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Jonas Dreßler 58290cca57 window: Stop event propagation for drag and window-menu triggering events 
meta_window_handle_ungrabbed_event() triggers the show of the window menu in
gnome-shell via meta_window_show_menu() on hold of Meta + right mouse button
click.

Since meta_display_handle_event() was refactored lately and now forwards a
lot more events to Clutter (including the one triggering the window menu),
gnome-shell now sees this event after the menu has opened, figures that the
source-actor is outside of the menu, and immediately closes the menu again.

This is the correct behavior from the PopupMenuManager on the gnome-shell
side, it is the responsibility of the event handler that opens the menu (aka
meta_window_handle_ungrabbed_event()) to return CLUTTER_EVENT_STOP and stop
event propagation.

So fix this issue by adding a return value to
meta_window_handle_ungrabbed_event() and stopping event propagation in case
the event opened the window menu.

While at it, also return CLUTTER_EVENT_STOP for events triggering window
drags, so we can drop the extra check for that in
meta_display_handle_event().

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3623>
2024-03-04 09:59:59 +00:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
.gitlab-ci ci: Look for matching ref in user remote for branch pipeline 2023-08-08 04:11:13 +02:00
clutter clutter/frame-clock: Add a mode for variable scheduling 2024-03-02 12:08:21 +00:00
cogl cogl: Increase annotation coverage 2024-02-27 14:45:29 +00:00
data monitor-manger: Expose the minimum refresh rate of monitors 2024-03-02 12:35:36 +00:00
doc clutter/frame-clock: Add a state for when scheduled "now" 2024-02-10 16:16:19 +00:00
meson build: Replace custom post-install script 2022-11-19 02:21:05 +01:00
mtk gir: Remove unnused cairo include 2024-01-27 10:03:15 +00:00
po Update Catalan translation 2024-03-04 06:24:17 +00:00
src window: Stop event propagation for drag and window-menu triggering events 2024-03-04 09:59:59 +00:00
subprojects docs: Prefer using gi-docgen from a subproject 2024-02-09 12:29:50 +00:00
tools tools: Remove no longer useful scripts 2024-01-27 09:54:15 +00:00
.gitignore misc: Add common noisy dirs to gitignore 2024-01-08 19:53:57 +01:00
.gitlab-ci.yml ci: Rebase image to F40 2024-02-25 21:46:36 +00:00
check-style.py ci: Mark the regex to find chunks in code style checks as regex string 2023-12-15 14:49:57 +00:00
config.h.meson build: One config file to rule them all 2023-11-15 12:00:19 +00:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
logo.svg docs: Add a logo 2024-01-09 13:38:54 +00:00
meson_options.txt meson: Make libdisplay_info a feature option 2024-02-14 11:37:21 +00:00
meson.build Bump version to 46.rc 2024-03-03 15:02:00 +01:00
mutter.doap DOAP: Remove defunct mailing list; add Discourse 2023-09-15 03:19:22 +02:00
NEWS Bump version to 46.rc 2024-03-03 15:02:00 +01:00
README.md misc: Use the new mutter.gnome.org URL 2024-01-12 10:48:20 +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 first look at the GNOME Handbook and the documentation and API references below first.

Documentation

API Reference

License

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