lyx_mirror/src/mathed/math_undersetinset.C

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#ifdef __GNUG__
#pragma implementation
#endif
#include "math_undersetinset.h"
#include "math_mathmlstream.h"
#include "math_support.h"
using std::max;
MathUndersetInset::MathUndersetInset()
{}
MathInset * MathUndersetInset::clone() const
{
return new MathUndersetInset(*this);
}
void MathUndersetInset::metrics(MathMetricsInfo const & mi) const
{
MathMetricsInfo m = mi;
smallerStyleFrac(m);
xcell(0).metrics(m);
xcell(1).metrics(mi);
width_ = max(xcell(0).width(), xcell(1).width()) + 4;
ascent_ = xcell(1).ascent();
descent_ = xcell(1).descent() + xcell(0).height() + 4;
}
void MathUndersetInset::draw(Painter & pain, int x, int y) const
{
int m = x + width() / 2;
int yo = y + xcell(1).descent() + xcell(0).ascent() + 1;
xcell(0).draw(pain, m - xcell(0).width() / 2, yo);
xcell(1).draw(pain, m - xcell(1).width() / 2, y);
}
void MathUndersetInset::write(WriteStream & os) const
{
os << "\\underset{" << cell(0) << "}{" << cell(1) << '}';
}
void MathUndersetInset::normalize(NormalStream & os) const
{
os << "[underset " << cell(0) << ' ' << cell(1) << ']';
}