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Forum Update on Monday, May 27th 2025

Animation framework

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  • G Offline
    G Offline
    GrahamL
    wrote on last edited by
    #1

    Hi
    If I have a group of animations and have added them to a group –
    @
    QPropertyAnimation *Animation1 = new QPropertyAnimation(widget1, "pos");
    QPropertyAnimation *Animation2 = new QPropertyAnimation(widget2, "pos");

    QParallelAnimationGroup *animationGroup = new QParallelAnimationGroup;
    animationGroup ->addAnimation(Animation1);
    animationGroup ->addAnimation(Animation2);

    animgroup->start(QAbstractAnimation::DeleteWhenStopped);
    @

    Does this result in a memory leak or will the individual animations be deleted when the animation group completes ?

    Thanks

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      There's no leak, the "QAnimationGroup":http://qt-project.org/doc/qt-5.0/qtcore/qanimationgroup.html#details takes ownership of the QPropertyAnimation you add to it.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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