Review Request 127441: Fix never ending event loop when quitting app and segmentation faults

[Hartmut Riesenbeck]

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https://git.reviewboard.kde.org/r/127441/
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(Updated März 22, 2016, 8:19 nachm.)


Review request for KDE Edu.


Changes
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Removed SIGNAL/SLOT macros and went back to function pointers.
Found two missing this pointer on KEduVocDocument allocation.


Repository: parley


Description (updated)
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When the app is quited app.exec() doesn't return. The process stays in
sleeping state. Removed app.setQuitOnLastWindowClosed(false) because
the quit() or exec() method of the application were not invoked
somewhere else in the application.

After this the app ends in the correct way. But after quit is invoked,
there are sporadic segmentation faults and the following message was
shown on stderr:
    QCoreApplication::postEvent: Unexpected null receiver
This was fixed by removing zero pointer access in destuctor of
ParleyDocument.

Added missing this pointer on KEduVocDocument allocation.


Diffs (updated)
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  src/main.cpp 2e87baa93f81349a187d620be2468f8a1bb4aca1 
  src/parleydocument.cpp cf4c81c3f8f35a99389d61a75d934cff3170b960 
  src/parleymainwindow.cpp d6f86debd32c1e77bbcca86a160906674960dce9 

Diff: https://git.reviewboard.kde.org/r/127441/diff/


Testing
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Thanks,

Hartmut Riesenbeck

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