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Author SHA1 Message Date
Carlos Garnacho
5f30d1b8ac backends: Split pad action mapping to a separate object
This now lives in the core, and will get updated from events in the
UI thread.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
00cbcb7ba1 core: Centralize cursor renderer and tracker updates
These use now more of a "pull" model, where they receive update
notifications and the relevant input position is queried, instead
of the coordinates being passed along.

This allows to treat cursor renderers all the same independently
of the device they track. This notifying of position changes should
ideally be more backend-y than core-y, a better location will be
figured out in future commits.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
c93bea9f59 wayland: Move away from meta_cursor_renderer_get_position()
Fetch the cursor renderer device, and query its position instead.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
de0848b28b backends: Use graphene_point_t on meta_cursor_tracker_get_pointer()
It's nicer to propagate along.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
cd02286b87 backends/native: Manage tablet cursors in backend
Instead of letting the wayland bits maintain an always-software
cursor renderer, let the cursor renderer be managed by the backend,
and only hook to it (as we do for pointer cursor) in the wayland
bits.

ATM, make the cursor renderer still always-software, although
ideally we should allow moving the HW cursor management between
renderers.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
0d83fcc870 wayland: Look up cursor renderer for device on MetaWaylandPointer
Make it explicitly look up the pointer device, instead of implicitly
relying on it.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
d41dbf92ea wayland: Replace cursor renderer usage with cursor tracker
We just want to know the pointer position, let's use something else
here.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
e721fde259 backends: Add argument for best scale on MetaCursorSprite::prepare-at
Instead of letting implementations poke backend internals from various
places, give that information right away.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Carlos Garnacho
8a8d47725c backends: Delegate pointer confinements to an impl object
Split pointer confinements in 2 objects, one set from the upper layers
containing its definition, and another managed by the backend that
applies it.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00
Robert Mader
c78b03bd50 wayland/compositor: Only emit frame callbacks for the primary stage view
Since we schedule frames for each stage view seperately now, surfaces receive
frame callbacks for each stage view they are visible on.

Only emit frame callbacks for the primary stage view.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1468>
2020-11-19 19:44:43 +01:00
Olivier Fourdan
8bf399ff0c xwayland: Match applications without WM_CLASS nor WM_NAME
For X11 grabs, the pattern matching mechanism would simply ignore
applications which have neither WM_CLASS nor WM_NAME set.

When dealing with an override redirect window however, it is not
uncommon that these window have neither value set as these window are
supposed to be ignored by the window manager.

When the WM_CLASS or the WM_NAME is not set by the client, assume the
value is empty so the pattern matching can allow for these.

https://gitlab.gnome.org/GNOME/mutter/-/issues/1249

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1254>
2020-11-06 15:57:23 +01:00
Robert Mader
4e9a67acc6 wayland/subsurface: Check for circular relationships
If a subsurface is equal to or an ancestor of the parent surface
we currently crash. Check for that case and terminate the client.

Closes https://gitlab.gnome.org/GNOME/mutter/-/issues/1521
2020-11-05 21:16:27 +01:00
Jonas Ådahl
eaa6efef56 wayland/window: Don't lose precision in MetaWaylandWindowConfiguration
Commit 8bdd2aa7 would offset the window position by the difference
between the configured window size and the committed size from the
client to prevent the window from drifting while resizing.

This, however, did not take into account the actual geometry scale, so
when using any scale greater than 1, the window would rapidly drift away
due to that offset.

In order to solve this, we need to make sure we store away the pending
window configuration in the stage coordinate space, in order to not
loose precision. When we then calculate the offset given the result from
the client, it'll use the right scalars, while before, one scalar was in
surface coordinates, while the other in stage coordinates.

https://gitlab.gnome.org/GNOME/mutter/-/issues/1490
2020-10-29 10:24:25 +01:00
Carlos Garnacho
a76a47fbde clutter: Pass timestamp to clutter_input_device_set_actor()
This function emits crossing events, so needs a (most times truthful)
timestamp. Make it explicit instead of fetching it from the device.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
2020-10-23 18:48:19 +00:00
Carlos Garnacho
6a6894a397 clutter: Specify stage on clutter_input_device_update() function
This is the function performing the picking, tell it explicitly the
stage it should happen on.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
2020-10-23 18:48:18 +00:00
Carlos Garnacho
f00e567417 wayland: Use Clutter event to handle touch cancel
The semantics for libinput events are not as expected here. Besides
it's pointless, as those should arrive per-slot in a burst, and we
cancel on the first event.

We can simply use the Clutter event for this.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
2020-10-23 18:48:18 +00:00
Carlos Garnacho
3a65ee7c6a wayland: Simplify wl_touch.frame handling
We want to coalesce multiple touch events into the same wl_touch.frame
event. Instead of poking internals to peek the touch events (and their
slots) coming at us before we handle them, simplify things by queueing
the event at a slightly lower priority than events, so we are ensured
to handle all pending input events before sending the event.

If there's no pending events, we can just send the frame event. As it
doesn't make sense to hold any longer.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
2020-10-23 18:48:18 +00:00
Christian Rauch
a93ef84d57 wayland/window: Provide prior floating window dimensions
Implements the "prior window window geometry dimensions" as described in
the documentation of 'xdg_toplevel' request 'unset_maximized':
"If available and applicable, the compositor will include the window
geometry dimensions the window had prior to being maximized in the
configure event."
and 'unset_fullscreen':
"The compositor may include the previous window geometry dimensions in
the configure event, if applicable."

Fixes https://gitlab.gnome.org/GNOME/mutter/issues/792.
2020-10-22 16:29:09 +00:00
Carlos Garnacho
f4a1dcfc93 wayland: Set IO error exit handler
If this call is available, we can turn libX11 IO errors (fatal by definition)
into something we can recover from. Try to dispose all X11 resources and close
the display instead, so the compositor can survive the event.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1447
2020-10-21 18:57:13 +02:00
Carlos Garnacho
1b39b92fa5 xwayland: Protect against MetaX11Display abruptly closing
If the MetaX11Display abruptly closed when X11 windows were present,
we would still try to deal with them while freezing/thawing for the
"fade out" animation.

At the bottom of that, the X server may be gone, just try to cope
with it.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1447
2020-10-21 18:57:12 +02:00
Jonas Ådahl
cd52288ddc wayland: Allow specifying Wayland display name from command line
Useful to avoid warnings when starting when there is already an active
Wayland compositor in the session.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1515
2020-10-20 21:16:30 +00:00
Daniel van Vugt
345976192d wayland-buffer: Add debug logging of pixel format in use
Enable it with environment `MUTTER_DEBUG=wayland`.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1387
2020-10-20 09:53:53 +00:00
Daniel van Vugt
e480d0c71e wayland-dma-buf: Add debug logging of pixel format in use
Enable it with environment `MUTTER_DEBUG=wayland`.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1387
2020-10-20 09:53:52 +00:00
Robert Mader
554f7984e9 window/wayland: Offset position with size mismatch when finishing a resize
Analogous to commit 8bdd2aa7db, calculate the size missmatch offset
also when finishing a resize.

Closes https://gitlab.gnome.org/GNOME/mutter/-/issues/396
2020-10-19 11:16:12 +02:00
Robert Mader
ae0d48b6fd wayland/subsurface: Only show subsurface if parent is mapped
The spec states:
```
A sub-surface becomes mapped, when a non-NULL wl_buffer is applied
and the parent surface is mapped. The order of which one happens
first is irrelevant. A sub-surface is hidden if the parent becomes hidden,
or if a NULL wl_buffer is applied. These rules apply recursively
through the tree of surfaces.
```

In the past we relied on Clutter actor behaviour to realize the recursive
part - which then broke in
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/664
when we changed the actor hierachy in regards to subsurfaces.

