Review Request 118816: Don't crash konsole when a container destructs

[Kevin Funk]

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https://git.reviewboard.kde.org/r/118816/#review60449
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Note: This is about https://bugs.kde.org/show_bug.cgi?id=331724.

- Kevin Funk


On June 18, 2014, 9:51 p.m., Jeremy Whiting wrote:
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> https://git.reviewboard.kde.org/r/118816/
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> (Updated June 18, 2014, 9:51 p.m.)
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> Review request for KDE Base Apps and Eike Hein.
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> Bugs: 331724
>     http://bugs.kde.org/show_bug.cgi?id=331724
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> Repository: konsole
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> Description
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> When containers are destructed, they emit a signal that the splitter is connected to which removes and unregisters the container from the splitter.
> A crash happens when the splitter is destroyed before the container, so a slot in a deleted splitter is called, tries to unregister the container, and segfaults.
> I added a destructor to ViewSplitter which unregisters all it's containers, this fixes the crash here on closing of a tab in yakuake and on closing a tab in konsole.
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> Diffs
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>   src/ViewSplitter.h c1e4552 
>   src/ViewSplitter.cpp bfc727e 
>   src/ViewContainer.cpp 79c24d5 
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> Diff: https://git.reviewboard.kde.org/r/118816/diff/
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> Testing
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> Manual testing, it seems to work fine.
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> Thanks,
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> Jeremy Whiting
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