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Re: [Qemu-devel] VNC terminal server?

From: Johannes Schindelin
Subject: Re: [Qemu-devel] VNC terminal server?
Date: Sat, 8 Apr 2006 21:04:45 +0200 (CEST)


On Sat, 8 Apr 2006, Leonardo E. Reiter wrote:

> this virtual Wacom tablet you refer to... is there a [free or built-in] 
> Windows 2000/XP driver associated with it that supports either no 
> acceleration and/or absolute positioning?

Frankly, I do not know if they are free. But as nobody pays me to play 
with QEmu, I do not care about Windows so much. And the Wacom drivers for 
Linux are free.

BTW I prefer a virtual wacom tablet to Summagraphics, since kudzu (the 
hardware detection which is used in Knoppix) can detect it. Unfortunately 
just the USB version :-(

>  If so, perhaps I can look at implementing it in QEMU in my "spare" time 
> ;) Do you have a link to documentation and/or drivers?

Wow! What an offer! I have some documentation somewhere, I just had a 
look, and only found the Summagraphics documentation. I will look harder.

> If the guest OS can't be easily told to not do any acceleration and/or 
> use absolute cursor positioning rather than relative moves, it's not 
> that helpful to have a new type of input device.  I suspect a tablet 
> driver can be easily configured this way since design people who 
> probably use these devices want perfect precision between pointer and 
> screen - otherwise they'd probably just use a mouse/trackball.  But you 
> can never be sure how Microsoft (or Wacom) decided to implement the 
> Windows version of the driver.

My favourite cartoonist, Jamiri, is very proud of his Wacom tablet. IIRC, 
it has an integrated LCD display. So, I assume absolute positioning is 
automatically switched on with that tablet.

> The mouse sync solution we have in Win4Lin Pro is okay, but it's a bit 
> slow and I'd like to do something much cleaner.  Of course if I do the 
> wacom tablet implementation, it will be open source and part of QEMU 
> itself.
> Thanks!

Thank you!


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