Review Request 111158: Fix KLinkItemSelectionModel handling of QItemSelectionModel::Toggle flag

[Aurélien Gâteau]

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http://git.reviewboard.kde.org/r/111158/
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Review request for kdelibs and Stephen Kelly.


Description
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Summarizing the comment block: KLISM::select(QModelIndex,...) was calling QISM::select(QModelIndex,...) but QISM::select(QModelIndex,...) calls QISM::select(QItemSelection,...) which is virtual, so it ends up calling KLISM::select(QItemSelection,...). When using the Toggle selection flag, this ends up toggling the selection twice.

This was breaking image multi-selection in Gwenview:
- open an image Gwenview
- show the thumbnail bar
- click on the [+] button to select a second image => without the patch, image 2 does not get selected

With the patch it gets selected and... Gwenview crashes as soon as you deselect image 2, but that is a bug in Gwenview. Fix for it is going to be pushed.


Diffs
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  kdeui/itemviews/klinkitemselectionmodel.cpp 3c57c18239580497f659ef343c65be39998c2cb7 
  kdeui/tests/CMakeLists.txt 235e31e826ab8331f30c6e15c874bdc647d9efac 
  kdeui/tests/klinkitemselectionmodeltest.h PRE-CREATION 
  kdeui/tests/klinkitemselectionmodeltest.cpp PRE-CREATION 

Diff: http://git.reviewboard.kde.org/r/111158/diff/


Testing
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Added a unit-test. Tested in Gwenview.


Thanks,

Aurélien Gâteau

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