lyx_mirror/src/mathed/math_scriptinset.h
Lars Gullik Bjønnes 2b8ef58dc0 ws cleanup
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3804 a592a061-630c-0410-9148-cb99ea01b6c8
2002-03-21 17:42:56 +00:00

128 lines
3.5 KiB
C++

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