+ Inset * clone() const override;
///
- void validate(LaTeXFeatures & features) const;
+ Kind kind_;
+};
+
+
+
+/// Binom like objects
+class InsetMathBinom : public InsetMathFracBase {
public:
- virtual std::auto_ptr<InsetBase> doClone() 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_;
};
} // namespace lyx
+
#endif