If set, this hint will override the expected results for
SDL_GetDisplayUsableBounds() for display index 0. Generally you don't want
to do this, but this allows an embedded system to request that some of the
screen be reserved for other uses when paired with a well-behaved
application.
The contents of this hint must be 4 comma-separated integers, the first is
the bounds x, then y, width and height, in that order.
Override for SDL_GetDisplayUsableBounds().
If set, this hint will override the expected results for SDL_GetDisplayUsableBounds() for display index 0. Generally you don't want to do this, but this allows an embedded system to request that some of the screen be reserved for other uses when paired with a well-behaved application.
The contents of this hint must be 4 comma-separated integers, the first is the bounds x, then y, width and height, in that order.
This hint can be set anytime.