2 * \file InsetMathDFrac.cpp
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 "InsetMathDFrac.h"
15 #include "MathStream.h"
16 #include "LaTeXFeatures.h"
18 #include "frontends/Painter.h"
23 InsetMathDFrac::InsetMathDFrac()
28 Inset * InsetMathDFrac::clone() const
30 return new InsetMathDFrac(*this);
34 void InsetMathDFrac::metrics(MetricsInfo & mi, Dimension & dim) const
38 dim.wid = std::max(cell(0).width(), cell(1).width()) + 2;
39 dim.asc = cell(0).height() + 2 + 5;
40 dim.des = cell(1).height() + 2 - 5;
41 // Cache the inset dimension.
46 void InsetMathDFrac::draw(PainterInfo & pi, int x, int y) const
48 Dimension const dim = dimension(*pi.base.bv);
49 int m = x + dim.wid / 2;
50 cell(0).draw(pi, m - cell(0).width() / 2, y - cell(0).descent() - 2 - 5);
51 cell(1).draw(pi, m - cell(1).width() / 2, y + cell(1).ascent() + 2 - 5);
52 pi.pain.line(x + 1, y - 5, x + dim.wid - 2, y - 5, Color::math);
53 setPosCache(pi, x, y);
57 docstring InsetMathDFrac::name() const
59 return from_ascii("dfrac");
63 void InsetMathDFrac::mathmlize(MathStream & os) const
65 os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
69 void InsetMathDFrac::validate(LaTeXFeatures & features) const
71 features.require("amsmath");
72 InsetMathNest::validate(features);