[OS X Emacs] Re: one-buffer-one-frame-mode strangeness with Spaces

Paul Rathouz rathouz at biostat.wisc.edu
Mon Oct 25 23:45:35 EDT 2010


Hi All --

I have this same problem.  Contrary to the first post by Ted, and 
consistent with the older 2009 post he found, I have 
'one-buffer-one-frame' turned off (i.e., 'Show Buffers in New Frames' is 
not checked).  It would be great if a fix for this could be found!  -- 
pr

On Mon, 25 Oct 2010, Ted Middleton wrote:

> On Oct 25, 2010, at 5:45 PM, Ted Middleton wrote:
>>> If you have one-buffer-one-frame-mode turned on (which I think you really have to do if you're using aquamacs with Spaces) then as the bug states, for some reason this prompts OS X to switch spaces. It makes aquamacs nearly unusable with Spaces.
>
>> Have you tried the current development version (nightly build of master branch)?
>
> I think so - is that not the tarball at this address?
>
> http://braeburn.aquamacs.org/~dr/Aquamacs/Aquamacs-nightly.tar.bz2
>
> At any rate, I just did a git-clone of aquamacs-emacs and built HEAD
> of master, and it still has this problem.
>
>>> Is there a work-around or a quick fix for this? If not, does anyone know where the code is that handles frame-focus transitions and creating attaching new frames to existing aquamacs instances? I've built regular emacs 23 on my system but it behaves very differently - it actually creates separate emacs processes. I'd be willing to look at this myself, but I'm not sure where to start.
>
>> I'm not sure if we agree on what "process" and "aquamacs instance" mean.  Can you elaborate?
>
> Sorry - I'll explain.
>
> Say I have some number of Spaces open, say 9, and I have a Terminal
> command line in Space 4 and another one in Space 7. Also say that I
> built both the HEAD of aquamacs and the HEAD of emacs23 on Savannah
> and I have both of these installed in my Applications directory.
> Furthermore, say that I've installed the command line tool 'aquamacs'
> in my path somewhere and that I have a similar symlink for emacs 23,
> maybe in /usr/local/bin, called emacs23.
>
> In Space 4 I type 'aquamacs somefile.txt' and it opens aquamacs with
> the somefile.txt file in a buffer. In Space 4 I type 'emacs23
> somefile.txt' and similarly it opens emacs 23 with the somefile.txt
> file in a buffer.
>
> Then, I switch to Space 7. In Space 7 I type 'aquamacs otherfile.txt'.
> A new frame (NSWindow?) for aquamacs opens in Space 7 with
> otherfile.txt in a buffer. BUT, for some reason (I think because
> there's code that shifts focus around between NSWindows), Spaces
> decides to switch back to Space 4, where nothing is happening - the
> first NSWindow of aquamacs is still sitting there with somefile.txt in
> its buffer. Switching back to Space 7, I can see that the second
> NSWindow for aquamacs is open with otherfile.txt.
>
> In Space 7, if I type 'emacs23 otherfile.txt', a new frame/NSWindow
> for emacs 23 is created in Space 7 much like aquamacs, but without a
> Spaces switch to Space 4. Looking more closely, we can see that this
> has actually created a new emacs23 process (complete with an 'Emacs'
> entry in top). They have separate menu bars, and aren't aware of each
> other's buffers or state as far as I can tell. This definitely isn't
> what I wanted, and is only of interest to me because I wanted to know
> whether emacs 23 did the same mysterious Spaces switch, which it
> doesn't, probably because it doesn't even track a single process for
> different command-line invocations?
>
> So the 'bug' here is the Spaces switch when invoking aquamacs on the
> command line a second time in a different Space.
>
>
> BTW - I don't seem to be receiving emails on this list - my settings
> seem to be ok, but I had to respond to your email out of the archives.
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Paul Rathouz, PhD
Professor and Chair
Department of Biostatistics and Medical Informatics
University of Wisconsin School of Medicine and Public Health
K6/446 CSC, Box 4675
600 Highland Avenue
Madison, WI 53792-4675
608.263.1706



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