mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-16 07:55:41 +00:00
7b7ed64a0e
In particular, introduce the new InsetMathScript::allowLimits method that checks for that and honor it in getStatus/ddoDispatch.
158 lines
4.9 KiB
C++
158 lines
4.9 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file InsetMathScript.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author André Pönitz
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#ifndef MATH_SCRIPTINSET_H
|
|
#define MATH_SCRIPTINSET_H
|
|
|
|
#include "InsetMathNest.h"
|
|
|
|
|
|
namespace lyx {
|
|
|
|
|
|
// An inset for super- and subscripts or both. The 'nucleus' is always
|
|
// cell 0. If there is just one script, it's cell 1 and cell_1_is_up_
|
|
// is set accordingly. If both are used, cell 1 is up and cell 2 is down.
|
|
|
|
class InsetMathScript : public InsetMathNest {
|
|
public:
|
|
/// create inset without scripts
|
|
InsetMathScript(Buffer * buf);
|
|
/// create inset with single script
|
|
explicit InsetMathScript(Buffer * buf, bool up);
|
|
/// create inset with single script and given nucleus
|
|
InsetMathScript(Buffer * buf, MathAtom const & at, bool up);
|
|
///
|
|
mode_type currentMode() const { return MATH_MODE; }
|
|
///
|
|
MathClass mathClass() const;
|
|
///
|
|
void metrics(MetricsInfo & mi, Dimension & dim) const;
|
|
///
|
|
void draw(PainterInfo & pi, int x, int y) const;
|
|
///
|
|
void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
|
|
///
|
|
void drawT(TextPainter & pi, int x, int y) const;
|
|
|
|
/// move cursor backwards
|
|
bool idxBackward(Cursor & cur) const;
|
|
/// move cursor forward
|
|
bool idxForward(Cursor & cur) const;
|
|
/// move cursor up or down
|
|
bool idxUpDown(Cursor & cur, bool up) const;
|
|
/// The index of the cell entered while moving backward
|
|
size_type lastIdx() const { return 0; }
|
|
|
|
/// write LaTeX and Lyx code
|
|
void write(WriteStream & os) const;
|
|
/// write normalized content
|
|
void normalize(NormalStream &) const;
|
|
/// write content as something readable by Maple
|
|
void maple(MapleStream &) const;
|
|
/// write content as something readable by Mathematica
|
|
void mathematica(MathematicaStream &) const;
|
|
/// write content as MathML
|
|
void mathmlize(MathStream &) const;
|
|
/// write content as HTML
|
|
void htmlize(HtmlStream &) const;
|
|
/// write content as something readable by Octave
|
|
void octave(OctaveStream &) const;
|
|
|
|
/// identifies scriptinsets
|
|
InsetMathScript const * asScriptInset() const;
|
|
///
|
|
InsetMathScript * asScriptInset();
|
|
|
|
/// set limits
|
|
void limits(int lim) { limits_ = lim; }
|
|
/// get limits
|
|
int limits() const { return limits_; }
|
|
/// returns subscript. Always run 'hasDown' or 'has(false)' before!
|
|
MathData const & down() const;
|
|
/// returns subscript. Always run 'hasDown' or 'has(false)' before!
|
|
MathData & down();
|
|
/// returns superscript. Always run 'hasUp' or 'has(true)' before!
|
|
MathData const & up() const;
|
|
/// returns superscript. Always run 'hasUp' or 'has(true)' before!
|
|
MathData & up();
|
|
/// returns nucleus
|
|
MathData const & nuc() const;
|
|
/// returns nucleus
|
|
MathData & nuc();
|
|
/// 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;
|
|
/// what idx has super/subscript?
|
|
idx_type idxOfScript(bool up) const;
|
|
/// remove script
|
|
void removeScript(bool up);
|
|
/// make sure a script is accessible
|
|
void ensure(bool up);
|
|
/// say that we have scripts
|
|
void infoize(odocstream & os) const;
|
|
/// say whether we have displayed limits
|
|
void infoize2(odocstream & os) const;
|
|
///
|
|
InsetCode lyxCode() const { return MATH_SCRIPT_CODE; }
|
|
///
|
|
void validate(LaTeXFeatures &features) const;
|
|
protected:
|
|
virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
|
|
/// do we want to handle this event?
|
|
bool getStatus(Cursor & cur, FuncRequest const & cmd,
|
|
FuncStatus & status) const;
|
|
private:
|
|
virtual Inset * clone() const;
|
|
/// returns x offset for main part
|
|
int dxx(BufferView const & bv) const;
|
|
/// returns width of nucleus if any
|
|
int nwid(BufferView const &) const;
|
|
/// returns y offset for either superscript or subscript
|
|
int dy01(BufferView const &, int asc, int des, int what) const;
|
|
/// returns y offset for superscript
|
|
int dy0(BufferView const &) const;
|
|
/// returns y offset for subscript
|
|
int dy1(BufferView const &) const;
|
|
/// returns x offset for superscript
|
|
int dx0(BufferView const & bv) const;
|
|
/// returns x offset for subscript
|
|
int dx1(BufferView const & bv) const;
|
|
/// returns ascent of nucleus if any
|
|
int nasc(BufferView const &) const;
|
|
/// returns descent of nucleus if any
|
|
int ndes(BufferView const &) const;
|
|
/// Italic correction: amount of displacement between subscript and
|
|
/// superscript in math mode as per Appendix G, rule 18f. A positive value
|
|
/// shifts the superscript to the right, and a negative value shifts the
|
|
/// subscript to the left.
|
|
int nker(BufferView const * bv) const;
|
|
/// can one change how scripts are drawn?
|
|
bool allowsLimits() const;
|
|
/// where do we have to draw the scripts?
|
|
bool hasLimits() const;
|
|
/// clean up empty cells and return true if a cell has been deleted.
|
|
bool notifyCursorLeaves(Cursor const & old, Cursor & cur);
|
|
|
|
/// possible subscript (index 0) and superscript (index 1)
|
|
bool cell_1_is_up_;
|
|
/// 1 - "limits", -1 - "nolimits", 0 - "default"
|
|
int limits_;
|
|
};
|
|
|
|
|
|
} // namespace lyx
|
|
|
|
#endif
|