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

[Dmitry Gutov]

On 21.01.2020 11:29, martin rudalics wrote:
>  > I was asking about the best-case scenario here. Like, is there hope 
> for persistent popups that don't flicker after every input.
>
> If we are able to identify the cause for the flicker first.  I suppose
> with "input" you mean "resizing" and not plain updating of its text.

No, I meant more practical usage of posframe as a library, where we 
show/update tooltip after every character typed by the user.

>  > Scrollbars and mode lines aren't a problem because they're not needed
>  > in a popup. But visibility cycling still created flickering, even
>  > without them, in the Lucid build.
>
>
> You mean the Lucid build is not any better in this regard than a GTK
> build making the frame invisible, resizing it and making it visible
> again?

*If* I cycle visibility, yes. Even if "resizing" doesn't change the 
size. But cycling visibility is not necessary with Lucid to make 
resizing work.