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Robert Mader 1c4a518cd3 wayland/xdg-shell: Move popup role assignment behind checks 
If we returned early in one of the checks but already assigned the
surface role, we'd later run into a double-free and crash. Just do
the checks at the beginning.

Also add a missing return statement that was left out in commit
88ff196fe3 and tighten the parent surface check.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1415
2020-08-27 00:10:05 +02:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
.gitlab-ci ci: Add gnome-shell runtime dependencies 2020-08-07 16:49:59 +02:00
clutter stage-view: Don't destroy onscreen until finalizing 2020-08-17 10:29:05 -03:00
cogl tests/clutter: Always use stage from backend 2020-08-13 17:51:56 +02:00
data cleanup: remove controversial naming 2020-08-04 10:04:16 +02:00
doc Add MetaGravity and replace X11 equivalent with it 2020-02-29 21:01:50 +00:00
meson build: Add postinstall script 2019-08-27 09:57:54 +00:00
po Updated Lithuanian translation 2020-08-26 22:39:33 +03:00
src wayland/xdg-shell: Move popup role assignment behind checks 2020-08-27 00:10:05 +02:00
subprojects build: bump ABI to sysprof-capture-4 2020-07-28 11:13:30 -07:00
tools tools: Remove obsolete ppa-magic.py 2018-11-30 11:12:12 +08:00
.gitignore build: bump ABI to sysprof-capture-4 2020-07-28 11:13:30 -07:00
.gitlab-ci.yml ci: Explicitly specify job dependencies 2020-08-04 18:00:04 +02:00
config.h.meson Add read-only anonymous file abstraction MetaAnonymousFile 2020-04-21 17:52:08 +02:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
meson_options.txt meson_options: Use libGLESv2.so.2 for COGL_DRIVER=gles2, not libGLESv2.so 2020-06-09 18:32:01 +08:00
meson.build Bump version to 3.37.91 2020-08-24 17:23:52 +02:00
mutter.doap doap: Update list of maintainers 2019-10-16 12:33:47 +02:00
NEWS Bump version to 3.37.91 2020-08-24 17:23:52 +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.