Re: [gentoo-user] Re: Can't paste from selection in gtk-3 apps

["J. Roeleveld" <joost@antarean.org>]

On Friday 18 September 2015 13:23:49 Grant Edwards wrote:
> On 2015-09-18, J. Roeleveld <joost@antarean.org> wrote:
> > On Thu, September 17, 2015 16:33, Grant Edwards wrote:
> >> On 2015-09-17, Grant Edwards <grant.b.edwards@gmail.com> wrote:
> >>> On 2015-09-17, J. Roeleveld <joost@antarean.org> wrote:
> >>>>>> I use 2 screens extensively and never experienced any issues like you
> >>>>>> describe.
> >>>>> 
> >>>>> And you can select/paste from one screen to another where the source
> >>>>> is a gtk-3 app?
> >>>> 
> >>>> Not sure, need to test with a gtk-3 app.
> >>>> 
> >>>> I run KDE myself.
> >>>> 
> >>>>> I should clarify that I mean "screen" in the strict X11 usage.  Using
> >>>>> Xinerama or the like to spread a single desktop across multiple
> >>>>> monitors is still a single screen setup.  I'm trying to select text
> >>>>> on DISPLAY=:0.0 and paste it on DISPLAY=:0.1
> >>>> 
> >>>> Not using my desktop atm.
> >>>> What does Xorg do by default when it detects multiple screens?
> >>> 
> >>> Not sure -- I'll have to give it a try. IIRC, it just uses the first
> >>> one.
> >> 
> >> At least on my machine, if I start up X11 without a configuration
> >> file it only uses one of my three monitors.  That behavior may depend
> >> on which boards are installed and which board/driver is found first.
> > 
> > On my desktop:
> > 
> > $ cat /etc/X11/xorg.conf
> > Section "Device"
> > 
> >         Identifier  "Card0"
> >         Driver      "nvidia"
> >         BusID       "PCI:2:0:0"
> > 
> > EndSection
> > 
> > (Without this, X doesn't start, complaining it can't find VESA)
> > 
> > echo $DISPLAY returns the same on both desktops.
> 
> That is a single X11 screen spread across two physical monitors.  It
> will not exhibit the gtk-3 selection bug.
> 
> Are you sure you have two desktops and it's not just a single desktop
> that is spread across two monitors?  Can you drag a window from one
> monitor to the other?  If you can, then it's a single desktop.

Yes, I can.
When I maximize a window, it's only on 1 screen.

This is how it seems "right" to me.

Why would I want it to be different? Eg. windows can't be moved between 
screens? I don't see the point of having more than 1 screen in that case.

--
Joost