Review Request 120471: Add Registry::sync() signal

[Martin Gräßlin]

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Ship it!


looks good

- Martin Gräßlin


On Oct. 14, 2014, 4:17 a.m., Sebastian Kügler wrote:
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> https://git.reviewboard.kde.org/r/120471/
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> (Updated Oct. 14, 2014, 4:17 a.m.)
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> Review request for kwin, Plasma and Martin Gräßlin.
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> Repository: kwayland
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> Description
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> Add Registry::sync() signal
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> Emitted when the Wayland display is done flushing the initial interface
> callbacks, announcing wl_display properties. This can be used to compress
> events. Note that this signal is emitted only after announcing interfaces,
> such as outputs, but not after receiving callbacks of interface properties,
> such as the output's geometry, modes, etc..
> This signal is emitted from the wl_display_sync callback.
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> For this, we add a wl_callback_listener to the registry's Private,
> enqueue its events properly, if necessary, and trigger the signal
> through a callback mechanism similar to the wl_registry callbacks.
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> This signal allows users of the API to find out when the signal
> emissions, such as outputAnnounced, etc. for all currently existing
> interfaces is complete.
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> Diffs
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>   autotests/client/test_wayland_registry.cpp 571be0f 
>   src/client/registry.h 9e63a2b 
>   src/client/registry.cpp 207cdef 
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> Diff: https://git.reviewboard.kde.org/r/120471/diff/
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> Testing
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> tests in libkscreen exercise this feature, it works as expected, meaning I can notify when all initial synchronization is done.
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> Thanks,
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> Sebastian Kügler
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