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* scroll behaviour during query-replace etc
@ 2004-10-08  9:28 Gordon Beaton
  2004-10-08 19:24 ` Greg Hill
       [not found] ` <mailman.2196.1097282004.2017.help-gnu-emacs@gnu.org>
  0 siblings, 2 replies; 3+ messages in thread
From: Gordon Beaton @ 2004-10-08  9:28 UTC (permalink / raw)


When I use query-replace (also query-replace-regexp or even isearch
for that matter) and matches are relatively frequent, i.e. less than a
windowfull of lines apart, a match will often be found at or near the
last window line where I can't see enough context to decide whether to
replace or not (or whether I've reached the thing I was searching
for).

I use scroll-margin to force the point to stay away from the top and
bottom edges while scrolling, unfortunately that doesn't seem to
affect these functions.

Is there a way to keep the point (relatively!) centered during
query-replace, or (alternatively) force it to stay on the same window
line?

It might be worth mentioning that I normally have
scroll-conservatively set to 100 or so, since I'm not a big fan of
recentering while scrolling, however even the default setting doesn't
do what I want here, since there is no scroll until the point actually
tries to leave the window.

/gordon

-- 
[  do not email me copies of your followups  ]
g o r d o n + n e w s @  b a l d e r 1 3 . s e

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: scroll behaviour during query-replace etc
  2004-10-08  9:28 scroll behaviour during query-replace etc Gordon Beaton
@ 2004-10-08 19:24 ` Greg Hill
       [not found] ` <mailman.2196.1097282004.2017.help-gnu-emacs@gnu.org>
  1 sibling, 0 replies; 3+ messages in thread
From: Greg Hill @ 2004-10-08 19:24 UTC (permalink / raw)



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At 11:28 AM +0200 10/8/04, Gordon Beaton wrote:
>When I use query-replace (also query-replace-regexp or even isearch
>for that matter) and matches are relatively frequent, i.e. less than a
>windowfull of lines apart, a match will often be found at or near the
>last window line where I can't see enough context to decide whether to
>replace or not (or whether I've reached the thing I was searching
>for).
>
>I use scroll-margin to force the point to stay away from the top and
>bottom edges while scrolling, unfortunately that doesn't seem to
>affect these functions.
>
>Is there a way to keep the point (relatively!) centered during
>query-replace, or (alternatively) force it to stay on the same window
>line?

Gordon,

Something like the following might do the trick for you, or at least 
provide a place to start.

(defadvice search-forward (after view-context compile disable activate)
   (if (< (count-lines (point) (window-end)) 5)
       (recenter)))

(defadvice query-replace (around view-context compile activate)
   (ad-enable-advice 'search-forward 'after 'view-context)
   (ad-activate 'search-forward)
   ad-do-it
   (ad-disable-advice 'search-forward 'after 'view-context)
   (ad-activate 'search-forward))

Good luck.

--Greg

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: scroll behaviour during query-replace etc
       [not found] ` <mailman.2196.1097282004.2017.help-gnu-emacs@gnu.org>
@ 2004-10-11  6:39   ` Gordon Beaton
  0 siblings, 0 replies; 3+ messages in thread
From: Gordon Beaton @ 2004-10-11  6:39 UTC (permalink / raw)


On Fri, 8 Oct 2004 12:24:32 -0700, Greg Hill wrote:
> Come to think of it, you might like this better.
> 
> (defadvice search-forward (after view-context compile activate disable)
>    (if (< (count-lines (point) (window-end)) scroll-margin)
>        (recenter (- scroll-margin))))

Perfect, thanks!

/gordon

-- 
[  do not email me copies of your followups  ]
g o r d o n + n e w s @  b a l d e r 1 3 . s e

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2004-10-11  6:39 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2004-10-08  9:28 scroll behaviour during query-replace etc Gordon Beaton
2004-10-08 19:24 ` Greg Hill
     [not found] ` <mailman.2196.1097282004.2017.help-gnu-emacs@gnu.org>
2004-10-11  6:39   ` Gordon Beaton

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