2 * \file InsetMathOverset.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathOverset.h"
15 #include "MathStream.h"
18 #include "LaTeXFeatures.h"
24 Inset * InsetMathOverset::clone() const
26 return new InsetMathOverset(*this);
30 void InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
33 cell(1).metrics(mi, dim1);
34 FracChanger dummy(mi.base);
36 cell(0).metrics(mi, dim0);
37 dim.wid = max(dim0.width(), dim1.wid) + 4;
38 dim.asc = dim1.asc + dim0.height() + 4;
44 void InsetMathOverset::draw(PainterInfo & pi, int x, int y) const
46 Dimension const dim = dimension(*pi.base.bv);
47 Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
48 Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
49 int m = x + dim.wid / 2;
50 int yo = y - dim1.asc - dim0.des - 1;
51 cell(1).draw(pi, m - dim1.wid / 2, y);
52 FracChanger dummy(pi.base);
53 cell(0).draw(pi, m - dim0.width() / 2, yo);
54 drawMarkers(pi, x, y);
58 bool InsetMathOverset::idxFirst(Cursor & cur) const
66 bool InsetMathOverset::idxLast(Cursor & cur) const
69 cur.pos() = cur.lastpos();
74 void InsetMathOverset::write(WriteStream & os) const
76 MathEnsurer ensurer(os);
79 os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
83 void InsetMathOverset::normalize(NormalStream & os) const
85 os << "[overset " << cell(0) << ' ' << cell(1) << ']';
89 void InsetMathOverset::mathmlize(MathStream & ms) const
91 ms << "<mover accent='false'>" << cell(1) << cell(0) << "</mover>";
95 void InsetMathOverset::htmlize(HtmlStream & os) const
97 os << MTag("span", "class='overset'")
98 << MTag("span", "class='top'") << cell(0) << ETag("span")
99 << MTag("span") << cell(1) << ETag("span")
104 void InsetMathOverset::validate(LaTeXFeatures & features) const
106 if (features.runparams().isLaTeX())
107 features.require("amsmath");
108 else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
109 features.addCSSSnippet(
110 "span.overset{display: inline-block; vertical-align: bottom; text-align:center;}\n"
111 "span.overset span {display: block;}\n"
112 "span.top{font-size: 66%;}");
114 InsetMathNest::validate(features);