Explicitly encode the desired behaviour in `MetaWaylandSubsurface`, fixing
the issue and making it future proof.

Closes https://gitlab.gnome.org/GNOME/mutter/-/issues/1384
2020-10-14 18:55:21 +02:00
Julius Lehmann
433b59f74a wayland: Don't send proximity_in for new resources
Mutter sends a proximity-in event before the required tablet tool
resource is properly allocated on the client. This is violating the
Wayland protocol. Because libwayland ignores events for objects it
doesn't know yet, this is not noticeable in most applications. However,
if https://gitlab.freedesktop.org/wayland/wayland/-/issues/176 gets
fixed, these applications would likely crash immediately. Therefore this
PR removes the responsible code which, again, shouldn't have any effect
on client applications as they ignore this event anyway.

Relevant part of the spec:

    This event can be received when the tool has moved from one surface to
    another, or when the tool has come back into proximity above the
    surface.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1427
2020-10-12 09:37:19 +00:00
Jonas Ådahl
2c95e08998 Remove misplaced line break in g_* logging functions
They resulted in empty lines in the log.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1466
2020-10-08 16:38:41 +02:00
Jonas Ådahl
7266e516a1 wayland: Don't include newline in client error events
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1466
2020-10-08 16:38:41 +02:00
Jonas Ådahl
313e3e771c Make meta_* logging utilities not require line break
Unlike g_* logging utilities, the meta_* counterparts behave like odd
printf() functions. Lets change that so they fit better into how logging
is done everywhere else.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1466
2020-10-08 16:38:41 +02:00
Jonas Ådahl
8bdd2aa7db window/wayland: Offset position with size mismatch when resizing
When we resize a window we send it configure requests with size
suggestion. Some clients, e.g. gnome-terminal will limit its size to a
discrete set given the font size resulting in the size often not being
respected completely, but used as a hint to find a size as large as
possible but not larger than the configured size.

When doing an interactive resize dragging the right or top side of a
window, this caused issues with the configured window size not matching
the one used by the client, as the configured position wouldn't be
correct for the actual size. Fix this by offsetting the position given
the size mismatch offset, making the position again in sync with the
size.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1447

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1477
2020-10-07 16:49:35 +02:00
Sergio Costas
5afdbc669d wayland/client: Free GSubprocessLauncher after spawning
A Meta.WaylandClient() object has a GSubprocessLauncher object
passed externally. Currently this object is kept while the
WaylandClient object exists, but is is only needed until the call
to spawn is made.

This patch frees that GSubprocessLauncher just after that call,
thus freeing those resources.

Fix https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1462
2020-10-02 15:37:52 +00:00
Robert Mader
71f03a718d wayland/actor-surface: Always set opaque region on alpha-less textures
Wayland clients using buffers without alpha channel are not expected to
set an opaque region. However, we rely on the opaque region for the fast
painting path in `MetaShapedTexture`.

Thus, make sure to always set an opaque region internally in those cases.
For X11 clients, wo do so already.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1463
2020-10-02 15:09:12 +00:00
Sergio Costas
533882ab77 wayland: Fix refcount error
The Meta.WaylandClient constructor receives a GSubprocessLauncher
as a parameter, and stores it internally. Unfortunately, its
refcount value isn't increased, which results in the object being
released twice.

This patch fixes this bug.

Fix https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1454
2020-09-29 20:44:25 +00:00
Karol Herbst
9b9b912765 backends: force enable modifiers on tagged devices
Some devices can't scanout to linear buffers directly as the hw is not
capable of eg rendering into a linear depth buffer.

Add code to force kms-modifiers on udev taged devices.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1408

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1443
2020-09-28 14:00:44 +02:00
Robert Mader
82fffacbae wayland: Add versions to primary selection protocols
Just so we follow convention - those versions are unlikely to ever change.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1452
2020-09-27 17:20:23 +02:00
Jonas Ådahl
db7967327a wayland/window: Always flag acked move/resize as 'moved' if moved
We only did this if we weren't currently doing an interactive resize,
but since the finish_move_resize() is not the actual interactive resize
but the acknowledgment of the configure event that was emitted as a
result, we shouldn't limit ourself to the same flags used during resize.

This fixes temporarly "stuck" position of attached modal dialogs while
they are being resized.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1163

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1446
2020-09-18 11:37:23 +00:00
Carlos Garnacho
e2123768f6 wayland: Drop Xwayland abstract socket
This is unnecessary, and even counter productive with flatpak applications,
as there is a bind mount between the application and the socket.

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1289

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1424
2020-08-31 19:46:27 +00:00
Florian Müllner
6b04b2ff60 clutter/backends: Rename master and slave devices
Just because X11/XI uses a particular terminology doesn't mean we
have to use the same terms in our own API. The replacement terms
are in line with gtk@1c856a208, which seems a better precedent
for consistency.

Follow-up to commit 17417a82a5.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1425
2020-08-31 21:07:03 +02:00
Carlos Garnacho
8cc95e44f4 wayland: Reword comment
This is no longer directly related to DBus messages, but our own event
queue. Change the wording and use CLUTTER_PRIORITY_EVENTS to make it
bolder, even though it's the same than G_PRIORITY_DEFAULT.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1286
2020-08-31 08:40:12 +00:00
Carlos Garnacho
6f316345be wayland: Flush text_input.done event after IM key event
We set an idle to coalesce multiple IM events together, as the protocol
requires us to send them in one frame, and unfortunately there is no
idea about whether more IM events are upcoming.

One good hint though are key events generated from the IM, we want to
apply all IM changes before the key event is processed, so make it sure
that the .done event is flushed before the key event is handled.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1286
2020-08-31 08:40:12 +00:00
Carlos Garnacho
fb6ff75a97 clutter: Prepare input focus for IM event delivery
The clutter_input_focus_filter_key_event() function has been made
a more generic filter_event(). Besides its old role about letting
key events go through the IM, it will also process the IM events
that are possibly injected as a result.

Users have been updated to these changes.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1286
2020-08-31 08:40:12 +00:00
Jonas Dreßler
0b9a71ea3c wayland/surface: Don't update outputs recursively on mapped changes
There's no need to update the outputs recursively in case the actor gets
mapped or unmapped. That's because mapping happens recursively itself,
so if a window with multiple subsurfaces is shown, all subsurfaces will
receive a "notify::mapped" signal.

Since this was the only remaining user of
meta_wayland_surface_update_outputs_recursively(), we can now remove
that function.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1358
2020-08-29 12:40:11 +00:00
Jonas Dreßler
35f847ac6d wayland/surface: Don't update outputs on all geometry changes
Since we now listen to the "stage-views-on-changed" signal (which
"catches" all the changes we want) on MetaWaylandActorSurfaces for
updating the wl_outputs the surface is on, we no longer need to call
meta_wayland_surface_update_outputs_recursively() on all geometry
changes, so remove that signal handler.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1358
2020-08-29 12:40:11 +00:00
Jonas Dreßler
abdbc14ca8 wayland/actor-surface: Update outputs on stage-views changes
ClutterActors new "stage-views-changed" signal fits pretty well for the
updating of wl_outputs a MetaWaylandActorSurface is on: With that signal
we get notified if the surface moved to a different CRTC, of which every
output has at least one.

So start listening to that signal, which fixes a bug where the wl_output
of a surface changes, but its allocation remains the same (which means
no signals triggering an update of the outputs will be emitted) and no
enter/leave events for the new wl_outputs are sent to the client. This
can happen when a monitor is hotplugged but the new allocation is
exactly the same as the old one even though it's on a different monitor.

