Review Request 128016: [OS X] Prevent a crash in the IdealDockWidget's context menu

[René J.V. Bertin]

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https://git.reviewboard.kde.org/r/128016/
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(Updated May 26, 2016, 1:21 p.m.)


Review request for KDevelop.


Changes
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New version using `QScopedPointer`.


Repository: kdevplatform


Description
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OS X can be capricious when instances corresponding to a widget are deleted, if the class in question uses "native" ObjC SDKs behind the scenes. Pending events can in that case be (generated and) delivered to objects that were already deleted.
According to the documentation, one should prefer to use `QObject::deleteLater()` rather than the regular, direct `delete` whether it be explicit or implicit.

I've long used a local patch that uses this approach in order to prevent a recurring crash after using the context menu of the "ideal dock widget". Somehow I never put it up for review here, apparently.


Diffs (updated)
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  sublime/idealdockwidget.cpp dae0ea2 

Diff: https://git.reviewboard.kde.org/r/128016/diff/


Testing
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Builds and permits reliable behaviour on both OS X and Linux.


Thanks,

René J.V. Bertin

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