Custom backspace delete in mini-buffer

Custom backspace delete in mini-buffer

[TheLonelyStar]

Hi,

I have defined a custom backspace delete function:
(defun delete-with-closing-bracket-back (arg)
  (interactive "*p")
  ;;Check if point is not the minimum
  (if (not (= (point) (point-min)))
	  (progn
		(backward-char)
		(if
			(looking-at "\\({[\n \t]*}\\|\\[[\n \t]*\\]\\|\([\n \t]*\)\\|\"[\n
\t]*\"\\)")
			(delete-region (match-beginning 0) (match-end 0))
		  ;;else
		  (forward-char)
		  (c-hungry-delete-backwards)
		))
	;;else
	(delete-backward-char 1)
	))
(define-key global-map [(backspace)] 'delete-with-closing-bracket-back)

It works fine, but there is a problem. When I am in i-search mode, pressing
backspace deletes the last character in the window, not in the i-search
mini-buffer.

I do not know much about elisp. The function above I just "stole" together.
What can I do?

Thanks!
Nathan
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RE: Custom backspace delete in mini-buffer

[Drew Adams]

> It works fine, but there is a problem. When I am in i-search 
> mode, pressing backspace deletes the last character in the
> window, not in the i-search mini-buffer.
> 
> I do not know much about elisp. The function above I just 
> "stole" together. What can I do?

I don't have time to look at this now - hopefully someone else will help you. 

But here's one piece of info that might help a little: isearch does not use the
minibuffer (for normal searching); it uses the echo area. It reads your input
events without using the minibuffer, and it echoes your keys to the echo area in
an incremental way.

Re: Custom backspace delete in mini-buffer

[Lennart Borgman (gmail)]

Drew Adams wrote:
>> It works fine, but there is a problem. When I am in i-search 
>> mode, pressing backspace deletes the last character in the
>> window, not in the i-search mini-buffer.
>>
>> I do not know much about elisp. The function above I just 
>> "stole" together. What can I do?
> 
> I don't have time to look at this now - hopefully someone else will help you. 
> 
> But here's one piece of info that might help a little: isearch does not use the
> minibuffer (for normal searching); it uses the echo area. It reads your input
> events without using the minibuffer, and it echoes your keys to the echo area in
> an incremental way.

I am not sure and I have no idea why it should be needed, but try this

   (define-key isearch-mode-map [backspace] 'isearch-delete-char)

Re: Custom backspace delete in mini-buffer

[TheLonelyStar]

Lennart Borgman (gmail) wrote:
> 
> Drew Adams wrote:
>>> It works fine, but there is a problem. When I am in i-search 
>>> mode, pressing backspace deletes the last character in the
>>> window, not in the i-search mini-buffer.
>>>
>>> I do not know much about elisp. The function above I just 
>>> "stole" together. What can I do?
>> 
>> I don't have time to look at this now - hopefully someone else will help
>> you. 
>> 
>> But here's one piece of info that might help a little: isearch does not
>> use the
>> minibuffer (for normal searching); it uses the echo area. It reads your
>> input
>> events without using the minibuffer, and it echoes your keys to the echo
>> area in
>> an incremental way.
> 
> I am not sure and I have no idea why it should be needed, but try this
> 
>    (define-key isearch-mode-map [backspace] 'isearch-delete-char)
> 
> 

Well, it works! Thanks!
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