How do you hijack keyboard controls in Jupyter using Julia?

General Usage
1

Let’s say you’re building a game in Jupyter using Julia.

Eventually, you’ll need to use the arrow keys to move something around a maze (or play 2048)

What is the best way to highjack keyboard controls?

The idea would be that:

  • some HTML is already rendered and
  • anything keyboard related would end with a Javascript call

similar topics:

edit: would it also be possible to make the key press have a time limit?

// akin to DDR, Guitar Hero, or "Press 'X' to dodge!"

2

Jupyter’s interface is in Javascript, and you need Javascript to write new widgets or to do anything with the UI that goes outside the Jupyter message spec.

3

But how can javascript talk to julia?

Is this in the docs somewhere?

basically the julia version of:

4

Best answer would be to use the WebIO Julia Gizmo: