Summary:
On client side the newer wl_pointer_release is used which is a
destructor call. On server side the shared destroy callback is used
and it's ensured that KWayland doesn't crash if called into the
PointerInterface between unbound and destroyed.
Test Plan:
Test case extended to cover the condition of an unbound
PointerInterface.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D2037
Summary:
On client side the newer wl_keyboard_release is used which is a
destructor call. On server side the shared destroy callback is used
and it's ensured that KWayland doesn't crash if called into the
KeyboardInterface between unbound and destroyed.
Test Plan:
Test case extended to cover the condition of an unbound
KeyboardInterface.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D2036
Summary:
On client side use wl_touch_release to get into the proper destroy
handler on server side. There the shared destroy implementation is
used.
The test case is extended to verify the condition and ensure that
our code doesn't crash in case SeatInterface calls into the already
unbound TouchInterface.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D2035
Summary:
So far SeatInterface handled automatically which DataDeviceInterface
holds the current clipboard selection. While this works fine and is
correct it doesn't support use cases like a clipboard manager where
the clipboard is hold by a different ClientConnection than the one
from the focused keyboard.
This change allows to manually set the selected DataDeviceInterface
to override the automatic selection, though the automatic selection
is still in place. Thus the next update of a selection will override
the manually set selection again.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1972
Summary:
A Resource might be unbound, but not yet destroyed. In that case this
return a Resource instead of nullptr.
This change adds an explicit nullptr check.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1938
Summary:
Creates a PlasmaShellSurface and allows to set the different roles
through command line argument.
Needed to verify that KWin properly handles the notification type.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1932
Summary:
Plasma needs to be able to mark windows as Notifications, so that KWin
can put them into the right layer.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1928
Summary:
The QtExtendedSurfaceInterface might be unbound and thus the resource
might be null when calling into close. Thus we need to do a nullptr
check.
Hit a crash there.
Test Plan:
Unfortunately no test case as we don't have a client side
implementation for this.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1961
Summary:
This is a gotcha moment:
1. Create Surface with id 1
2. destroy that Surface
3. Create another Surface
Now if in step 3 the id is by pure chance getting reused and also 1, the
wl_resource pointer of the SurfaceInterface of step 1 and step 3 are
the same. This is rather unexpected and causes problems.
When creating a ShellSurface in step 1 and step 3 it would fail. KWayland
finds a ShellSurface which was already created for the Surface. The same
can happen with QtSurfaceExtensionInterface and PlasmaShellInterface which
also go into error state.
On client side this would trigger a protocol error and terminate the
application. An easy way to reproduce is opening the file open dialog
from within Kate multiple times.
This change addresses this problem by setting the surface pointer in
those classes to null when the parent Surface gets destroyed. Thus
creating a new ShellSurface won't find the old referenced Surface any
more.
For ShellSurface and PlasmaShellSurface a test case is added which hit
the condition without this change. For QtSurfaceExtension we don't have
the client side, so we cannot really simulate the condition.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1937
Summary:
So far for internal cleanup we mostly listen to QObject::destroyed.
When a Resource gets unbind the wl_resource is set to null and the
Resource gets deleteLater. This creates a short time frame when the
Resource is still there, but the wl_resource is null. For most internal
usages the Resource is completely useless at that point and should no
longer be considered. So far it was still considered and could hit
crashers, if a code path did not nullptr check. Unfortunately
libwayland-server is not nullptr safe: if called with a null value it
tends to crash.
So this check introduces a new signal unbound which can be listend to
in addition to the destroyed signal. It's used in SeatInterface for
DataDeviceInterface, where we experienced a crash related to that.
A test case is added which exposes the crash, but it already needs
the unbound signal to get into the crashy condition. The actual crash
is fixed twice - with the help of the unbound signal, but also by
introducing the nullptr check where it's needed.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Tags: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1868
Summary:
The fact that the buffer is still referenced - that is used - when the
BufferInterface gets destroyed is an error, but it is not fatal.
Unfortunately KWin/Wayland is still hitting this assert from time to
time and the assert is not helping to find the cause as a backtrace
does not show where a reference is still hold.
This change removes the hard assert by a soft warning. The advantage
of the warning is that the compositor is not killed and that we can
observe the reason and find a usage pattern which triggers the condition.
With that we will hopefully be able to find the case where the buffer
is still referenced when being destroyed and fix that.
Reviewers: #plasma_on_wayland
Differential Revision: https://phabricator.kde.org/D1783
Summary:
This improves the cleanup of a shadow from client side. The server now
notices when the client destroyed the shadow.
