[xmonad] WaylandMonad

Fri Apr 17 23:56:24 UTC 2015

This something that interests me but sadly not something I could help with

On Saturday, April 18, 2015, Carsten Mattner <carstenmattner at gmail.com>
wrote:

> Sounds like a good project to me and I'd like to see the results.
>
> On Thu, Apr 16, 2015 at 11:30 PM, Auke Booij <auke at tulcod.com
> <javascript:;>> wrote:
> > Would this currently be considered an unrealistic project, or a
> > project not worth investing time in?
> >
> > I should probably add that the wayland API is considered stable. It is
> > certainly stable enough for GNOME, KDE, enlightenment, and numerous
> > other window managers to be in active development (and very far, at
> > that). The key "xdg-shell" protocol is still under development, but
> > for the (technically rather limited) use case of WaylandMonad, no
> > substantial changes are being introduced.
> >
> > On 14 April 2015 at 14:41, Auke Booij <auke at tulcod.com <javascript:;>>
> wrote:
> >> A few weeks ago, I sent in a Google Summer of Code application for the
> >> haskell.org organization to work on porting Xmonad to wayland. The
> >> haskell organization has asked me to find a mentor for my application,
> >> which is the main reason for this email.
> >>
> >> If you are
> >> 1. an adult (sorry kids, Google's rules)
> >> 2. experienced with the Xmonad source
> >> 3. interested in wayland
> >> 4. willing to spend some time this summer on mentoring me
> >> then please contact me or someone in the haskell community to discuss
> >> mentoring options. The deadline for proposal matching is the 24th of
> >> April, so please contact me within this week (or better yet, as soon
> >> as possible).
> >>
> >> Without a mentor, I cannot get accepted for GSoC. I am already up to
> >> speed on wayland, so I think any Xmonad developer with some free time
> >> would make a great mentor.
> >>
> >> I attached my GSoC application below.
> >>
> >> Any comment on making Xmonad work on wayland is welcome as well. My
> >> current plan is to fork Xmonad and replace all the X bits by wayland
> >> bits - see also my proposal below.
> >>
> >> Greetings,
> >> Auke.
> >>
> >>
> >> Abstract
> >> ===
> >> XMonad has, for a long time, been a flagship product of the Haskell
> >> community. With the arrival of wayland, XMonad is bound to look stuck
> >> in the past, and it's time for a port. Thanks to my previous work on
> >> wayland-related haskell libraries, this is now a viable project.
> >>
> >> Proposal
> >> ===
> >>
> >> Background
> >> ---
> >> X11 has long been the de facto standard way for applications to
> >> display graphical user interfaces on the screen. For various reasons,
> >> a new project called wayland has been started, that can be seen as a
> >> successor of the X ecosystem, or at least can be seen as something
> >> that will play a very important role. Among others, GNOME is already
> >> working on wayland support, and plans to make it fully supported by
> >> version 3.18. This shows the relevance of wayland.
> >>
> >> XMonad is a flagship product of the Haskell community that is often
> >> cited as an example of the applicability of Haskell: its real world
> >> value. XMonad is a compositor (aka window manager) for the X11
> >> ecosystem.
> >>
> >> In the new wayland ecosystem, one cannot reuse X11 compositors: they
> >> need to be partially rewritten.
> >>
> >> Goal
> >> ---
> >> I intend to fork XMonad and make it into a wayland compositor. Since
> >> the general ideas behind the X11 and the wayland protocol are not too
> >> different, this should be doable: we are still working with pointers
> >> and windows and input and output and renderings and messages. However,
> >> the wayland setup is technically very different from X11, since the
> >> central X11 server has been replaced by the compositor itself, and
> >> this means some very foundational code will need to be rewritten.
> >>
> >> I am the author of hayland [1], the haskell bindings to the wayland C
> >> library, as well as haskell-xkbcommon [2], the haskell bindings to the
> >> xkbcommon C library. With these two projects in place, the time is
> >> ripe for a wayland compositor written in haskell: the preliminaries
> >> are mostly there.
> >>
> >> As part of this project, I will have to invest some time in these two
> >> bindings projects as well (since they are quite new and have had
> >> little testing). For this reason, I intend to keep the scope of this
> >> project limited, and focus on getting some version of XMonad running
> >> on Wayland.
> >>
> >> I do not intend to change the architecture of XMonad, except wherever
> >> this would not require much more investment of time, and only as
> >> wished by the community. In other words: if you have anything that I
> >> should change about XMonad, and it is easy to switch to this new
> >> thing, then I'll use it. Any serious architectural changes will need
> >> to take place in a later stage.
> >>
> >> Deliverables
> >> ---
> >> - A working wayland compositor written in wayland, based on XMonad
> >> - Documentation of the source code (i.e. a technical document), user
> >> documentation (where this differs from XMonad)
> >> - Roadmap for further work: how should this project be continued into
> >> a next iteration of the XMonad project?
> >>
> >> Roadmap
> >> ---
> >> April/May: properly work my way through the XMonad source, and
> >> document things that will need changing
> >>
> >> June: Hack until it's working
> >>
> >> June+July: More hacking, also documentation
> >>
> >> August: Prepare a proper release, clean up code
> >>
> >> Bio
> >> ---
> >> I am currently studying for a Master of Logic in Amsterdam, and have a
> >> Master of Advanced Studies in Mathematics from Cambridge, UK, a BSc in
> >> Applied Mathematics and a BSc in Electrical Engineering (both from TU
> >> Delft).
> >>
> >> I have previously successfully finished GSoC (2010, with Gentoo) and
> >> SOCIS (in 2013, with PyBRML) (SOCIS is a GSoC-like program managed by
> >> the European Space Agency).
> >>
> >> I am the author of hayland [1], the haskell bindings to the wayland C
> >> library, as well as haskell-xkbcommon [2], the haskell bindings to the
> >> xkbcommon C library.
> >>
> >>
> >>
> >> The name of this fork is up for discussion.
> >>
> >> [1] https://github.com/tulcod/haskell-wayland
> >>
> >> [2] https://github.com/tulcod/haskell-xkbcommon
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