2 | Ascii
of char
| Code
of int | Fn
of int
3 | Backspace
| Delete
| Escape
| Insert
| Enter
4 | KPdelete
| KPdown
| KPend
| KPenter
| KPhome
5 | KPleft
| KPminus
| KPnext
| KPplus
| KPprior
| KPright
| KPup
6 | Up
| Down
| Left
| Right
| Next
| Prior
| Home
| End
