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b9ec5a5146
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9627 a592a061-630c-0410-9148-cb99ea01b6c8
110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
/**
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* \file math_rootinset.C
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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 Alejandro Aguilar Sierra
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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 "math_rootinset.h"
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#include "math_data.h"
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#include "math_mathmlstream.h"
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#include "cursor.h"
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#include "LColor.h"
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#include "frontends/Painter.h"
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using std::max;
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using std::auto_ptr;
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MathRootInset::MathRootInset()
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: MathNestInset(2)
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{}
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auto_ptr<InsetBase> MathRootInset::doClone() const
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{
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return auto_ptr<InsetBase>(new MathRootInset(*this));
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}
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void MathRootInset::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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MathNestInset::metrics(mi);
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dim.asc = max(cell(0).ascent() + 5, cell(1).ascent()) + 2;
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dim.des = max(cell(1).descent() + 5, cell(0).descent()) + 2;
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dim.wid = cell(0).width() + cell(1).width() + 10;
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metricsMarkers(dim);
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dim_ = dim;
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}
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void MathRootInset::draw(PainterInfo & pi, int x, int y) const
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{
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int const w = cell(0).width();
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// the "exponent"
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cell(0).draw(pi, x, y - 5 - cell(0).descent());
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// the "base"
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cell(1).draw(pi, x + w + 8, y);
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int const a = dim_.ascent();
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int const d = dim_.descent();
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int xp[5];
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int yp[5];
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xp[0] = x + dim_.width(); yp[0] = y - a + 1;
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xp[1] = x + w + 4; yp[1] = y - a + 1;
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xp[2] = x + w; yp[2] = y + d;
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xp[3] = x + w - 2; yp[3] = y + (d - a)/2 + 2;
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//xp[4] = x; yp[4] = y + (d - a)/2 + 2;
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xp[4] = x + w - 5; yp[4] = y + (d - a)/2 + 4;
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pi.pain.lines(xp, yp, 5, LColor::math);
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drawMarkers(pi, x, y);
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}
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void MathRootInset::write(WriteStream & os) const
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{
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os << "\\sqrt[" << cell(0) << "]{" << cell(1) << '}';
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}
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void MathRootInset::normalize(NormalStream & os) const
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{
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os << "[root " << cell(0) << ' ' << cell(1) << ']';
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}
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bool MathRootInset::idxUpDown(LCursor & cur, bool up) const
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{
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LCursor::idx_type const target = up ? 0 : 1;
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if (cur.idx() == target)
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return false;
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cur.idx() = target;
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cur.pos() = up ? cur.lastpos() : 0;
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return true;
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}
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void MathRootInset::maple(MapleStream & os) const
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{
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os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
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}
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void MathRootInset::octave(OctaveStream & os) const
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{
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os << "root(" << cell(1) << ',' << cell(0) << ')';
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}
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void MathRootInset::mathmlize(MathMLStream & os) const
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{
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os << MTag("mroot") << cell(1) << cell(0) << ETag("mroot");
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}
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