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Subject: Re: [9front] Mouse clipping patch
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Quoth José Miguel Sánchez García <soy.jmi2k@gmail.com>:
> After talking with some people about the need of proper mouse grabbing
> for some programs (think about vncv, qwx's quake ports, screenlock),
> I've implemented it. The devmouse and libdraw patches modify
> /dev/mousectl to accept two new commands: "clip x0 y0 x1 y1" and
> "release".

Mentioned elsewhere -- but what if instead of this,
we did a "raw" or "relative" command, which did two
things:

	1. Made mouse updates provide deltas from the
	   previous position.
	2. Disabled automatic cursor position updates.

This would mean that an application which requested
relative motion commands would be responsible for
warping the cursor to where it wanted it to be.

That would allow the application to emulate clipping,
but would also be what games want, allowing infinite
side scrolling (for example).