2 * \file InsetMathOverset.C
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"
27 auto_ptr<InsetBase> InsetMathOverset::doClone() const
29 return auto_ptr<InsetBase>(new InsetMathOverset(*this));
33 void InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
36 FracChanger dummy(mi.base);
38 dim.wid = max(cell(0).width(), cell(1).width()) + 4;
39 dim.asc = cell(1).ascent() + cell(0).height() + 4;
40 dim.des = cell(1).descent();
46 void InsetMathOverset::draw(PainterInfo & pi, int x, int y) const
48 int m = x + width() / 2;
49 int yo = y - cell(1).ascent() + cell(0).descent() - 1;
50 cell(1).draw(pi, m - cell(1).width() / 2, y);
51 FracChanger dummy(pi.base);
52 cell(0).draw(pi, m - cell(0).width() / 2, yo);
53 drawMarkers(pi, x, y);
57 bool InsetMathOverset::idxFirst(LCursor & cur) const
65 bool InsetMathOverset::idxLast(LCursor & cur) const
68 cur.pos() = cur.lastpos();
73 void InsetMathOverset::write(WriteStream & os) const
75 os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
79 void InsetMathOverset::normalize(NormalStream & os) const
81 os << "[overset " << cell(0) << ' ' << cell(1) << ']';
85 void InsetMathOverset::validate(LaTeXFeatures & features) const
87 features.require("amsmath");
88 InsetMathNest::validate(features);