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"
17 #include "MathStream.h"
20 #include "LaTeXFeatures.h"
21 #include "MetricsInfo.h"
23 #include "frontends/Painter.h"
31 InsetMathRoot::InsetMathRoot(Buffer * buf)
32 : InsetMathNest(buf, 2)
36 Inset * InsetMathRoot::clone() const
38 return new InsetMathRoot(*this);
42 void InsetMathRoot::metrics(MetricsInfo & mi, Dimension & dim) const
44 Changer dummy = mi.base.changeEnsureMath();
45 InsetMathNest::metrics(mi);
46 Dimension const & dim0 = cell(0).dimension(*mi.base.bv);
47 Dimension const & dim1 = cell(1).dimension(*mi.base.bv);
48 dim.asc = max(dim0.ascent() + 5, dim1.ascent()) + 2;
49 dim.des = max(dim0.descent() - 5, dim1.descent()) + 2;
50 dim.wid = dim0.width() + dim1.width() + 10;
51 metricsMarkers(mi, dim);
55 void InsetMathRoot::draw(PainterInfo & pi, int x, int y) const
57 Changer dummy = pi.base.changeEnsureMath();
58 Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
59 int const w = dim0.width();
61 cell(0).draw(pi, x, y - 5 - dim0.descent());
63 cell(1).draw(pi, x + w + 8, y);
64 Dimension const dim = dimension(*pi.base.bv);
65 int const a = dim.ascent();
66 int const d = dim.descent();
69 pi.pain.line(x + dim.width(), y - a + 1,
70 x + w + 4, y - a + 1, pi.base.font.color());
71 xp[0] = x + w + 4; yp[0] = y - a + 1;
72 xp[1] = x + w; yp[1] = y + d;
73 xp[2] = x + w - 2; yp[2] = y + (d - a)/2 + 2;
74 xp[3] = x + w - 5; yp[3] = y + (d - a)/2 + 4;
75 pi.pain.lines(xp, yp, 4, pi.base.font.color());
76 drawMarkers(pi, x, y);
80 void InsetMathRoot::write(WriteStream & os) const
82 MathEnsurer ensurer(os);
83 os << "\\sqrt[" << cell(0) << "]{" << cell(1) << '}';
87 void InsetMathRoot::normalize(NormalStream & os) const
89 os << "[root " << cell(0) << ' ' << cell(1) << ']';
93 bool InsetMathRoot::idxUpDown(Cursor & cur, bool up) const
95 Cursor::idx_type const target = up ? 0 : 1;
96 if (cur.idx() == target)
99 cur.pos() = up ? cur.lastpos() : 0;
104 void InsetMathRoot::maple(MapleStream & os) const
106 os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
110 void InsetMathRoot::mathematica(MathematicaStream & os) const
112 os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
116 void InsetMathRoot::octave(OctaveStream & os) const
118 os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
122 void InsetMathRoot::mathmlize(MathStream & os) const
124 os << MTag("mroot") << cell(1) << cell(0) << ETag("mroot");
128 void InsetMathRoot::htmlize(HtmlStream & os) const
130 os << MTag("span", "class='root'")
131 << MTag("sup") << cell(0) << ETag("sup")
132 << from_ascii("√")
133 << MTag("span", "class='rootof'") << cell(1) << ETag("span")
138 void InsetMathRoot::validate(LaTeXFeatures & features) const
140 if (features.runparams().math_flavor == OutputParams::MathAsHTML)
141 features.addCSSSnippet(
142 "span.rootof{border-top: thin solid black;}\n"
143 "span.root sup{font-size: 75%;}");
144 InsetMathNest::validate(features);