[Qt] QApplication::notify: Unexpected null receiver

[zeljko]

On Thursday 02 August 2007 08:44, Павел Ишенин wrote:
> > 1.can you provide any test case about this / which control crashes app ?
> > 2.any gdb backtrace ?
> >
> > I havent seen this message till early days of qt bindings (under linux).
> > eg. we had bug when you click with right mouse button on to ttreeview
> > it crashes app and there's your message, or eg. we just called
> > QWidget_destroy(OurWidgetHandle) and boooom (really early days of
> > bindings) some QEvent still processing,but handle is dead, or eg.
> > WideString problem we had about 1-2 months ago.
> > If I can reproduce this message, I'll find all answers to your question.
>
> I cant. It happens not ofter while playing with qt ide. Try to
> open/close some dialogs and maybe you'll be lucky.
>

hm.. I've found a bunch of next messages:

QPainter::begin: Cannot paint on a null pixmap
----
X Error: BadWindow (invalid Window parameter) 3
  Major opcode: 40 (X_TranslateCoords)
  Resource id:  0x3202a71
....

Also when I copy something from SynEdit, and try to paste it into kwrite it 
freezes kwrite completelly ....