-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "math_fracinset.h"
-#include "mathed/support.h"
-#include "Painter.h"
-#include "support/LOstream.h"
+#include "math_support.h"
+#include "frontends/Painter.h"
+#include "math_mathmlstream.h"
+#include "textpainter.h"
+
+
+using std::max;
+using std::auto_ptr;
-MathFracInset::MathFracInset(string const & name)
- : MathNestInset(2, name)
+MathFracInset::MathFracInset(bool atop)
+ : atop_(atop)
{}
-MathInset * MathFracInset::clone() const
-{
- return new MathFracInset(*this);
+auto_ptr<InsetBase> MathFracInset::clone() const
+{
+ return auto_ptr<InsetBase>(new MathFracInset(*this));
}
-void MathFracInset::metrics(MathStyles st) const
+MathFracInset * MathFracInset::asFracInset()
{
- size_ = smallerStyleFrac(st);
- xcell(0).metrics(size_);
- xcell(1).metrics(size_);
- width_ = std::max(xcell(0).width(), xcell(1).width()) + 4;
- ascent_ = xcell(0).height() + 4 + 5;
- descent_ = xcell(1).height() + 4 - 5;
+ return atop_ ? 0 : this;
}
-void MathFracInset::draw(Painter & pain, int x, int y) const
+MathFracInset const * MathFracInset::asFracInset() const
{
- xo(x);
- yo(y);
- int m = x + width() / 2;
- xcell(0).draw(pain, m - xcell(0).width() / 2, y - xcell(0).descent() - 3 - 5);
- xcell(1).draw(pain, m - xcell(1).width() / 2, y + xcell(1).ascent() + 3 - 5);
-
- if (name() == "frac")
- pain.line(x + 2, y - 5, x + width() - 4, y - 5, LColor::mathline);
+ return atop_ ? 0 : this;
}
-void MathFracInset::write(std::ostream & os, bool fragile) const
+void MathFracInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- os << '\\' << name() << '{';
- cell(0).write(os, fragile);
- os << "}{";
- cell(1).write(os, fragile);
- os << '}';
+ FracChanger dummy(mi.base);
+ cell(0).metrics(mi);
+ cell(1).metrics(mi);
+ dim_.wid = max(cell(0).width(), cell(1).width()) + 2;
+ dim_.asc = cell(0).height() + 2 + 5;
+ dim_.des = cell(1).height() + 2 - 5;
+ dim = dim_;
}
-void MathFracInset::writeNormal(std::ostream & os) const
+void MathFracInset::draw(PainterInfo & pi, int x, int y) const
{
- os << '[' << name() << ' ';
- cell(0).writeNormal(os);
- os << " ";
- cell(1).writeNormal(os);
- os << "] ";
+ int m = x + dim_.wid / 2;
+ FracChanger dummy(pi.base);
+ cell(0).draw(pi, m - cell(0).width() / 2, y - cell(0).descent() - 2 - 5);
+ cell(1).draw(pi, m - cell(1).width() / 2, y + cell(1).ascent() + 2 - 5);
+ if (!atop_)
+ pi.pain.line(x + 1, y - 5, x + dim_.wid - 2, y - 5, LColor::math);
}
-bool MathFracInset::idxRight(int &, int &) const
+void MathFracInset::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
{
- return false;
+ cell(0).metricsT(mi, dim);
+ cell(1).metricsT(mi, dim);
+ dim.wid = max(cell(0).width(), cell(1).width());
+ dim.asc = cell(0).height() + 1;
+ dim.des = cell(1).height();
+ //dim = dim_;
}
-bool MathFracInset::idxLeft(int &, int &) const
+
+void MathFracInset::drawT(TextPainter & pain, int x, int y) const
{
- return false;
+ int m = x + dim_.width() / 2;
+ cell(0).drawT(pain, m - cell(0).width() / 2, y - cell(0).descent() - 1);
+ cell(1).drawT(pain, m - cell(1).width() / 2, y + cell(1).ascent());
+ if (!atop_)
+ pain.horizontalLine(x, y, dim_.width());
}
-bool MathFracInset::idxUp(int & idx, int &) const
+void MathFracInset::write(WriteStream & os) const
{
- if (idx == 0)
- return false;
- idx = 0;
- return true;
+ if (atop_)
+ os << '{' << cell(0) << "\\atop " << cell(1) << '}';
+ else // it's \\frac
+ MathNestInset::write(os);
}
-bool MathFracInset::idxDown(int & idx, int &) const
+
+string MathFracInset::name() const
{
- if (idx == 1)
- return false;
- idx = 1;
- return true;
+ return atop_ ? "atop" : "frac";
}
-bool MathFracInset::idxFirstUp(int & idx, int & pos) const
+
+void MathFracInset::maple(MapleStream & os) const
{
- idx = 0;
- pos = 0;
- return true;
+ os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
-bool MathFracInset::idxFirstDown(int & idx, int & pos) const
+
+void MathFracInset::mathematica(MathematicaStream & os) const
{
- idx = 1;
- pos = 0;
- return true;
+ os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
-bool MathFracInset::idxLastUp(int & idx, int & pos) const
+
+void MathFracInset::octave(OctaveStream & os) const
{
- idx = 0;
- pos = cell(idx).size();
- return true;
+ os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
-bool MathFracInset::idxLastDown(int & idx, int & pos) const
+
+void MathFracInset::mathmlize(MathMLStream & os) const
{
- idx = 1;
- pos = cell(idx).size();
- return true;
+ os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
}
-