On Jan 22, 9:19 pm, Alex Holkner <[email protected]> wrote:
> The Joystick class normalises axis values,
The evdev wrapper passes the values trough unnormalized on r2428

> and the Tablet class throws them away and uses window coordinates instead.
I haven't toyed with my tablet yet, but I can imagine situations where
it would be desirable that the input is mapped to a sub-region of the
window.

>  When
> developing for the more esoteric devices, such as space controllers,
> my expectation is that the developer is targetting the user's device
> specifically,
I've got a 6axis space controller, but I intend to use it no different
then a
joystick and not target it specifically.

> (which are often incorrect).
This sheds an entirely new light on the min/max topic, I though they
would be correct. If they're often incorrect I might as well just
implement a device calibration utility to be used on a device before
that device can actually be used by a program.

The space controller of mine (3dconnexion space navigator PE) has a
problem with evdev that its axes are reported as Relative (even though
they're Absolute), and from having a quick glance at evdev.c in the
linux kernel I can tell there's no way to get min/max information for
relative axes (you have a #TODO there, but you can just as well drop
that for evdev)


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