2 * \file math_undersetinset.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_undersetinset.h"
14 #include "math_mathmlstream.h"
15 #include "math_support.h"
22 auto_ptr<InsetBase> MathUndersetInset::clone() const
24 return auto_ptr<InsetBase>(new MathUndersetInset(*this));
28 void MathUndersetInset::metrics(MetricsInfo & mi, Dimension & dim) const
31 FracChanger dummy(mi.base);
33 dim_.wid = max(cell(0).width(), cell(1).width()) + 4;
34 dim_.asc = cell(1).ascent();
35 dim_.des = cell(1).descent() + cell(0).height() + 4;
40 void MathUndersetInset::draw(PainterInfo & pi, int x, int y) const
42 int m = x + pi.width / 2;
43 int yo = y + cell(1).descent() + cell(0).ascent() + 1;
44 cell(1).draw(pi, m - cell(1).width() / 2, y);
45 FracChanger dummy(pi.base);
46 cell(0).draw(pi, m - cell(0).width() / 2, yo);
50 bool MathUndersetInset::idxFirst(idx_type & i, pos_type & pos) const
58 bool MathUndersetInset::idxLast(idx_type & i, pos_type & pos) const
66 bool MathUndersetInset::idxUpDown(idx_type & idx, pos_type & pos, bool up,
69 idx_type target = up; // up ? 1 : 0, since upper cell has idx 1
73 pos = cell(idx).x2pos(targetx);
78 void MathUndersetInset::write(WriteStream & os) const
80 os << "\\underset{" << cell(0) << "}{" << cell(1) << '}';
84 void MathUndersetInset::normalize(NormalStream & os) const
86 os << "[underset " << cell(0) << ' ' << cell(1) << ']';