/** * \file math_undersetinset.C * This file is part of LyX, the document processor. * Licence details can be found in the file COPYING. * * \author André Pönitz * * Full author contact details are available in file CREDITS. */ #include #include "math_undersetinset.h" #include "math_mathmlstream.h" using std::max; using std::auto_ptr; auto_ptr MathUndersetInset::clone() const { return auto_ptr(new MathUndersetInset(*this)); } void MathUndersetInset::metrics(MetricsInfo & mi, Dimension & dim) const { cell(1).metrics(mi); FracChanger dummy(mi.base); cell(0).metrics(mi); dim_.wid = max(cell(0).width(), cell(1).width()) + 4; dim_.asc = cell(1).ascent(); dim_.des = cell(1).descent() + cell(0).height() + 4; dim = dim_; } void MathUndersetInset::draw(PainterInfo & pi, int x, int y) const { int m = x + pi.width / 2; int yo = y + cell(1).descent() + cell(0).ascent() + 1; cell(1).draw(pi, m - cell(1).width() / 2, y); FracChanger dummy(pi.base); cell(0).draw(pi, m - cell(0).width() / 2, yo); } bool MathUndersetInset::idxFirst(idx_type & i, pos_type & pos) const { i = 1; pos = 0; return true; } bool MathUndersetInset::idxLast(idx_type & i, pos_type & pos) const { i = 1; pos = cell(i).size(); return true; } bool MathUndersetInset::idxUpDown(idx_type & idx, pos_type & pos, bool up, int targetx) const { idx_type target = up; // up ? 1 : 0, since upper cell has idx 1 if (idx == target) return false; idx = target; pos = cell(idx).x2pos(targetx); return true; } void MathUndersetInset::write(WriteStream & os) const { os << "\\underset{" << cell(0) << "}{" << cell(1) << '}'; } void MathUndersetInset::normalize(NormalStream & os) const { os << "[underset " << cell(0) << ' ' << cell(1) << ']'; }