Reviewers: #plasma_on_wayland
Subscribers: plasma-devel
Differential Revision: https://phabricator.kde.org/D1789
Sometimes the test is failing due to a wait on the signalspy not
working and then the cleanup triggers a heap-use-after-free.
This change tries to address the problem by using a QTRY_COMPARE
instead of a wait on signalspy.
If a PlasmaShellSurface got already created for a Surface, the
PlasmaShell::createSurface should return that one. This change justs
adds a check to an autotest to verify this condition.
Summary:
The event is sent to the client once all initial state is transmitted.
This means the client is able to see the PlasmaWindow completely created
and not in the intermediate state with further updates being pushed after
being created.
The client side API is adjusted to emit the windowCreated signal after
the initial state event is received. In addition if the window is already
unmapped, the signal will never be emitted which means the not valid
windows are not exposed to the client at all.
The tests are adjusted to reflect the new reality, which in most cases
just means removing the comment that this needs to be improved.
There is one kind of unrelated change included: when an empty icon is
set, the client side now creates a QIcon() instead of going through
QIcon::fromTheme. This wrong behavior was exposed now by the auto tests.
Reviewers: #plasma, hein
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1773
Summary:
If the surface passed in the transient request is to the surface of the
shell surface, KWin aborts. It's an obvious invalid request, so handle
it properly by sending an error.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1755
Summary:
So far ConnectionThread dispatched events without checking for (protocol)
errors. But Wayland errors are considered fatal. We do need to consider
them.
This change introduces a way to detect errors and expose them in
ConnectionThread. Errors are handled gracefully, they are exposed, but
not considered application fatal. E.g. a new ConnectionThread could be
created afterwards.
This allows to add tests to verify error conditions.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1753
Summary:
The idea of shipping a test server is to have something like Xvfb for
Wayland. To be able to run a test application with a fake Wayland server.
To make this super easy the test server binary is installed into libexec
directory and provides a cmake function to run a test application with
the test server.
The test server takes full control over the process. It's a guiless
application and starts the passed test application once it is fully
set up. The environment is setup to have the test application connect
to the fake server (WAYLAND_SOCKET env variable and QT_QPA_PLATFORM).
When the started application finishes the test server goes down and
exits with the exit value of the test application. This allows a good
integration with ctest.
The test server is a virtual server which supports the following
interfaces:
* Shm
* Compositor
* Shell
* Seat
* DataDeviceManager
* Idle
* SubCompositor
* Output (1280x1024 at 60 Hz with 96 dpi)
* FakeInput
This is sufficient to bring up a QtWayland based application and
allows some basic interactions from a test application (e.g. fake
input).
So far the server fakes a repaint every 16 msec, but does not yet
pass events to the test applications.
To integrate this into an application for testing use:
find_package(KF5Wayland CONFIG)
add_executable(myTest myTest.cpp)
target_link_libraries(myTest Qt5::Gui Qt5::Test)
kwaylandtest(myTest)
When now running ctest in the build directory the test server gets
started and will start the myTest binary and report the passed/failed
in the expected and normal way.
This way a test case can easily be run against both X11 and Wayland.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1726
Changelog: Virtual framebuffer server for auto tests
Summary:
So far we directly destroyed the resource on the server side. But this
causes a wayland error when the client tries to cleanup. This results in
the client being destroyed. A problem which brings down plasmashell
regularly when short living windows are shown. This happens e.g. in
Dolphin with the adress auto complete.
This change addresses the problem by creating a temporary
PlasmaWindowInterface for the already unmapped window. It doesn't get
added to the list of known windows and it's only purpose is to properly
handle the unmap and the destroy of the just created resource.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1734
Summary:
Destroying the SlideInterface on the server side before the client has a
chance to cleanup results in a protocol error:
wl_display@1: error 0: invalid object 7
Which would terminate the client. If we would not destroy the resource,
but only delete the SlideInterface it could result in heap-use-after-free.
So just don't do anything, the client needs to cleanup which will result
in the SlideInterface being deleted.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1714
Summary:
The destructor was not properly implement. Let's use the generic one
from Resource.
Test case is adjusted to verify that the SlideInterface gets cleaned up.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1713
Summary:
Unlike the other cases this one is not as dangerous as the shadow
protocol doesn't have a destructor request (yet).
