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_data.h"
15 #include "math_mathmlstream.h"
23 auto_ptr<InsetBase> MathUndersetInset::clone() const
25 return auto_ptr<InsetBase>(new MathUndersetInset(*this));
29 void MathUndersetInset::metrics(MetricsInfo & mi, Dimension & dim) const
32 FracChanger dummy(mi.base);
34 dim_.wid = max(cell(0).width(), cell(1).width()) + 4;
35 dim_.asc = cell(1).ascent();
36 dim_.des = cell(1).descent() + cell(0).height() + 4;
41 void MathUndersetInset::draw(PainterInfo & pi, int x, int y) const
43 int m = x + pi.width / 2;
44 int yo = y + cell(1).descent() + cell(0).ascent() + 1;
45 cell(1).draw(pi, m - cell(1).width() / 2, y);
46 FracChanger dummy(pi.base);
47 cell(0).draw(pi, m - cell(0).width() / 2, yo);
51 bool MathUndersetInset::idxFirst(LCursor & cur) const
59 bool MathUndersetInset::idxLast(LCursor & cur) const
62 cur.pos() = cur.lastpos();
67 bool MathUndersetInset::idxUpDown(LCursor & cur, bool up) const
69 idx_type target = up; // up ? 1 : 0, since upper cell has idx 1
70 if (cur.idx() == target)
73 cur.pos() = cur.cell().x2pos(cur.x_target());
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) << ']';