4 * Purpose: Implementation of the root object
5 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
6 * Created: January 1999
7 * Description: Root math object
9 * Copyright: 1999 Alejandro Aguilar Sierra
11 * You are free to use and modify this code under the terms of
12 * the GNU General Public Licence version 2 or later.
16 #include FORMS_H_LOCATION
19 #pragma implementation
22 #include "math_root.h"
23 #include "math_iter.h"
24 #include "support/LOstream.h"
28 MathRootInset::MathRootInset(short st)
29 : MathSqrtInset(st), idx_(1), uroot_(LM_ST_TEXT)
33 MathedInset * MathRootInset::Clone()
35 MathRootInset * p = new MathRootInset(*this);
41 void MathRootInset::setData(MathedArray const & d)
44 MathParInset::setData(d);
50 bool MathRootInset::setArgumentIdx(int i)
52 if (i == 0 || i == 1) {
60 void MathRootInset::GetXY(int & x, int & y) const
63 MathParInset::GetXY(x, y);
69 MathedArray & MathRootInset::GetData()
74 return uroot_.GetData();
78 bool MathRootInset::Inside(int x, int y)
80 return (uroot_.Inside(x, y) || MathSqrtInset::Inside(x, y));
84 void MathRootInset::Metrics()
86 int const idxp = idx_;
89 MathSqrtInset::Metrics();
91 wroot_ = uroot_.Width();
94 // if (uroot_.Ascent() > dh)
95 if (uroot_.Height() > dh_)
96 ascent += uroot_.Height() - dh_;
97 dh_ -= descent - uroot_.Descent();
102 void MathRootInset::draw(Painter & pain, int x, int y)
104 int const idxp = idx_;
107 uroot_.draw(pain, x, y - dh_);
108 MathSqrtInset::draw(pain, x + wroot_, y);
113 void MathRootInset::SetStyle(short st)
115 MathSqrtInset::SetStyle(st);
117 uroot_.SetStyle((size() < LM_ST_SCRIPTSCRIPT) ? size() + 1 : size());
121 void MathRootInset::SetFocus(int x, int)
123 idx_ = (x > xo() + wroot_) ? 1: 0;
127 void MathRootInset::Write(ostream & os, bool fragile)
129 os << '\\' << name << '[';
130 uroot_.Write(os, fragile);
132 MathParInset::Write(os, fragile);