3 * \file InsetMathFrac.h
4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Alejandro Aguilar Sierra
11 * Full author contact details are available in file CREDITS.
17 #include "InsetMathNest.h"
23 class InsetMathFracBase : public InsetMathNest {
26 InsetMathFracBase(Buffer * buf, idx_type ncells = 2);
28 bool idxUpDown(Cursor &, bool up) const;
30 bool idxBackward(Cursor &) const { return false; }
32 bool idxForward(Cursor &) const { return false; }
37 /// Fraction like objects (frac, binom)
38 class InsetMathFrac : public InsetMathFracBase {
55 explicit InsetMathFrac(Buffer * buf, Kind kind = FRAC, idx_type ncells = 2);
57 bool idxForward(Cursor &) const;
59 bool idxBackward(Cursor &) const;
61 void metrics(MetricsInfo & mi, Dimension & dim) const;
63 void draw(PainterInfo &, int x, int y) const;
65 void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
67 void drawT(TextPainter &, int x, int y) const;
68 /// identifies FracInsets
69 InsetMathFrac * asFracInset();
70 /// identifies FracInsets
71 InsetMathFrac const * asFracInset() const;
73 docstring name() const;
75 bool extraBraces() const;
77 void write(WriteStream & os) const;
79 void maple(MapleStream &) const;
81 void mathematica(MathematicaStream &) const;
83 void octave(OctaveStream &) const;
85 void mathmlize(MathStream &) const;
87 void validate(LaTeXFeatures & features) const;
89 Inset * clone() const;
96 /// Binom like objects
97 class InsetMathBinom : public InsetMathFracBase {
109 explicit InsetMathBinom(Buffer * buf, Kind kind = BINOM);
111 void write(WriteStream & os) const;
113 void normalize(NormalStream &) const;
115 void metrics(MetricsInfo & mi, Dimension & dim) const;
117 void draw(PainterInfo &, int x, int y) const;
118 /// draw decorations.
119 void drawDecoration(PainterInfo & pi, int x, int y) const
120 { drawMarkers2(pi, x, y); }
122 bool extraBraces() const;
124 void mathmlize(MathStream &) const;
126 void validate(LaTeXFeatures & features) const;
128 InsetCode lyxCode() const { return MATH_FRAC_CODE; }
130 Inset * clone() const;
132 int dw(int height) const;