Solved Painting artifacts of QGraphicsProxyWidget with QPlainTextEdit
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Hello, everyone.
There was a problem of repainting the graphical scene when using elements with a QGraphicsProxyWidget with QPlainTextEdit.
It looks like this, as shown in the pictures:
The artifact is observed for Qt version 5.9.1 in Windows and Linux. The minimal compiled example is posted on github: https://github.com/kai66673/TestSceneFail
Any ideas how to avoid such behavior?
[Edit: fixed images links ~~ @Wieland]
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The solution is setCacheMode of proxy widget to QGraphicsItem::DeviceCoordinateCache