lyx_mirror/src/mathed/InsetMathXArrow.cpp

88 lines
1.7 KiB
C++
Raw Normal View History

/**
* \file InsetMathXArrow.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Andr<EFBFBD> P<EFBFBD>nitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetMathXArrow.h"
#include "MathData.h"
#include "MathStream.h"
#include "MathStream.h"
#include "MathSupport.h"
#include "LaTeXFeatures.h"
namespace lyx {
using std::string;
using std::auto_ptr;
InsetMathXArrow::InsetMathXArrow(docstring const & name)
: InsetMathFracBase(), name_(name)
{}
auto_ptr<Inset> InsetMathXArrow::doClone() const
{
return auto_ptr<Inset>(new InsetMathXArrow(*this));
}
bool InsetMathXArrow::metrics(MetricsInfo & mi, Dimension & dim) const
{
ScriptChanger dummy(mi.base);
cell(0).metrics(mi);
cell(1).metrics(mi);
dim.wid = std::max(cell(0).width(), cell(1).width()) + 10;
dim.asc = cell(0).height() + 10;
dim.des = cell(1).height();
metricsMarkers(dim);
if (dim_ == dim)
return false;
dim_ = dim;
return true;
}
void InsetMathXArrow::draw(PainterInfo & pi, int x, int y) const
{
ScriptChanger dummy(pi.base);
cell(0).draw(pi, x + 5, y - 10);
cell(1).draw(pi, x + 5, y + cell(1).height());
mathed_draw_deco(pi, x + 1, y - 7, width() - 2, 5, name_);
drawMarkers(pi, x, y);
}
void InsetMathXArrow::write(WriteStream & os) const
{
os << '\\' << name_;
if (cell(1).size())
os << '[' << cell(1) << ']';
os << '{' << cell(0) << '}';
}
void InsetMathXArrow::normalize(NormalStream & os) const
{
os << "[xarrow " << name_ << ' ' << cell(0) << ' ' << cell(1) << ']';
}
void InsetMathXArrow::validate(LaTeXFeatures & features) const
{
features.require("amsmath");
InsetMathNest::validate(features);
}
} // namespace lyx