linux-kernel - Re: [PATCH] nconfig: add search support

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Message-ID: <AANLkTimXahVmYCo+UJYDkK_qQxCz0HByBGV9WoJtXWkP@mail.gmail.com>
Date:	Sun, 1 Aug 2010 13:21:47 +0300
From:	Nir Tzachar <nir.tzachar@...il.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	mmarek@...e.cz, rdunlap@...otime.net, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org, trapdoor6@...il.com,
	justinmattock@...il.com
Subject: Re: [PATCH] nconfig: add search support

On Sun, Aug 1, 2010 at 12:28 PM, Sam Ravnborg <sam@...nborg.org> wrote:
> On Sun, Aug 01, 2010 at 10:20:33AM +0300, nir.tzachar@...il.com wrote:
>> From: Nir Tzachar <nir.tzachar@...il.com>
>>
>> Remove the old hotkeys feature, and replace by a regular string search.
>> >From nconfig help:
>>
>> Pressing '/' triggers search mode. nconfig does regular string match, case
>> insensitive, starting at the begining of each menu line.
>> Pressing Enter highlights the next match, Backspace removes one character from
>> the match string. Pressing either '/' again or ESC exits search mode.
>>
>> Rebind the '/' key (which allowed to search for symbols) to F8
>>
>> Signed-off-by: Nir Tzachar <nir.tzachar@...il.com>
>
> Got following warning when I build:
> scripts/kconfig/nconf.c: In function ât_mext_matchâscripts/kconfig/nconf.c:512: warning: implicit declaration of function âblankâ
>
> The searching works great! And good to see the capitilazation gone.

Perhaps now we can make nconfig the default?? ;)

> But it is ackward that I have to press ESC to leave searcing.
>
> I can navigate up/down, but entering a menu should terminate search.
> Also pressing enter (to select a symbol) should terminate search.
>
> I also tried to do first search using "/", then search for a symbol using F8.
> Again search was not terminated when I came back.
>
> There is likely much more cases...

Sure, but we need to come up with a good description of the behavior
we desire. As we did not discuss it, I just went ahead and implemented
a POC.

As to your input, the main problem with terminating a search is how to
still allow iteration between possible matches. We can let Return
terminate the search and use a different key (say, 'p') to navigate to
the next match. However, I dislike this idea, but if no one can come
up with something prettier, I'll implement it.

>        Sam

Cheers.
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