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47b341b996
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1954 a592a061-630c-0410-9148-cb99ea01b6c8
123 lines
2.8 KiB
C++
123 lines
2.8 KiB
C++
// -*- C++ -*-
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/*
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* File: math_inset.h
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* Purpose: Declaration of insets for mathed
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* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
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* Created: January 1996
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* Description: Math paragraph and objects for a WYSIWYG math editor.
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*
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* Dependencies: Xlib, XForms
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*
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* Copyright: 1996, 1997 Alejandro Aguilar Sierra
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*
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* Version: 0.8beta, Mathed & Lyx project.
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*
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* You are free to use and modify this code under the terms of
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* the GNU General Public Licence version 2 or later.
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*/
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// Note: These math insets are internal to Mathed and are not derived
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// from lyx inset.
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#ifndef MATH_INSET
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#define MATH_INSET
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "LString.h"
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#include "symbol_def.h"
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class Painter;
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class MathMacro;
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/** Abstract base class for all math objects.
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A math insets is for use of the math editor only, it isn't a
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general LyX inset. It's used to represent all the math objects.
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The formulaInset (a LyX inset) encapsulates a math inset.
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*/
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class MathedInset {
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public:
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/** A math inset has a name (usually its LaTeX name),
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type and font-size
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*/
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MathedInset(string const & nm, short ot, short st);
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/// The virtual base destructor
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virtual ~MathedInset() {}
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/// Draw the object
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virtual void draw(Painter &, int x, int baseline) = 0;
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/// Write LaTeX and Lyx code
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virtual void Write(std::ostream &, bool fragile) = 0;
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/// Write normalized content
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virtual void WriteNormal(std::ostream &) = 0;
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/// Reproduces itself
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virtual MathedInset * Clone() = 0;
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/// Reproduces itself with macro arguments substituted
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virtual void substitute(MathMacro * macro);
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/// Compute the size of the object
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virtual void Metrics() = 0;
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///
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virtual int Ascent() const;
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///
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virtual int Descent() const;
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///
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virtual int Width() const;
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///
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virtual int Height() const;
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///
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virtual bool GetLimits() const;
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///
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virtual void SetLimits(bool);
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///
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string const & GetName() const;
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///
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short GetType() const;
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///
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short GetStyle() const;
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//Man: Avoid to use these functions if it's not strictly necessary
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///
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virtual void SetType(short t);
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///
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virtual void SetStyle(short st);
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///
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virtual void SetName(string const & n);
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///
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static int workWidth;
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///
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static void defaultAscent(int da);
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///
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static void defaultDescent(int dd);
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///
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static void defaultWidth(int dw);
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///
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short size() const;
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protected:
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///
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string name;
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///
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short objtype;
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///
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int width;
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///
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int ascent;
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///
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int descent;
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/// Default metrics
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static int df_asc;
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///
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static int df_des;
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///
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static int df_width;
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/// In a near future maybe we use a better fonts renderer than X
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void drawStr(Painter &, short, int, int, int, string const &);
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///
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void size(short s);
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///
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void incSize();
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private:
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///
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short size_;
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};
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#endif
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