Re: Collaboration on standard Wayland protocol extensions

On Mon, 28 Mar 2016 09:08:55 +0300
Giulio Camuffo <giuliocamuffo gmail com> wrote:

2016-03-27 23:34 GMT+03:00 Drew DeVault <sir cmpwn com>:
Greetings! I am the maintainer of the Sway Wayland compositor.

It's almost the Year of Wayland on the Desktop(tm), and I have
reached out to each of the projects this message is addressed to (GNOME,
Kwin, and wayland-devel) to collaborate on some shared protocol
extensions for doing a handful of common tasks such as display
configuration and taking screenshots. Life will be much easier for
projects like ffmpeg and imagemagick if they don't have to implement
compositor-specific code for capturing the screen!

I want to start by establishing the requirements for these protocols.
Broadly speaking, I am looking to create protocols for the following

- Screen capture
- Output configuration
- More detailed surface roles (should it be floating, is it a modal,
  does it want to draw its own decorations, etc)
- Input device configuration

I think that these are the core protocols necessary for
cross-compositor compatability and to support most existing tools for
X11 like ffmpeg. Considering the security goals of Wayland, it will also
likely be necessary to implement some kind of protocol for requesting
and granting sensitive permissions to clients.  

On this, see
I have not been able to continue on that, but if you want to feel free
to grab that proposal.


I may have had negative opinions related to some things on Giulio's
proposal, but I have changed my mind since then. I'd be happy to see it
developed further, understanding that it does not aim to solve the
question of authentication but only communicating the authorization,
for now.


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