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.
Personal Hotbar Setup
SSD == Winged Glide HJ + MD combined
General XHB combat layout I use in game. Feel free to use it if curious on how the flow might gauge for you.
[MINDSET]
DYE represents placing the job's TINT in said slot.
6.3
Using Early Gluttony Opener from The Balance
https://www.thebalanceffxiv.com/jobs/melee/reaper/openers/
Single target and Reaver skills on right, AOE and gauge skills on left, buffs and healing in similar place to other DPS setups.