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From: "rgb" <rbielaws@i1.net>
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Subject: Re: dedicated frames
Date: 10 Jan 2007 06:42:08 -0800
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Kevin Rodgers wrote:
> rgb wrote:
> > Has someone written a version of next-buffer that doesn't
> > display buffers that are already displayed in dedicated frames?
> >
> > It appears to me to be terribly difficult to tell if a given buffer
> > happens to be associated with a dedicated window or frame.
>
> How about:
>
> (defun get-buffer-dedicated-window (buffer &optional all-frames)
>    "Return a dedicated window displaying BUFFER, or nil if none.
> BUFFER can be a buffer or a buffer name.
> ALL-FRAMES determines which frames are considered; see `walk-windows'."
>    (catch 'window
>      (mapc (lambda (window)
> 	    (when (or (window-dedicated-p window)
> 		      (frame-parameter (window-frame window) 'unsplittable))
> 	      (throw 'window window)))
> 	  (get-buffer-window-list buffer nil all-frames))
>      nil))

You make it look easy.
Thanks.
Exactly what I needed.