Re: change buffer in other frame, multiple monitors

[Sam Halliday <sam.halliday@gmail.com>]

I'm starting to think that `C-x 5` commands are not really intended to reuse the other frame (despite their name). From the docs http://www.gnu.org/software/emacs/manual/html_node/emacs/Creating-Frames.html

> If an existing visible or iconified ("minimized") frame already displays the requested buffer, that frame is raised and deiconified ("un-minimized"); otherwise, a new frame is created on the current display terminal.


e.g. starting emacs24 (debian jessie) with -Q and type

  C-x 5 2 ;; new frame
  C-x 5 b ;; *Messages*

a THIRD frame is opened. I had expected the other frame to be reused.


Is there any way to get the `C-x 5` commands to reuse the other frame instead of creating a new one or am I going to have to rewrite my own functions that first call `other-frame`?



On Thursday, 28 May 2015 15:02:45 UTC+1, Sam Halliday  wrote:
> I'm starting to think there must be a bug somewhere. Setting the explicit action is still causing `C-x 5 b` to open a new frame even if one is already open:
> 
>   (setq display-buffer--other-frame-action
>         '((display-buffer-reuse-window display-buffer-pop-up-frame)
>           (reusable-frames . t) (inhibit-same-window . t)))
> 
> I'm on Debian Jessie but some mac users have said that the out-of-the-box behaviour is for `C-x 5 b` to reuse the other frame.
> 
> I'm stumped. Any help appreciated.
> 
> 
> On Thursday, 28 May 2015 12:22:25 UTC+1, Sam Halliday  wrote:
> > I've updated the below with the newer display-buffer-alist approach with
> > 
> >   (setq display-buffer-alist
> >         '((".*" display-buffer-reuse-window (reusable-frames . t))
> >           (".*" display-buffer-pop-up-frame (inhibit-switch-frame . t))))
> > 
> > The reuse-window entry seems to reproduce the behaviour of the legacy setting I was using.
> > 
> > I have added a display-buffer-pop-up-frame entry as per the documentation for display-buffer but it seems to be ignored.
> > 
> > Is my syntax perhaps incorrect? Maybe there should only be one ".*"?
> > 
> > 
> > 
> > On Wednesday, 27 May 2015 15:16:27 UTC+1, Sam Halliday  wrote:
> > > Hi all,
> > > 
> > > I have a setup with multiple monitors and when using Emacs I have a frame in each monitor.
> > > 
> > > I recently asked a question on this list and the solution was to set
> > > 
> > >   (setq-default display-buffer-reuse-frames t)
> > > 
> > > so that 'next-error would not popup a new window (when the window was already open in a new frame).
> > > 
> > > That worked great! I've recently been extending my use of basic emacs commands to include the commands under `C-x 5 ...` (i.e. the "do in the other frame" commands)
> > > 
> > > However, when I type `C-x 5 b` and select a buffer name, I am expecting the buffer to be shown in the other frame. But instead, the buffer is opened in a new frame.
> > > 
> > > It would appear that setting 'display-buffer-reuse-frames is not enough to force re-use of existing frames and this function is popping up a new one.
> > > 
> > > Is there something else I must do to re-use frames? I note that display-buffer-reuse-frames is deprecated, but I'm not entirely sure how to migrate to the new world.
> > > 
> > > Best regards,
> > > Sam