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"
23 Inset * InsetMathOverset::clone() const
25 return new InsetMathOverset(*this);
29 void InsetMathOverset::metrics(MetricsInfo & mi, Dimension & dim) const
32 FracChanger dummy(mi.base);
34 dim.wid = std::max(cell(0).width(), cell(1).width()) + 4;
35 dim.asc = cell(1).ascent() + cell(0).height() + 4;
36 dim.des = cell(1).descent();
38 // Cache the inset dimension.
43 void InsetMathOverset::draw(PainterInfo & pi, int x, int y) const
45 Dimension const dim = dimension(*pi.base.bv);
46 int m = x + dim.wid / 2;
47 int yo = y - cell(1).ascent() - cell(0).descent() - 1;
48 cell(1).draw(pi, m - cell(1).width() / 2, y);
49 FracChanger dummy(pi.base);
50 cell(0).draw(pi, m - cell(0).width() / 2, yo);
51 drawMarkers(pi, x, y);
55 bool InsetMathOverset::idxFirst(Cursor & cur) const
63 bool InsetMathOverset::idxLast(Cursor & cur) const
66 cur.pos() = cur.lastpos();
71 void InsetMathOverset::write(WriteStream & os) const
73 os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
77 void InsetMathOverset::normalize(NormalStream & os) const
79 os << "[overset " << cell(0) << ' ' << cell(1) << ']';
83 void InsetMathOverset::validate(LaTeXFeatures & features) const
85 features.require("amsmath");
86 InsetMathNest::validate(features);