Review Request 123911: Fix crash due to window menu and view list not properly updating on secondary windows

[Boudewijn Rempt]

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krita/ui/KisApplication.cpp 
<https://git.reviewboard.kde.org/r/123911/#comment55411>

    This is the only bit I don't understand: where is the mainwindow now added to the list of  open mainwindows? Or isn't that necessary anymore?


- Boudewijn Rempt


On May 26, 2015, 11:09 p.m., Stefano Bonicatti wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/123911/
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> (Updated May 26, 2015, 11:09 p.m.)
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> 
> Review request for Calligra.
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> Repository: calligra
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> Description
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> If two (ore more) windows are opened, then on the first multiple documents are opened, all the other windows won't update their view list in the Window -> New View menu.
> This also happens when closing documents on the first window, the other will still show a possibility to open a view on a document that is actually closed, and if you try to, Krita will crash.
> 
> This happen because the secondary windows updates their menu only when receiving documentOpened, documentClosed signals which are originally emitted by KisPart::addView and KisPart::removeView or when a view, in the same window, is activated.
> Given that to trigger the bug the secondary windows should be with no view opened, then the issue is on the signals: documentOpened is only called if the amount of views present is 1.
> Something similar goes for documentClosed, it is only sent when there's no view opened.
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> This is wrong because documentOpened should be bound to the event of actually opening a new document, not a view, and no views amount check should be done.
> For documentClosed is again the same, it should be bound to the event of actually closing a document not a view.
> Also, adding a view
> It wasn't directly inherent with this issue, but i've also fixed the fact that all new windows aren't appended in the KisPart mainWindows list.
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> This might also fix: https://bugs.kde.org/show_bug.cgi?id=348162 since the backtrace is very similar to the crash i got.
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> While this patch is simple i preferred opening a review just to be sure i didn't miss any unwanted behaviour.
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> Diffs
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>   krita/ui/KisApplication.cpp 082ffee 
>   krita/ui/KisPart.cpp 24aac23 
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> Diff: https://git.reviewboard.kde.org/r/123911/diff/
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> Testing
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> Compiles fine, the view list updates correctly both in the case of opening or closing a document.
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> Thanks,
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> Stefano Bonicatti
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