I can retrieve the PyQt widget via Python C API, but it is a PyObject*, so how to convert PyObject* to a QObject* ? Once I have the QObject*, the rest should be easy in C++.
zhang On Fri, Jul 22, 2011 at 5:21 PM, Phil Thompson <[email protected]>wrote: > On Tue, 19 Jul 2011 04:26:52 +0800, zhang jian <[email protected]> > wrote: > > Hi, > > > > I have a question about embedded PyQt inside a Qt (C++) app. For now I > have > > an app totally written in PyQt, then I want to embed it inside a Qt app > > written in C++. I have no problem putting PyQt ui stuff inside a Qt > Widget. > > I can call stuff in PyQt from Qt using PyObject_CallMethod(), but I > don't > > know how to send signal from PyQt to Qt. I already have the PyObject* of > > the > > PyQt widget when I create the instance by PyObject_CallObject(). I try > to > > connect((QObject*)some_instance, SIGNAL("some_signal"), this, > > SLOT(some_slot)), but no luck. I'd like to know if that is possible to > > connect a signal in PyQt to a slot in Qt? If it is, how? > > Assuming you are doing the connection from C++, and assuming that the > signal is defined in Python using @pyqtSignal, then once you have a pointer > to the underlying C++ QObject then just use the normal QObject::connect() > call. Pass whatever you defined the signal to be using @pyqtSignal to your > SIGNAL() call in C++. > > Phil >
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