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Uli Schlachter 9e14e43bd8 Fix writing /tmp/.X{}.lock 
Here is a lock file not created by smithay:

$ xxd /tmp/.X0-lock
00000000: 2020 2020 2020 2035 3537 0a                     557.

And this is a lock file created by smithay:

$ xxd /tmp/.X23-lock
00000000: 2020 2020 3130 3733 3332                     107332

As you see, the difference is a trailing newline (0x0a).

Lock files 1 to 22 where also created by smithay, because I started it a
couple of times. Reading these lock files fails, since the code expects
a file with at least 11 bytes of content: It uses read_exact() with a
buffer of length 11 in the Err()-branch of the match that this commit
modifies.

Signed-off-by: Uli Schlachter <psychon@znc.in>
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README.md

Smithay

Crates.io docs.rs Build Status Join the chat on matrix at @smithay:matrix.org Join the chat via bridge on gitter at smithay/Lobby

A smithy for rusty wayland compositors

Goals

Smithay aims to provide building blocks to create wayland compositors in Rust. While not being a full-blown compositor, it'll provide objects and interfaces implementing common functionalities that pretty much any compositor will need, in a generic fashion.

Also:

  • Documented: Smithay strives to maintain a clear and detailed documentation of its API and its functionalities. Compiled documentations are available on docs.rs for released versions, and here for the master branch.
  • Safety: Smithay will target to be safe to use, because Rust.
  • Modularity: Smithay is not a framework, and will not be constraining. If there is a part you don't want to use, you should not be forced to use it.
  • High-level: You should be able to not have to worry about gory low-level stuff (but Smithay won't stop you if you really want to dive into it).

Anvil

Like others, Smithay as a compositor library has its own sample compositor: anvil.

You can run it with cargo after having cloned this repository:

cd anvil;

cargo run -- --{backend}

The currently available backends are:

  • --winit: start anvil as a Winit application. This allows you to run it inside of an other X11 or Wayland session.

  • --tty-udev: start anvil in a tty with udev support. This is the "traditional" launch of a Wayland compositor. Note that this requires you to start anvil as root if your system does not have logind available (consolekit support is planned). To use logind, you need to activate the associated cargo feature:

    cargo run --features logind -- --tty-udev