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Re: X selections and multi tty

From: Chong Yidong
Subject: Re: X selections and multi tty
Date: Thu, 26 May 2011 23:43:09 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Stefan Monnier <address@hidden> writes:

> I think it only checks to see if it owns the selection *on the same
> "display"*, just via some other "terminal" (since several terminals can
> share the same display).

On second thought, I'm still a bit confused.  When you say that two
terminals can share the same display, are you literally referring to
pointers to X display structures?  i.e.

  t1->display_info.x->display == t2->display_info.x->display

with t1 not the same terminal as t2?  I don't think that's possible,
since the (Display *) pointers are received from XOpenDisplay in
x_term_init, and each x_display_info has a one to one correspondences
with a terminal.

By "display", I think you're referring to equivalence under
same_x_server(), but with different (Display *) pointers, right?

If that's the case, making Vselection_alist a terminal parameter is
exactly TRT, since interactions with the X server for selection
operations are all done with (Display *).

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