Review Request 122227: KRecursiveFilterProxyModel: many many more unittests, and fixing what they found.

[Christian Mollekopf]

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Ship it!


I tested this over the weekend. It fixes the problem originally addressed and seems to fix the crash I was having.

- Christian Mollekopf


On Jan. 23, 2015, 6:11 p.m., David Faure wrote:
> 
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> https://git.reviewboard.kde.org/r/122227/
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> (Updated Jan. 23, 2015, 6:11 p.m.)
> 
> 
> Review request for kdelibs and Christian Mollekopf.
> 
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> Repository: kdelibs
> 
> 
> Description
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> 
> 1) setData(false), i.e. a dataChanged that removes and item from the filter,
> didn't actually lead to removal. The code was only looking at changing to
> get in, not changing to get out.
> 
> 2) On insertion, we can avoid emitting dataChanged up the chain, by
> finding out before the insertion which exact ancestor will be changed
> (lastHiddenAscendantForInsert).
> 
> 3) On removal, well simplify the code (completeRemove was always true, unless
> ignoreRemove was set, so we only need to keep ignoreRemove), and avoid
> emitting dataChanged up the chain, by finding out which the last parent
> before one that should still be visible, and hide just that one.
> 
> 4) While at it, an obvious optimization that could have been done
> since day one: filterAcceptsRow can return true as soon as a child wants
> to be shown.
> 
> 
> Diffs
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> 
>   kdeui/itemviews/krecursivefilterproxymodel.cpp efa286ad87ded962b20c8a581b659d1b154ebf3a 
>   kdeui/tests/krecursivefilterproxymodeltest.cpp 3bcb72980730cb22f887ae8fa5fbd91b5609aeb6 
> 
> Diff: https://git.reviewboard.kde.org/r/122227/diff/
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> 
> Testing
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> Unittest, obviously.
> + KMail smoke testing.
> 
> 
> Thanks,
> 
> David Faure
> 
>

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