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Jonas Dreßler e9866eee0f compositor: Set priv->current_drag before calling meta_window_drag_begin() 
priv->current_drag is the property that
meta_compositor_get_current_window_drag() and therefore also
meta_display_is_grabbed() bases its check on. We use
meta_display_is_grabbed() to select which cursor to use (window cursor
vs root cursor) when updating the cursor in MetaCursorTracker.

Since meta_window_drag_begin() sets a new cursor, and therefore triggers the
cursor tracker to update the current visible cursor, we should set
priv->current_drag before the call to meta_window_drag_begin(). This makes
sure the cursor tracker sees that there's a window drag and changes the
cursor right away when the window drag begins (instead of doing so on
subsequent pointer events).

Fixes: 525ed1166c ("wayland/pointer: Unset current surface during window drags")
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3630>
2024-03-02 20:24:26 +00:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
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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 Russian translation 2024-03-02 19:54:04 +00:00
src compositor: Set priv->current_drag before calling meta_window_drag_begin() 2024-03-02 20:24:26 +00:00
subprojects docs: Prefer using gi-docgen from a subproject 2024-02-09 12:29:50 +00:00
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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 meson: Make libdisplay_info a feature option 2024-02-14 11:37:21 +00:00
mutter.doap DOAP: Remove defunct mailing list; add Discourse 2023-09-15 03:19:22 +02:00
NEWS Bump version to 46.beta 2024-02-11 15:51:16 +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.