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 const & st) const;
30 void draw(Painter &, int x, int y) const;
33 void metrics(MathInset const * nuc, MathMetricsInfo const & st) const;
35 void draw(MathInset const * nuc, Painter &, int x, int y) const;
37 int ascent(MathInset const * nuc) const;
39 int descent(MathInset const * nuc) const;
41 int width(MathInset const * nuc) const;
44 bool idxLeft(idx_type &, pos_type &) const;
46 bool idxRight(idx_type &, pos_type &) const;
48 bool idxFirstUp(idx_type &, pos_type &) const;
50 bool idxFirstDown(idx_type &, pos_type &) const;
52 bool idxLastUp(idx_type &, pos_type &) const;
54 bool idxLastDown(idx_type &, pos_type &) const;
56 /// identifies scriptinsets
57 MathScriptInset const * asScriptInset() const;
59 MathScriptInset * asScriptInset();
62 void limits(int lim) { limits_ = lim; }
64 int limits() const { return limits_; }
65 /// true if we have an "inner" position
66 MathXArray const & up() const;
68 MathXArray const & down() const;
69 /// returns superscript
73 /// do we have a superscript?
75 /// do we have a subscript?
77 /// do we have a script?
78 bool has(bool up) const;
80 void removeScript(bool up);
82 void removeEmptyScripts();
83 /// make sure a script is accessible
86 // call these methods ...2 to make compaq cxx in anal mode happy...
87 /// suppresses empty braces if necessary
88 virtual void write2(MathInset const * nuc, WriteStream & os) const;
89 virtual void normalize2(MathInset const * nuc, NormalStream & os) const;
90 virtual void octavize2(MathInset const * nuc, OctaveStream & os) const;
91 virtual void maplize2(MathInset const * nuc, MapleStream & os) const;
92 virtual void mathmlize2(MathInset const * nuc, MathMLStream & os) const;
95 /// returns x offset for main part
96 int dxx(MathInset const * nuc) const;
97 /// returns width of nucleus if any
98 int nwid(MathInset const * nuc) const;
100 /// returns y offset for superscript
101 int dy0(MathInset const * nuc) const;
102 /// returns y offset for subscript
103 int dy1(MathInset const * nuc) const;
104 /// returns x offset for superscript
105 int dx0(MathInset const * nuc) const;
106 /// returns x offset for subscript
107 int dx1(MathInset const * nuc) const;
108 /// returns ascent of nucleus if any
109 int nasc(MathInset const * nuc) const;
110 /// returns descent of nucleus if any
111 int ndes(MathInset const * nuc) const;
112 /// where do we have to draw the scripts?
113 bool hasLimits(MathInset const * nuc) const;
115 /// possible subscript (index 0) and superscript (index 1)
117 /// 1 - "limits", -1 - "nolimits", 0 - "default"
119 /// cached MathMetricsInfo
120 mutable MathMetricsInfo mi_;