Re: Select completions from the minibuffer

[Ergus <spacibba@aol.com>]

On Sun, Mar 13, 2022 at 07:47:11PM +0200, Juri Linkov wrote:
>>>> >Isn't it very similar to the region?
>>>>
>>>> I don't think so... I think it is more similar to the mouse-face
>>>> feature / text property.
>>>
>>>Why do you think so?  The region is redrawn when the cursor moves, and
>>>the cursor moves as result of Emacs commands, so how is this very
>>>different from what you want?  By contrast, the mouse highlight is
>>>triggered by mouse movements that are completely independent of Emacs
>>>commands, and the implementation, as part of the display engine, is
>>>therefore quite complicated.  Whereas the region display is nowadays
>>>implemented completely in Lisp.
>>
>> Ok, then it will be similar to the code I already have in
>> completions-highlight-mode.  Essentially add/move an overlay on post
>> command hook based on some conditions.
>
>You could just add your function to the default value of
>pre-redisplay-functions, e.g.
>
>  (defvar pre-redisplay-functions (list #'redisplay--update-region-highlight
>                                        #'redisplay--update-mouse-face)
>
>where the new function 'redisplay--update-mouse-face'
>will activate the mouse-face when the cursor moves
>over the mouse-face property (only when an additional user option
>will be enabled).

Sone, please check it... I will add the extra option in a moment.