Review Request: Wait for All Ignored Windows to Close in Controller

[Commit Hook]

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This review has been submitted with commit 08c2b0af5e8f479f18063ca7a550ceb7fe7280c1 by Aaron Seigo to branch KDE/4.8.

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On Feb. 3, 2012, 1 p.m., David Narváez wrote:
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> http://git.reviewboard.kde.org/r/103858/
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> (Updated Feb. 3, 2012, 1 p.m.)
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> 
> Review request for Plasma.
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> Description
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> This patch makes the controller wait for the ignored window to actually close. In bug 291075 you can see what happens when you don't: the Browse window pops, the Controller queries for the Active Window, the Active Window is not tagged, so the Controller kills all of its children, including the KIconDialog itself.
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> Even after this patch there's still a way to trigger this bug: since we are only managing a boolean flag, you can chain something like
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> openWindowWithTag() -> openWindowWithoutTag() -> openWindowWithTag()
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> and then close the last window, which will close the controller. I think the proper way to manage this is to have a counter of active tagged windows, and only close when it is 0.
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> This addresses bug 291075.
>     http://bugs.kde.org/show_bug.cgi?id=291075
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> Diffs
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>   plasma/desktop/shell/controllerwindow.cpp 6f3064f 
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> Diff: http://git.reviewboard.kde.org/r/103858/diff/diff
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> Testing
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> 1) Click on the Activity Bar plasmoid
> 2) Change the icon of an activity
> 3) Use Custom Icon
> 4) Browse
> 5) Select an SVG file
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> Before this patch, Plasma would crash on step 4. Notice that, on my setup, selecting a PNG file would cause the controller to close (no crash, just close) and the icon wouldn't change. I think I remember being able to set a PNG file before, so please let me know if this is a problem caused by this patch.
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> Thanks,
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> David Narváez
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