// to which we are going (or from which we are returning) is
// restored in the dialog. It's a bit of a hack, but it works,
// and no-one seems to have any better idea.
- bool const toggled = last_reference_.empty();
+ bool const toggled =
+ last_reference_.isEmpty() || last_reference_.isNull();
if (toggled)
last_reference_ = referenceED->text();
gotoRef();