// -*- C++ -*-
#ifndef MATH_PARINSET_H
#define MATH_PARINSET_H

#include "array.h"
#include "math_inset.h"
#include "math_defs.h"

class MathedRowSt;
class MathedArray;


/** The math paragraph base class, base to all editable math objects
    \author Alejandro Aguilar Sierra
 */
class MathParInset: public MathedInset  {
public: 
	///
	MathParInset(short st = LM_ST_TEXT, string const & nm = string(),
		     short ot = LM_OT_MIN);
	///
	explicit
	MathParInset(MathParInset *);
	///
	virtual ~MathParInset();
	///
	virtual MathedInset * Clone();
	/// Draw the object on a drawable
	virtual void draw(Painter &, int x, int baseline);
	/// Write LaTeX code
	virtual void Write(std::ostream &, bool fragile);
	///
	virtual void Metrics();
	///
	virtual void UserSetSize(short);
	/// Data is stored in a LyXArray
	virtual void setData(MathedArray *);
	///
	virtual MathedArray * GetData();
	/// Paragraph position
	virtual void GetXY(int &, int &) const;
	///
	virtual void setXY(int x, int y);
	///
	virtual void SetFocus(int, int) {}
	///
	virtual bool Inside(int, int);   
	// Tab stuff used by Matrix.
	///
	virtual void SetAlign(char, string const &) {}
	///
	virtual int GetColumns() const { return 1; }
	///
	virtual int GetRows() const { return 1; }
	///
	virtual bool isMatrix() const { return false; }
	// Vertical switching
	///
	virtual bool setArgumentIdx(int i) { return (i == 0); }
	///
	virtual bool setNextArgIdx() { return false; }
	///
	virtual int getArgumentIdx() const { return 0; }
	///
	virtual int getMaxArgumentIdx() const { return 0; }
	///
	virtual void SetStyle(short);
	///
	virtual MathedRowSt * getRowSt() const;
	///
	virtual void setRowSt(MathedRowSt *) {}
	///
	virtual bool Permit(short f) const;
	///
	int xo() const {
		return xo_;
	}
	///
	int yo() const {
		return yo_;
	}
protected:
	/// Paragraph data is stored here
	MathedArray array;
	/// 
	short flag;
	///
	void xo(int tx) {
		xo_ = tx;
	}
	///
	void yo(int ty) {
		yo_ = ty;
	}
private:
	/// Cursor start position
	int xo_;
	///
	int yo_;
};
#endif