xrxs/uxn-client/cart_select_notes.md

how to render lists

1. start at top of list area
2. seek until ;list-offset \n have been read
3. drawstr until \n (if y index is hihglihgt index, draw highlighted)
4. increment y and reset x
5. if y > height/8 - 80, break

how to highlight list elements

1. if .Mouse/x > 64 && < width - 64 && .Mouse/y > 40 && < height - 40
2. index = ((.Mouse/y - 40)/8) + ;list-offset

on click

1. take highlight index
2. seek listbuf until as many \n have been read
3. read until next \n into loadcmdbuf + len(load )