Re: master 6e5d79c048: Display show-paren-context-when-offscreen in child frame

[Po Lu]

Tassilo Horn <tsdh@gnu.org> writes:

> I'm actually using pgtk on a 7 years old laptop and it doesn't feel
> slow.  The reason why I started with the child-frame approach is that
> the child-frame can be positioned precisely at the top-left of the
> current window.  Since emacs now supports pixel-wise scrolling, it can
> happen that only the lower half of the line at `window-start' is
> visible which would be bad if an overlay was placed there.  Is there a
> way to test if some position is completely visible?

Try `pos-visible-in-window-p'.