Ejemplo n.º 1
0
// 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;
}
Ejemplo n.º 2
0
// @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;
}
Ejemplo n.º 3
0
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;
}
Ejemplo n.º 4
0
// @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);
}
Ejemplo n.º 5
0
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;
}