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31059d1741
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18043 a592a061-630c-0410-9148-cb99ea01b6c8
75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
/**
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* \file InsetMathStackrel.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetMathStackrel.h"
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#include "MathData.h"
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#include "MathStream.h"
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namespace lyx {
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using std::max;
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using std::auto_ptr;
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InsetMathStackrel::InsetMathStackrel()
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{}
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auto_ptr<InsetBase> InsetMathStackrel::doClone() const
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{
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return auto_ptr<InsetBase>(new InsetMathStackrel(*this));
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}
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bool InsetMathStackrel::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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cell(1).metrics(mi);
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FracChanger dummy(mi.base);
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cell(0).metrics(mi);
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dim.wid = max(cell(0).width(), cell(1).width()) + 4;
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dim.asc = cell(1).ascent() + cell(0).height() + 4;
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dim.des = cell(1).descent();
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metricsMarkers(dim);
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if (dim_ == dim)
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return false;
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dim_ = dim;
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return true;
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}
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void InsetMathStackrel::draw(PainterInfo & pi, int x, int y) const
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{
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int m = x + dim_.width() / 2;
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int yo = y - cell(1).ascent() - cell(0).descent() - 1;
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cell(1).draw(pi, m - cell(1).width() / 2, y);
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FracChanger dummy(pi.base);
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cell(0).draw(pi, m - cell(0).width() / 2, yo);
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drawMarkers(pi, x, y);
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}
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void InsetMathStackrel::write(WriteStream & os) const
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{
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os << "\\stackrel{" << cell(0) << "}{" << cell(1) << '}';
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}
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void InsetMathStackrel::normalize(NormalStream & os) const
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{
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os << "[stackrel " << cell(0) << ' ' << cell(1) << ']';
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}
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} // namespace lyx
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