Juri Linkov <juri@linkov.net> writes:

>> I've updated the patch which should use the mode hook instead using
>> post-command-hook or idle timers (and allows (implicitly) to user use
>> post-command-hook (but that is user responsibility add it or not)).

>> Also this should refresh the cursor while switching windows.

>> However I've deleted the function/lambdas support as conditions because
>> i found it problematic.

>> I've test it only for overwrite-mode, I ask if anyone wants to give it a
>> try.

> Please note that this is insufficient for 'repeat-mode'.
> Currently it requires adding an advice to update the cursor
> on the repeat timer events:

>   (add-function :after repeat-echo-function #'cursor-indicators--update-indications)

> since need to update the cursor when the timer is fired:

>   (run-with-idle-timer timeout nil #'repeat-exit)
>   (defun repeat-exit ()
>     (setq repeat-in-progress nil)
>     (funcall repeat-echo-function nil))

> This problem can be solved by adding a hook:

>   (defun repeat-exit ()
>     (setq repeat-in-progress nil)
>     (funcall repeat-echo-function nil)
>     (run-hooks 'repeat-exit-hook))

> Then 'cursor-indicators-mode' needs to add this hook:

>   (define-minor-mode cursor-indicators-mode
>     ...
>     (add-hook 'repeat-exit-hook #'cursor-indicators--update-indications)

> Then maybe it's possible to add more hooks for other features as well.

> The drawback of this approach is that specific hooks make the cursor updating
> less reliable than with using post-command-hook.

Well, then I think the best solution for this would be to make this
package (cursor-indicators) part of the C code.

I'll see what I can do.