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The surfaces are stored in the bottom-to-top order, as specified
in include/xwayland/xwm.h and expected by
wlr_xwayland_surface_restack().
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X11 clients expect a ConfigureNotify after a ConfigureRequest. If
the compositor/window manager chooses not to honor the request
(e.g. due to the window being maximized), XWayland will not send a
"real" ConfigureNotify event and the window manager is expected to
send a synthetic event instead. Otherwise, the X11 client is left
waiting and may not repaint its window properly.
For comparison, see Openbox's client_configure() or Weston's
weston_wm_window_send_configure_notify().
v2: Move logic to wlr_xwayland_surface_configure()
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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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Fixes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3575
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The same X11 window can be used multiple times with a different
wl_surface.
Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3570
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This new function replaces wlr_surface_is_xwayland_surface() and
wlr_xwayland_surface_from_wlr_surface().
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xwayland_surface_associate() already does this.
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Make sure xwayland_surface_associate() is not called twice in a
row without a xwayland_surface_dissociate() call in-between.
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If a window is unmapped too quickly, we might receive UnmapNotify before
we get the corresponding wl_surface, which will later lead to
associating the same window twice. To fix this, move the NULL surface
check to xwayland_surface_dissociate(), which makes resetting the
unpaired link and the wl_surface object ID unconditional.
Fixes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3552
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86fc2199f85a ("build: unify naming for HAVE_* defines") has
switched over all other feature defines from HAS_* to HAVE_*, but
missed this one.
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The dep allows us to check dep variables to discover supported
features. With the binary we assume none of the features are
supported. If a user forgets to install the pkg-config file (e.g.
because it's in a split package) we end up incorrectly disabling
all features. Instead let's error out.
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We sometimes used HAS_, sometimes polluted the LIBINPUT_ namespace,
etc.
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Avoids the need to have a separate config.h, and removes C compiler
arguments.
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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3545
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Rename xwm_map_shell_surface() to xwayland_surface_associate().
This function doesn't actually "map" the surface in Wayland
parlance, the wl_surface may not have a buffer attached yet.
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This allows users to setup event listeners before the server is
actually started.
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This can be used to know when wlr_xwayland_server decides to start
a new Xwayland process. At that point the wl_client has already
been created but the Xwayland process hasn't been started yet.
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References: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/163
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Instead, move the check to the caller.
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We're about to get one more Xwayland-related thing, and this header
already contains two things.
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Always keep it initialized, so that we don't have to check for
xsurface->surface_id.
Will help with WL_SURFACE_SERIAL support, which adds a new way for
a surface to be unpaired.
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This allows whatever the user calls from the signal handlers to react to observe
the new state rather than the old, e.g. that a surface is no longer mapped in
the unmap handler.
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Automatically shutdown Xwayland 10s after all X11 clients have
gone away.
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This allows users to specify a delay after which the Xwayland process
terminates itself when there are no more X11 clients connected.
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Ensures there is no field left to its previous undefined value after
calling an init function.
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The original commit introduced a bug by transposing the order of
some of the fields in xcb_size_hints_t. Since XCB ICCCM support is
required now, we can just eliminate the duplicate structs.
With minor changes:
- Remove #ifdef HAS_XCB_ICCCM guards
- Fix #includes
- Fix references to local size_hints struct
This reverts commit 12b9b1a4bdf00742cc510c2329c7a66c649b3ab0.
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Using Xwayland -displayfd means we don't need to worry about handling
SIGUSR1 to second guess when Xwayland is ready and write to the pipe:
just let it do that write when it would be sending SIGUSR1 otherwise.
Closes: #3356
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Now the role precommit hook is called before the commit, not on
wl_surface.commit request, and takes a state which is to be applied.
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This allows compositors to handle touch pointer emulation manually,
instead of having Xwayland do it [1].
[1]: https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/691
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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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Instead, use wlr_surface_state.buffer only.
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Currently, upon activating a surface, wlroots restacks it on top of all
others.
This may not necessarily be correct from the calling compositor's point
of view, where having focus may not imply being top-of-stack (e.g.,
focusing a window under an always-on-top window).
In Sway's case, this means that focused tiling windows will always be on
top of floating windows, at least in the order communicated to X11 apps.
This breaks drag-and-drop from a focused tiling X11 window to a floating
X11 window which partially obscures the former.
This is a breaking change; to retain the previous behavior, users that
were calling
wlr_xwayland_surface_activate(xsurface, true);
should now be calling
wlr_xwayland_surface_activate(xsurface, true);
wlr_xwayland_surface_restack(xsurface, NULL, XCB_STACK_MODE_ABOVE);
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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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If XWayland terminates for any reason, xwm_set_cursor() has to
to be called again, so the cursor has to stick around.
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As more options are added, more fields will be duplicated. Let's
just embed the struct in wlr_xwayland_server so that we don't need
to keep both in sync.
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Remove fill_arg and replace it with stack-allocations and simple
array-filling.
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Logging the raw Xwayland command-line was incomplete, uninformative
and confusing for end-users. Instead, print a proper message in
English.
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Allocate window arrays for list property updates on the heap instead.
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