D7096: Only send active window changes to X11 root window if the X11 window changed

[David Edmundson]

davidedmundson requested changes to this revision.
davidedmundson added a comment.
This revision now requires changes to proceed.


  under X, any other process can change _net_active_window
  
  If that happens we need our  m_activeWindow to reflect that, otherwise kwin can be out of sync and not send anything.
  
  NetRootInfo already contains an activeWindow() method, which seems up-to-date, can we use that instead of the member var?

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D7096

To: graesslin, #kwin, #plasma, davidedmundson
Cc: davidedmundson, plasma-devel, kwin, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart, lukas
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