Protocol extensions using libweston core functions

[Pekka Paalanen]

On Mon, 20 May 2019 07:22:10 +0100
adlo <adloconwy at gmail.com> wrote:

> I wrote a compositor with a window switcher protocol. The core
> libweston-desktop function implementations such as surface_added are
> in shell.c, while the window switcher code is in window-switcher.c.
> 
> When a new window is opened (a new surface is added), the window
> switcher will need to be updated with information about this new
> window. However, the surface_added function in shell.c doesn't know
> about the window switcher protocol.
> 
> What is the best way to connect these two parts of the code?

Hi,

a window switcher would be an integral part of Weston's desktop-shell
plugin, that is, the code in desktop-shell/ directory. You cannot
expect an arbitrary other plugin to really cooperate or replace
functionality without also modifying the desktop-shell plugin. That is
just not in the code architecture.

This has nothing to do with protocol either, it's just API between
libweston, libweston-desktop, and their users (Weston, including the
desktop-shell plugin).

If you want to modify the desktop-shell plugin code and are not looking
to upstream it, you can fork Weston or just the desktop-shell plugin.
If you are writing your own compositor based on libweston and
libweston-desktop, then you need your own replacement for the
desktop-shell plugin and client functionality in any case.


Thanks,
pq
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