// @pymethod |PyAssocObject|AttachObject|Attaches a Python object for lookup of "virtual" functions.
PyObject *
ui_assoc_object::AttachObject(PyObject *self, PyObject *args)
{
PyObject *ob;
ui_assoc_object *pAssoc = (ui_assoc_object *)self;
if (pAssoc==NULL) return NULL;
if (!PyArg_ParseTuple(args, "O:AttachObject", &ob ))
return NULL;
// Possibility for recursion here if we re-attach the
// same instance to the same win32ui type object.
// decref of the instance may trigger instance delete,
// which may trigger AttachObject(None), which will
// attempt to decref etc.
// So set the instance to NULL _before_ we decref it, and only
// do the decref after we've incref'd the new object - if it is the
// same object we may otherwise transition it via a refcount of 0.
PyObject *old = pAssoc->virtualInst;
pAssoc->virtualInst = NULL;
if (ob!=Py_None) {
pAssoc->virtualInst = ob;
DOINCREF(ob);
}
XDODECREF(old);
RETURN_NONE;
}
PyObject *ui_assoc_object::GetGoodRet()
{
if (this==NULL) return NULL;
if (virtualInst) {
PyObject *vi = virtualInst;
DOINCREF(vi);
DODECREF(this);
return vi;
} else
return this;
}
// @pymethod |PyCPrintInfo|SetUserData|Set a user-created structure.
// @pyseemfc CPrintInfo|m_lpUserData
static PyObject *ui_set_user_data(PyObject * self, PyObject * args)
{
PyObject *var;
if (!PyArg_ParseTuple(args,"O:SetUserData",&var))
return NULL;
CPrintInfo *pInfo = ui_prinfo_object::GetPrintInfo(self);
if (!pInfo)
return NULL;
if (pInfo->m_lpUserData) XDODECREF((PyObject*)pInfo->m_lpUserData);
pInfo->m_lpUserData = var;
DOINCREF(var);
RETURN_NONE;
}
BOOL CVirtualHelper::call(CView *pWnd, PyObject *ob)
{
if (!handler) return FALSE;
CEnterLeavePython _celp;
if (!ob)
ob=Py_None;
PyObject *wnd ;
if (pWnd==NULL) {
wnd = Py_None;
DOINCREF(wnd);
} else {
wnd = PyWinObject_FromCWnd(pWnd);
if (!wnd) return FALSE;
}
PyObject *arglst = Py_BuildValue("(OO)",wnd,ob);
BOOL ret = do_call(arglst);
DODECREF (wnd); // the reference I created.
return ret;
}
BOOL CVirtualHelper::call(CDC *pDC, CWnd *pWnd, int i)
{
PyObject *wnd ;
CEnterLeavePython _celp;
if (pWnd==NULL) {
wnd = Py_None;
DOINCREF(wnd);
} else {
wnd = PyWinObject_FromCWnd(pWnd);
if (!wnd) return FALSE;
}
PyObject *dc = (PyObject *) ui_assoc_object::make (ui_dc_object::type,
pDC)->GetGoodRet();
if (!dc) {
Py_DECREF(wnd);
return FALSE;
}
PyObject *arglst = Py_BuildValue("(OOi)",dc, wnd, i);
BOOL ret = do_call(arglst);
Py_DECREF(wnd);
Py_DECREF(dc);
return ret;
}
