D23070: Remove usage of QWeakPointer for QObject for thumbnails

Frederik Gladhorn <[email protected]>
Newsgroups gmane.comp.kde.devel.kwin
Message-ID <[email protected]> 
gladhorn added a comment.


  See https://phabricator.kde.org/D23065
  
  Using a QWeakPointer for QObjects works, but has been deprecated for around seven years. QPointer does the same cleanly (track life-time of QObjects). If you use .toStrongRef() on a QWeakPointer to a QObject without going through QSharedPointer you are in UB land.
  In other words: this API is bad and will most likely be removed from Qt in the future.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D23070

To: gladhorn, #kwin
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