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Merge branch 'ack-configure' into 'main'

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xdg-shell: make ack_configure double-buffered state

See merge request wayland/wayland-protocols!375
This commit is contained in:
Julian Orth 2026-04-22 13:01:59 +02:00
commit 4ce6fd6547
1 changed files with 19 additions and 0 deletions
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stable/xdg-shell/xdg-shell.xml
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@ -569,6 +569,8 @@
information to move a surface to the top left only when the client has
drawn itself for the maximized or fullscreen state.
The following applies to protocol version 6 or earlier.
If the client receives multiple configure events before it
can respond to one, it only has to ack the last configure event.
Acking a configure event that was never sent raises an invalid_serial
@ -592,6 +594,23 @@
request referencing a serial from a configure event issued before the
event identified by the last ack_configure request for the same
xdg_surface. Doing so will raise an invalid_serial error.
The following applies to protocol versions 7 or later.
Since version 7, ack_configure is double-buffered state. See
wl_surface.commit for details.
The client may send ack_configure multiple times to change the acked
configuration sequence before committing. Committing a configuration
sequence consumes that sequence and all earlier sequences.
A commit must not contain a configuration sequences that has already
been consumed. Doing so will raise an invalid_serial error.
Committing a configuration sequence indicates that the state in the
commit is suitable for the state requested by that configuration
sequence. If a commit does not contain a configuration sequence, the
committed sequence is unchanged.
</description>
<arg name="serial" type="uint" summary="the serial from the configure event"/>
</request>