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The current implementation of the XdgSurface v6 protocol does not check
if the window changed before calling meta_window_wayland_move_resize().
The problem with this approach is that calling this function is a costly
operation since we enter the compositor side. In GNOME Shell case, it is
in JavaScript, which triggers a GJS trampoline. Calling this function on
every mouse movement is naturally as terrible as it could be - and is
exactly what happens now.
This commit adds the necessary checks to only call move_resize() when
the window actually changed, or when it needs to be updated.
https://bugzilla.gnome.org/show_bug.cgi?id=780292
Issue: #78
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This will be used by the next commit to determine when a window
geometry change should be ignored or not. Normally, it would be
enough to just check if the position and sizes changed.
The position, in this case, is relative to the client buffer, not
the global position. But because it is not global, there is one,
admitedly unlikely, situation where the window state is updated
while the client size and relative positions don't change.
One can trigger this by e.g. tiling the window to the half-left of
the monitor, then immediately tile it to half-right. In this case,
the window didn't change, just it's state, but nonetheless we need
to notify the compositor and run the full move/resize routines.
When that case happens, though, the MetaWindowWayland is tracking
the pending state change or a move. And this is what we need to
expose.
https://bugzilla.gnome.org/show_bug.cgi?id=780292
Issue: #78
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In the old, synchronous X.org world, we could assume that
a state change always meant a synchronizing the window
geometry right after. After firing an operation that
would change the window state, such as maximizing or
tiling the window,
With Wayland, however, this is not valid anymore, since
Wayland is asynchronous. In this scenario, we call
meta_window_move_resize_internal() twice: when the user
executes an state-changing operation, and when the server
ACKs this operation. This breaks the previous assumptions,
and as a consequence, it breaks the GNOME Shell animations
in Wayland.
The solution is giving the MetaWindow control over the time
when the window geometry is synchronized with the compositor.
That is done by introducing a new result flag. Wayland asks
for a compositor sync after receiving an ACK from the server,
while X11 asks for it right away.
Fixes #78
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Update NEWS.
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Before we just set it to "none", but this was not enough since various
calls will depend on not just the context being active, but the main
rendering surface.
Fixes https://gitlab.gnome.org/GNOME/mutter/issues/21
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Add return-if-fail statement to avoid deferencing NULL object
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When deriving the global scale directly from the current hardware state
(as done when using the X11 backend) we are inspecting the logical
state they had prior to the most recent hot plug. That means that a
primary monitor might have been disabled, and a new primary monitor may
not have been assigned yet.
Stop assuming a primary monitor has an active mode before having
reconstructed the logical state by finding some active monitor if the
old primary monitor was disabled. This avoids a crash when trying to
derive the global scale from a disabled monitor.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/130
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These paths implicitly relied on the forwarded IM key events having
a source_device backed by a real HW device. This assumption is no
longer held true since commit b5328c977.
Explicitly check the INPUT_METHOD flag so they are handled as they
should despite not being "real HW" events.
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As a follow up to the patch from a95cbd0a, we need to make sure
that the pointer is out of the way as well when monitors changed,
since that's the event that will prevail in some cases. Besides,
this is also consistent with what the code before a95cbd0a was,
which initialized the pointer position in the same way both in
this case and in the real_post_init() function.
Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/157
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We used to maintain an actor for cursors, even though we would possibly
use hw overlays or even some other overlay actor for those. This happens
no more, so check whether we are dealing with an actor-backed surface role
before fiddling with it.
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All surface roles that do need a backing actor inherit from this
class, it makes sense to move actor management there. This also
means the MetaWaylandActorSurface is in charge of emitting
::geometry-changed on the MetaWaylandSurface.
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Instead of scheduling a meta_later, keep track of the unassociated
windows, and look for matches as soon as the MetaWaylandSurface is
created on our side.
This will ensure the surface is given the Xwayland role before receiving
the first wl_surface.commit.
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Abstract this instead of having callers connect to notify:: signals
on the surface actor.
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The actor itself will be shuffled around, abstract all external
access to it behind a function to make that easier later on.
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In the synchronized subsurface case, the destination list may
contain other elements from previous wl_surface.commit calls.
