4 * Purpose: Declaration of formula inset
5 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
6 * Created: January 1996
7 * Description: Allows the edition of math paragraphs inside Lyx.
9 * Copyright: 1996, Alejandro Aguilar Sierra
11 * Version: 0.4, Lyx project.
13 * You are free to use and modify this code under the terms of
14 * the GNU General Public Licence version 2 or later.
17 #ifndef INSET_FORMULA_H
18 #define INSET_FORMULA_H
24 #include "formulabase.h"
25 #include "math_atom.h"
27 #include <boost/scoped_ptr.hpp>
30 class InsetFormula : public InsetFormulaBase {
35 explicit InsetFormula(BufferView *);
37 explicit InsetFormula(const string & data);
39 InsetFormula(InsetFormula const &);
43 int ascent(BufferView *, LyXFont const &) const;
45 int descent(BufferView *, LyXFont const &) const;
47 int width(BufferView *, LyXFont const &) const;
49 void draw(BufferView *, LyXFont const &, int, float &, bool) const;
52 void write(Buffer const *, std::ostream &) const;
54 void read(Buffer const *, LyXLex & lex);
56 int latex(Buffer const *, std::ostream &, bool fragile, bool free_spc) const;
58 int ascii(Buffer const *, std::ostream &, int linelen) const;
60 int linuxdoc(Buffer const *, std::ostream &) const;
62 int docbook(Buffer const *, std::ostream &, bool mixcont) const;
65 Inset * clone(Buffer const &, bool same_id = false) const;
67 void validate(LaTeXFeatures & features) const;
69 Inset::Code lyxCode() const;
71 bool insetAllowed(Inset::Code code) const;
73 std::vector<string> const getLabelList() const;
75 MathAtom const & par() const { return par_; }
77 MathAtom & par() { return par_; }
79 void generatePreview() const;
81 void addPreview(grfx::PreviewLoader &) const;
83 //void mutate(string const & type);
86 /// available in AMS only?
92 /// Use the Pimpl idiom to hide the internals of the previewer.
94 friend class PreviewImpl;
95 /// The pointer never changes although *preview_'s contents may.
96 boost::scoped_ptr<PreviewImpl> const preview_;