X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathBig.cpp;h=117127e882ba2c303dfaa453d0b1e72dd3e2bef5;hb=12314897982e07afd8926c997f66d7bb08e7e1fd;hp=e56acca0785c713ac60d8d2c1bc18ce7537ef2a2;hpb=f497296c30e6da2f97b16da8ad1c9e96feffb16b;p=lyx.git

diff --git a/src/mathed/InsetMathBig.cpp b/src/mathed/InsetMathBig.cpp
index e56acca078..117127e882 100644
--- a/src/mathed/InsetMathBig.cpp
+++ b/src/mathed/InsetMathBig.cpp
@@ -22,8 +22,6 @@
 
 namespace lyx {
 
-using std::auto_ptr;
-
 
 InsetMathBig::InsetMathBig(docstring const & name, docstring const & delim)
 	: name_(name), delim_(delim)
@@ -36,9 +34,9 @@ docstring InsetMathBig::name() const
 }
 
 
-auto_ptr<InsetBase> InsetMathBig::doClone() const
+Inset * InsetMathBig::clone() const
 {
-	return auto_ptr<InsetBase>(new InsetMathBig(*this));
+	return new InsetMathBig(*this);
 }
 
 
@@ -62,30 +60,29 @@ double InsetMathBig::increase() const
 }
 
 
-bool InsetMathBig::metrics(MetricsInfo & mi, Dimension & dim) const
+void InsetMathBig::metrics(MetricsInfo & mi, Dimension & dim) const
 {
 	double const h = theFontMetrics(mi.base.font).ascent('I');
 	double const f = increase();
 	dim.wid = 6;
 	dim.asc = int(h + f * h);
 	dim.des = int(f * h);
-	if (dim_ == dim)
-		return false;
-	dim_ = dim;
-	return true;
+	// Cache the inset dimension. 
+	setDimCache(mi, dim);
 }
 
 
 void InsetMathBig::draw(PainterInfo & pi, int x, int y) const
 {
+	Dimension const dim = dimension(*pi.base.bv);
 	// mathed_draw_deco does not use the leading backslash, so remove it
 	// (but don't use ltrim if this is the backslash delimiter).
 	// Replace \| by \Vert (equivalent in LaTeX), since mathed_draw_deco
 	// would treat it as |.
 	docstring const delim = (delim_ == "\\|") ?  from_ascii("Vert") :
 		(delim_ == "\\\\") ? from_ascii("\\") : support::ltrim(delim_, "\\");
-	mathed_draw_deco(pi, x + 1, y - dim_.ascent(), 4, dim_.height(),
-	                 delim);
+	mathed_draw_deco(pi, x + 1, y - dim.ascent(), 4, dim.height(),
+			 delim);
 	setPosCache(pi, x, y);
 }