Once that is added the problem would be the same: destroying the
ShadowInterface when the parent SurfaceInterface gets destroyed would
result in a protocol error on client side.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1711
Summary:
Destroying the ServerSideDecorationInterface on the server side before
the client has a chance to cleanup results in a protocol error:
wl_display@1: error 0: invalid object 7
Which would terminate the client. If we would not destroy the resource,
but only delete the ServerSideDecorationInterface it could result in
heap-use-after-free.
So just don't do anything, the client needs to cleanup which will result
in the ServerSideDecorationInterface being deleted.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1710
Summary:
Destroying the ContrastInterface on the server side before the client has
a chance to cleanup results in a protocol error:
wl_display@1: error 0: invalid object 7
Which would terminate the client. If we would not destroy the resource,
but only delete the ContrastInterface it could result in
heap-use-after-free.
So just don't do anything, the client needs to cleanup which will result
in the ContrastInterface being deleted.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1709
Summary:
Destroying the BlurInterface on the server side before the client has a
chance to cleanup results in a protocol error:
wl_display@1: error 0: invalid object 7
Which would terminate the client. If we would not destroy the resource,
but only delete the BlurInterface it could result in heap-use-after-free.
So just don't do anything, the client needs to cleanup which will result
in the BlurInterface being deleted.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1708
We saw it fail on build.kde.org a few times and it looks like a
entered spy gets triggered timing dependent (no surprise it's on
client side). So better check whether the entered spy got delivered
already and if not wait for the event.
Summary:
This change standardizes the behavior regarding the destructor request.
The destructor should destroy the resource and nothing else. The
Wayland library invokes the static unbind method once the resource is
destroyed. The implementation provided by Resource::Private::unbind
triggers a delete later on the Resource. So there is no need to trigger
a deleteLater from the destructor request callback.
This change adds a generic implementation to Resource::Private which is
now used by all inheriting classes replacing the custom implementations.
Test Plan:
For a few Resources the test is extended to ensure that the Resource
gets deleted on server side.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1679
Summary:
Not needed as the dtor of the Resource ensures that the wl_resource
gets destroyed.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1680
The text input change creates an additional serial, so the check
for last generated serial on the Display fails. The test is now
adjusted to the new semantics. A more reliable way would be to
verify the serial on the SeatInterface, though.
Summary:
This change introduces support for text input. Text input allows to
compose text on the server (e.g. through a virtual keyboard) and sent
the composed text to the client.
There are multiple interfaces for text input. QtWayland 5.6 uses
wl_text_input, QtWayland 5.7 uses zwp_text_input_v2.
wl_text_input is from pre Wayland-Protocols times and considered as
UnstableV0 in this implementation. The other interface is UnstableV2.
Unfortunately the V2 variant is not yet part of Wayland-Protocols, but
used in Qt.
The implementation hides the different interfaces as good as possible.
The general idea is the same, the differences are rather minor.
This means changes to how interfaces are wrapped normally. On client
side in the Registry a manager is factored which represent either of
the two interfaces. Similar on the server side Display's factory method
takes an argument to decide which interface should be factored. This
way a user of the library can expose both interfaces and thus be
compatible with Qt 5.6 and Qt 5.7 onwards.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1631
Summary:
When destroying a SurfaceInterface all callbacks are getting destroyed.
This used to iterate over the callbacks and performing
wl_resource_destroy on them. This triggered the destroy handler which
removes the resource from the callback list. Which means removing from
the list we are iterating on. This could result in a double delete or
accessing invalid memory.
This change copies all callbacks to a temporary list and clears the
normal lists. So the destroy handler does no longer modify the lists
currently being iterated on.
Test Plan: Added a test case which crashed with previous code
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1677
The ShellSurface might have the resource destroyed, before being deleted,
so there is a short time frame where resource might be null.
Crash was caught by KWin.
Reviewed-By: sebas and notmart
A downstream KWin test shows a possible heap-use-after-free if we
access the wl_client pointer. Basically we get the client disconnected
just before the focused surface gets unbind. Thus for a short moment
the ClientConnection pointer is gone. This needs to be extended with
a test case, but for the moment it should be good enough to get KWin
green again.
Summary:
So far the server component performed manual cleanup in some cases
when a client disconnects. But this is not needed: the Wayland library
calls the static unbind methods which do cleanup. If we cleanup ourselves
this can result in double deletes in the worst case, so let's only use
the Wayland functionality.
Adjusted:
* RegionInterface
* SurfaceInterface
* ShellSurfaceInterface (doesn't take a parent anymore)
* DpmsInterface
* QtSurfaceExtensionInterface
* KeyboardInterface
* PointerInterface
* TouchInterface
* DataOfferInterface
* PlasmaShellSurfaceInterface
For each adjusted case a test case is added to verify that the cleanup
works. Exceptions are DpmsInterface as the actual Resource is not exposed
at all in the Server component and DataOfferInterface as that is server
side created.
