Re: [Linuxwacom-discuss] Problem using two monitors

[Gerco B. <ge...@ba...>]

On 07/26/2010 02:55 PM, Favux ... wrote:
> On Sun, Jul 25, 2010 at 2:07 PM, Gerco Ballintijn<ge...@ba...>  wrote:
>> Hi Favux,
>>
>> My setup is as follows:
>> * Debian GNU/Linux squeeze/sid
>> * Kernel 2.6.32
>> * Wacom driver:
>>   - the default  (I think 0.8.8)
>>   - 0.10.7  (compiled myself)
>> * Wacom Bamboo
>> * 1 Videocard: nVidia eForce 9600 GT
>> * 2 Monitors
>> * xorg.conf:
>>   - 2 screens (i.e. no twinview)
>>   - 3 x InputDevice (stylus, eraser, pad)
>>   - Xinerma on
>>   - AutoAddDevices off
>>
>> I tried several setups both with the cursor locked on a single screen
>> and free (combinations of the MMonitor and ScreenNo option). The option
>> to keep the cursor in one screen or free works fine.
>
> Hi Gerco,
>
> Good, that should be enough for someone who knows this stuff to help.
>
>> The problem is that the cursor is only visible in the left part of the left
>> screen and/or the right part of the right screen. If the cursor is free to
>> move between screens, it jumps from the middle of the left screen to the
>> middle of the right screen. If the cursor is locked on the left screen, it
>> moves from the left to the middle of the screen while moving the stylus from
>> left to right on the tablet; if it is locked on the right screen, it moves
>> from the middle to the right of the screen while moving the stylus. It is
>> this using of the half of the screens that's the problem.
>>
>
> I think if you turned off xinerama and used the nVidia control panel
> to setup twinview then the xsetwacom commands would give you one
> screen or the other.  Why xinerama over twinview?
>

Well, I had some problems with window managers not recognizing the
twinview mode. I like to have a primary screen to work on with only
on this screen the normal window manager bells-n-whistles and a
secondary screen to dump windows and icons on (out of the way). It
appears, however, that GNOME does recognize twinview when configured
in the xorg.conf file. And so this appears to be possible.

The main problem is the fact that in twinview the tablet is mapped to
the whole desktop (i.e, both twinview screens). And, given that I only
use the tablet in one screen at a time, halve the tablet is not used,
and I have thus less than optimal resolution on the tablet.

I am somewhat confused about the latter since the driver code does
suggest that the ScreenNo option should work with twinview mode.

With regards,
Gerco.