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From: William Witt 
Subject: Re: Change X screen of app at runtime
Newsgroups: alt.os.linux.ubuntu
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Date: Wed, 07 Mar 2007 17:20:27 -0500
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Rehceb Rotkiv wrote:

> Hello all,
> 
> I followed these [https://help.ubuntu.com/community/NvidiaTVOut]
> instructions and configured X to use a second X screen for the TV-out of
> my Nvidia card. I know how to start a program on the second screen by
> setting the DISPLAY environment variable, but is it possible to change
> the screen an app is running on at runtime?
> 
> Thanks,
> Rehceb

Look into xinerama, I have two monitors, not TV out, but xinerama extends
the x session to both screens as opposed to having one session on each, so
you can just drag windows over there.  My ServerLayout section of my
xorg.conf looks like this:

Section "ServerLayout"

  #option "Clone" "off"
#  InputDevice "stylus" "SendCoreEvents"
#  InputDevice "cursor" "SendCoreEvents"
#  InputDevice "eraser" "SendCoreEvents"
    Identifier     "Default Layout"
    Screen      0  "Default Screen" 0 0
    Screen      1  "screen1" RightOf "Default Screen"
    InputDevice    "Generic Keyboard"
    InputDevice    "Configured Mouse"
    Option         "Xinerama" "on"
EndSection

Will
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