Since the "stage-views-on-changed" signal will also get emitted when a
parent actor of the surface is moved, this means we can now remove the
call to meta_wayland_surface_update_outputs_recursively() on window
position changes or the completion of window-effects.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1358
2020-08-29 12:40:11 +00:00
Olivier Fourdan
5171e35a97 xwayland: Add a setting to disable selected X extensions
The X server, including Xwayland, can be compiled with different X11
extensions enabled at build time.

When an X11 extension is built in the X server, it's usually also
enabled at run time. Users can chose to disable those extensions at run
time using the X server command line option "-extension".

However, in the case of Xwayland, it is spawned automatically by the
Wayland compositor, and the command line options are not configurable
by users.

Add a new setting to disable a selected set of X extension in Xwayland
at startup, without needing to rebuild Xwayland.

Of course, if Xwayland is not built with a given extension support in
the first place (which is the default for the security extension for
example), that option has no effect.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1405
2020-08-29 12:20:26 +02:00
Björn Daase
5ec9bde64f *: Fix spelling mistakes found by codespell
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1410
2020-08-29 09:10:31 +00:00
Robert Mader
1c4a518cd3 wayland/xdg-shell: Move popup role assignment behind checks
If we returned early in one of the checks but already assigned the
surface role, we'd later run into a double-free and crash. Just do
the checks at the beginning.

Also add a missing return statement that was left out in commit
88ff196fe3 and tighten the parent surface check.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1415
2020-08-27 00:10:05 +02:00
Robert Mader
88ff196fe3 wayland/xdg-shell: Handle null-parent in get_popup()
The spec allows `parent_resource` to be `NULL`, requiring the parent
surface to get specified by some other protocol. Send a protocol error
with some meaningful explanation instead of crashing.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1408
2020-08-26 21:22:00 +02:00
Robert Mader
034c6ab9db wayland/xdg-shell: Add parent window validation in get_popup()
Like in most similar places we can not assume to get a valid window
when calling `meta_wayland_surface_get_window` as it e.g. might be
unmapped already.

Calling `get_popup` on an unmapped window is a client bug, thus post
a protocol error when this happens.

Closes https://gitlab.gnome.org/GNOME/mutter/-/issues/1174
Closes https://gitlab.gnome.org/GNOME/mutter/-/issues/1293
2020-08-26 18:34:03 +00:00
Robert Mader
59f0aef438 wayland/seat: Add seat_release interface
Without this calling wl_seat.release would crash Mutter.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1409
2020-08-26 19:55:09 +02:00
Robert Mader
8cbcd35fdf wayland/subsurface: Add check for parent surface
Just as we do in similar places. This avoids crashes under certain
circumstances.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1411
2020-08-23 22:32:53 +02:00
Christian Rauch
125f0b0351 wayland: prevent resizing of fixed-size window
Clients can set minimum and maximum to identical values to indicate a
fixed-size window. A compositor can ignore these requests and thus a client
has to ensure these limits.
To support clients that do not ensure these size limits by themselves and
to skip unnecessary function calls, we will prevent resizing requests by
the client if a fixed-size has been requested.

https://gitlab.gnome.org/GNOME/mutter/-/issues/1331
2020-08-13 19:54:32 +01:00
Jonas Ådahl
a54a01d1e2 wayland/dma-buf: Advertise support for 64 half point RGBA formats
Just as wl_shm, hook up the Wayland DMA-BUF protocol to the 64 bit half
point pixel formats too. This makes it possible for Wayland EGL clients
to use 64 bit pixel EGL configurations.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
2020-08-07 09:02:49 +00:00
Jonas Ådahl
d3f629bfa8 wayland/shm: Advertise support for 64 half point RGBA formats
Now that cogl understands them, hook wl_shm up so they can be used.

This also bumps the wayland-server version dependency to 1.17.90, which
corresponds to the master branch of wayland. The new formats will be
available in 1.18.0.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
2020-08-07 09:02:49 +00:00
Jonas Ådahl
8e673d5798 wayland/dma-buf: Advertise support for XRGB2101010 too
https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
2020-08-07 09:02:49 +00:00
Jonas Ådahl
115de303b0 wayland/shm: Add ARGB2101010 formats and friends
In order to get higher color pixel precision when the alpha channel is
less important. Only advertise these formats if it is supported by the
used cogl renderer.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
2020-08-07 09:02:49 +00:00
Jonas Ådahl
2d6040e2a3 wayland/shm: Advertise support for RGB565
Doesn't hurt to support it, could save memory bandwidth would any client
use it without degrading visual quality.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
2020-08-07 09:02:49 +00:00
Jonas Ådahl
5a8e4da2a8 wayland/shm: Send error if client uses unsupported format
Instead of rendering incorrectly (we fell back on some arbitrary
format), just send an error.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
2020-08-07 09:02:49 +00:00
Sergio Costas
f894f5cc13 wayland: Add API to launch trusted clients
Allowing code from inside mutter to create a child process and
delegate on it some of its tasks is something very useful. This can
be done easily with the g_subprocess and g_subprocess_launcher classes
already available in GLib and GObject.

Unfortunately, although the child process can be a graphical program,
currently it is not possible for the inner code to identify the
windows created by the child in a secure manner (this is: being able
to ensure that a malicious program won't be able to trick the inner
code into thinking it is a child process launched by it).

Under X11 this is not a problem because any program has full control
over their windows, but under Wayland it is a different story: a
program can't neither force their window to be kept at the top (like a
docker program does) or at the bottom (like a program for desktop icons
does), nor hide it from the list of windows. This means that it is not
possible for a "classic", non-priviledged program, to fulfill these
tasks, and it can be done only from code inside mutter (like a
gnome-shell extension).

This is a non desirable situation, because an extension runs in the
same main loop than the whole desktop itself, which means that a
complex extension can need to do too much work inside the main loop,
and freeze the whole desktop for too much time. Also, it is important
to note that javascript doesn't have access to fork(), or threads,
which means that, at most, all the parallel computing that can do is
those available in the _async calls in GLib/GObject.

Also, having to create an extension for any priviledged graphical
element is an stopper for a lot of programmers who already know
GTK+ but doesn't know Clutter.

This patch wants to offer a solution to this problem, by offering a
new class that allows to launch a trusted child process from inside
mutter, and make it to use an specific UNIX socket to communicate
with the compositor. It also allows to check whether an specific
MetaWindow was created by one of this trusted child processes or not.

This allows to create extensions that launch a child process, and
when that process creates a window, the extension can confirm in a
secure way that the window really belongs to that process
launched by it, so it can give to that window "superpowers" like
being kept at the bottom of the desktop, not being listed in the
list of windows or shown in the Activities panel... Also, in future
versions, it could easily implement protocol extensions that only
could be used by these trusted child processes.

Several examples of the usefulness of this are that, with it, it
is possible to write programs that implements:

- desktop icons
- a dock
- a top or bottom bar
...

all in a secure manner, avoiding insecure programs to do the same.
In fact, even if the same code is launched manually, it won't have
those privileges, only the specific process launched from inside
mutter.

Since this is only needed under Wayland, it won't work under X11.

Fixes https://gitlab.gnome.org/GNOME/mutter/issues/741
2020-08-04 08:42:29 +00:00
Olivier Fourdan
17417a82a5 cleanup: remove controversial naming
Replace "whitelist" and "blacklist" with "allow_list" and "deny_list"
which better represent the purpose of those variables.

