* emacsclient frame reuse
@ 2009-08-04 21:07 jem
2009-08-04 22:18 ` A.Politz
0 siblings, 1 reply; 4+ messages in thread
From: jem @ 2009-08-04 21:07 UTC (permalink / raw)
To: help-gnu-emacs
I've been testing the new 23 build and the --daemon option and have a
question how to get it to operate as I used to have gnuserv working.
Here's the scenario -- I have running in the background an emacs
instance using the --daemon flag. Now, I want to edit a new file in
an X window frame so I have a script that will launch:
emacsclient -c -n file
This fires a new frame with the file and returns. Now I want to edit
a second file, in the same frame. If I use the same command
emacsclient -c -n file2
I get a new frame, where I wanted to share the previous frame.
Instead I have to use
emacsclient -n file2
to reuse the frame.
If I don't have any running frames (either TTY or X) and use the
emacsclient -n file command, there is a quick flash in the terminal
then it goes away as the client assumes TTY and the process
terminates.
I would like to have a single script that I can invoke that will do
the right thing. If there is no visible frame, use the -c option. If
there is a visible frame do not use the -c option. The problem is, I
can't find a way to determine if there is a visible frame. Because of
the -n option, the previous emacsclient process has exited.
In the older model with gnuserv I was able to add
(setq gnuserv-frame (car (frame-list)))
and my startup script looked like
gunclient -n $@ 2>/dev/null
if [ $? -ne 0 ]
then
emacs $@ &
fi
which would start emacs if not started (I loaded gnuserv in the
init.el file) or connect to the existing one and share the frame.
How can you detect if there is already a running frame with the newest
version?
Thanks
Jere
~
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: emacsclient frame reuse
2009-08-04 21:07 emacsclient frame reuse jem
@ 2009-08-04 22:18 ` A.Politz
2009-08-05 0:22 ` jem
0 siblings, 1 reply; 4+ messages in thread
From: A.Politz @ 2009-08-04 22:18 UTC (permalink / raw)
To: help-gnu-emacs
On Aug 4, 11:07 pm, jem <jere.mcdev...@gmail.com> wrote:
> How can you detect if there is already a running frame with the newest
> version?
>
> Thanks
>
> Jere
> ~
#!/bin/sh
EMACS=emacs-23.1
EMACSCLIENT=emacsclient-23.1
FLAGS=-n
$EMACSCLIENT -e nil >/dev/null || $EMACS --daemon
NR_FRAMES=$($EMACSCLIENT -e '(1- (length (frame-list)))')
if [ $NR_FRAMES -eq 0 ];then
FLAGS="$FLAGS -c"
fi
$EMACSCLIENT $FLAGS "$@"
There seems to be an invisible frame, representing the daemon or
something.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: emacsclient frame reuse
2009-08-04 22:18 ` A.Politz
@ 2009-08-05 0:22 ` jem
2009-08-05 0:40 ` jem
0 siblings, 1 reply; 4+ messages in thread
From: jem @ 2009-08-05 0:22 UTC (permalink / raw)
To: help-gnu-emacs
On Aug 4, 6:18 pm, "A.Politz" <poli...@googlemail.com> wrote:
> On Aug 4, 11:07 pm, jem <jere.mcdev...@gmail.com> wrote:
>
> > How can you detect if there is already a running frame with the newest
> > version?
>
> > Thanks
>
> > Jere
> > ~
>
> #!/bin/sh
>
> EMACS=emacs-23.1
> EMACSCLIENT=emacsclient-23.1
> FLAGS=-n
>
> $EMACSCLIENT -e nil >/dev/null || $EMACS --daemon
>
> NR_FRAMES=$($EMACSCLIENT -e '(1- (length (frame-list)))')
>
> if [ $NR_FRAMES -eq 0 ];then
> FLAGS="$FLAGS -c"
> fi
>
> $EMACSCLIENT $FLAGS "$@"
>
> There seems to be an invisible frame, representing the daemon or
> something.
Thanks, this works quite well.
Jere
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: emacsclient frame reuse
2009-08-05 0:22 ` jem
@ 2009-08-05 0:40 ` jem
0 siblings, 0 replies; 4+ messages in thread
From: jem @ 2009-08-05 0:40 UTC (permalink / raw)
To: help-gnu-emacs
On Aug 4, 8:22 pm, jem <jere.mcdev...@gmail.com> wrote:
> On Aug 4, 6:18 pm, "A.Politz" <poli...@googlemail.com> wrote:
>
>
>
> > On Aug 4, 11:07 pm, jem <jere.mcdev...@gmail.com> wrote:
>
> > > How can you detect if there is already a running frame with the newest
> > > version?
>
> > > Thanks
>
> > > Jere
> > > ~
>
> > #!/bin/sh
>
> > EMACS=emacs-23.1
> > EMACSCLIENT=emacsclient-23.1
> > FLAGS=-n
>
> > $EMACSCLIENT -e nil >/dev/null || $EMACS --daemon
>
> > NR_FRAMES=$($EMACSCLIENT -e '(1- (length (frame-list)))')
>
> > if [ $NR_FRAMES -eq 0 ];then
> > FLAGS="$FLAGS -c"
> > fi
>
> > $EMACSCLIENT $FLAGS "$@"
>
> > There seems to be an invisible frame, representing the daemon or
> > something.
>
> Thanks, this works quite well.
>
> Jere
Had to make one minor change:
(- 1 (length (frame-list)))
but otherwise it works great.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-08-05 0:40 UTC | newest]
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2009-08-04 21:07 emacsclient frame reuse jem
2009-08-04 22:18 ` A.Politz
2009-08-05 0:22 ` jem
2009-08-05 0:40 ` jem
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