Have you ever read the book Adult Children of Emotionally Immature Parents: How to heal from distant, rejecting, or self-involved parents by Lindsay C. Gibson? It helped my wife immensely with similar struggles. Your library should have a copy of it. She said it was like taking the blindfolds off and how once you recognize it you can’t unsee it.
Here’s a good article too https://www.additudemag.com/emotionally-immature-parents-adhd/



Check out the TV mini series Normal People (2020). Some main plot elements sound very much similar to your experience.