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Marco Trevisan (Treviño) 2625edec10 x11/x11-display: Set compositor selection earlier on XWayland 
When the X11 display is actually XWayland there's no point to delay the
compositor selection, given that mutter itself is the compositor and
doing this may cause the first X11 client that starts not to receive the
right information (and in some cases misbehave).

Since some toolkits are not handling the compositor selection changes
properly at later times, let's make their life easier by just
initializing the selection as early as the other X11 properties, given
that in this case there's nothing to replace.

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/2472
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2970>
2023-05-15 19:04:59 +02:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
.gitlab-ci tests: Use a more interoperable path to bash 2023-03-22 15:16:06 +00:00
clutter build: Use / operator instead of join_paths everywhere 2023-05-04 12:35:38 +00:00
cogl build: Use / operator instead of join_paths everywhere 2023-05-04 12:35:38 +00:00
data Fix shortcut wording 2023-05-08 21:00:05 +00:00
doc core: Delete now unused code 2023-01-30 10:56:29 +00:00
meson build: Replace custom post-install script 2022-11-19 02:21:05 +01:00
po Update French translation 2023-05-12 13:05:48 +00:00
src x11/x11-display: Set compositor selection earlier on XWayland 2023-05-15 19:04:59 +02:00
subprojects build: Update sysprof build options 2022-12-17 19:58:00 +00:00
tools tools/get-state: Round refresh rates to three decimal places 2022-08-19 15:28:56 +00:00
.gitignore Add .buildconfig to .gitignore 2023-02-17 21:44:29 +00:00
.gitlab-ci.yml ci,tests: Pass GTK_A11Y=none to tests 2023-03-03 20:17:01 +00:00
check-style.py check-style: Allow deciding on individual suggestions with --rewrite 2023-02-20 22:21:01 +00:00
config.h.meson edid: Integrate libdisplay-info for edid parsing 2023-05-02 17:37:01 +00:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
HACKING.md docs: Update coding style link 2021-11-09 19:52:14 +01:00
meson_options.txt edid: Integrate libdisplay-info for edid parsing 2023-05-02 17:37:01 +00:00
meson.build build: Use / operator instead of join_paths everywhere 2023-05-04 12:35:38 +00:00
mutter.doap mutter.doap: Add marge-bot as a maintainer 2020-11-16 11:59:45 +01:00
NEWS Bump version to 44.1 2023-04-25 18:16:17 +02:00
README.md readme: Expand how to tag commit messages 2023-03-03 23:17:26 +00:00

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 of 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.

It can be useful to look at the documentation available at the Wiki.

The API documentation is available at:

Coding style and conventions

See HACKING.md.

Git messages

Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit. Try to always prefix commit subjects with a relevant topic, such as compositor: or clutter/actor:, and it's always better to write too much in the commit message body than too little.

If a commit fixes an issue and that issue should be closed, add URL to it in the bottom of the commit message and prefix with Closes:.

Do not add any Part-of: line, as that will be handled automatically when merging.

The Fixes tag

If a commit fixes a regression caused by a particular commit, it can be marked with the Fixes: tag. To produce such a tag, use

git show -s --pretty='format:Fixes: %h (\"%s\")' <COMMIT>

or create an alias

git config --global alias.fixes "show -s --pretty='format:Fixes: %h (\"%s\")'"

and then use

git fixes <COMMIT>

Example

compositor: Also consider dark matter when calculating paint volume

Ignoring dark matter when calculating the paint volume missed the case where
compositing happens in complete vacuum.

Fixes: 123abc123ab ("compositor: Calculate paint volume ourselves")
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1234

Default branch

The default development branch is main. If you still have a local checkout under the old name, use:

git checkout master
git branch -m master main
git fetch
git branch --unset-upstream
git branch -u origin/main
git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main

License

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