* 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.
*/
class InsetMathFracBase : public InsetMathNest {
public:
///
- explicit InsetMathFracBase(idx_type ncells = 2);
+ InsetMathFracBase(Buffer * buf, idx_type ncells = 2);
+ ///
+ marker_type marker(BufferView const *) const { return MARKER2; }
///
bool idxUpDown(Cursor &, bool up) const;
///
- bool idxLeft(Cursor &) const { return false; }
+ bool idxBackward(Cursor &) const { return false; }
+ ///
+ bool idxForward(Cursor &) const { return false; }
///
- bool idxRight(Cursor &) const { return false; }
+ InsetMathFracBase * asFracBaseInset() { return this; }
+ ///
+ InsetMathFracBase const * asFracBaseInset() const { return this; }
};
///
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 idxRight(Cursor &) const;
+ bool idxForward(Cursor &) const;
///
- bool idxLeft(Cursor &) const;
+ bool idxBackward(Cursor &) const;
+ ///
+ MathClass mathClass() const;
///
void metrics(MetricsInfo & mi, Dimension & dim) const;
///
docstring name() const;
///
bool extraBraces() const;
-
///
void write(WriteStream & os) const;
///
///
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() {}
- ///
- void metrics(MetricsInfo & mi, Dimension & dim) const;
- ///
- void draw(PainterInfo &, int x, int y) const;
+ /// vertical displacement
+ int dy(FontInfo & fi) 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:
///
- explicit InsetMathBinom(bool choose = false);
+ enum Kind {
+ BINOM,
+ DBINOM,
+ TBINOM,
+ CHOOSE,
+ BRACE,
+ BRACK
+ };
+ ///
+ 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;
///
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;
+ ///
+ 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;
///
- bool choose_;
+ Kind kind_;
};
+
} // namespace lyx
#endif