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Jonas Dreßler 64a1da9363 clutter/input-method: Check for equality before notifying properties 
ClutterInputMethods content hint or purpose will be set again (even to the
same values) whenever a wayland client sends us a new content type/purpose.
Gtk appears to always set a content purpose on wl_text_input changes, so we
currently set and notify the "content-purpose" property on every change in a
gtk text field.

Since the OSK is gnome-shell listens to this property and re-generates its
entire layout when the content-purpose prop gets notified, this is currently
causing lag/freezes on every keypress in the OSK in gnome-shell.

So ensure to not notify these properties in case they're equal and set the
properties in the same way as we usually set them instead of going via
GObject.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3645>
2024-03-16 12:32:49 +01:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
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clutter clutter/input-method: Check for equality before notifying properties 2024-03-16 12:32:49 +01:00
cogl cogl/winsys: Remove eglGetProcAddress workaround for EGL < 1.5 2024-03-13 16:37:31 +01:00
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 Danish translation 2024-03-12 22:00:31 +00:00
src backend/native: Use drmModeCloseFB for flicker-free login 2024-03-16 10:45:41 +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 background: Call malloc_trim() after loading background image 2024-03-12 17:27:29 +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 backend/native: Use drmModeCloseFB for flicker-free login 2024-03-16 10:45:41 +00:00
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.