Re: Frame titles which reflect contents

[rustom]

On Nov 25, 6:26 am, jpkotta <jpko...@gmail.com> wrote:
> On Nov 22, 10:04 am, Eduardo  Cavazos <wayo.cava...@gmail.com> wrote:
>
>
>
> > Hello!
>
> > Today I had three frames open. One frame had a single window with file
> > 'a'. Another had a single window with file 'b'. The third frame had 3
> > windows; file 'a', file 'b', and a *scheme* buffer.
>
> > I was running this Emacs in Gnome. The three frames are reflected in
> > the window list in the bottom panel. The trouble is that, the third
> > frame with the multiple windows is named based on the buffer that's
> > currently selected in that frame. So if buffer 'b' is selected,
> > there's no way to distinguish frame 2 and frame 3 based on the window
> > list alone.
>
> > Any thoughts on how to solve the problem?
>
> > One approach is to have the frame title be based on more than just the
> > name of the currently selected buffer. So for example, if a frame has
> > two windows with buffers 'a.sls' and '*scheme*', the frame could be
> > called "[a.sls] | *scheme*". I.e. with the [...] indicating which
> > buffer in that frame is active.
>
> > I'm sure there are other approaches as well! Comments, suggestions,
> > and elisp welcome! :-)
>
> > Ed
>
> I think this will do what you want, it works for me anyway:
>
> (defun window-to-buffer-name (w)
>   (buffer-name (window-buffer w)))
>
> (setq frame-title-format
>       '("" (:eval (mapconcat #'window-to-buffer-name
>                              (window-list)
>                              " | "))))
>
> The selected-window is always the first element in window-list by
> default.

Thanks for that -- Neat!