There is no functional change.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1396
2020-08-04 10:04:16 +02:00
Jonas Ådahl
1ecdaa646f wayland: Respond to frame callbacks also if a clone was painted
This will mean that a surface on one monitor, with e.g. a preview on
another, will still get frame callbacks if the preview is painted, but
itself being hidden.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
2020-07-02 19:36:51 +02:00
Jonas Ådahl
a9a9a0d1c5 clutter: Paint views with individual frame clocks
Replace the default master clock with multiple frame clocks, each
driving its own stage view. As each stage view represents one CRTC, this
means we draw each CRTC with its own designated frame clock,
disconnected from all the others.

For example this means we when using the native backend will never need
to wait for one monitor to vsync before painting another, so e.g. having
a 144 Hz monitor next to a 60 Hz monitor, things including both Wayland
and X11 applications and shell UI will be able to render at the
corresponding monitor refresh rate.

This also changes a warning about missed frames when sending
_NETWM_FRAME_TIMINGS messages to a debug log entry, as it's expected
that we'll start missing frames e.g. when a X11 window (via Xwayland) is
exclusively within a stage view that was not painted, while another one
was, still increasing the global frame clock.

Addititonally, this also requires the X11 window actor to schedule
timeouts for _NET_WM_FRAME_DRAWN/_NET_WM_FRAME_TIMINGS event emitting,
if the actor wasn't on any stage views, as now we'll only get the frame
callbacks on actors when they actually were painted, while in the past,
we'd invoke that vfunc when anything was painted.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/903
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/3

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
2020-07-02 19:36:51 +02:00
Jonas Ådahl
8cff3b84f7 wayland/compositor: Process frame callbacks on 'after-update'
Instead of going via MetaCompositor to know about when we updated
(confusingly named post-paint), use the new stage signal directly.

Note that this doesn't change the time frame callbacks are dispatched;
it's still not tied to actual painting even though it seemed so before
given the function names.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
2020-07-02 19:36:51 +02:00
Jonas Ådahl
4c0aa2afca wayland/xdg-shell: Don't use xdg_surface private to get window geometry
We already used the actual API in the same function, move that call a
bit higher up to and use the variable in more places.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1295
2020-06-26 07:47:41 +00:00
Jonas Ådahl
d6af59612c wayland/shell: Apply geometry after subsurface state application
The subsurface state may affect the geometry end result, e.g. when
window decoration enlarging the toplevel window are applied. If we don't
wait with calculating the window geometry, intersecting the set region
with the subsurface tree extents will not include the subsurfaces.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/928

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1295
2020-06-26 07:47:40 +00:00
Jonas Ådahl
be59b514ca wayland: Remove a couple of stray newlines
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1295
2020-06-26 07:47:40 +00:00
Carlos Garnacho
79050004b0 wayland: Avoid popup grab focus changes if there's an implicit grab
Event delivery with grabbing popups stay essentially the same within
the grabbing client, we still must honor the implicit grab as long as
there is one.

This is however not the case, the popup_grab_focus() function ignores
the button state. The popup_grab_button() function will already indirectly
re-sync the focus surface after the last button is released, so checking
for button state in popup_grab_focus() is sufficient to make the implicit
grab honored with popup grabs involved.

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1275

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1270
2020-06-17 13:47:38 +00:00
Jonas Dreßler
7539de2320 clutter/input-device: Make clutter_input_device_get_actor() public
Make the clutter_input_device_get_actor() API public and remove
clutter_input_device_get_pointer_actor() in favour of the new function.

This allows also getting the "pointer" actor for a given touch sequence,
not only for real pointer input devices like mice.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1275
2020-06-16 10:09:26 +00:00
Sebastian Keller
51a8193c16 wayland/keyboard: Fix anonymous file leak on repeated keymap changes
keymap_rofile was being overwritten without the old one being free'd on
repeated calls of meta_wayland_keyboard_take_keymap().

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1304
2020-06-11 07:23:18 +00:00
Sebastian Keller
99c9f4c1fa wayland/data-device: Don't create and leak unused memory on dnd
"offer" is overwritten with the result of meta_wayland_data_offer_new a
few lines later.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1293
2020-06-08 12:11:11 +00:00
Sebastian Keller
dd32ff018a wayland: Free selection streams streams after transfer
They were only being closed but never freed.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1293
2020-06-08 12:11:11 +00:00
Jonas Ådahl
55302dbb38 cursor-renderer: Pass backend to constructor
Then use the backend passed instead of the global singleton.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1289
2020-06-05 21:39:27 +00:00
Jonas Ådahl
066bc5986d wayland: Drive frame callbacks from stage updates
Don't tie frame callbacks to actor painting, as it may end up in
situations where we miss sending frame callbacks when we should have. An
example of this is when a surface is partially off screen, and then
reports damage that is fully off screen. When this happen, we are likely
not to repaint anything, thus we won't send any frame callbacks even
though it's "suitable" for rendering again, as the surface is not on a
separate workspace or fully obscured.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/817
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1152

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1218
2020-05-26 16:46:57 +02:00
Jonas Ådahl
e8b09df8d2 wayland/compositor: Pass backend when constructing
This is so that it can be retrieved later without going via the global
singleton.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1218
2020-05-26 16:35:01 +02:00
Jonas Ådahl
1571f8078a Reshuffle Wayland initailization
Move Wayland support (i.e. the MetaWaylandCompositor object) made to be
part of the backend. This is due to the fact that it is needed by the
backend initialization, e.g. the Wayland EGLDisplay server support.

The backend is changed to be more involved in Wayland and clutter
initialization, so that the parts needed for clutter initialization
happens before clutter itself initialization happens, and the rest
happens after. This simplifies the setup a bit, as clutter and Wayland
init now happens as part of the backend initialization.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1218
2020-05-26 16:35:00 +02:00
Jonas Dreßler
c65f63b647 wayland/actor-surface: Don't notify geometry-changed on mapped changes
There's no reason to notify the surface that its geometry changed when
the visibility of the actor changes. This is only needed to update the
outputs of the surface, so do that directly instead.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1235
2020-05-26 14:54:57 +02:00
Jonas Dreßler
79d981aac9 wayland/actor-surface: Factor in mapped clones in mapped check
We started listening to notify::mapped with commit
5eb5f72434 in order to emit
wl_surface.leave events consistently when a surface gets hidden. This
caused a problem with the ClutterClones used in the overview, since
those temporarily map and unmap the windows for painting, spamming
wl_surface.leave and enter events to all surfaces.

We can easily fix that by also treating mapped clones as mapped, which
means the surface should also be on a wl_output when the overview is
shown.

Fixes https://gitlab.gnome.org/GNOME/mutter/-/issues/1141

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1235
2020-05-26 14:54:57 +02:00
Jonas Dreßler
e68bb27df2 wayland/actor-surface: Don't listen to notify::position signal
We started listening to "notify::position" on surface actors with commit
08e4cb54. This commit was done to fix a regression from commit cf1edff9,
which forgot to handle some cases like the actual WindowActor and not
the SurfaceActor (which is a child of the WindowActor) moving (that was
fixed by listening to MetaWindows "position-changed" signal). Also that
commit introduced meta_wayland_surface_update_outputs_recursively(),
which updates the outputs of all (sub-)surfaces in case any position
changed and made sure subsurfaces also get their outputs updated in case
the parent actor moved.

Connecting to the "notify::position" signal, which the above commit also
did is now superflous though because position changes will queue a
relayout and the actors allocation will change during the next
allocation cycle, notifying the "allocation" property which we also
listen to.

So save some resources and stop listening to that signal.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1235
2020-05-26 14:52:15 +02:00
Jonas Ådahl
7343b8d817 wayland/dma-buf: Make gbm_bo import function better named
It imports a DMA buffer as a gbm_bo, but only if it can be used to scan
it out, so name it import_scanout_gbm_bo().

