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

[martin rudalics]

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

Without a timer-based delay?

>> 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.

OK.  So I conclude that the Lucid build is currently fully functional
for you without having to cycle visibility.

martin