Protocol for window previews/thumbnails

adlo adloconwy at
Tue May 24 13:53:25 UTC 2016

> On 20 May 2016, at 08:50, Pekka Paalanen <ppaalanen at> wrote:
> You would design a new protocol extension private to Weston, with which
> you deliver to your client the handles for top-level windows as they
> come and go. Then with those handles you could design a protocol for
> laying out a scaled version of the surface referred to by a handle on
> top of a wl_surface of your own.

Can a Weston protocol extension be easily converted to a Wayland protocol extension?

> You cannot get "the window's surface". You need to invent a new type of
> handle (a protocol object interface) for referring to windows, and
> communicate any metadata you may need with it.

What is Weston's internal representation of a window's surface? What parts of the code are most relevant to these kinds of things?



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