Reviewers: #plasma
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1640
From time to time the test is failing on build.kde.org with an ASAN
heap-use-after-free error. From my investigation this seems to be caused
by the OutputDevice being constructed on the stack and being destroyed
while handling Wayland events, but before all are handled.
The test mostly operates on the changed signal. There is also a done
signal emitted later on. Wayland sends the done after a set of changes
is transmitted. Thus the test is adjusted to wait for done instead of
changed. So we can ensure that all events are handled before the object
gets destroyed.
I have never been able to reproduce the problem locally, so I cannot
guarantee that the issue is solved for good. If it still happens more
investigation will be needed.
Summary:
When the model gets destroyed the lambda connections were still invoked
and could cause crashers.
Test Plan: Test case added and each one verified that it crashed
Reviewers: #plasma, hein
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1624
Summary:
There is a possibility that a PlasmaWindow is unmapped when the
PlasmaWindowModel gets created. In this situation the unmapped
PlasmaWindow will be deleted in the next event cycle. So far
PlasmaWindowModel didn't handle this situation and the model might
hold deleted objects due to this.
This change addresses this potential problem and ensures the model
gets updated when a PlasmaWindow is deleted.
Test Plan: Test case which exposes the problem is added
Reviewers: #plasma, hein
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1622
Summary:
So far when the active PlasmaWindow got unmapped or destroyed, the
PlasmaWindowManagement didn't update the activeWindow. This means it
could expose a deleted object through it's API which could result in
a crash.
This change addresses the problem by updating the active window when
a window gets unmapped or destroyed.
Test Plan: Tests added which exposed the problem
Reviewers: #plasma, hein
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D1621
Summary:
The protocol is extended by a dedicated destructor request. When a
PlasmaWindow is umapped we no longer destroy the resource directly,
but only send the unmap. The client is then supposed to clean up
(which it already did in that case) and will invoke the destructor.
The PlasmaWindowInterface object will be automatically deleted after
the unmap once all resources bound for it are destroyed.
The tests are extended by two new test cases which triggered protocol
errors on the client side prior to this change.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1594
Summary: To use pid_t one should include sys/types.h -- else the build fails on FreeBSD.
Reviewers: graesslin
Reviewed By: graesslin
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1579
Coverity complains (in CID 1335150) about `Generator::parseInterface()`
since the default copy-ctor for `Interface` will end up copying
uninitialized memory (the unset `m_factory` member). Fixed by
initializing the m_factory.
REVIEW:127836
Summary:
Exposes closable state in the window model and adds tests. This was
included in the protocol and interface, but missing from the model.
Test Plan: Autotest extended.
Reviewers: graesslin
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1435
Summary:
Analogous to NET::ActionChangeDesktop.
KWindowInfo::actionSupported(NET::ActionChangeDesktop) is hardcoded
to return true in kwin, but that's not how it should be; as this will
be fixed later the Wayland protocol needs this state bit as well for
parity.
Test Plan: PlasmaWindowModel test is extended.
Reviewers: graesslin
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1448
Summary:
Adds states and request methods to determine whether a window can be put into
move or resize modes, and request move and resize modes, respectively.
request* naming pre-discussed with Martin. I chose to add *Mode to be more
explicit as well as avoid namespace conflicts with possible other Move/Resize
methods in the future.
Since these are not toggleable states, there is no requestToggle* methods.
Protocol version is not bumped (also pre-discussed with Martin) since we have
pending changes already bumping to 3.
Depends on D1417.
Test Plan: PlasmaWindowModel test extended.
Reviewers: graesslin
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1432
Summary:
This adds support for 'shadable' and 'shaded' states to the protocol and
to the client and server classes, as well as the window model.
Test Plan: The PlasmaWindowModel test has been extended to test the new states.
Reviewers: graesslin
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1417
Summary:
Surface/SubSurface and Shadow handle the case that an attached buffer
gets destroyed by the client. So far we didn't have this code covered,
but it's rather important as incorrect reference counting can hit
asserts.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1403
Summary:
KWayland does not have a client implementation of the QtSurfaceExtension
protocol. Thus the test is different: it starts a helper binary which
creates a QWindow. The test closes that one which should terminate the
started applications.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1388
Summary:
Basic functionality is covered. Changing of shadow elements not covered,
there seems to be lacking server API for that - no change signal.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1398
Summary:
Now also tests:
* requesting mode from client side
* update supported change on server side
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1357
If the focused pointer and keyboard surface is the same we use pointer
clicks as a hint to which child surface should have keyboard focus.