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1261
2020-05-21 23:59:56 +00:00
Jonas Ådahl
dbf47b652e wayland/dma-buf: Handle failing to import scanout DMA buffer
A DMA buffer might not be able to scanout, and in that case the import
with GBM_BO_USE_SCANOUT will fail. Handle that by failing to scanout,
effectively falling back to compositing.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1261
2020-05-21 23:59:56 +00:00
Jonas Dreßler
bc0b9f7628 window: Use pid_t for get_client_pid() vfunc
It makes sense to use pid_t when getting the PID since that will work on
all platforms and architectures.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1180
2020-05-21 23:10:23 +00:00
Jonas Dreßler
dac09a8e23 window: Use client PID for meta_window_get_pid()
The shell uses the PID of windows to map them to apps or to find out
which window/app triggered a dialog. It currently fails to do that in
some situations on Wayland, because meta_window_get_pid() only returns a
valid PID for x11 clients.

So use the client PID instead of the X11-exclusive _NET_WM_PID property
to find out the PID of the process that started the window. We can do
that by simply renaming the already existing
meta_window_get_client_pid() API to meta_window_get_pid() and moving
the old API providing the _NET_WM_PID to meta_window_get_netwm_pid().

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1180
2020-05-21 23:10:23 +00:00
Robert Mader
3c068ef135 wayland/surface: Simplify state cleanup after merge
Instead of manually freeing things, use the existing helper function.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1232
2020-05-14 00:34:49 +02:00
Carlos Garnacho
2becb3dd29 wayland: Add support for wayland-protocols primary selection protocol
This protocol was added some time ago. Supporting it fell through the
cracks. Add new data device/source/offer implementations for it,
interoperation between primary selection protocols (and X11 primary
selection for that matter) comes for free.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/943

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1255
2020-05-13 18:27:46 +02:00
Carlos Garnacho
037b68ab8e wayland: Rename gtk primary protocol files to "legacy"
We want to make room for the wayland-protocols primary selection
protocol. Rename our private protocol as "legacy".

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1255
2020-05-13 18:18:14 +02:00
Carlos Garnacho
b45d5ef3f5 wayland: Send primary offer to all data devices from the same client
Make the data device track the keyboard focus, and use that list to
forward the primary selection to all data devices from the same
client.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1253
2020-05-13 14:44:55 +00:00
Carlos Garnacho
7e4e371466 wayland: Send clipboard offers to all data devices from the same client
Make the data device track the keyboard focus, and use that list to
forward the clipboard selection to all data devices from the same
client.

This is however not the case of DnD data offers, as the semantics
of multiple in-flight offers is unclear.

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1250

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1253
2020-05-13 14:44:55 +00:00
Jonas Dreßler
d9fb6b5ca2 wayland/surface: Connect to "output-destroyed" in surface_entered_output
Since we're now connecting to one more signal of MetaWaylandOutput, keep
signal connections in one place and move connecting the
"output-destroyed" signal to surface_entered_output() and disconnecting
it to surface_left_output().

This also allows us to use the "outputs_to_destroy_notify_id" as a
simple set and rename it to "outputs".

While at it, also use g_hash_table_destroy() instead of
g_hash_table_unref() since destroy is more clear than unref and does the
same thing in this case.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1230
2020-05-11 18:06:58 +00:00
Jonas Dreßler
696b534570 wayland/surface: Send enter event when a client binds to wl_output late
When hotplugging a new monitor, we recreate all the MetaWaylandOutputs
and need to emit leave events to the surfaces for the old wl_outputs and
enter events for the newly created ones.

There's a race condition though: We might update the monitors a surface
is on (and thus emit enter/leave events for the wl_outputs) before the
Wayland client is registered with the new wl_output (ie. the
bind_output() callback of MetaWaylandOutput was called), which means we
don't send an enter event to the client in surface_entered_output().
Since MetaWaylandSurface now has the MetaWaylandOutput in its outputs
hashtable, it thinks the client has been notified and won't send any
more enter events.

To fix that, make MetaWaylandOutput emit a new signal "output-bound"
when a client bound to the output and make all surfaces which are on
that output listen to the signal. In the signal handler compare the
newly added client to the client the surface belongs to, and if it's the
same one, send an enter event to that client.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1230
2020-05-11 18:06:58 +00:00
Jonas Dreßler
38db4a5a65 wayland/wl-output: Emit "output-destroyed" signal earlier
The "output-destroyed" signal is used for notifying MetaWaylandSurfaces
that an output they are shown just got invalid (for example because a
monitor hotplug happened).

While we delay the destroying of outputs by 10 seconds since commit
1923db97 because of a race-condition, it doesn't make sense to wait 10
seconds until we let surfaces know that an output was destroyed.

So move the emission of the "output-destroyed" signal to
make_output_inert(), which is called before we start the 10 seconds
delay.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1230
2020-05-11 18:06:58 +00:00
Olivier Fourdan
5d58156134 wayland/keyboard: Chain finalize up to the parent class
Finalize the parent class of the Wayland keyboard object.

Suggested-by: Marco Trevisan (Treviño) <mail@3v1n0.net>
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1238
2020-05-07 10:27:32 +00:00
Jonas Dreßler
988da215c8 wayland/keyboard: Use MetaAnonymousFile to share keymap files
Since protocol version 7 clients must use MAP_PRIVATE to map the keymap
fd, that means we can use memfd_create() to create the fd by using
meta_anonymous_file_open_fd() with META_ANONYMOUS_FILE_MAPMODE_PRIVATE,
for older versions we use META_ANONYMOUS_FILE_MAPMODE_SHARED to be
compatibile with MAP_SHARED.

Pretty much all of this code was written for Weston by Sebastian Wick,
see https://gitlab.freedesktop.org/wayland/weston/merge_requests/240.

Co-authored-by: Sebastian Wick <sebastian@sebastianwick.net>

Fixes https://gitlab.gnome.org/GNOME/gnome-shell/issues/1734

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1012
2020-04-21 17:52:08 +02:00
Carlos Garnacho
b7366b5b53 wayland: Drop unused struct variable
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1193
2020-04-17 00:51:00 +02:00
Carlos Garnacho
5e8d8b9ade wayland: Move the primary data device manager to its own file
Instead of having everything clumped at MetaWaylandDataManager,
split the primary selection to its own struct. This manager is
handled separately from wl_data_device_manager and other selection
managers, so they would be able to interoperate between them, even.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1193
2020-04-17 00:50:57 +02:00
Carlos Garnacho
4726f3d5d3 wayland: Move primary data offers to their own file
Following the MetaWaylandDataOffer split.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1193
2020-04-17 00:46:23 +02:00
Carlos Garnacho
91ef7515de wayland: Move MetaWaylandDataOffer to its own file
This is still an openly defined struct, as we will need accessed
by "subclasses". Same principle applies than with the
MetaWaylandDataSource refactor, this is not meant to introduce
functional changes, so just go with it.

On the bright side, the interactions are now clearer, so it could
be made saner in the future.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1193
2020-04-17 00:46:23 +02:00
Carlos Garnacho
317f6c0910 wayland: Move MetaWaylandDataSourcePrimary to its own file
Following the MetaWaylandDataSource split, this goes next.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1193
2020-04-17 00:46:23 +02:00
Carlos Garnacho
6a3d521466 wayland: Split MetaWaylandDataSource into a separate file
The split wasn't 100% clean, and some extra private API had to be
added for it (but well, looking at the API, it's already evident
there's a cleanup/streamlining task due). This is meant to be a
refactor with no functional changes, so just go with it.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1193
2020-04-17 00:46:21 +02:00
Carlos Garnacho
1363246d44 wayland: Rely on MetaSelection::owner-changed for .selection event emission
We already have a signal callback that translates selection ownership changes to
data_device/primary .selection events. Given both will be run when a data source
is being replaced, and this event emission being deleted is kinda short sighted
in that in only knows about Wayland, rely entirely on MetaSelection::owner-changed
emission.

