Review Request 124375: Fix potential endless recursion in PanelView::event() handler

[David Edmundson]

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Surely all this patch will do is change it from infinitely recursing to 100% CPU busy looping in each event loop?
I don't see how that's much better?

- David Edmundson


On July 16, 2015, 1:48 p.m., Daniel Vrátil wrote:
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> https://git.reviewboard.kde.org/r/124375/
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> (Updated July 16, 2015, 1:48 p.m.)
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> Review request for Plasma.
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> Repository: plasma-workspace
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> Description
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> `PanelView::event()` generates new events for itself and dispatches them via `QCoreApplication::sendEvent()`, which calls the handler directly. This can lead to endless recursion. This patch changes the handler to use `QCoreApplication::postEvent()` instead to enqueue the new event and dispatch it from `QEventLoop` after the current `PanelView::event()` returns.
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> Downstream bug report: https://bugzilla.redhat.com/show_bug.cgi?id=1226644
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> Diffs
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>   shell/panelview.cpp b94673d 
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> Diff: https://git.reviewboard.kde.org/r/124375/diff/
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> Testing
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> Thanks,
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> Daniel Vrátil
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