use strfwd.h if possible

[lyx.git] / src / mathed / InsetMathKern.cpp

diff --git a/src/mathed/InsetMathKern.cpp b/src/mathed/InsetMathKern.cpp
index ab80287be530f416a539b52873b66e416f20a8f8..3eb54948a364775e9b77cda54c45329cfb3b60e9 100644 (file)
--- a/src/mathed/InsetMathKern.cpp
+++ b/src/mathed/InsetMathKern.cpp
@@ -16,13 +16,10 @@
 #include "MathSupport.h"
 #include "Dimension.h"
 
+#include "support/docstring.h"
 
 namespace lyx {
 
-using std::string;
-using std::auto_ptr;
-
-
 InsetMathKern::InsetMathKern()
 {
 }
@@ -40,21 +37,17 @@ InsetMathKern::InsetMathKern(docstring const & s)
 }
 
 
-auto_ptr<Inset> InsetMathKern::doClone() const
+Inset * InsetMathKern::clone() const
 {
-       return auto_ptr<Inset>(new InsetMathKern(*this));
+       return new InsetMathKern(*this);
 }
 
 
-bool InsetMathKern::metrics(MetricsInfo & mi, Dimension & dim) const
+void InsetMathKern::metrics(MetricsInfo & mi, Dimension & dim) const
 {
        dim.asc = 0;
        dim.des = 0;
        dim.wid = wid_.inPixels(0, mathed_char_width(mi.base.font, 'M'));
-       if (dim == dim_)
-               return false;
-       dim_ = dim;
-       return true;
 }