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Re: Scrolling text erases the search highlight


From: Deniz Dogan
Subject: Re: Scrolling text erases the search highlight
Date: Fri, 23 Jul 2010 11:25:31 +0200

2010/7/23 Gabriel TEIXEIRA <address@hidden>:
> On 13/07/2010 15:54, Gabriel TEIXEIRA wrote:
>>
>> On 13/07/2010 15:38, Deniz Dogan wrote:
>>>
>>> 2010/7/13 Gabriel TEIXEIRA<address@hidden>:
>>>>
>>>> On 13/07/2010 09:14, Deniz Dogan wrote:
>>>>
>>>>> 2010/7/12 Qiang Guo<address@hidden>:
>>>>>
>>>>>> You may want to check variable 'isearch-allow-scroll'
>>>>>>
>>>>>>
>>>>>>
>>>>> This is a good suggestion. But you may also want to know about "M-s o".
>>>>>
>>>>> M-s o runs the command occur, which is an interactive compiled Lisp
>>>>> function in `replace.el'.
>>>>>
>>>>> It is bound to M-s o.
>>>>>
>>>>> (occur REGEXP&optional NLINES)
>>>>>
>>>>> Show all lines in the current buffer containing a match for REGEXP.
>>>>> This function can not handle matches that span more than one line.
>>>>>
>>>>>
>>>> Thanks for the answers and sorry for the multiple messages, the M-s o is
>>>>
>>>> very useful, but the isearch-allow-scroll doesn't work very well with
>>>> me. It
>>>> will conserve the search if I do C-l or C-v, but won't if I use the
>>>> mouse
>>>> scroll wheel or if I use the arrow keys to move the cursor (which are
>>>> the
>>>> way I scroll the screen mostly). I want something that works similar to
>>>> the
>>>> Linux man search, the vim or the gedit, that conserves the highlight as
>>>> long
>>>> as the search is erased. Any other suggestions?
>>>>
>>>>
>>>>
>>> For what it's worth, scrolling using the mouse works fine using: GNU
>>> Emacs 24.0.50.1 (i386-mingw-nt6.1.7600) of 2010-07-12 on 3249CTO
>>>
>> Yes, I'm using version 23.1.1. I couldn't realize that this could be the
>> version of emacs. I will install a newer version to check it out. Hopefully
>> won't break with my .emacs config file :)
>> Many many thanks for your help
>>
>>
> Hello back
>
> After I recompiled my emacs to the 24.0.50.1, the problems of scrolling were
> solved mostly, but now after some time of usage I noticed a weird behaviour:
> Now that I can scroll freely, I noticed that it won't scroll beyond the
> position were the cursor is located (meaning that if I have one result in
> the line 150 and my text has 1000 lines and my buffer is 80 lines tall, I
> can't scroll to see above the line 70 nor after the line 230), so I am
> limited to scrolling the buffer that is near a result of the searched text,
> and if I try to move the cursor away in order to scroll more or just to
> change some text around it will erase the search too (and I come back with
> the original problem again). Any idea to how to solve that?
>

As far as I know, there is no way to get around that problem today. I
think the main issue is that in Emacs point is always in the visible
portion of the buffer.

-- 
Deniz Dogan



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