Learn English – “Happy for you are improving”—grammatically correct

At face value, and taken literally, these are both positive.

Both can also be said sarcastically or with self-pity, and in that sense they could be negative.

Perhaps you are looking for doting:-

dote intr.v. dot·ed, dot·ing, dotes To show excessive fondness or love: parents who dote on their only child. doter n.