[PyKDE] QListView bugs (...)
phil at river-bank.demon.co.uk
Mon Jul 1 11:45:00 BST 2002
Thierry Jouve wrote:
> I investigate a little bit more, and I've found that a call to
> triggerUpdate() (on the QListView object) and to processEvents() (on the
> QApplication object) resolve the problem...
> But :
> - it's not very well to call "triggerUpdate" after each update on a
> - it's strange that only the second call has a problem, whereas the
> third works fine !!!
It works for me whether or not triggerUpdate() is called.
> Concerning QListCiewItem bugs, here is a script that demonstrate the
> problem :
> #!/usr/bin/env python
> from qt import *
> if __name__ == "__main__" :
> import sys
> qa = QApplication(sys.argv)
> lv = QListView()
> print "Before inserting"
> qlvi = QListViewItem(None, "Item1")
> print "After inserting"
Although the Qt docs don't explicitly say it, you must pass a non-NULL
(or non-None) value as the parent. If you look at the Qt source code you
see that the parent pointer is always derefenced.
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