Keyboard focus handling for sub surfaces is rather limited overall.
We just don't have a good model on how to determine which child surface
should get the keyboard focus. When passing focus to a surface there
is no way to know which of the sub-surfaces should get the focus.
Ideally the client should handle this, but that's just not the case.
The best we have is a reference through the pointer. But that's of
course also limited. Keyboard focus passed to the surface for another
reason (Alt+Tab) cannot select the proper sub-surface without interaction
from another input device.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1330
Summary:
The idea behind this change is to make the existance of sub-surfaces
an implementation detail for pointer events. The user of the library
does not need to care about on which sub-surface the pointer is on.
It only needs to care about the main surface and passes the focus to
the main surface.
Internally the PointerInterface takes care of sending the enter to
the sub-surface at the current pointer position. Also whenever the
pointer position changes, the PointerInterface evaluates whether it
triggered a change for the focused sub-surface and sends enter/leave
events accordingly. If the focused sub-surface does not change, it
sends motion events as normally, but of course under consideration
of the sub-surface position.
Overall this means that from pointer usage perspective a user of the
library doesn't need to care about the fact that there are sub-surfaces
at all. The library does the correct thing for it.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1329
Summary:
The new method returns the (child) surface at a given surface position
taking care of stacking order, whether surfaces are mapped, etc.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1319
Summary:
This change introduces a damage tracking feature in SurfaceInterface.
So far the SurfaceInterface only exposes the damage compared to the
last attached buffer. But this is not always usefull for the user of
the library. E.g. if:
* server renders
* client damages buffer and commits
* client damages buffer and commits
* server wants render
In this situation the last damage information is not helpful to the
user of the library. It would need the combined damage information over
all attached buffers.
The new API combines the damage of the two commits in the example above.
The user of the library can then call resetTrackedDamage once it
processed the current damage (e.g. by updating the OpenGL texture).
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1281
Summary:
QtWayland doesn't map the parent sub-surfaces in a sub-surface tree.
According to the spec this would mean also the child sub-surface is not
mapped. But being strict according to the spec will make applications
like SystemSettings fail badly. Embedded child windows will not be
rendered and QtWayland is going to hard freeze. This is not acceptable,
thus we need to workaround this QtWayland bug till it's fixed.
It's worth mentioning that Weston as the reference compositor also
doesn't handle this situation according to spec and renders the
sub-surface. See https://bugs.freedesktop.org/show_bug.cgi?id=94735
The difficult part for the workaround is to determine whether a surface
should be considered unmapped. E.g. when the parent gets unmapped we need
to really unmap it. But what's the difference between an unmapped parent
surface which should be considered mapped and an unmapped parent surface
which should be considered unmapped?
The implementation goes with considering a new sub-surface always as
mapped - independently of whether it ever got a buffer attached. As soon
as it had a buffer attached and it gets unmapped again, it will go back
to a standard conform way.
The behavior now is not standard conform, thus the autotest is adjusted
to have QEXPECT_FAIL for the now no longer standard conform areas.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1250
Summary:
If a Surface doesn't have a buffer attached and a null buffer gets
attached the buffer state doesn't really change. Thus neither the
unmapped signal nor the damaged signal should not be emitted.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1261
Summary:
New test case which verifies the behavior when a surface is considered
mapped or unmapped in a sub-surface tree.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1248
Summary:
In a SubSurface tree a Surface is only considered mapped if the Surface
has a buffer applied and the parent Surface is mapped.
The added method implements this check. It's useful for the compositor
to easily check this condition as it allows to easily figure out whether
a SubSurface needs to be rendered and it's also useful for implementing
the input handling as a not mapped sub-surface should not get any input
events.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1247
Summary:
This is a workaround for https://bugreports.qt.io/browse/QTBUG-52118
It should take effect whenever the parent surface's state is applied,
but QtWayland never commits the parent surface. Thus the position is
always wrong.
Having a workaround for that in our server code is not good, but better
than completely broken applications such as Systemsettings.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1212
Summary:
From spec:
If the wl_surface associated with the wl_subsurface is destroyed,
the wl_subsurface object becomes inert. Note, that destroying either
object takes effect immediately.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1211
Summary: Fixes errors in API of methods which should be const not being const.
Reviewers: #plasma
Subscribers: plasma-devel
Projects: #plasma
Differential Revision: https://phabricator.kde.org/D1214
