Fix assertion when checking if change in selection

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

diff --git a/src/mathed/InsetMathOverset.cpp b/src/mathed/InsetMathOverset.cpp
index 9d835f0d9e3d60c8f0e190e08f1515dd0904abf8..3d36218d631eeabe09c99ea380aef70e4a5f4a35 100644 (file)
--- a/src/mathed/InsetMathOverset.cpp
+++ b/src/mathed/InsetMathOverset.cpp
@@ -70,6 +70,24 @@ bool InsetMathOverset::idxUpDown(Cursor & cur, bool up) const
 }
 
 
+bool InsetMathOverset::idxFirst(Cursor & cur) const
+{
+       LASSERT(&cur.inset() == this, return false);
+       cur.idx() = 0;
+       cur.pos() = 0;
+       return true;
+}
+
+
+bool InsetMathOverset::idxLast(Cursor & cur) const
+{
+       LASSERT(&cur.inset() == this, return false);
+       cur.idx() = 0;
+       cur.pos() = cur.lastpos();
+       return true;
+}
+
+
 void InsetMathOverset::write(WriteStream & os) const
 {
        MathEnsurer ensurer(os);