Sharing the Xserver with docker container

[Tong Sun]

On Sun, Jan 24, 2021 at 11:09 PM Tong Sun <suntong001 at gmail.com> wrote:
>
> On Sun, Jan 24, 2021 at 11:06 PM Tong Sun <suntong001 at gmail.com> wrote:
> >
> > On Sun, Jan 24, 2021 at 10:45 PM Ryan Schmidt <ryandesign at macports.org> wrote:
> > >
> > >
> > >
> > > On Jan 24, 2021, at 21:42, Tong Sun wrote:
> > >
> > > > On Sun, Jan 24, 2021 at 10:31 PM Ryan Schmidt wrote:
> > > >
> > > >> I found this article about how to do this. Maybe it will help?
> > > >>
> > > >> https://medium.com/@mreichelt/how-to-show-x11-windows-within-docker-on-mac-50759f4b65cb
> > > >>
> > > >> Where it says "install XQuartz", don't, since you already have the MacPorts X11.app which is equivalent to but newer than XQuartz.
> > > >>
> > > >> It sounds like the key may be to set "Allow connections from network clients" in X11.app's Preferences window, close and reopen X11.app, and run "xhost + 127.0.0.1" and "export DISPLAY=host.docker.internal:0" in the Docker image.
> > > >
> > > > Hmm... I've looked everywhere but cannot find this "Allow connections
> > > > from network clients" in X11.app's Preferences window. Where can I
> > > > find it?
> > > >
> > > > Without such step, I'm getting
> > > >
> > > > $ xhost + 127.0.0.1
> > > > xhost:  unable to open display "127.0.0.1:0"
> > >
> > > Open X11.app. Choose Preferences from the X11 menu. Select the Security tab.
> >
> > Ah, got it working. Thanks a lot!!
> >
> > Just that there is 10 extra second delay, which I have no idea where
> > it is coming from --
> >
> > $ time xclip -o -selection clipboard
> > Last login: Sun Jan 24 17:05:13 on console
> >
> > real 0m10.057s
> > user 0m0.002s
> > sys 0m0.004s
> >
> > Subsequent requests are served very fast:
> >
> > $ time xclip -o -selection clipboard
> > Last login: Sun Jan 24 17:05:13 on console
> >
> > real 0m0.014s
> > user 0m0.003s
> > sys 0m0.002s
> >
> > until the clipboard content is changed, when there will be another
> > extra 10s delay.
> >
> > Neither  macport's xorg-server nor docker should cause such delay. Weird.
>
> Indeed! try to run the exact same command outside macport's xterm and
> docker (in mac native terminal), and got the exact same behavior.

Hmmm, from

Open X11.app. > Preferences from the X11 menu > Pasteboard

I think the 10s delay is caused by the Pasteboard update.