Re: Emacs's set-frame-size can not work well with gnome-shell?

[Dmitry Gutov]

On 22.01.2020 16:18, tumashu wrote:
> I think it is set-frame-position's reason,   posframe have positon cache, so if 
> posframe's position no
> change, it will fast, if position changed, it will show half second lags
>
> (require 'posframe)
>
> (posframe-show "test" :string "aaaaaaaa"
>                 :background-color "red")
>
> ```
> (setq child-frame
>        (with-current-buffer "test"
>          posframe--frame))
>
> (setq p nil)
>
> (defun test ()
>    (setq p (if (equal p '(10 10))
>                '(100 100)
>              '(10 10)))
>    (set-frame-position child-frame (car p) (cadr p)))
>
> (benchmark 5 '(test))
> ```
>
> "Elapsed time: 1.063156s"

Thanks, I can confirm this. Only it's even longer in my case (2.63s).

Dragging with mode-line is similarly sluggish. Guess I didn't test that 
properly before.