Re: emacsclient's option decoding code

[Thorsten Bonow <thorsten.bonow@post.rwth-aachen.de>]

>>>>> "mail" == mail  <mail@justinbogner.com> writes:

    mail> Juri Linkov <juri@jurta.org> writes:
    >>> . if -c was specified, try creating a GUI frame, and failing that, try a
    >>> tty frame;
    >>>
    >>> . if --tty was specified, try make-frame-on-tty, if it fails, try using
    >>> the current tty or a GUI frame.
    >>
    >> This looks mostly clear for me.  The only thing I don't understand is why
    >> we need -c?  Emacs has no option for creating a GUI frame and has -nw for
    >> running on a tty, so why should emacsclient be different?  The following
    >> rules are more consistent with the traditional Emacs invocation:
    >>
    >> . if -nw was specified, try make-frame-on-tty, if it fails, try using the
    >> current tty or a GUI frame;
    >>
    >> . if no option specified, try creating a GUI frame, and failing that, try
    >> a tty frame.
    >>
    >> for consistency with
    >>
    >> emacsclient = emacs (create a new GUI frame) emacsclient -nw = emacs -nw
    >> (run emacs on a tty) emacsclient FILE = emacs FILE (open a file in a new
    >> GUI frame) emacsclient -nw FILE = emacs -nw FILE (open a file in a tty)

    mail> But emacsclient has to additionally support "use the existing frame",
    mail> which is what it does (and has always done) when no arguments are
    mail> specified.

Hi,

I kid myself thinking that I asked for a "-c" option first, back in 2003 :-)

I would like to remind you of the discussion back than and my reasons for asking
for it. Removing the "--create-frame" option and make emacs behave as proposed
above would cripple my setup---again.

I'm quoting from "gnu/emacs client --create-frame somehow?"
(http://lists.gnu.org/archive/html/help-gnu-emacs/2003-12/msg00007.html):

>>>>> "Stefan" == Stefan Monnier <address@bogus.example.com> writes:

    >> What I'm looking for is some way of simulating a --create-frame
    >> option and then calling emacsclient/gnuclient --create-frame
    >> FILE

    Stefan> Since server.el and emacsclient.c do not offer any way to
    Stefan> add new options like --create-frame, your best bet is
    Stefan> probably something like

    Stefan>   emacsclient --eval '(find-file-other-frame "FILE")'

    Yes, this opens up a new frame, but then I am loosing the
    [+line-number] option of gnu/emacsclient. My problem started when
    writing with LaTeX in Emacs, previewing with xdvi: With the
    inverse search feature, switching between a line in the document
    and the preview of this part of your document is possible. So I
    wouldn't want to loose the line-number information or open up a new
    frame every time I switch. But in other cases---say when clicking
    on a "mailto:"-tag in my web-browser, I want a new frame for
    composing an email.

    Stefan> But maybe you have a point that it should be possible to
    Stefan> add new options, kind of like what is done with
    Stefan> `command-switch-alist'.

[...]

To put it in a nutshell, even under X, I sometimes want to let emacsclient create a
frame, but sometimes not.

Toto


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