I'd like to be able to grab text (or right click on it) and rotate it (at least by 45 degree increments, or any angle that is allowed for lines by the snap-to-grid functionality; it looks like 22.5 degrees is the finest increment allowed), so that I put text along the diagonal lines, as in this diagram generated by an online Reed-Kellog Sentence Diagrammer:

This is the closest approximation I've been able to come up with using Logos, but it's not ideal:
