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

Dmitry Ivanov dm.vl.ivanov at
Wed Jan 8 16:25:10 GMT 2014

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(Updated Jan. 8, 2014, 8:25 p.m.)

Review request for kde-workspace and Plasma.


Uploaded a modified working patch which is no longer a one-line addition inside FdoGraphicsWidget::paint method but a dozen of new lines setting the full viewport update mode for parent view of FdoGraphicsWidget inside its constructor. So far it is the most proper working solution I can come up with. 

Bugs: 317066

Repository: kde-workspace


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, t
 hank you. 

Diffs (updated)

  plasma/generic/applets/systemtray/protocols/fdo/fdographicswidget.cpp 1baa23d 



I rebuilt 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. 


Dmitry Ivanov

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