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From: Galen Boyer <galen_boyer@yahoo.com>
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Subject: Re: Child Frame naming standard.
Date: 27 Feb 2006 18:45:02 -0600
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On Mon, 27 Feb 2006, ihs_4664@yahoo.com wrote:
> Galen Boyer wrote:
>> Is there a way that if a child frame were created, C-x 5 0, and
>> subsequently M-x set-frame-name, that the name I give it could be
>> concatenated with the parental frame, at all times?
>> Parent frame name = "ProjectX"
>> Child frame rename = "Branch"
>> Actual Child frame name after rename = "ProjectX [Branch]"
> 
> As far as I know, Emacs does not keep track of which frame was
> selected (the parent) when a new frame is created (the child).  But
> you should be able to do that explicitly:
> 
> (add-hook 'after-make-frame-functions
>            (lambda (frame)
>              (modify-frame-parameters frame
>                                       `((parent-frame
> . ,(selected-frame))))))
> 
> (defadvice set-frame-name (before interactive activate)
>    "When called interactively, provide the parent frame's name as
> the initial input."
>    (interactive (list (read-string "Frame name: "
>                                    (concat (frame-parameter
>                                             (frame-parameter
> (selected-frame)
>                                                              'parent-frame)
>                                             'name)
>                                            " ")))))

Thanks Kevin,

I'll give this a shot.
-- 
Galen Boyer