Fixes spurious .selection(null) events being sent when a compositor-local source
takes over the selection without the focus changing (eg. screenshot to clipboard).

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1160

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1204
2020-04-16 22:25:00 +00:00
Carlos Garnacho
0b6560fac4 wayland: Do not cancel old data source when setting new selection
This is taken care already by the MetaSelection machinery, by
deactivating the previous selection source when setting a new one.
That works across X11 and internal selection sources. This
only works when replacing one wayland source with another, and
actually results in doubly .cancelled events due to the other
paths.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1177

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1203
2020-04-16 19:27:51 +00:00
Carlos Garnacho
d4c3870286 wayland: Shuffle wl_data_source.cancelled version checks on DnD
We are meant to send a .cancelled event after the drop is performed
in certain situations, but only for version>3 clients. Since this is
all version 3 business, only set the drop_performed flag for v3
clients. This drops the need to perform version checks at the time
of cancelling (which is present for other usecases in v1).

Fixes emission of wl_data_source.cancelled for v1 clients.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1177

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1203
2020-04-16 19:27:51 +00:00
Jonas Ådahl
ff7a42b8bc wayland: Add API to acquire a CoglScanout from a surface
This will check whether the current backing buffer is compatible with
the primary plane of the passed CoglOnscreen. Since this will extend the
time before a buffer is released, the MetaWaylandBufferRef is swapped
and orphaned if a new buffer is committed before the previous one was
released. It'll eventually be released, usually by the next page flip
callback.

Currently implemented for EGLImage and DMA-BUF buffer types.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 15:05:52 +02:00
Jonas Ådahl
4b1805c306 wayland/dma-buf: Handle getting dma-buf from detached buffer handle
We might still have a MetaWaylandBuffer for a wl_buffer that was
destroyed. Handle trying to fetch the MetaWaylandDmaBufBuffer from such
a buffer gracefully.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 15:05:52 +02:00
Jonas Ådahl
03c00e4944 wayland/dma-buf: Minor style fix
Indentation was off.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 15:05:52 +02:00
Jonas Ådahl
cb05b16414 wayland/dma-buf: Don't advertise modifier support by default
Advertising support for modifiers means we will most likely not not be
able to scan out client buffers directly, meaning it just as likely that
we won't be able to scan out even fullscreen windows without atomic KMS.

When we have atomic support, we should advertise support for modifiers
if atomic is used to drive the CRTCs, as we by then can check whether we
can scan out directly, place in an overlay plane, etc.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 15:05:52 +02:00
Jonas Ådahl
f8ee974628 wayland/buffer-ref: Add helpers for use count tracking
https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 14:08:19 +02:00
Jonas Ådahl
f36120757f wayland: Make MetaWaylandBufferRef reference counted
So that we can have a more dynamic ownership.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 14:08:19 +02:00
Jonas Ådahl
47002bf0cd wayland/surface: Put buffer reference on heap
Currently a buffer use count always reaches zero before it is replaced.
This is due to the fact that at the point a new buffer is attached, the
last potential user releases it (the stage) since the currently
displayed frame has a composited copy of the buffer.

This may however change, if a buffer is scanned out directly, meaning it
should not be released until the page flip callback is invoked.

Prepare for this by making the buffer reference a heap allocated struct,
enabling us to keep a pointer to it longer than the buffer is attached.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
2020-04-16 10:43:34 +02:00
Olivier Fourdan
5b30a52bbd wayland: preserve xkb_state on VT switch
On VT switch, the devices are removed, which means for Wayland disabling
the keyboard.

When the keyboard is disabled, the associated `xkb_state` is freed and
recreated whenever the keyboard is re-enabled when switching back to the
compositor VT.

That means the `xkb_state` for Wayland is lost whereas the same for
clutter is kept, which causes to a discrepancy with locked modifiers on
VT switch.

To avoid that issue, preserve the XKB info only to dispose it when the
keyboard is eventually finalized.

Closes: https://gitlab.gnome.org/GNOME/mutter/issues/344
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1185
2020-04-08 13:16:25 +00:00
Carlos Garnacho
ba3417667f wayland/xdnd: Add error traps around Xdnd* IPC
Make all of them spew criticals, except for XdndLeave as it's feasible
to expect the window we are sending the event to did disappear in the
way (eg. if the window is destroyed while the DnD operation is ongoing
and the pointer is over the window).

Fixes: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2590

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1184
2020-04-07 18:08:03 +00:00
Robert Mader
dbe919ef92 wayland/surface: Check for surface role in meta_wayland_surface_get_window()
The function can get called without valid surface role, e.g. from
`zwp_xwayland_keyboard_grab_manager_grab()`.

Debugged by @piegamesde

Fixes https://gitlab.gnome.org/GNOME/mutter/-/issues/1147
2020-03-30 16:08:13 +02:00
Christian Rauch
2907ee93cc wayland/pointer-constraints: Fix typo
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1163
2020-03-29 19:48:33 +01:00
Carlos Garnacho
bb5ea0580f wayland: Translate delete-surrounding properly to protocols
IBusInputContext/ClutterInputFocus/GtkIMContext all go for offset+len
for their ::delete-surrounding signals, with offset being a signed int
(neg. to delete towards left of selection, pos. to delete towards right
of selection) and len being an unsigned int from the offset (and
presumably, skipping the current selection).

The text-input protocols however pass in this event two unsigned integers,
one being the length of text to delete towards the left of the selection,
and another the length of text to delete towards the right of the selection.

To translate properly these semantics, positive offsets shouldn't account
for before_length, and negative offset+len shouldn't account for after_length.
The offset/length approach may of course represent deletions that are
detached from the current cursor/selection, we simply delete the whole range
from the cursor/selection positions then.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/517
2020-03-29 11:37:27 +00:00
Takao Fujiwara
2cfdbbd730 clutter: Enable negative offsets in delete surrounding text
The input method can assign a negative value to
clutter_input_method_delete_surrounding() to move the cursor to the left.
But Wayland protocol accepts positive values in delete_surrounding() and
GTK converts the values to the negative ones in
text_input_delete_surrounding_text_apply().

https://gitlab.gnome.org/GNOME/mutter/issues/539
2020-03-29 11:37:27 +00:00
Jonas Ådahl
ac01e69a67 window-wayland: Don't use grab op for some other window when resizing
When resizing a window interactively, we'll set a grab operation and a
grab window, among other things. If we're resizing (including setting
initial size, i.e. mapping) another window, that didn't change position,
don't use the gravity of the grab operation when resizing our own
window.

This fixes an issue with jumpy popup position when moving a previously
mapped gtk popover.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/999
2020-03-26 17:44:09 +01:00
Jonas Ådahl
238e41d493 cogl: Install cogl-trace.h and include from cogl.h
This is so that cogl-trace.h can start using things from cogl-macros.h,
and so that it doesn't leak cogl-config.h into the world, while exposing
it to e.g. gnome-shell so that it can make use of it as well. There is
no practical reason why we shouldn't just include cogl-trace.h via
cogl.h as we do with everything else.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1059
2020-03-26 09:05:38 +01:00
Carlos Garnacho
8592a8591b wayland: Handle NULL preedit text
The preedit text may be NULL (eg. when unsetting it). This started
causing crashes since commit db9b60cc63, duh.

