2 * \file InsetMathRoot.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alejandro Aguilar Sierra
9 * Full author contact details are available in file CREDITS.
14 #include "InsetMathRoot.h"
16 #include "MathStream.h"
19 #include "frontends/Painter.h"
26 InsetMathRoot::InsetMathRoot()
31 Inset * InsetMathRoot::clone() const
33 return new InsetMathRoot(*this);
37 void InsetMathRoot::metrics(MetricsInfo & mi, Dimension & dim) const
39 InsetMathNest::metrics(mi);
40 Dimension const & dim0 = cell(0).dimension(*mi.base.bv);
41 Dimension const & dim1 = cell(1).dimension(*mi.base.bv);
42 dim.asc = max(dim0.ascent() + 5, dim1.ascent()) + 2;
43 dim.des = max(dim0.descent() - 5, dim1.descent()) + 2;
44 dim.wid = dim0.width() + dim1.width() + 10;
46 // Cache the inset dimension.
51 void InsetMathRoot::draw(PainterInfo & pi, int x, int y) const
53 Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
54 int const w = dim0.width();
56 cell(0).draw(pi, x, y - 5 - dim0.descent());
58 cell(1).draw(pi, x + w + 8, y);
59 Dimension const dim = dimension(*pi.base.bv);
60 int const a = dim.ascent();
61 int const d = dim.descent();
64 pi.pain.line(x + dim.width(), y - a + 1,
65 x + w + 4, y - a + 1, Color_math);
66 xp[0] = x + w + 4; yp[0] = y - a + 1;
67 xp[1] = x + w; yp[1] = y + d;
68 xp[2] = x + w - 2; yp[2] = y + (d - a)/2 + 2;
69 xp[3] = x + w - 5; yp[3] = y + (d - a)/2 + 4;
70 pi.pain.lines(xp, yp, 4, Color_math);
71 drawMarkers(pi, x, y);
75 void InsetMathRoot::write(WriteStream & os) const
77 os << "\\sqrt[" << cell(0) << "]{" << cell(1) << '}';
81 void InsetMathRoot::normalize(NormalStream & os) const
83 os << "[root " << cell(0) << ' ' << cell(1) << ']';
87 bool InsetMathRoot::idxUpDown(Cursor & cur, bool up) const
89 Cursor::idx_type const target = up ? 0 : 1;
90 if (cur.idx() == target)
93 cur.pos() = up ? cur.lastpos() : 0;
98 void InsetMathRoot::maple(MapleStream & os) const
100 os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
104 void InsetMathRoot::mathematica(MathematicaStream & os) const
106 os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
110 void InsetMathRoot::octave(OctaveStream & os) const
112 os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
116 void InsetMathRoot::mathmlize(MathStream & os) const
118 os << MTag("mroot") << cell(1) << cell(0) << ETag("mroot");