deaa9480a8
The XSizeHints set by X11 clients give a hint to the window manager about size increment, aspect ratio, base, minimum and maximum size, etc. When an X11 client changes those values, there is a good chance that it will affect the actual window size in some way, and mutter rightfully queue a window resize in that case. However, mutter does not check if any of the hints have actually changed and unconditionally queue a window resize whenever a client changes its WM_NORMAL_HINTS property. That can be a problem when a zealous client such as xterm decides to update its WM_NORMAL_HINTS property on resize, because in return mutter will queue a non-user driven resize in the middle of user-driven events, hence defeating the purpose of the META_MOVE_RESIZE_USER_ACTION flag. To avoid that issue, make mutter a bit smarter and avoid queuing a window resize if the XSizeHints haven't actually changed. https://gitlab.gnome.org/GNOME/mutter/-/issues/543 |
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| .gitlab/issue_templates | ||
| .gitlab-ci | ||
| clutter | ||
| cogl | ||
| data | ||
| doc | ||
| meson | ||
| po | ||
| src | ||
| subprojects | ||
| tools | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| config.h.meson | ||
| COPYING | ||
| meson_options.txt | ||
| meson.build | ||
| mutter.doap | ||
| NEWS | ||
| 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.