Using the awesome window manager (version 3.5.6), I'm looking for a way to move may focus to the left/right/up/down relative to my currently focused client. For instance, given this layout:
+-----+-----+-----+
| | | |
| A | B | C |
| | | |
+-----+-----+-----+
If the focus is on client A, I'd like a keyboard shortcut that moved the focus to client B. Pressing it again would focus on client C and pressing it another time would do nothing. Other shortcuts would move to the right, up or down.
I know how to bind commands to keyboard shortcuts in my rc.lua
but not which command I could use here, so any help would be appreciated!