On Tuesday 18 November 2003 7:35 am, Gerard Vermeulen wrote:
Hi,
My difficulties to translate this C++ idiom to Python:
bool Plot::eventFilter(QObject *object, QEvent *e)
{
if ( e-type() == QEvent::Resize )
{
const QSize size = ((QResizeEvent *)e)-size();
if ( object == (QObject *)axis(yLeft) ) // HOW TO THIS IN PYTHON?
{
// ...
}
}
return QwtPlot::eventFilter(object, e);
}
were due to the fact that I did not implement ConvertToSubClassCode for
the Qwt widgets. Therefore, the 'is' operator did not work as expected.
Since Qwt is more of a bunch of widgets than a neat hierarchy like PyKDE,
the most natural choice is to convert down from a QObject to a specific
subclass.
As far as I understand, the sipc module knows how to handle more than
one static PyObject *sipSubClass_QObject(const QObject *sipCpp) (as
long as they are implemented in different modules), but sip does not
support it.
I don't understand - sip does support it, look at qtable.sip or qcanvas.sip.
Or am I missing something?
Phil
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