+/**
+ * \file math_fracinset.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Alejandro Aguilar Sierra
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
#include <config.h>
#include "math_fracinset.h"
-#include "math_iter.h"
+#include "math_data.h"
+#include "math_mathmlstream.h"
+#include "textpainter.h"
#include "LColor.h"
-#include "Painter.h"
-#include "mathed/support.h"
+#include "frontends/Painter.h"
-MathFracInset::MathFracInset(short ot)
- : MathParInset(LM_ST_TEXT, "frac", ot)
-{
-
- den = new MathParInset(LM_ST_TEXT); // this leaks
- dh = 0;
- idx = 0;
- if (objtype == LM_OT_STACKREL) {
- flag |= LMPF_SCRIPT;
- SetName("stackrel");
- }
-}
+using std::string;
+using std::max;
+using std::auto_ptr;
+
+
+MathFracInset::MathFracInset(bool atop)
+ : atop_(atop)
+{}
-MathFracInset::~MathFracInset()
+auto_ptr<InsetBase> MathFracInset::clone() const
{
- delete den;
+ return auto_ptr<InsetBase>(new MathFracInset(*this));
}
-MathedInset * MathFracInset::Clone()
-{
- MathFracInset * p = new MathFracInset(GetType());
- MathedIter itn(array);
- MathedIter itd(den->GetData());
- p->SetData(itn.Copy(), itd.Copy());
- p->idx = idx;
- p->dh = dh;
- return p;
+MathFracInset * MathFracInset::asFracInset()
+{
+ return atop_ ? 0 : this;
}
-bool MathFracInset::setArgumentIdx(int i)
+MathFracInset const * MathFracInset::asFracInset() const
{
- if (i == 0 || i == 1) {
- idx = i;
- return true;
- } else
- return false;
+ return atop_ ? 0 : this;
}
-void MathFracInset::SetStyle(short st)
+void MathFracInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- MathParInset::SetStyle(st);
- dh = 0;
- den->SetStyle((size == LM_ST_DISPLAY) ?
- static_cast<short>(LM_ST_TEXT)
- : size);
+ 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;
+ metricsMarkers(dim);
+ dim_ = dim;
}
-void MathFracInset::SetData(MathedArray * n, MathedArray * d)
+void MathFracInset::draw(PainterInfo & pi, int x, int y) const
{
- den->SetData(d);
- MathParInset::SetData(n);
+ setPosCache(pi, x, y);
+ 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);
+ drawMarkers(pi, x, y);
}
-void MathFracInset::SetData(MathedArray * d)
+void MathFracInset::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
{
- if (idx == 0)
- MathParInset::SetData(d);
- else {
- den->SetData(d);
- }
+ 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_;
}
-void MathFracInset::GetXY(int & x, int & y) const
-{
- if (idx == 0)
- MathParInset::GetXY(x, y);
- else
- den->GetXY(x, y);
+void MathFracInset::drawT(TextPainter & pain, int x, int y) const
+{
+ 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());
}
-MathedArray * MathFracInset::GetData()
+void MathFracInset::write(WriteStream & os) const
{
- if (idx == 0)
- return array;
- else
- return den->GetData();
+ if (atop_)
+ os << '{' << cell(0) << "\\atop " << cell(1) << '}';
+ else // it's \\frac
+ MathNestInset::write(os);
}
-bool MathFracInset::Inside(int x, int y)
+string MathFracInset::name() const
{
- int xx = xo - (width - w0) / 2;
-
- return x >= xx && x <= xx + width && y <= yo + descent && y >= yo - ascent;
+ return atop_ ? "atop" : "frac";
}
-void MathFracInset::SetFocus(int /*x*/, int y)
-{
-// lyxerr << "y " << y << " " << yo << " " << den->yo << " ";
- idx = (y > yo) ? 1: 0;
+void MathFracInset::maple(MapleStream & os) const
+{
+ os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
-void
-MathFracInset::draw(Painter & pain, int x, int y)
-{
- short idxp = idx;
- short sizex = size;
-
- idx = 0;
- if (size == LM_ST_DISPLAY) ++size;
- MathParInset::draw(pain, x + (width - w0) / 2, y - des0);
- den->draw(pain, x + (width - w1) / 2, y + den->Ascent() + 2 - dh);
- size = sizex;
- if (objtype == LM_OT_FRAC)
- pain.line(x + 2, y - dh, x + width - 4, y - dh, LColor::mathline);
- idx = idxp;
+void MathFracInset::mathematica(MathematicaStream & os) const
+{
+ os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
-void
-MathFracInset::Metrics()
+void MathFracInset::octave(OctaveStream & os) const
{
- if (!dh) {
- int a, b;
- dh = mathed_char_height(LM_TC_CONST, size, 'I', a, b)/2;
- }
- short idxp = idx;
- short sizex = size;
- idx = 0;
- if (size == LM_ST_DISPLAY) ++size;
- MathParInset::Metrics();
- size = sizex;
- w0 = width;
- int as = Height() + 2 + dh;
- des0 = Descent() + 2 + dh;
- den->Metrics();
- w1 = den->Width();
- width = ((w0 > w1) ? w0: w1) + 12;
- ascent = as;
- descent = den->Height()+ 2 - dh;
- idx = idxp;
+ os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
-void MathFracInset::Write(ostream & os, bool fragile)
+void MathFracInset::mathmlize(MathMLStream & os) const
{
- os << '\\' << name << '{';
- MathParInset::Write(os, fragile);
- os << "}{";
- den->Write(os, fragile);
- os << '}';
+ os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
}
projects / lyx.git / blobdiff