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Created attachment 1092372 [details]
reproducer script

Description of problem:

In a simple PyQt QTableWidget if you edit a text field that has data already, your edits are shown superimposed over the existing data. In addition, if the data is highlighted and then 'deleted', it is still displayed as if it were there.

I would expect data to disappear when being edited (whole or partially)

Version-Release number of selected component (if applicable):

PyQt4-4.10.1-13.el7.x86_64

How reproducible:

always

Created attachment 1096720 [details]
Video of reproducer

it's affected in qt (the qt demo) too, reassign to correct component qt

After some investigation it looks that the problem is in GTK+ style used when running Qt app on Gnome, using qtconfig-qt4 to force to use Oxygen makes this work under Gnome too. I'll try to investigate this further.

Closing this bug, we are not going to support gtk+ style. There is a new theme we want to support and which customers should use. The new theme should be available in RHEL 7.3.