tablet as a second monitor on linux

[Alex Deucher]

On Thu, Dec 20, 2012 at 2:13 PM, Adam Groszer <agroszer at gmail.com> wrote:
> (missed the list)
>
>
> ---------- Forwarded message ----------
> Hello,
>
> Seems like xfwm4 is the culprit, metacity handles
>
> xrandr --addmode VGA-0 1280x800
> xrandr --output VGA-0 --mode 1280x800 --right-of LVDS
>
> just fine

Ok, but those are local connectors on a single GPU, not a remote display.

Alex

>
> On Wed, Dec 19, 2012 at 2:48 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
>> On Wed, Dec 19, 2012 at 3:21 AM, Adam GROSZER <agroszer.ll at gmail.com> wrote:
>>> On 12/18/2012 08:44 PM, Alex Deucher wrote:
>>>>
>>>> On Tue, Dec 18, 2012 at 1:30 PM, Adam Groszer <agroszer.ll at gmail.com>
>>>> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I'm trying to use an android tablet as a secondary monitor for my laptop.
>>>>> Secondary monitor as one physical would be plugged into the VGA port.
>>>>> Googling resulted in no concrete solution.
>>>>
>>>>
>>>> Does the tablet have a VGA input port and can it act as a monitor or
>>>> are you asking about using it as a virtual second monitor?  If the
>>>> latter, you can probably play with xdmx assuming you can get an
>>>> xserver running on the tablet, however, there's no real official
>>>> solution that I know of.  Anything will basically be a hack.
>>>>
>>>> Alex
>>>
>>>
>>> No VGA, I definitely need it as virtual, any communication can go only over
>>> TCP/IP.
>>>
>>> There's an xserver for android, but it's rather incomplete.
>>> Starting xfwm4 with it burps a lot of errors.
>>> As it looks the most solid way to mirror a screen to a tablet is vnc.
>>>
>>> The question is, how to create the secondary headless virtual monitor with
>>> X. I'm lost there.
>>> (Maybe I'll force with xrandr to display that secondary on the VGA against
>>> no real monitor connected.
>>> Something along:
>>> http://lists.freedesktop.org/archives/intel-gfx/2009-October/004531.html
>>> or
>>> http://askubuntu.com/questions/150879/can-i-force-vga-signal-output-even-when-xrandr-shows-disconnected
>>> Because what I actually want is like having a second monitor, but it's
>>> "attached" via vnc-TCP/IP)
>>>
>>
>> As I said, originally, you need something like xdmx:
>> http://en.wikipedia.org/wiki/Xdmx
>> It's basically a proxy xserver that connects to xservers on multiple
>> boxes and presents the result as a single xserver.
>>
>> Alex
>>
>>>>
>>>>>
>>>>> With some help of a friend, the http://pastie.org/5548492 script kind
>>>>> of works. (on xubuntu 11.10)
>>>>> Problems:
>>>>> - the XFCE top panel gets extended to the "tablet monitor"
>>>>> - the mouse pointer cannot enter the "tablet monitor"
>>>>> - both above together cause the panel to be inaccessible
>>>>>
>>>>> Any pointers are welcome, how to solve this.
>>>>>
>>>>> --
>>>>> Best regards,
>>>>>   Adam
>>>
>>>
>>> --
>>> Best regards,
>>>  Adam GROSZER
>>> --
>>> Quote of the day:
>>> It's hard to remain true to a changing self.
>
>
>
> --
> Best regards,
>  Adam
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