-bool InsetMathNest::cursorMathForward(Cursor & cur)
-{
- if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
- cur.pushBackward(*cur.nextAtom().nucleus());
- cur.inset().idxFirst(cur);
- return true;
- }
- if (cur.posForward() || idxForward(cur))
- return true;
- // try to pop forwards --- but don't pop out of math! leave that to
- // the FINISH lfuns
- int s = cur.depth() - 2;
- if (s >= 0 && cur[s].inset().asInsetMath())
- return cur.popForward();
- return false;
-}
-
-
-bool InsetMathNest::cursorMathBackward(Cursor & cur)
-{
- if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
- cur.posBackward();
- cur.push(*cur.nextAtom().nucleus());
- cur.inset().idxLast(cur);
- return true;
- }
- if (cur.posBackward() || idxBackward(cur))
- return true;
- // try to pop backwards --- but don't pop out of math! leave that to
- // the FINISH lfuns
- int s = cur.depth() - 2;
- if (s >= 0 && cur[s].inset().asInsetMath())
- return cur.popBackward();
- return false;
-}
-
-