// -*- C++ -*-
/*
 *  File:        math_root.h
 *  Purpose:     Declaration of the root object 
 *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx> 
 *  Created:     January 1999
 *  Description: Root math object
 *
 *  Copyright: 1999 Alejandro Aguilar Sierra
 *
 *   You are free to use and modify this code under the terms of
 *   the GNU General Public Licence version 2 or later.
 */

#ifndef MATH_ROOT
#define MATH_ROOT

#ifdef __GNUG__
#pragma interface
#endif

#include "math_defs.h"
#include "math_inset.h"
#include "symbol_def.h"
#include "LString.h"

///
class MathRootInset: public MathSqrtInset {
public:
    ///
    explicit
    MathRootInset(short st = LM_ST_TEXT);
    ///
    ~MathRootInset();
    ///
    MathedInset * Clone();
    ///
    void draw(Painter &, int x, int baseline);
    ///
    void Write(std::ostream &, bool fragile);
    ///
    void Metrics();
    ///
    bool Inside(int, int);
    ///
    void SetFocus(int, int);
    ///
    void SetData(MathedArray *);
    ///
    void GetXY(int & x, int & y) const;
    ///
    MathedArray * GetData();
    ///
    bool setArgumentIdx(int i);
    ///
    int getArgumentIdx() const { return idx; }
    ///
    int getMaxArgumentIdx() const { return 1; }
    ///
    void SetStyle(short);

protected:
    ///
    int idx;
    ///
    MathParInset * uroot;
    ///
    int wroot, dh;
};
#endif