Review Request 114910: Patch for bug 317066 ("systray leaves garbage on the panel when resizing ")

[Thomas Lübking]

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briefly looking at the bug - wouldn't it be better to only cause a full parent repaint when adding/removing an (fdo) icon?

- Thomas Lübking


On Jan. 8, 2014, 8:59 a.m., Dmitry Ivanov wrote:
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> (Updated Jan. 8, 2014, 8:59 a.m.)
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> Review request for kde-workspace and Plasma.
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> Bugs: 317066
>     http://bugs.kde.org/show_bug.cgi?id=317066
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> Repository: kde-workspace
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> Description
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> It is a proposed fix for bug 317066. The fix is a very simple one-liner setting FullViewportUpdate mode for FdoGraphicsWidget. I'm aware FullViewportUpdate has negative performance impact but I also know it efficiently leaves out any graphical glitches happening due to no repaint of widget when necessary (which is what the bug is about). I have tested my solution for a couple of days: the bug no longer reproduced and I also didn't see any noticeable performance problems. I'm still not sure what I propose is acceptable since it may seem like a hack to more experienced developers, however I just didn't want my patch attempt to get lost and forgotten in the bugzilla. Please have a look and decide whether the patch is good enough to be applied to the next bugfixing release of KDE 4.x series, thank you. 
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> Diffs
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>   plasma/generic/applets/systemtray/protocols/fdo/fdographicswidget.cpp 1baa23daa5abd5deaab986dc65cec7b9d1031e6c 
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> Diff: https://git.reviewboard.kde.org/r/114910/diff/
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> Testing
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> I rebuilt plasma_applet_systemtray.so with the patch and replaced the package version with it (I'm on Linux Mint 16 KDE, x86_64, KDE 4.11.3). So far I can no longer reproduce bug 317066 and I don't see any noticeable performance problems of system tray applet. 
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> Thanks,
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> Dmitry Ivanov
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