// -*- C++ -*-
/*
* File: formula.h
* Purpose: Declaration of formula inset
* Author: Alejandro Aguilar Sierra <[email protected]>
* Created: January 1996
* Description: Allows the edition of math paragraphs inside Lyx.
*
* Copyright: (c) 1996, Alejandro Aguilar Sierra
*
* Version: 0.4, Lyx project.
*
* You are free to use and modify this code under the terms of
* the GNU General Public Licence version 2 or later.
*/
#ifndef _INSET_FORMULA_H
#define _INSET_FORMULA_H
#ifdef __GNUG__
#pragma interface
#endif
#include "definitions.h"
#include "lyxinset.h"
class MathParInset;
class MathedCursor;
///
class InsetFormula: public UpdatableInset {
public:
///
InsetFormula(bool display=false);
///
InsetFormula(MathParInset*);
///
~InsetFormula();
///
int Ascent(LyXFont const &font) const;
///
int Descent(LyXFont const &font) const;
///
int Width(LyXFont const &font) const;
///
void Draw(LyXFont font, LyXScreen &scr, int baseline, float &x);
///
void Write(FILE *file);
///
void Read(LyXLex &lex);
///
int Latex(FILE *file, signed char fragile);
///
int Latex(LString &file, signed char fragile);
///
int Linuxdoc(LString &file);
///
void Validate(LaTeXFeatures &) const;
///
Inset* Clone();
///
Inset::Code LyxCode() const { return Inset::MATH_CODE; }
///
LyXFont ConvertFont(LyXFont font) {
// We have already discussed what was here
font.setLatex(LyXFont::OFF);
return font;
}
/// what appears in the minibuffer when opening
char const* EditMessage() {return _("Math editor mode");}
///
void Edit(int x, int y);
///
bool Display() const { return (disp_flag) ? true: false; }
///
void SetDisplay(bool);
///
void ToggleInsetCursor();
///
void ShowInsetCursor();
///
void HideInsetCursor();
///
void GetCursorPos(int&, int&);
///
void ToggleInsetSelection();
///
void InsetButtonPress(int x, int y, int button);
///
void InsetButtonRelease(int x, int y, int button);
///
void InsetKeyPress(XKeyEvent *ev);
///
void InsetMotionNotify(int x, int y, int state);
///
void InsetUnlock();
/// To allow transparent use of math editing functions
virtual bool LocalDispatch(int, char const*);
///
void InsertSymbol(char const*);
///
bool SetNumber(bool);
///
int GetNumberOfLabels() const;
///
LString getLabel(int) const;
protected:
void UpdateLocal();
MathParInset* par;
static MathedCursor* mathcursor;
private:
bool disp_flag;
//char *label;
LString label;
};
// If a mathinset exist at cursor pos, just lock it.
// Otherwise create a new one, and lock it.
bool OpenMathInset(Buffer *);
#endif
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