X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_fracinset.C;h=b694d72fe117a26e798080362cc9a36b8555597a;hb=b447408de232872fef1537fca542abc23702d572;hp=a3b33c1ad44b30cc3233790c7590225dc9229471;hpb=d1182f17daa1a164d9527ccbe6500840d7ac6bc8;p=lyx.git

diff --git a/src/mathed/math_fracinset.C b/src/mathed/math_fracinset.C
index a3b33c1ad4..b694d72fe1 100644
--- a/src/mathed/math_fracinset.C
+++ b/src/mathed/math_fracinset.C
@@ -1,98 +1,133 @@
-#include <config.h>
+/**
+ * \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.
+ */
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include <config.h>
 
 #include "math_fracinset.h"
+#include "math_data.h"
+#include "math_mathmlstream.h"
+#include "textpainter.h"
 #include "LColor.h"
-#include "Painter.h"
-#include "mathed/support.h"
-#include "support/LOstream.h"
+#include "frontends/Painter.h"
+
+
+using std::string;
+using std::max;
+using std::auto_ptr;
+
+
+MathFracInset::MathFracInset(bool atop)
+	: atop_(atop)
+{}
+
+
+auto_ptr<InsetBase> MathFracInset::clone() const
+{
+	return auto_ptr<InsetBase>(new MathFracInset(*this));
+}
 
 
-MathFracInset::MathFracInset(short ot)
-	: MathInset("frac", ot, 2)
+MathFracInset * MathFracInset::asFracInset()
 {
-	if (objtype == LM_OT_STACKREL) 
-		SetName("stackrel");
+	return atop_ ? 0 : this;
 }
 
 
-MathInset * MathFracInset::Clone() const
-{   
-	return new MathFracInset(*this);
+MathFracInset const * MathFracInset::asFracInset() const
+{
+	return atop_ ? 0 : this;
+}
+
+
+void MathFracInset::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+	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::Metrics(MathStyles st)
+void MathFracInset::draw(PainterInfo & pi, int x, int y) const
 {
-	xcell(0).Metrics(st);
-	xcell(1).Metrics(st);
-	size_    = st;
-	width_   = max(xcell(0).width(), xcell(1).width()) + 4; 
-	ascent_  = xcell(0).height() + 4 + 5;
-	descent_ = xcell(1).height() + 4 - 5; 
+	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::draw(Painter & pain, int x, int y)
+void MathFracInset::metricsT(TextMetricsInfo const & mi, Dimension & dim) 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 (objtype == LM_OT_FRAC)
-		pain.line(x + 2, y - 5, x + width() - 4, y - 5, LColor::mathline);
+	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::Write(std::ostream & os, bool fragile) const
+void MathFracInset::drawT(TextPainter & pain, int x, int y) const
 {
-	os << '\\' << name() << '{';
-	cell(0).Write(os, fragile);
-	os << "}{";
-	cell(1).Write(os, fragile);
-	os << '}';
+	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());
 }
 
 
-void MathFracInset::WriteNormal(std::ostream & os) const
+void MathFracInset::write(WriteStream & os) const
 {
-	os << '[' << name() << ' ';
-	cell(0).WriteNormal(os);
-	os << " ";
-	cell(1).WriteNormal(os);
-	os << "] ";
+	if (atop_)
+		os << '{' << cell(0) << "\\atop " << cell(1) << '}';
+	else // it's \\frac
+		MathNestInset::write(os);
 }
 
 
-bool MathFracInset::idxRight(int &, int &) const
+string MathFracInset::name() const
 {
-	return false;
+	return atop_ ? "atop" : "frac";
 }
 
-bool MathFracInset::idxLeft(int &, int &) const
+
+void MathFracInset::maple(MapleStream & os) const
 {
-	return false;
+	os << '(' << cell(0) << ")/(" << cell(1) << ')';
 }
 
 
-bool MathFracInset::idxUp(int & idx, int &) const
+void MathFracInset::mathematica(MathematicaStream & os) const
 {
-	if (idx == 0)
-		return false;
-	idx = 0;
-	return true;
+	os << '(' << cell(0) << ")/(" << cell(1) << ')';
 }
 
-bool MathFracInset::idxDown(int & idx, int &) const
+
+void MathFracInset::octave(OctaveStream & os) const
 {
-	if (idx == 1)
-		return false;
-	idx = 1;
-	return true;
+	os << '(' << cell(0) << ")/(" << cell(1) << ')';
 }
 
+
+void MathFracInset::mathmlize(MathMLStream & os) const
+{
+	os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
+}