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Marco Trevisan (Treviño) 6d8293a422 window-x11: Use any focusable window as fallback delayed focus window 
As per commit f71151a5 we focus an input window if no take-focus-window accepts
it. This might lead to an infinite loop if there are various focusable but
non-input windows in the stack.

When the current focus window is unmanaging and we're trying to focus a
WM_TAKE_FOCUS window, we intent to give the focus to the first focusable input
window in the stack.

However, if an application (such as the Java ones) only uses non-input
WM_TAKE_FOCUS windows, are not requesting these ones to get the focus. This
might lead to a state where no window is focused, or a wrong one is.

So, instead of only focus the first eventually input window available, try to
request to all the take-focus windows that are in the stack between the
destroyed one and the first input one to acquire the input focus.
Use a queue to keep track of those windows, that is passed around stealing
ownership, while we protect for unmanaged queued windows.

Also, reduce the default timeout value, as the previous one might lead to an
excessive long wait.

Added metatests verifying these situations.

Closes: https://gitlab.gnome.org/GNOME/mutter/issues/660
https://gitlab.gnome.org/GNOME/mutter/merge_requests/669
2019-07-08 11:46:52 +02:00
.gitlab-ci ci/Dockerfile: Add mesa crash fix 2019-06-26 18:26:52 +02:00
clutter clutter/main: Simplify thead lock handling 2019-07-01 19:12:35 -03:00
cogl Add fallback for semi-private symbols in Pango 2019-07-07 10:37:51 +01:00
data keybindings: Trigger locate-pointer on key modifier 2019-06-05 09:34:39 +00:00
doc Remove obsolete .cvsignore files 2019-01-10 11:50:54 -02:00
po Update Indonesian translation 2019-07-08 08:13:00 +00:00
src window-x11: Use any focusable window as fallback delayed focus window 2019-07-08 11:46:52 +02:00
tools tools: Remove obsolete ppa-magic.py 2018-11-30 11:12:12 +08:00
.gitignore project: Update gitignore 2019-01-10 11:50:54 -02:00
.gitlab-ci.yml ci: Test building without native backend support 2019-06-27 15:50:11 +00:00
config.h.meson xwayland: Fix build without <sys/random.h> 2019-06-20 12:37:18 +02:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
meson_options.txt cogl: Add libsysprof capture based tracing 2019-05-31 11:55:56 -03:00
meson.build Bump version to 3.33.3 2019-06-24 19:37:43 +02:00
mutter.doap Replace Bugzilla by Gitlab URL in DOAP file 2018-12-15 23:50:01 +01:00
NEWS Bump version to 3.33.3 2019-06-24 19:37:43 +02:00
README.md README: Add contribution section 2019-02-14 15:38:46 +01:00

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 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.