2 * \file math_oversetinset.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 "math_oversetinset.h"
14 #include "math_mathmlstream.h"
15 #include "math_support.h"
22 MathOversetInset::MathOversetInset()
26 auto_ptr<InsetBase> MathOversetInset::clone() const
28 return auto_ptr<InsetBase>(new MathOversetInset(*this));
32 void MathOversetInset::metrics(MetricsInfo & mi, Dimension & dim) const
35 FracChanger dummy(mi.base);
37 dim_.wid = max(cell(0).width(), cell(1).width()) + 4;
38 dim_.asc = cell(1).ascent() + cell(0).height() + 4;
39 dim_.des = cell(1).descent();
44 void MathOversetInset::draw(PainterInfo & pi, int x, int y) const
46 int m = x + pi.width / 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);
54 void MathOversetInset::write(WriteStream & os) const
56 os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
60 void MathOversetInset::normalize(NormalStream & os) const
62 os << "[overset " << cell(0) << ' ' << cell(1) << ']';