Re: [RFC v8 1/1] mconf: global i-search in menu prompts

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Randy Dunlap <rdunlap@xxxxxxxxxxxxx> writes:

> Hi,
>
> On 06/20/2018 01:42 AM, Dirk Gouders wrote:
>> 
>> Operation
>> ---------
>> The TAB key is reserved to toggle the focus between menu and bottons.
>> Focus is on the buttons if one of the buttens (the active one) is
>> hightlighted, otherwise it is on the menu.
>> 
>> When the focus is on the buttons, mconf operates as before with the
>> exception of the TAB key.
>> 
>> When the focus is on the menu, mconf operates in i-search mode and the
>> following input has special meaning:
>> 
>> * <\> (backslash) can be used to search for other occurences of an
>>   already entered string.  On empty search strings, nothing happens.
>> 
>> * Any other printable character than backslash and '\n' is appended to
>>   the current search string and a match is searched for.  If a match
>>   is found, it is immediately navigated to.
>
> About that paragraph above:  I tried to search for "fs-cache", as in:
>
> config FSCACHE_DEBUG
> 	bool "Debug FS-Cache"
>
> but i-search does not allow me to enter a '-' character.  Seems odd to me.

Hi Randy,

thanks for all your testing.

'-' and '+' previously had the same meaning as <KEY_UP>, <KEY_DOWN>,
respectively.  If you are on the top menu item and press '-' there is
nothing to scroll up so it appears as if the pressed key wasn't
processed.

I-search should add those characters to the pattern but I broke that two
or three versions before when I fixed another issue.

I will add this to my list of test cases so this won't happen again.

Dirk


> Still doing other testing...
>
>
>> * BACKSPACE is used to remove the last character of the search string.
>> 
>> * DEL clears the search string.
>> 
>> * ENTER can be used to enter a submenu.
>> 
>> * ESC ESC exits the current isearch and clears the search string.
>> 
>> * Horizontal arrow keys still cycle between the buttons but also
>>   switch focus to the buttons.
>> 
>> * Vertical arroy keys navigate the menu items.
>> 
>> At any time, at most one i-search is active and the navigation path to
>> the current menu is displayed in the subtitle, the second line in the
>> menu window.
>> 
>> Navigation example:
>> 
>> To navigate to options concerning NFS file systems, simply type 'n',
>> 'f' and 's'.
>> 
>> Hint: use the 'z' key with focus on buttons to search for invisible
>>       prompts.
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