linux-kernel - Re: [RFC 0/1] mconf: Emacs-like isearch

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Date:   Thu, 7 Jun 2018 11:02:37 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Dirk Gouders <dirk@...ders.net>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC 0/1] mconf: Emacs-like isearch

2018-06-07 8:54 GMT+09:00 Dirk Gouders <dirk@...ders.net>:
> Randy Dunlap <rdunlap@...radead.org> writes:
>
>> On 06/06/2018 03:32 PM, Dirk Gouders wrote:
>>> Randy Dunlap <rdunlap@...radead.org> writes:
>>>
>>>> On 06/06/2018 02:56 PM, Dirk Gouders wrote:
>>>>> Hello,
>>>>>
>>>>> being an Emacs user, I frequently find myself pressing CTRL-s in mconf
>>>>> to search for some menu entry, especially in large menus.


I use Emacs, but I have never typed Ctrl-s in menuconfig.

Is it important to use the same key pattern as in Emacs?

You intercepted Ctrl-*

Currently, Ctrl-C terminates the program,
but this patch makes it no-op.



>>>>> I decided to implement a basic isearch in mconf and would like to hear
>>>>> if others find this functionality useful, as well.
>>>>>
>>>>> The new functionality is started with pressing CTRL-s followed by
>>>>> characters that form the search string.  To search for further
>>>>> occurences of an entered string, press CTRL-s instead of further
>>>>> characters.
>>>>>
>>>>> For example: to navigate to the USB device drivers, press CTRL-s de ENTER ENTER usb ENTER ENTER
>>>>
>>>> Not being an emacs user, what is the "de" for above?
>>>
>>> "de" (with my .config) causes a match for "Device Drivers" --
>>> no other menu entry matching the string "de" is befor that entry.
>>>
>>
>> Device Drivers is the first match for me also.
>>
>> To get to the USB drivers, I have to enter:
>>       CTRL-s de ENTER ENTER CTRL-s usb ENTER ENTER
>
> Yes, I left out the second CTRL-s, thank you!
>
> Oh well, I shouldn't have sent this late at night, then I would probably
> have explained the needed input as:
>
>      1) CTRL-s  // start isearch
>      2) de      // substring that matches "Device Drivers"
>      3) ENTER   // quit isearch
>      4) ENTER   // enter Device Drivers menu
>      5) CTRL-s  // start isearch
>      6) usb     // navigate to USB support
>      7) ENTER   // quit isearch
>      8) ENTER   // enter USB support menu


Hmm.

I tried this, but I was a bit annoyed.


I wonder if this could be more user-friendly.

For example, I want KEY_UP/DOWN/LEFT/RIGHT
to quit the search mode without pressing ENTER.




> Again, I'm really sorry for the confusion.
>
> Dirk
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You in



-- 
Best Regards
Masahiro Yamada