5037b88a2d
Currently, the maximum size for a mouse pointer bitmap for screen casting is 64x64 pixels. However, this limit is hit way too often as it is way too low and results in crashes in either gnome-remote-desktop or mutter. For example: The a11y settings in g-c-c allow setting a larger pointer bitmap in order to increase the visibility of the mouse pointer. With the current limit of 64x64 pixels it is not possible to use the larger variants of the default mouse pointer bitmap, without experiencing any crash. Another way to hit the limit is when display scaling is used or some game uses a custom (large) mouse pointer bitmap. The VNC backend in gnome-remote-desktop does not seem to have a maximum pointer bitmap size. The RDP backend on the other hand has a maximum pointer bitmap size at 384x384. Use this size (384x384) as maximum size instead of the current 64x64 size for mouse pointer bitmaps to avoid crashes in mutter and gnome-remote-desktop and to ensure that bigger mouse pointer bitmaps can be used. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1414
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.