[PyQt] Possible display bug with editable QTreeWidgetItem on Linux

[Vincent Michel]

I tried with several different styles: 
(cleanlooks, windows, motif, platinium, cde, plastique...)
and they all seem to work perfectly.

But the native style on my system is GTK, and this:
    python pyqt_test.py -style gtk
produces the same problem I described.

So yes, it definitely seems like this issue comes from the GTK style.

Vincent

On Tue, 2014-09-09 at 21:07 +0200, David Boddie wrote:
> On Tue, 09 Sep 2014 10:02:26 +0200, Vincent Michel wrote:
> 
> > I noticed a strange display bug when I ran a code using an editable
> > QTreeItemWidget on a Linux machine (this doesn't happen on Windows).
> > 
> > While editing the widget, the previous value is still visible and messes
> > up with the new value that is being typed.
> 
> Does the problem only occur with the native style? Which style is the
> native one on your system? Can you try it with another one by passing
> the -style option on the command line, like this example?
> 
>   python your_program.py -style cleanlooks
> 
> You need to change your code to ensure that the command line arguments
> are processed by Qt:
> 
>     import sys
>     from PyQt4 import QtCore, QtGui
>     app = QtGui.QApplication(sys.argv)
>     widget = QtGui.QTreeWidget()
>     item = QtGui.QTreeWidgetItem(widget, ['x'*8])
>     item.setFlags(QtCore.Qt.ItemIsEditable | QtCore.Qt.ItemIsEnabled)
>     widget.show()
>     app.exec_()
> 
> David
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