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277e305082
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3794 a592a061-630c-0410-9148-cb99ea01b6c8
129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
// -*- C++ -*-
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#ifndef MATH_SCRIPTINSET_H
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#define MATH_SCRIPTINSET_H
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#include "math_nestinset.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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/** Inset for super- and subscripts
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\author André Pönitz
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*/
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class MathScriptInset : public MathNestInset {
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public:
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/// create inset without scripts
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MathScriptInset();
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/// create inset with single script
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explicit MathScriptInset(bool up);
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///
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MathInset * clone() const;
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///
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void write(WriteStream & os) const;
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///
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void normalize(NormalStream & os) const;
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///
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void metrics(MathMetricsInfo const & st) const;
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///
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void draw(Painter &, int x, int y) const;
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///
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void metricsT(TextMetricsInfo const & st) const;
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///
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void drawT(TextPainter &, int x, int y) const;
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///
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void metrics(MathInset const * nuc, MathMetricsInfo const & st) const;
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///
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void draw(MathInset const * nuc, Painter &, int x, int y) const;
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///
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void metricsT(MathInset const * nuc, TextMetricsInfo const & st) const;
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///
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void drawT(MathInset const * nuc, TextPainter &, int x, int y) const;
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///
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int ascent2(MathInset const * nuc) const;
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///
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int descent2(MathInset const * nuc) const;
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///
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int width2(MathInset const * nuc) const;
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///
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bool idxLeft(idx_type &, pos_type &) const;
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///
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bool idxRight(idx_type &, pos_type &) const;
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/// can we enter this cell?
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bool validCell(idx_type i) const { return script_[i]; }
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/// identifies scriptinsets
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MathScriptInset const * asScriptInset() const;
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///
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MathScriptInset * asScriptInset();
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/// set limits
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void limits(int lim) { limits_ = lim; }
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/// get limits
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int limits() const { return limits_; }
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/// true if we have an "inner" position
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MathXArray const & up() const;
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/// returns subscript
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MathXArray const & down() const;
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/// returns superscript
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MathXArray & up();
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/// returns subscript
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MathXArray & down();
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/// do we have a superscript?
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bool hasUp() const;
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/// do we have a subscript?
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bool hasDown() const;
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/// do we have a script?
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bool has(bool up) const;
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/// do we have a anything?
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bool empty() const;
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/// remove script
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void removeScript(bool up);
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/// remove script
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void removeEmptyScripts();
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/// make sure a script is accessible
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void ensure(bool up);
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// call these methods ...2 to make compaq cxx in anal mode happy...
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/// suppresses empty braces if necessary
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virtual void write2(MathInset const * nuc, WriteStream & os) const;
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virtual void normalize2(MathInset const * nuc, NormalStream & os) const;
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virtual void octavize2(MathInset const * nuc, OctaveStream & os) const;
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virtual void maplize2(MathInset const * nuc, MapleStream & os) const;
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virtual void mathmlize2(MathInset const * nuc, MathMLStream & os) const;
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public:
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/// returns x offset for main part
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int dxx(MathInset const * nuc) const;
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/// returns width of nucleus if any
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int nwid(MathInset const * nuc) const;
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private:
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/// returns y offset for superscript
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int dy0(MathInset const * nuc) const;
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/// returns y offset for subscript
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int dy1(MathInset const * nuc) const;
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/// returns x offset for superscript
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int dx0(MathInset const * nuc) const;
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/// returns x offset for subscript
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int dx1(MathInset const * nuc) const;
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/// returns ascent of nucleus if any
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int nasc(MathInset const * nuc) const;
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/// returns descent of nucleus if any
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int ndes(MathInset const * nuc) const;
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/// where do we have to draw the scripts?
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bool hasLimits(MathInset const * nuc) const;
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/// possible subscript (index 0) and superscript (index 1)
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bool script_[2];
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/// 1 - "limits", -1 - "nolimits", 0 - "default"
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int limits_;
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/// cached font
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mutable LyXFont font_;
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};
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#endif
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