[Xcb] Xcb and Xevie

[Rémi Cardona]

Le 10/05/2015 22:25, Charles Ricketts a écrit :
> Since X11 support was dropped for Xevie in 2009, one of my favorite
> programs can no longer has the ability to discard specified inputs,
> which can be pain under certain circumstances. In talking to the
> developers, they stated that it wasn't possible anymore due to Xevie
> being discontinued with nothing to take its place as far as the
> necessary input intercepting.
> 
> So, I was fairly happy to see that Xcb has a Xevie library. Bare in
> mind, I'm new to X programming and X internals in general but I've
> learned a little bit from perusing the old code of this application. The
> way I understand it, is that X has extensions, one of which was Xevie.
> My main question is, does xcb-xevie take the place of that X extension,
> or is it simply a way of communicating with an existing Xevie extension
> if the user happens to be running an old X server? After looking through
> the code, it looks to be the latter, but I just wanted to verify before
> I put in a bunch of work for potentially nothing.

X11 is the core protocol.
XEvIE is an extension to the protocol (much like XRandR, XRender, etc)

libX11 is a client-side library that implements the core protocol.
libXevie is a client-side library based on libX11 that implements XEvIE

libxcb is a client-side library that implements the core protocol (with
many parts of the library generated from XML protocol description files)
libxcb-xevie is a client-side library (part of the libxcb source tree)
that implements XEvIE.

> On my system, I can't seem to get it to work properly, but for now I'm
> chalking this up to me not fully understanding the library yet and how
> to work with it.

XEvIE support has been removed from the *server* back in late 2008.
Unless you're using a distro from back then, there's no chance your
program will work. Whichever library you're using has no one to talk to.

Cheers,

Rémi