Resetting the list will leave those dangling frame callbacks
that will lead to invalid writes when those get to be destroyed
(eg. on client shutdown).
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clutter_stage_manager_list_stages() returns a copied list, which
should be freed.
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The fix is twofold. On one hand, it makes sense not to relate IM (nor
any other) generated events to a HW device. On the other hand, if we
are unfortunate that an IM event is in flight when we are switching
to another TTY, it may arrive at a time when the source device is no
longer existent.
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Gtk now is caching the themed cairo surfaces, then as per
commit gtk@e36b629c the surface device scale is used to figure
out the current paint scaling.
Without this when using background-image's for window buttons
the -gtk-scaled icons isn't properly resized.
Fixes #99
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Centering the pointer at startup causes undesired behaviour if
it ends up hovering over reactive elements, that might react
to that positioning, causing confusion. This is the case of
the login dialog when a list of different users is shown, as
centering the pointer at startup in that case will get the
user in the center of the screen pre-selected, which is not
the expected behaviour (i.e. pre-selecting the first one).
Fix this by simply moving the pointer out of the way, close
to the bottom-right corner, during initialization.
Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/157
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Mark CAPS lock as a modifier (as it should) so that when using XKB
options to change the default behaviour of CAPS lock, the new assigned
key can by used as a sticky key as well.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/112
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Input method can inject key events, which leads to multiple reported key
press/release events for a single user action.
Ignore those events as this confuses keyboard accessibility.
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Right now if Xwayland crashes, we crash, too.
On some level that makes sense, since we're supposed to control the
lifecycle of Xwayland, and by it crashing we've lost that control.
But practically speaking, the knock-on crash adds noise to the logs,
bug trackers, and retrace servers that only makes debugging harder.
And the crash isn't something mutter can "fix", since it's
ultimately from a bug in Xwayland anyway.
This commit makes mutter exit instead of crash if Xwayland goes away
unexpectedly.
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Right now we explicitly g_clear_error any error we find, but that
makes it tricky to return early from the function, which a
subsequent commit will want to to do.
This commit switches GError to use g_autoptr so the error clearing
happens automatically.
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Another small mistake spotted while working on #77. This
function returns a pointer, thus we should return NULL,
not FALSE.
Issue: #77
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This is a small mistake spotted while working on a solution
for #77. When a GPU fails to initialize, we're adding them
anyway, which might have pretty bad consequences when trying
to use these NULL GPUs.
Issue: #77
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A minor code cleanup.
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Make it re-enable:able by a hidden "experimental feature". To enable, add
"kms-modifiers" to the org.gnome.mutter.experimental-features GSettings entry.
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The ResetIdletime API can be used instead of an "XTest" binary to
programmatically reset the idle time, as if the user pressed a button on
a keyboard.
This is necessary since we stopped using the XSync extension to monitor
idletimes, as it didn't consider inhibitors as busy, and mutter's
clutter code ignores "Core Events" as generated by XTest.
This patch will require minimal changes to gnome-settings-daemon's power
test suite so that "key press" idletime resets are triggered through
this D-Bus interface rather than through XTest and a roundtrip through
the X server.
https://bugzilla.gnome.org/show_bug.cgi?id=705942
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There's no particular reason for this code to only ever be triggered on
Wayland, and allows removing X11-specific work-arounds from
gnome-settings-daemon.
See https://bugs.freedesktop.org/show_bug.cgi?id=59576
https://bugzilla.gnome.org/show_bug.cgi?id=705942
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Take idle inhibitions into account for when to fire idle watches as
requested by OS components.
This should stop gnome-session and gnome-settings-daemon considering
the session idle when they have been inhibited for longer than their
timeout, for example to avoid the screensaver activating, or the
computer suspending after watching a film.
https://bugzilla.gnome.org/show_bug.cgi?id=705942
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Now that we've removed the X11 specific backend of the idle monitor,
add back a cut-down version of it for the explicit purpose of being
told about idle time resets when XTest events are used.
