// Conversion for WPARAM and LPARAM
// (WPARAM is defined as UINT_PTR, and LPARAM is defined as LONG_PTR - see
// pywintypes.h for inline functions to resolve this)
BOOL PyWinObject_AsPARAM(PyObject *ob, WPARAM *pparam)
{
assert(!PyErr_Occurred()); // lingering exception?
if (ob==NULL || ob==Py_None){
*pparam=NULL;
return TRUE;
}
// XXX - why this UNICODE block? Can't we just do both anyway? Maybe
// just via the buffer interface?
#ifdef UNICODE
#define TCHAR_DESC "Unicode"
if (PyUnicode_Check(ob)){
*pparam = (WPARAM)PyUnicode_AS_UNICODE(ob);
return TRUE;
}
#else
#define TCHAR_DESC "String"
if (PyString_Check(ob)){
*pparam = (WPARAM)PyString_AS_STRING(ob);
return TRUE;
}
#endif
DWORD bufsize;
if (PyWinObject_AsReadBuffer(ob, (VOID **)pparam, &bufsize))
return TRUE;
PyErr_Clear();
if (PyWinLong_AsVoidPtr(ob, (void **)pparam))
return TRUE;
PyErr_Format(PyExc_TypeError,
"WPARAM must be a " TCHAR_DESC ", int, or buffer object (got %s)",
ob->ob_type->tp_name);
return FALSE;
}
// @object PyResourceId|Identifies a resource or function in a module.
// This can be a WORD-sized integer value (0-65536), or string/unicode
// depending on whether the *A or *W API function is to be called.
// Class atoms as used with <om win32gui.CreateWindow> are also treated
// as resource ids since they can also be represented by a name or WORD id.
// When passing resource names and types as strings, they are usually formatted
// as a pound sign followed by decimal form of the id. ('#42' for example)
BOOL PyWinObject_AsResourceIdA(PyObject *ob, char **presource_id, BOOL bNoneOK)
{
// Plain character conversion
if (PyWinObject_AsString(ob, presource_id, bNoneOK))
return TRUE;
PyErr_Clear();
if (PyWinLong_AsVoidPtr(ob, (void **)presource_id) && IS_INTRESOURCE(*presource_id))
return TRUE;
*presource_id=NULL;
PyErr_SetString(PyExc_TypeError, "Resource id/name must be string or int in the range 0-65536");
return FALSE;
}
BOOL PyWinObject_AsResourceIdW(PyObject *ob, WCHAR **presource_id, BOOL bNoneOK)
{
// Unicode version of above
if (PyWinObject_AsWCHAR(ob, presource_id, bNoneOK))
return TRUE;
PyErr_Clear();
if (PyWinLong_AsVoidPtr(ob, (void **)presource_id) && IS_INTRESOURCE(*presource_id))
return TRUE;
*presource_id=NULL;
PyErr_SetString(PyExc_TypeError, "Resource id/name must be unicode or int in the range 0-65536");
return FALSE;
}
// @pymethod boolean|timer|kill_timer|Creates a timer that executes a callback function
// @comm Uses the KillTimer API function.
static PyObject *
py_timer_kill_timer (PyObject * self, PyObject * args)
{
PyObject * py_timer_id;
UINT_PTR timer_id;
if (!PyArg_ParseTuple (args, "O:kill_timer",
&py_timer_id)) // @pyparm int|IDEvent||Timer id as returned by <om timer.set_timer>
return NULL;
if (!PyWinLong_AsVoidPtr(py_timer_id, (void **)&timer_id))
return NULL;
if (timer_id_callback_map)
if (0 != PyDict_DelItem (timer_id_callback_map, py_timer_id))
return NULL;
BOOL rc;
Py_BEGIN_ALLOW_THREADS;
rc = ::KillTimer (NULL, timer_id);
Py_END_ALLOW_THREADS;
return PyBool_FromLong(rc);
}
BOOL PySocket_AsSOCKET
//-------------------------------------------------------------------------
// Helper function for dealing with socket arguments.
(
PyObject *obSocket,
// [in] Python object being converted into a SOCKET handle.
SOCKET *ps
// [out] Returned socket handle
)
{
PyObject *o = NULL;
PyObject *out = NULL;
// Most common case, a python socket object (which apparently has no public C API)
o = PyObject_GetAttrString(obSocket, "fileno");
if (o == NULL){
// Not a socket object, attempt direct conversion to integer handle
PyErr_Clear();
out=obSocket;
Py_INCREF(out);
}
else if (PyCallable_Check(o)){
// Normal socket object, whose fileno() method returns the integer handle
out = PyObject_CallObject(o, NULL);
Py_DECREF(o);
if (out==NULL)
return FALSE;
}
else // ??? fileno may be a number, rather than a method that returns a number ???
out=o;
BOOL bsuccess=PyWinLong_AsVoidPtr(out, (void **)ps);
Py_DECREF(out);
if (!bsuccess){
PyErr_Clear();
PyErr_SetString(PyExc_TypeError, "Expected a socket object or numeric socket handle");
}
return bsuccess;
}
