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cd95a4bae8
This is the final patch (at least for now). This one deals with the idxFoo methods in the math insets. The previous patches in the series are r21128, r21244 and r21448. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21449 a592a061-630c-0410-9148-cb99ea01b6c8
144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
// -*- C++ -*-
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/**
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* \file InsetMathScript.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef MATH_SCRIPTINSET_H
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#define MATH_SCRIPTINSET_H
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#include "InsetMathNest.h"
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namespace lyx {
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// An inset for super- and subscripts or both. The 'nucleus' is always
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// cell 0. If there is just one script, it's cell 1 and cell_1_is_up_
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// is set accordingly. If both are used, cell 1 is up and cell 2 is down.
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class InsetMathScript : public InsetMathNest {
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public:
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/// create inset without scripts
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InsetMathScript();
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/// create inset with single script
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explicit InsetMathScript(bool up);
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/// create inset with single script and given nucleus
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InsetMathScript(MathAtom const & at, bool up);
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///
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mode_type currentMode() const { return MATH_MODE; }
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///
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void metrics(MetricsInfo & mi, Dimension & dim) const;
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///
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void draw(PainterInfo & pi, int x, int y) const;
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///
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void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
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///
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void drawT(TextPainter & pi, int x, int y) const;
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/// move cursor backwards
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bool idxBackward(Cursor & cur) const;
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/// move cursor forward
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bool idxForward(Cursor & cur) const;
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/// move cursor up or down
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bool idxUpDown(Cursor & cur, bool up) const;
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/// Target pos when we enter the inset while moving forward
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bool idxFirst(Cursor & cur) const;
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/// Target pos when we enter the inset while moving backwards
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bool idxLast(Cursor & cur) const;
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/// write LaTeX and Lyx code
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void write(WriteStream & os) const;
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/// write normalized content
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void normalize(NormalStream &) const;
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/// write content as something readable by Maple
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void maple(MapleStream &) const;
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/// write content as something readable by Mathematica
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void mathematica(MathematicaStream &) const;
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/// write content as something resembling MathML
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void mathmlize(MathStream &) const;
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/// write content as something readable by Octave
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void octave(OctaveStream &) const;
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/// identifies scriptinsets
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InsetMathScript const * asScriptInset() const;
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///
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InsetMathScript * 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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/// returns subscript. Always run 'hasDown' or 'has(false)' before!
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MathData const & down() const;
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/// returns subscript. Always run 'hasDown' or 'has(false)' before!
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MathData & down();
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/// returns superscript. Always run 'hasUp' or 'has(true)' before!
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MathData const & up() const;
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/// returns superscript. Always run 'hasUp' or 'has(true)' before!
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MathData & up();
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/// returns nucleus
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MathData const & nuc() const;
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/// returns nucleus
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MathData & nuc();
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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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/// what idx has super/subscript?
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idx_type idxOfScript(bool up) const;
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/// remove script
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void removeScript(bool up);
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/// make sure a script is accessible
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void ensure(bool up);
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/// say that we have scripts
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void infoize(odocstream & os) const;
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/// say whether we have displayed limits
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void infoize2(odocstream & os) const;
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protected:
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virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
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private:
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virtual Inset * clone() const;
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/// returns x offset for main part
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int dxx(BufferView const & bv) const;
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/// returns width of nucleus if any
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int nwid(BufferView const &) const;
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/// returns y offset for either superscript or subscript
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int dy01(BufferView const &, int asc, int des, int what) const;
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/// returns y offset for superscript
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int dy0(BufferView const &) const;
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/// returns y offset for subscript
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int dy1(BufferView const &) const;
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/// returns x offset for superscript
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int dx0(BufferView const & bv) const;
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/// returns x offset for subscript
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int dx1(BufferView const & bv) const;
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/// returns ascent of nucleus if any
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int nasc(BufferView const &) const;
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/// returns descent of nucleus if any
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int ndes(BufferView const &) const;
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/// returns superscript kerning of nucleus if any
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int nker() const;
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/// where do we have to draw the scripts?
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bool hasLimits() const;
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/// clean up empty cells and return true if a cell has been deleted.
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bool notifyCursorLeaves(Cursor & cur);
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/// possible subscript (index 0) and superscript (index 1)
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bool cell_1_is_up_;
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/// 1 - "limits", -1 - "nolimits", 0 - "default"
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int limits_;
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};
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} // namespace lyx
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#endif
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