XTest events are usually used by test suites and remote display software
to inject events into an X11 session. We should consider somebody moving
the mouse remotely to be just as "active" as somebody moving it locally.
https://bugzilla.gnome.org/show_bug.cgi?id=705942
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And use the old "native" backend for both X11 and Wayland. This will
allow us to share fixes between implementations without having to delve
into the XSync X11 extension code.
https://bugzilla.gnome.org/show_bug.cgi?id=705942
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When moving the pending state of an effectively synchronized subsurface
so it is applied together with the parent, perform a merge of the source
MetaWaylandPendingState into the destination one, instead of simply
overwriting the struct.
The other approach had 2 kind of leaks, one that would happen everytime
a wl_surface.commit happens on a sync subsurface (both surface/buffer
damage regions are leaked). The other more unlikely one would apply on
the rest of pending state data, happening whenever the compositor gets
>1 wl_surface.commit calls on the subsurface before the parent surface
gets its own.
The function has also been renamed to use the more descriptive "merge"
term.
Related: gnome-shell#64
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Output ID is set equal to 'i' later in the loop. But 'i' was never
incremented, so all outputs were getting the same ID (equal to
the number of CRTCs, because 'i' was reused from the previous loop).
(cherry picked from commit 23c3f8bb18db499d196f1024732ef3234b44f59c)
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Credit goes to gcc for finding this typo.
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Compositor effects change the actor size and position, which can lead to
inconsistent output enter/leave notifications, leaving clients' surfaces
without any output set.
Update output enter/leave notifications after all compositor effects are
completed so that we give clients accurate output location.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/104
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When using plugins, the effects will affect the MetaWindowActor size
and position.
Add a new signal "effects-completed" wired to the corresponding
MetaWindowActor which is emitted when all effects are completed so that
derived objects can be notified when all effects are completed and use
the actual size and position.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/104
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The value is not scaled by default so it needs to be adjusted
depending on the window scaling, as it's done in other places.
Fixes: #87
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So it does gtk headerbar, so mutter should do.
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If we attempt GBM surface allocation with a set of modifiers but the
allocation fails, fall back to non-modifier allocations. This fixes
startup on Pineview-based Atom systems, where KMS provides us a set of
modifiers but the GBM implementation doesn't support modifier use.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/84
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And make the ClutterText-level properties independent from the input
focus, as those properties can be set anytime, not just when the
ClutterText actor is focused.
https://gitlab.gnome.org/GNOME/mutter/issues/66
Closes: #66
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Rotating an output would show duplicate cursors when the pointer is
located over an area which would be within the output if not rotated.
Make sure to swap the width/height of the output when rotated.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/85
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Rendering the next frame (which mostly happens as part of the flush done
in swap buffers) is a task that the GPU can complete independently of
the CPU having to wait for previous page flips. So reverse their order
to get the GPU started earlier, with the aim of greater GPU-CPU
parallelism.
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When using two monitors size by side with different scales, once the
cursor moves from one output to another one, its size changes based on
the scale of the given output.
Changing the size of the cursor can cause the cursor area to change
output again if the hotspot is not exactly at the top left corner of the
area, causing the texture of the cursor to change, which will trigger
another output change, so on and so forth causing continuous surface
enter/leave event which flood the clients and eventually kill them.
Change the logic to use only the actual cursor position to determine if
its on the given logical monitor, so that it remains immune to scale
changes induced by output scale differences.
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/83
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We can save an unnecessary relayout if the required size to fully draw the text
is equal to the currently allocated size after the underlying text buffer or
attributes that only affect the PangoLayout have changed.
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This commit allows building mutter with elogind, which is
systemd-logind extracted into a standalone package. This
allows using mutter with its native-backend ( and consequently
wayland ) enabled on distros which use init systems other than
systemd.
https://gitlab.gnome.org/GNOME/mutter/merge_requests/46
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By the looks of it, commit 95e9fa10ef was taping over an Intel DRI bug
that would make it return post-swizzling pixel data on glReadPixels().
There's been reports over time of that commit resulting in wrong colors
on other drivers, and lately Mesa >17.3 started showing the same symptoms
on Intel.
But texture swizzling works by changing parameters before fragment shaders
and reading pixels from an already drawn FBO/texture doesn't involve those.
This should thus use pixel_format_to_gl_with_target(), which will result in
correctly requesting the same pixel format than the underlying texture,
while still considering it BGRA for the upper layers in the swizzling case.
https://gitlab.gnome.org/GNOME/mutter/issues/72
Closes: #72
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