A variable that lets you enable joystick (and gamecontroller) events even when your app is in the background.
Defined in SDL_hints.h
#define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"
The variable can be set to the following values:
The default value is "0". This hint may be set at any time.