bool InsetMathUnderset::idxUpDown(Cursor & cur, bool up) const
{
idx_type target = up; // up ? 1 : 0, since upper cell has idx 1
if (cur.idx() == target)
return false;
cur.idx() = target;
cur.pos() = cur.cell().x2pos(&cur.bv(), cur.x_target());
return true;
}
bool InsetMathFracBase::idxUpDown(Cursor & cur, bool up) const
{
// If we only have one cell, target = 0, otherwise
// target = up ? 0 : 1, since upper cell has idx 0
InsetMath::idx_type target = nargs() > 1 ? !up : 0;
if (cur.idx() == target)
return false;
cur.idx() = target;
cur.pos() = cell(target).x2pos(&cur.bv(), cur.x_target());
return true;
}
bool InsetMathFrac::idxForward(Cursor & cur) const
{
InsetMath::idx_type target = 0;
if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
if (nargs() == 3)
target = 0;
else if (nargs() == 2)
target = 1;
} else
return false;
if (cur.idx() == target)
return false;
cur.idx() = target;
cur.pos() = cell(target).x2pos(&cur.bv(), cur.x_target());
return true;
}
bool InsetMathScript::idxLast(Cursor & cur) const
{
cur.idx() = 0;
cur.pos() = nuc().size();
return true;
}
bool InsetMathScript::idxFirst(Cursor & cur) const
{
cur.idx() = 0;
cur.pos() = 0;
return true;
}
bool InsetMathUnderset::idxLast(Cursor & cur) const
{
cur.idx() = 1;
cur.pos() = cur.lastpos();
return true;
}
bool InsetMathUnderset::idxFirst(Cursor & cur) const
{
cur.idx() = 1;
cur.pos() = 0;
return true;
}
