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List:       freedesktop-xorg
Subject:    Fwd: tablet as a second monitor on linux
From:       Adam Groszer <agroszer () gmail ! com>
Date:       2012-12-20 19:13:27
Message-ID: CAJk=hQY1i9Nw7vmvsetJHv=bQ70qCt8f6zKBW0+Uv+MUsB0tUA () mail ! gmail ! com
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(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

On Wed, Dec 19, 2012 at 2:48 PM, Alex Deucher <alexdeucher@gmail.com> wrote:
> On Wed, Dec 19, 2012 at 3:21 AM, Adam GROSZER <agroszer.ll@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@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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