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This function allows compositors to set the _NET_WORKAREA property on
the root window. XWayland clients use _NET_WORKAREA to determine how
much of the screen is not covered by panels/docks. The property is used
for example by Qt to determine areas of the screen that popup menus
should not overlap (see QScreen::availableVirtualGeometry).
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This is needed for compositors that want to reserve space for
XWayland panels. Such a feature can be useful in a "transitional"
setup, where only the X11 window manager and compositor is replaced
but other components of an X11 desktop environment are still used.
This change simply reads the X11 property; the compositor is free
to ignore it. Thus, compositors that don't want to support such a
"transitional" feature are not impacted.
v2: Update xwayland_surface_associate()
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We sometimes used HAS_, sometimes polluted the LIBINPUT_ namespace,
etc.
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This avoids re-building the whole project when switching one
Meson option. This shrinks down the compiler invocation command
line, making it more readable and making it easier to inspect
which flags are passed in (the generated file can be opened).
Additionally this is more consistent with our external feature
handling, which uses <wlr/config.h> already.
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Automatically shutdown Xwayland 10s after all X11 clients have
gone away.
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A launchee notifies with a "remove"¹ message when done starting up.
Catch these and forward to the compositor. This allows the compositor to
end the startup sequence that might have been started by another
protocol like xdg-activation.
We don't handle other messages since we expect the launcher to use a
wayland protocol like xdg-activation.
While `_NET_STARTUP_ID` helps to associate toplevels with startup-ids
this signals the end of the startup sequence.
1) https://specifications.freedesktop.org/startup-notification-spec/startup-notification-latest.txt
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This is use for startup notifications per startup-notifiation spec
https://specifications.freedesktop.org/startup-notification-spec/startup-notification-latest.txt
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This property is present on all modern X11 instances. The nonpresence of
it requires applications to fall back to XQueryTree-based logic to
determine stacking logic (e.g., to determine what surface should get
Xdnd events).
These code paths are effectively untested nowadays, so this makes it
more likely for wlroots to "break" applications. For instance, the
XQueryTree fallback path has been broken in Chromium for the last 10
years.
It's easy enough to maintain this property, so let's just do it.
Fixes #2889.
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`_NET_WM_PID` is unreliable: it is optional and even if set it may
contain PIDs from sandbox namespaces or remote systems.
Prefer XRes v1.2 QueryClientIds method which returns PIDs as seen by the
Xwayland server.
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wlroots' dependency on this library doesn't change the features
exposed to compositors. It's purely a wlroots implementation detail.
Thus downstream compositors shouldn't really care about it.
Introduce an "internal_features" dictionary to store the status of
such internal dependencies.
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This dependency is already required by many other widely used X11
programs, such as i3, Qt, and other XWMs. So it should be available
on most systems.
X11 support can be pretty broken without xcb-icccm, with focus issues
for instance. Let's just remove this --please-break-my-desktop footgun
option.
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Previously, the clipboard and primary selections shared the same window.
This was racey, and could have led to pasting failures.
On xfixes selection owner change notification, the logic for requesting
the supported mimetypes of the new owner's selection looks like:
xcb_convert_selection(
xwm->xcb_conn,
selection->window,
selection->atom,
xwm->atoms[TARGETS],
xwm->atoms[WL_SELECTION],
selection->timestamp
);
This means ask the selection owner to write its TARGETS for the
`selection->atom` selection (one of PRIMARY, CLIPBOARD, DND_SELECTION)
to `selection->window`'s WL_SELECTION atom.
However, `selection->window` is shared for both PRIMARY and CLIPBOARD
selections, and WL_SELECTION is used as the target atom in both cases.
So, there's a race when both selections change at the same time.
The CLIPBOARD selection might support mimetypes {A, B, C}, and the
PRIMARY only {A, B}. If the ConvertSelection requests/responses "cross
on the wire", so to speak, wlroots can end up believing that the PRIMARY
selection also supports C.
A Wayland client may then ask for the PRIMARY selection in C format,
which will fail with "convert selection failed".
This commit fixes this by using a separate window for PRIMARY and
CLIPBOARD target requests, so that WL_SELECTION can be used as the
target atom in both cases.
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This commit introduces logic for using a new X11 window for each
incoming transfer, rather than having a global window for each selection
source.
This eliminates a whole class of bugs involving multiple concurrent
incoming transfers.
For now, we retain the outgoing transfer queue, and the selection
source-specific windows to support it. Source-specific windows are no
longer used in the incoming path, and will be removed in a future PR.
Refs #1497.
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Certain clients require this property to be set for expected behavior.
Most notably, steam client CSD maximize button no longer worked
after unmaximizing once, unless the state was changed by another
method. The state is unset whenever another surface gains focus.
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Split the server part of wlr_xwayland into wlr_xwayland_server. This
allows compositors to implement their own XWM when wlroots' isn't a good
fit.
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Previously, some atoms had a leading underscore, others didn't. Be more
consistent and never use a leading underscore (symbols with a leading
underscore followed by an upper-case letter are reserved).
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It's very easy to break the mapping between the atom_name enum and the
atom_map array. Use explicit indexes to prevent issues.
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Fixes: https://github.com/swaywm/wlroots/issues/1469
Signed-off-by: Uli Schlachter <psychon@znc.in>
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This makes compositors able to block and/or customize set_selection requests
coming from clients. For instance, it's possible for a compositor to disable
rich selection content (by removing all MIME types except text/plain). This
commit implements the design proposed in [1].
Two new events are added to wlr_seat: request_set_selection and
request_set_primary_selection. Compositors need to listen to these events and
either destroy the source or effectively set the selection.
Fixes https://github.com/swaywm/wlroots/issues/1138
[1]: https://github.com/swaywm/wlroots/issues/1367#issuecomment-442403454
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This prevents some annoying issues when e.g. not including wlr/config.h or
making a typo in the guard name.
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We spent literally hours trying to debug this. Turns out it's a typo.
Kill me.
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Adds a modal property to indicate whether the surface wants to be a
modal.
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Some comboboxes (e.g. in chrome://flags) are advertized as…
Notifications of course! Yeah, notifications, the thing that
tells you you have mail, your battery is low, or the dog has
eaten your carpet. This isn't the first time we notice Chromium's
X11 backend is pretty shit.
Anyway, added notifications and splash screens to the list of
unmanaged windows. Also removed utility windows because those
should be managed, but maybe I'm wrong and I'll revert this.
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This fixes drag'n'drop support for Chromium.
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Need to include wlr/config.h before using the various WLR_HAS_xxx defines
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`xcb_errors_context_new` is more than just a malloc, it does a few
xcb requests so we benefit from not generating a new context everytime
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xwm.h was meant to be private, so move it to include/xwayland/xwm.h
We had an ifdef WLR_HAS_XCB_ICCCM in xwayland.h which was easy to move
to xwm, it is not safe to use the WLR_HAS_* in the public headers.
I checked a few of our current users and none rely on xwm.h being
public as expected (rootston, sway, hsroots)
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