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If a control has no refcon pointing back to the Python object we create a new

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Python object. This needs a new bgenObjectDefinition.py, which implements
compare and hash functions.
This commit is contained in:
Jack Jansen 1999-03-13 23:07:32 +00:00
parent d5138caba5
commit 8387af65a9
2 changed files with 75 additions and 11 deletions
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27
Mac/Modules/ctl/ctlsupport.py
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@ -89,18 +89,33 @@ extern void clrtrackfunc(void); /* forward */
"""
finalstuff = finalstuff + """
PyObject *CtlObj_NewUnmanaged(itself)
ControlHandle itself;
{
ControlObject *it;
if (itself == NULL) return PyMac_Error(resNotFound);
it = PyObject_NEW(ControlObject, &Control_Type);
if (it == NULL) return NULL;
it->ob_itself = itself;
return (PyObject *)it;
}
PyObject *
CtlObj_WhichControl(ControlHandle c)
{
PyObject *it;
/* XXX What if we find a control belonging to some other package? */
if (c == NULL)
it = NULL;
else
it = (PyObject *) GetControlReference(c);
if (it == NULL || ((ControlObject *)it)->ob_itself != c)
it = Py_None;
else {
it = (PyObject *) GetControlReference(c);
/*
** If the refcon is zero or doesn't point back to the Python object
** the control is not ours. Return a temporary object.
*/
if (it == NULL || ((ControlObject *)it)->ob_itself != c)
return CtlObj_NewUnmanaged(c);
}
Py_INCREF(it);
return it;
}
@ -147,7 +162,7 @@ initstuff = initstuff + """
mytracker_upp = NewControlActionProc(mytracker);
"""
class MyObjectDefinition(GlobalObjectDefinition):
class MyObjectDefinition(ObjectIdentityMixin, GlobalObjectDefinition):
def outputCheckNewArg(self):
Output("if (itself == NULL) return PyMac_Error(resNotFound);")
def outputInitStructMembers(self):