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Jonas Dreßler b97a6e62a3 window: Add a note about the trustworthiness of the client PID 
Since PIDs are inherently insecure because they are reused after a
certain amount of processes was started, it's possible the client PID
was spoofed by the client.

So make sure users of the meta_window_get_pid() API are aware of those
issues and add a note to the documentation that the PID can not be
totally trusted.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1180
2020-05-21 23:10:23 +00:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
.gitlab-ci ci: Enable coverage reports in test build 2020-05-07 22:08:44 +00:00
clutter clutter/box-layout: Remove child meta 2020-05-21 15:49:31 +02:00
cogl cogl: Add new function cogl_pipeline_set_layer_max_mipmap_level() 2020-05-13 09:37:31 +00:00
data display: Make check-alive timeout configureable 2020-02-23 17:28:57 +00:00
doc Add MetaGravity and replace X11 equivalent with it 2020-02-29 21:01:50 +00:00
meson
po Update German translation 2020-04-24 22:38:04 +00:00
src window: Add a note about the trustworthiness of the client PID 2020-05-21 23:10:23 +00:00
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.gitlab-ci.yml ci: Save built artifacts only for the test build 2020-05-07 22:08:44 +00:00
config.h.meson Add read-only anonymous file abstraction MetaAnonymousFile 2020-04-21 17:52:08 +02:00
COPYING
meson_options.txt meson: Expand on xwayland_initfd option description 2020-03-09 17:59:25 +00:00
meson.build build: Add configuration summary line about coverage being enabled 2020-05-07 22:08:44 +00:00
mutter.doap
NEWS Bump version to 3.37.1 2020-04-29 18:47:11 +02:00
README.md README: Add contribution section 2019-02-14 15:38:46 +01:00

README.md

Mutter

Mutter is a Wayland display server and X11 window manager and compositor library.

When used as a Wayland display server, it runs on top of KMS and libinput. It implements the compositor side of the Wayland core protocol as well as various protocol extensions. It also has functionality related to running X11 applications using Xwayland.

When used on top of Xorg it acts as a X11 window manager and compositing manager.

It contains functionality related to, among other things, window management, window compositing, focus tracking, workspace management, keybindings and monitor configuration.

Internally it uses a fork of Cogl, a hardware acceleration abstraction library used to simplify usage of OpenGL pipelines, as well as a fork af Clutter, a scene graph and user interface toolkit.

Mutter is used by, for example, GNOME Shell, the GNOME core user interface, and by Gala, elementary OS's window manager. It can also be run standalone, using the command "mutter", but just running plain mutter is only intended for debugging purposes.

Contributing

To contribute, open merge requests at https://gitlab.gnome.org/GNOME/mutter.

The coding style used is primarily the GNU flavor of the GNOME coding style with some minor additions such as preferring stdint.h types over GLib fundamental types, and a soft 80 character line limit. However, in general, look at the file you're editing for inspiration.

Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit.

License

Mutter is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for detalis.