https://bugs.kde.org/show_bug.cgi?id=358231

--- Comment #11 from Jaime Torres <jtam...@gmail.com> ---
Git commit e1fe26f1fc78082fdb215cb818177541d4607d9c by Jaime Torres.
Committed on 19/02/2018 at 20:09.
Pushed by jtamate into branch 'master'.

Reduce plasmashell frozen time to almost nothing

Summary:
Related: bug 342056
Even the icon with the number of tasks pending moves from time to time.

To reduce the frozen time, a similar patch must be applied also to
frameworks/kwindowsystem src/platforms/xcb/kxmessages.cpp
frameworks/plasma-framework src/plasma/private/effectwatcher.cpp

According to the documentation (and a look to the source code)
http://doc.qt.io/qt-5/qabstractnativeeventfilter.html

The type of event eventType is specific to the platform plugin chosen
at run-time, and can be used to cast message to the right type.

On X11, eventType is set to "xcb_generic_event_t", and the message can
be casted to a xcb_generic_event_t pointer.

The other eventType are "windows_generic_MSG" and "mac_generic_NSEvent".
No other eventType starts with an 'x'.

Test Plan:
Cut & paste 2000 small files.
Before, a freeze (plasmashell not responding) of minutes
After, a freeze of seconds

Reviewers: #frameworks, #plasma, davidedmundson

Reviewed By: #plasma, davidedmundson

Subscribers: broulik, davidedmundson, plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D10627

M  +1    -1    shell/screenpool.cpp

https://commits.kde.org/plasma-workspace/e1fe26f1fc78082fdb215cb818177541d4607d9c

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