The Jogwheel is nice but I wouldn’t use it this way if I were you.
What I’d do would be to use both joysticks and this jogwheel. I know you don’t have joysticks right now, but those things are really super cheap and you can make your project including these even if you did not receive them yet. They can be installed at the very end, it doesn’t matter 
-Use the Joysticks to be able to quickly move from somewhere to somewhere else. It’s more convenient since you don’t have to switch between axis and click on a button every time. Much more intuitive.
-Use the jogwheel for precise movements, by correlating the wheel markings to actual dimensional movements. This can be very useful for precision positioning or, even better, for actual cutting in manual mode.
So, this way, you first move to the place you want to cut something using the joysticks, set your origin. Then you use the jogwheel to cut a 25.6 x 38.2mm rectangle, for instance. Basically the jogwheel would be a manual cutting tool, each increment could be 0.1mm of distance or whatever you want, and since you have markings on the wheel yo could easily do very accurate cuts.
That’s probably how I would have done it if I happened to have one of these wheels, the idea didn’t occur to me at that time.
You’d just need a button to switch between joystick mode or jogwheel mode. When pressing this button, you’d have to use both the joystick and the jogwheel together to get a movement.
For instance, you want to move the x axis 2.4mm to the right? Then move your joystick to the right and turn the jogwheel until it reaches 2.4mm. This way you don’t have to bother with “which way should I turn the jogwheel to go right”, it wouldn’t matter since the direction would be set by the joystick, which is much more intuitive.
You want to move the Y axis 5.6mm away from you? Then move the Y axis joystick away and turn the jogwheel until it reaches 5.6mm.
You just moved your jogwheel to 5.6mm and you have to do your next cut which is a 45.7mm cut. You don’t want to do the math? Then jus release the joysticks and move the jogwheel back to zero. No axis shoud move. You’re ready for your next cut, easy.
You can even probably move both axis at the same time so you can have 45 degree movements, using the same principles.
The code would need to be a bit different here, since it would need to be speed driven instead of just distance driven like the one I’m using. But this is probably easy to do.
And if you’re good at coding I suppose you could do some awesome stuff, like circles using some joystick combinations and the jogwheel. (ex: first go to the center, switch to maanual mode, then rotate the joystick all around twice, set the jogwheel to 5 mm and it will cut you a circle of a 5mm radius around the point you just set up as your center). There are lots of awesome possibilities for anyone who like to play around with the code I guess.
I think this would be the perfect remote control, If I wasn’t lazy to start over that’s probably how I’d do it.