Hooks

Name	Underlying Event	Description
`Hooks:Backspace()`	`on.backspaceKey()`	Runs when the backspace key is pressed
`Hooks:CharIn(c)`	`on.charIn(c)`	Runs on character input, only when no component is focused
`Hooks:Paint(gc)`	`on.paint(gc)`	Runs when the screen is re-drawn, use raw nspire draw api

How to define a hook

/hooks.lua:

function Hooks:CharIn(c)
    Lib.Debug.Print("pressed " .. tostring(c))
end