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1132
2020-03-24 16:07:44 +00:00
Carlos Garnacho
db9b60cc63 wayland: Represent preedit string cursor offset in bytes
Both IBus and ClutterInputFocus work in character offsets for the cursor
position in the preedit string. However the zwp_text_input protocol does
define the preedit string cursor offset to be in bytes.

Fixes client bugs in representing the caret within the preedit string,
as we were clearly giving the wrong offset.

Fixes: https://gitlab.gnome.org/GNOME/gtk/issues/2517

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1132
2020-03-17 22:15:52 +00:00
Jonas Ådahl
fa74da0039 wayland/window: Ignore state changes for popups
We send configure events for state changes e.g. for `appears-focused`,
etc. What we don't want to do is to do this for popup windows, as in
Wayland don't care about this state.

When the focus mode was configured to "sloppy focus" we'd get
`appears-focused` state changes for the popup window only by moving the
mouse cursor around, and while a popup may care about focus, it does not
care about related appearance, as there is no such state in xdg_popup.

What these state changes instead resulted in was absolute window
configuration events, intended for toplevel (xdg_toplevel) windows. In
the end this caused the popup to be positioned aginst at (0, 0) of the
parent window, as the assumptions when the configuration of the popup
was acknowledged is that it had received a relative position window
configuration.

Fix this by simply ignoring any state changes of the window if it is a
popup, meaning we won't send any configuration events intended for
toplevels for state changes. Currently we don't have any way to know
this other than checking whether it has a placement rule. Cleaning up
MetaWindow creation is left to be dealt with another day.

Fixes: https://gitlab.gnome.org/GNOME/mutter/issues/1103

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1122
2020-03-17 21:59:02 +00:00
Jonas Ådahl
512bb7d1cd wayland: Don't crash when trying to fullscreen on inert wl_output
There is a race where an output can be used as a fullscreen target, but
it has already been removed due to a hotplug. Handle this gracefully by
ignoring said output in such situations.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1120
2020-03-11 14:37:09 +00:00
Sebastian Keller
509e9ca5a0 xwayland: Fix mime type atom list leak on DnD with more than 3 types
Found using the clang static analyzer

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1117
2020-03-11 03:21:36 +01:00
Olivier Fourdan
0b102afb53 xwayland: Update regions on texture updates
For X11 clients running on Wayland, the actual texture is set by
Xwayland.

The shape, input and opaque regions, however are driven by X11
properties meaning that those may come at a different time than the
actual update of the content.

This results in black areas being visible at times on resize with
Xwayland clients.

To make sure we update all the regions at the same time the buffer is
updated, update the shape, input and opaque regions when the texture is
committed from when the Xwayland surface state is synchronized.

That fixes the remaining black areas being sometimes visible when
resizing client-side decorations windows on Xwayland.

Closes: https://gitlab.gnome.org/GNOME/mutter/issues/1007
https://gitlab.gnome.org/GNOME/mutter/merge_requests/1091
2020-03-10 14:52:26 +01:00
Jonas Ådahl
6cd0aa429f window: Force placement for first placement rule
If we don't force the placement, we enter the constrain machinery with
the position (0, 0), meaning we always get the "current work area" setup
to correspond to whatever logical monitor was at that position.

Avoid this by doing the same as "meta_window_force_placement()" and set
"window->calc_placement" to TRUE while move-resizing, causing the
move-resize to first calculate the initial position.

Fixes: https://gitlab.gnome.org/GNOME/mutter/issues/1098

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1110
2020-03-06 17:28:09 +01:00
Jonas Ådahl
f97804f4f4 wayland/xdg-shell: Add support for explicit popup repositioning
This commit completes the implementation of `xdg_wm_base` version 3,
which introduces support for synchronized implicit and explicit popup
repositioning.

Explicit repositioning works by the client providing a new
`xdg_positioner` object via a new request `xdg_popup.reposition`. If the
repositioning is done in combination with the parent itself being
reconfigured, the to be committed state of the parent is provided by the
client via the `xdg_positioner` object, using
`xdg_positioner.set__parent_configure`.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
5c37f5104e wayland/xdg-shell: Add support implicit popup moving
This sets the `is_reactive` flag on the window placement rules, causing
the popups to be reconfigured as they are affected by environmental
changes, such as the parent moving in a way making the popup partially
offscreen.

As with synchronization, the implementation is dormant, as the
version of the advertised global isn't bumped yet, as the new protocol
version is not yet fully implemented.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
d08a8de265 window: Implement asynchronous popup moving
This commits adds support on the MetaWindow and constraints engine side
for asynchronously repositioning a window with a placement rule, either
due to environmental changes (e.g. parent moved) or explicitly done so
via `meta_window_update_placement_rule()`.

This is so far unused, as placement rules where this functionality is
triggered are not yet constructed by the xdg-shell implementation, and
no users of `meta_window_update_placement_rule()` exists yet.

To summarize, it works by making it possible to produce placement rules
with the parent rectangle a window should be placed against, while
creating a pending configuration that is not applied until acknowledged
by the client using the xdg-shell configure/ack_configure mechanisms.

An "temporary" constrain result is added to deal with situations
where the client window *must* move immediately even though it has not yet
acknowledged a new configuration that was sent. This happens for example
when the parent window is moved, causing the popup window to change its
relative position e.g. because it ended up partially off-screen. In this
situation, the temporary position corresponds to the result of the
movement of the parent, while the pending (asynchronously configured)
position is the relative one given the new constraining result.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
6c82feb1b8 wayland/window-configuration: Track resize flags and gravity too
Will later be used to determine in what way a pending configuration will
resize.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
0dac91cffc Add MetaGravity and replace X11 equivalent with it
MetaGravity is an enum, where the values match the X11 macros used for
gravity, with the exception that `ForgetGravity` was renamed
`META_GRAVITY_NONE` to have less of a obscure name.

The motivation for this is to rely less on libX11 data types and macros
in generic code.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
ff381d1d52 constraints: Pass constrained relative coordinates to window impl
A placement rule placed window positions itself relative to its parent,
thus converting between relative coordinates to absolute coordinates,
then back to relative coordinates implies unwanted restrictions for
example when the absolute coordinate should not be calculated againts
the current parent window position.

Deal with this by keeping track of the relative position all the way
from the constraining engine to the move-resize window implementation.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
05e9d6ab9e window: Put placement related fields in a anynomous struct
To organize things a bit better, put the fields related to the placement
rule state in its own anonymous struct inside MetaWindow. While at it,
rename the somewhat oddly named variable that in practice means the
current relative window position.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
d22f947bf5 wayland/window: Pass popup configuration using relative coordinates
After popup placement rules have gone through the constraints engine has
ended up resulting in an actual move, pass the window configuration down
the path using relative coordinates, as that is what the next layer
(xdg-shell implementation) actually cares about.

In the future, this will also be helpful when the configured position is
not against the current state of the parent.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Jonas Ådahl
7f9fac2ba2 window/wayland: Don't inhibit finishing moves if any window is resized
meta_window_wayland_finish_move_resize() inhibited window moves to be
finished if there was a resize grab active at the time, in order to
handle window resizing. Change this to only affect the grabbed window
itself, so that e.g. a popup can be positioned according to a pending
configuration while there is an active resize grab.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
2020-02-29 21:01:50 +00:00
Carlos Garnacho
e3149e6021 wayland: Pass private X connection on GNOME_SETUP_DISPLAY
This envvar will be picked up by the services spawned together with Xwayland
startup, and used instead of the regular DISPLAY meant for regular clients.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/945
2020-02-29 20:41:26 +00:00
Carlos Garnacho
166a464515 wayland: Set up initialization X11 socket
This is used by GDK and the X11 bits, but may also be used for
other initialization services we might need to run along with
Xwayland initialization.

