On Wednesday 18 June 2003 12:17 pm, Wido Depping wrote: > On Wednesday 18 June 2003 12:59, Henry Kleynhans wrote: > > On Wednesday 18 June 2003 09:40, Vio wrote: > > > > >Given the recent segfault discussion, I have attached an example > > > > > piece of code which segfaults. I am not sure if this is a bug, or > > > > > just my own stupidity though. According to the PyQT book, the way > > > > > to remove a widget from it's parent is to do the following: > > > > > > > > > > myParent.removeChild(myChild) > > > > > del myChild > > > > > > > > > >The PyQT/Sip bindings seems to break if these commands gets > > > > > triggered by a signal from within a child widget of the widget that > > > > > is to be removed. > > > > > > > > > >I get a segfault when I do the following: > > > > > > > > > > 1. Run the program (testdel.py) > > > > > 2. Click on the DelButton button. > > > > > 3. Switch to another application using Alt-Tab > > > > > 4. Switch back to my testdel app. > > > > > > > > > >This happens under RH9.0. (Python-2.2.2-26, PyQt-3.5-5, qt-3.1.1-6) > > > > > I use the KDE desktop environment. > > > > > > > > > >Does anyone know if this is a bug or how to fix/workaround this? > > > > > > > > I remember similar problems usind "delete()" or "destroy()" some time > > > > ago - sorry, I forgot the exact method name. > > > > My simple workaround was to use "deleteLater()". Especially since > > > > "Later" appears to be calcutated in milliseconds: pretty fast. > > > > Would you use deleteLater() instead of removeChild() ? > > The problem is that it works if the button is not inside another widget > > which gets removed. If you have the button on the QMainWindow instead of > > the TestWidget, it works fine, but as soon as you put in into another > > widget it does not work. > > Thanks for the tip. Now my application runs without any problems. > Should this be mentioned in the FAQ until it is fixed in the next release?
I'll add it to the FAQ, but I don't think it's a PyQt bug - unless anybody wants to do a C++ version of the test case and prove me wrong. BTW, the pyuic problem is fixed in the current snapshot. Phil _______________________________________________ PyKDE mailing list [EMAIL PROTECTED] http://mats.imk.fraunhofer.de/mailman/listinfo/pykde
