Only set buffer if it is not null.

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

diff --git a/src/mathed/InsetMathFrac.cpp b/src/mathed/InsetMathFrac.cpp
index 90d507cfbe38fdeee2fca069d312a29d0e6d51af..4870743b48dd819bc52ebf62d28139050118c474 100644 (file)
--- a/src/mathed/InsetMathFrac.cpp
+++ b/src/mathed/InsetMathFrac.cpp
@@ -80,13 +80,13 @@ Inset * InsetMathFrac::clone() const
 
 InsetMathFrac * InsetMathFrac::asFracInset()
 {
-       return kind_ == ATOP ? 0 : this;
+       return kind_ == ATOP ? nullptr : this;
 }
 
 
 InsetMathFrac const * InsetMathFrac::asFracInset() const
 {
-       return kind_ == ATOP ? 0 : this;
+       return kind_ == ATOP ? nullptr : this;
 }
 
 
@@ -215,7 +215,7 @@ void InsetMathFrac::metrics(MetricsInfo & mi, Dimension & dim) const
                        dim.des = dim2.des;
                }
                Changer dummy = (kind_ == UNITFRAC) ? mi.base.font.changeShape(UP_SHAPE)
-                       : Changer();
+                       : noChange();
                Changer dummy2 = mi.base.changeScript();
                if (latexkeys const * slash = slash_symbol()) {
                        Dimension dimslash;
@@ -297,7 +297,7 @@ void InsetMathFrac::draw(PainterInfo & pi, int x, int y) const
                        xx += cell(2).dimension(*pi.base.bv).wid + 4;
                }
                Changer dummy = (kind_ == UNITFRAC) ? pi.base.font.changeShape(UP_SHAPE)
-                       : Changer();
+                       : noChange();
                // nice fraction
                Changer dummy2 = pi.base.changeScript();
                cell(0).draw(pi, xx + 1, y - dy);