However, as the -initfd argument in Xwayland is a fairly new
feature, add some meson build-time checks so that the feature
is handled transparently while allowing to explicitly set/unset
it.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/945
2020-02-29 20:41:26 +00:00
Robert Mader
0ada90024f wayland/actor-surface: Check for MetaXwaylandSurface instead of window type
The previous check would not ignore subsurfaces. Use the chance to directly
check for the surface role instead - it's much cleaner.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1082
2020-02-29 19:44:01 +00:00
Carlos Garnacho
25c9e66c73 xwayland: Do not block on Xwayland initialization
We artificially made Xwayland initialization synchronous, as we used
to rely on MetaX11Display and other bits during meta_display_open().
With support for Xwayland on demand and --no-x11, this is certainly
not the case.

So drop the main loop surrounding Xwayland initialization, and turn
it into an async operation called from meta_display_init_x11(). This
function is turned then into the high-level entry point that will
get you from no X server to having a MetaX11Display.

The role of meta_init() in Xwayland initialization is thus reduced
to setting up the sockets. Notably no processes are spawned from here,
deferring that till there is a MetaDisplay to poke.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/944
2020-02-28 20:20:35 +00:00
Carlos Garnacho
649911b6b3 core: Make meta_display_init_x11() an async function
This ATM completes the task right away, but we will want to do
further things here that are asynchronous in nature, so prepare
for this operation being async.

Since the X11 backend doesn't really need this, make it go on
the fast lane and open the MetaX11Display right away, the case
of mandatory Xwayland on a wayland session is now handled
separately.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/944
2020-02-28 20:20:35 +00:00
Jonas Dreßler
ad8ba69423 wayland/pointer: Use g_signal_connect_swapped for one signal
Remove the rather useless callback function that's currently used for
handling the "visibility-changed" signal and instead connect to the
signal using `g_signal_connect_swapped()`.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1077
2020-02-24 09:52:06 +00:00
Jonas Dreßler
bf24b816c2 wayland/pointer: Add support for the new ClutterSeat inhibit-unfocus API
The last commit added a new API to ClutterSeat to inhibit setting the
focus-surface of the MetaWaylandPointer to NULL, let's do that.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1077
2020-02-24 09:52:06 +00:00
Olivier Fourdan
f9326cfa3d wayland/data-device: Fix crash with offer from X11 client
If a data offer comes from an X11 client, the Wayland resource would be
NULL, causing a crash in `data_offer_choose_action()` trying to get the
resource version.

So instead of doing the version check in `data_offer_choose_action()`,
do it early when creating the data source.

Closes: https://gitlab.gnome.org/GNOME/mutter/issues/1057
https://gitlab.gnome.org/GNOME/mutter/merge_requests/1073
2020-02-23 16:36:16 +00:00
Olivier Fourdan
963108a9a6 wayland/data-device: Check resource version on cancel
For clarity, check the resource version needs the "cancelled" message in
the actual vmethod rather than from the caller function.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1073
2020-02-23 16:36:15 +00:00
Olivier Fourdan
b8355a6686 xwayland: Not all xwayland surface have a window
`meta_xwayland_surface_get_relative_coordinates()` may cause a crash if
the Xwayland surface has no window associated.

That can be observed when using drag and drop from an X11 window to a
Wayland native window:

```
    at src/core/window.c:4503
    at src/wayland/meta-xwayland-surface.c:200
    at src/wayland/meta-wayland-surface.c:1517
    at src/wayland/meta-wayland-pointer.c:1048
    at src/wayland/meta-wayland-pointer.c:840
    at src/wayland/meta-wayland-pointer.c:865
    at src/wayland/meta-wayland-pointer.c:954
    at src/wayland/meta-wayland-pointer.c:456
    at src/wayland/meta-wayland-pointer.c:993
    at src/wayland/meta-wayland-data-device.c:1004
    at src/wayland/meta-wayland-data-device.c:1278
    at src/wayland/meta-xwayland-dnd.c:326
```

Check if the xwayland surface has an associated MetaWindow prior to get
its buffer rect.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1073
2020-02-23 16:36:15 +00:00
Jonas Ådahl
44ae38599f wayland: Move MetaWindow ownership to window owning roles
There are two surface roles owning a MetaWindow: MetaWaylandShellSurface
(basis of MetaWaylandXdgToplevel, MetaWaylandXdgPopup,
MetaWaylandWlShellSurface, etc), and MetaXwaylandSurface.

With these two role types, the MetaWindow has two different types of
life times. With MetaWaylandShellSurface, the window is owned and
managed by the role itself, while with MetaXwaylandSurface, the
MetaWindow is tied to the X11 window, while the Wayland surface and its
role plays more the role of the backing rendering surface.

Before, for historical reasons, MetaWindow was part of
MetaWaylandSurface, even though just some roles used it, and before
'wayland: Untie MetaWindowXwayland lifetime from the wl_surface' had
equivalent life times as well. But since that commit, the management
changed. To not have the same fied in MetaWaylandSurface being managed
in such drastically different ways, rearrange it so that the roles that
has a MetaWindow themself manages it in the way it is meant to; meaning
MetaWaylandShellSurface practically owns it, while with Xwayland, the
existance of a MetaWindow is tracked via X11.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Jonas Ådahl
df642eb150 wayland: Move calc-showing window logic to roles having windows
https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Jonas Ådahl
722ae2b77a wayland/surface: Let roles set DND functions
The DND functions are role specific, with Xwayland surface being the
special one. Let the roles set it instead of having per role like logic
in MetaWaylandSurface.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Jonas Ådahl
54194e67e3 wayland/surface: Move relative coordinate calculating to roles
The role determines how a relative coordinate is calculated. More
specifically, using clutters API to transform coordinates is only
accurate right after a clutter layout pass but this function is used
e.g. to deliver pointer motion events which can happen at any time. This
isn't a problem for Wayland clients since they don't control their
position, but X clients do and we'd be sending outdated coordinates if a
client is moving a window in response to motion events.

This was already done already, but now move the Xwayland specific logic
to the Xwayland surface role, keeping the generic transformation logic
in the generic actor surface role.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Jonas Ådahl
c0c74484bc wayland: Don't access MetaWaylandSurface::window directly
It'll be moved to the role owning it, accessed via a helper function
implemented by the role. Currently it still just fetches the field in
MetaWaylandSurface.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Jonas Ådahl
5149e1e43a wayland: Move tree updating to the shell surface role
The shell surface role is the one where subsurfaces may exist, and it
has direct relation to the MetaWindowActorWayland which currently has
the subsurface stacking logic.

Instead of directly finding the window actor when dealing with
subsurfaces, notify the parent surface that the subsurface state
changed, so that it can outsource the application of this information to
the role. For subsurface roles, this simply means forward upward to the
parent; for shell surface roles, this means regenerate the surface actor
layering.

This allows us to move away from accessing the window directly from the
surface, which in turn allows us to change the ownership structure of
windows.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Jonas Ådahl
f21595687f xwayland: Move out surface role related logic
Does some needed naming cleanup while at it, to be more similar to other
role types.

In short, MetaWaylandSurfaceRoleXwayland was changed to
MetaXwaylandSurface.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
2020-02-19 22:34:28 +00:00
Robert Mader
1981449776 wayland/actor-surface: Do not set opaque region for XWayland clients
XWayland clients get their opaque region set from their window, not the
surface. Doing both resulted in the surface constantly overwriting the
opaque region - effectively disabling culling of XWayland clients.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1049
2020-02-12 01:52:38 +01:00