Joystick Shift Button

[fedekrum]

It would be a super nice feature to be able to select a joystick button as the "shift" button.
If any joystick button is selected as "shift" button, you can have a second set of functions assigned to all the other buttons and joysticks on the gamepad.

This nearly duplicate the buttons on the gamepad but more important, will prevent to execute dangerous things accidentally by touching the controller.

The other idea (less ambitious) is that you must always press a shift button to execute something on the joystick.

My 2 cents !!