mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-04 22:32:19 +00:00
157 lines
3.3 KiB
C++
157 lines
3.3 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file InsetMathFrac.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author Alejandro Aguilar Sierra
|
|
* \author André Pönitz
|
|
* \author Uwe Stöhr
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#ifndef MATH_FRAC_H
|
|
#define MATH_FRAC_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
|
|
};
|
|
///
|
|
explicit InsetMathFrac(Buffer * buf, Kind kind = FRAC, idx_type ncells = 2);
|
|
///
|
|
bool idxForward(Cursor &) const override;
|
|
///
|
|
bool idxBackward(Cursor &) const override;
|
|
///
|
|
MathClass mathClass() const override;
|
|
///
|
|
void metrics(MetricsInfo & mi, Dimension & dim) const override;
|
|
///
|
|
void draw(PainterInfo &, int x, int y) const override;
|
|
///
|
|
void metricsT(TextMetricsInfo const & mi, Dimension & dim) const override;
|
|
///
|
|
void drawT(TextPainter &, int x, int y) const override;
|
|
/// identifies FracInsets
|
|
InsetMathFrac * asFracInset() override;
|
|
/// identifies FracInsets
|
|
InsetMathFrac const * asFracInset() const override;
|
|
///
|
|
docstring name() const override;
|
|
///
|
|
bool extraBraces() const override;
|
|
///
|
|
void write(TeXMathStream & os) const override;
|
|
///
|
|
void maple(MapleStream &) const override;
|
|
///
|
|
void mathematica(MathematicaStream &) const override;
|
|
///
|
|
void octave(OctaveStream &) const override;
|
|
///
|
|
void mathmlize(MathMLStream &) const override;
|
|
///
|
|
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:
|
|
///
|
|
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
|