This actionbar enables three modes: the default actionbar, a short actionbar and a long actionbar. To toggle between those three modes open your keybinds an scroll down to the bottom to find an entry called toggle Actionbarsize/toggle Actionbar. Set a keybinding to switch modes.
WARNING: this addon is beta and there might/will be errors with teints and some special position things when enabled shape and petbar and leaving a vehicle.
Open you keybindings
Scroll down to Actionbarsize/toggle Actionbar
set a keybinding for it
use your favorite layout
don't know, maybe some things to hide, some things to add ...
fixed a position bug within the shortbar layout