Global list of non-printable control key codes.
WARNING!!! All codes in this file (exclude 'volumeUp', 'volumeDown') uses in window 'keydown' handler to prevent wrong 'keypress' firings. If u add code into this file, 'keypress' event with this code will never fires.
| Value | Description |
|---|---|
| +1000 | shift key pressed |
| +2000 | alt key pressed |