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Carlos Garnacho a0bdf44c2d core: Do not crash on untimely stack queries for X11 windows 
Some meta_later operations may happen across XWayland being shutdown,
that trigger MetaStackTracker queries for X11 XIDs. This crashes as
the MetaX11Display is already NULL.

Return a NULL window in that case, as in "unknown stack ID".

https://gitlab.gnome.org/GNOME/mutter/merge_requests/728
2019-08-15 15:11:01 +02:00
.gitlab-ci ci/Dockerfile: Add mesa crash fix 2019-06-26 18:26:52 +02:00
clutter clutter-actor: Expose layout manager properties to transitions 2019-08-06 23:19:33 +02:00
cogl cogl/tests: Only install run-tests.sh when building installed tests 2019-07-22 22:07:39 +01:00
data wayland: Add setting/api to check the policy to set up the X11 display 2019-08-06 00:41:36 +00:00
doc Remove obsolete .cvsignore files 2019-01-10 11:50:54 -02:00
po Update Indonesian translation 2019-08-13 09:21:34 +00:00
src core: Do not crash on untimely stack queries for X11 windows 2019-08-15 15:11:01 +02:00
tools tools: Remove obsolete ppa-magic.py 2018-11-30 11:12:12 +08:00
.gitignore project: Update gitignore 2019-01-10 11:50:54 -02:00
.gitlab-ci.yml ci: Test building without native backend support 2019-06-27 15:50:11 +00:00
config.h.meson xwayland: Fix build without <sys/random.h> 2019-06-20 12:37:18 +02:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
meson_options.txt cogl: Add libsysprof capture based tracing 2019-05-31 11:55:56 -03:00
meson.build compositor: Use g_clear_signal_handler to disconnect signal handlers 2019-08-14 15:42:03 +00:00
mutter.doap Replace Bugzilla by Gitlab URL in DOAP file 2018-12-15 23:50:01 +01:00
NEWS Bump version to 3.33.90 2019-08-09 21:35:49 +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.