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

[Dmitry Ivanov]

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https://git.reviewboard.kde.org/r/114910/
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(Updated Jan. 8, 2014, 12:59 p.m.)


Review request for kde-workspace and Plasma.


Bugs: 317066
    http://bugs.kde.org/show_bug.cgi?id=317066


Repository: kde-workspace


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. 


Diffs
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  plasma/generic/applets/systemtray/protocols/fdo/fdographicswidget.cpp 1baa23daa5abd5deaab986dc65cec7b9d1031e6c 

Diff: https://git.reviewboard.kde.org/r/114910/diff/


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. 


Thanks,

Dmitry Ivanov

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