A limited set of actions can assigned via macro commands. Incompatible actions are ommited from the generated macro. Also note that Macros are limited to 15 lines each.
Layout created by the YouTuber Squintina https://www.youtube.com/watch?v=s3LA7ap4gM0 with some adaptations.
I'm just jazzing here
This layout is designed around the following hardware:
Key: ^ - Control, * - Shift
From Bun boss video. 3 is shared between jobs
Working on a lv80 Warrior and this is my hotbar configuration.