display-completion-list

display-completion-list

[Roland Winkler]

Suppose I have the function

(defun foo ()
  (interactive)
  (with-output-to-temp-buffer "*Completions*"
    (display-completion-list '("a" "b" "d"))))

This will open a completion buffer. If I select a completion in this
buffer by clicking <mouse-2> on a completion, the selection will be
inserted in the active buffer at the position of point. How does the
insertion happen in detail?

After the selection has been inserted in the active buffer
I would like to execute a function that takes as arguments, say,
the buffer positions of beginning and end of the text that was
inserted. How can I do that?

Is there something like a display-completion-post-insertion-hook?

Thanks a lot,

Roland

Re: display-completion-list

[Kai Großjohann]

Roland Winkler <Roland.Winkler@physik.uni-erlangen.de> writes:

> Suppose I have the function
>
> (defun foo ()
>   (interactive)
>   (with-output-to-temp-buffer "*Completions*"
>     (display-completion-list '("a" "b" "d"))))
>
> This will open a completion buffer. If I select a completion in this
> buffer by clicking <mouse-2> on a completion, the selection will be
> inserted in the active buffer at the position of point. How does the
> insertion happen in detail?

I don't know.  Here is how I find out:

I run the code.  I position point on one of the completions and do
C-h k RET.  It tells me that it runs the command choose-completions.
I have a wild hunch that there might be a variable with a similar
name, so I type C-h v choos TAB...  Bingo!

-- 
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Re: display-completion-list

[Kevin Rodgers]

Kai Großjohann wrote:

> Roland Winkler <Roland.Winkler@physik.uni-erlangen.de> writes:
> 
> 
>>Suppose I have the function
>>
>>(defun foo ()
>>  (interactive)
>>  (with-output-to-temp-buffer "*Completions*"
>>    (display-completion-list '("a" "b" "d"))))
>>
>>This will open a completion buffer. If I select a completion in this
>>buffer by clicking <mouse-2> on a completion, the selection will be
>>inserted in the active buffer at the position of point. How does the
>>insertion happen in detail?
>>
> 
> I don't know.  Here is how I find out:
> 
> I run the code.  I position point on one of the completions and do
> C-h k RET.  It tells me that it runs the command choose-completions.
> I have a wild hunch that there might be a variable with a similar
> name, so I type C-h v choos TAB...  Bingo!

In Emacs 21.3 I get

	Describe variable: choos [No match]

But there's always

	(defadvice choose-completion (after ...) ...)

-- 
<a href="mailto:&lt;kevin.rodgers&#64;ihs.com&gt;">Kevin Rodgers</a>