2 #ifndef MATH_SCRIPTINSET_H
3 #define MATH_SCRIPTINSET_H
5 #include "math_nestinset.h"
11 /** Inset for super- and subscripts
15 class MathScriptInset : public MathNestInset {
17 /// create inset without scripts
19 /// create inset with single script
20 explicit MathScriptInset(bool up);
22 MathInset * clone() const;
24 void write(WriteStream & os) const;
26 void normalize(NormalStream & os) const;
28 void metrics(MathMetricsInfo & st) const;
30 void draw(MathPainterInfo &, int x, int y) const;
32 void metricsT(TextMetricsInfo const & st) const;
34 void drawT(TextPainter &, int x, int y) const;
37 void metrics(MathInset const * nuc, MathMetricsInfo & st) const;
39 void draw(MathInset const * nuc, MathPainterInfo &, int x, int y) const;
41 void metricsT(MathInset const * nuc, TextMetricsInfo const & st) const;
43 void drawT(MathInset const * nuc, TextPainter &, int x, int y) const;
45 int ascent2(MathInset const * nuc) const;
47 int descent2(MathInset const * nuc) const;
49 int width2(MathInset const * nuc) const;
52 bool idxLeft(idx_type &, pos_type &) const;
54 bool idxRight(idx_type &, pos_type &) const;
55 /// can we enter this cell?
56 bool validCell(idx_type i) const { return script_[i]; }
58 /// identifies scriptinsets
59 MathScriptInset const * asScriptInset() const;
61 MathScriptInset * asScriptInset();
64 void limits(int lim) { limits_ = lim; }
66 int limits() const { return limits_; }
67 /// true if we have an "inner" position
68 MathXArray const & up() const;
70 MathXArray const & down() const;
71 /// returns superscript
75 /// do we have a superscript?
77 /// do we have a subscript?
79 /// do we have a script?
80 bool has(bool up) const;
81 /// do we have a anything?
84 void removeScript(bool up);
86 void removeEmptyScripts();
87 /// make sure a script is accessible
90 // call these methods ...2 to make compaq cxx in anal mode happy...
91 /// suppresses empty braces if necessary
92 virtual void write2(MathInset const * nuc, WriteStream & os) const;
93 virtual void normalize2(MathInset const * nuc, NormalStream & os) const;
94 virtual void octavize2(MathInset const * nuc, OctaveStream & os) const;
95 virtual void maplize2(MathInset const * nuc, MapleStream & os) const;
96 virtual void mathematicize2(MathInset const * nuc, MathematicaStream & os) const;
97 virtual void mathmlize2(MathInset const * nuc, MathMLStream & os) const;
100 /// returns x offset for main part
101 int dxx(MathInset const * nuc) const;
102 /// returns width of nucleus if any
103 int nwid(MathInset const * nuc) const;
105 /// returns y offset for superscript
106 int dy0(MathInset const * nuc) const;
107 /// returns y offset for subscript
108 int dy1(MathInset const * nuc) const;
109 /// returns x offset for superscript
110 int dx0(MathInset const * nuc) const;
111 /// returns x offset for subscript
112 int dx1(MathInset const * nuc) const;
113 /// returns ascent of nucleus if any
114 int nasc(MathInset const * nuc) const;
115 /// returns descent of nucleus if any
116 int ndes(MathInset const * nuc) const;
117 /// where do we have to draw the scripts?
118 bool hasLimits(MathInset const * nuc) const;
120 /// possible subscript (index 0) and superscript (index 1)
122 /// 1 - "limits", -1 - "nolimits", 0 - "default"
125 mutable LyXFont font_;