Re: [Qemu-devel] VNC terminal server?

From: Anthony Liguori <aliguori@us.ibm.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] VNC terminal server?
Date: Sat, 08 Apr 2006 21:54:31 -0500	[thread overview]
Message-ID: <44387767.20105@us.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.63.0604082054320.8169@wbgn013.biozentrum.uni-wuerzburg.de>

Johannes Schindelin wrote:
> Hi,
>
> 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 :-(
>   

The USB version of the wacom tablet is not documented.  Only the older 
serial tablets are.

Regards,

Anthony Liguori

>>  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!
>
> Ciao,
> Dscho
>
>
>
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