1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
10 typedef std::vector<PyObject*> FunctionList;
12 static FunctionList callbacks[OBActions::NUM_ACTIONS];
14 bool python_register(int action, PyObject *callback)
16 if (action < 0 || action >= OBActions::NUM_ACTIONS) {
17 PyErr_SetString(PyExc_AssertionError, "Invalid action type.");
20 if (!PyCallable_Check(callback)) {
21 PyErr_SetString(PyExc_AssertionError, "Invalid callback function.");
25 FunctionList::iterator it = std::find(callbacks[action].begin(),
26 callbacks[action].end(),
28 if (it == callbacks[action].end()) { // not already in there
29 Py_XINCREF(callback); // Add a reference to new callback
30 callbacks[action].push_back(callback);
35 bool python_unregister(int action, PyObject *callback)
37 if (action < 0 || action >= OBActions::NUM_ACTIONS) {
38 PyErr_SetString(PyExc_AssertionError, "Invalid action type.");
41 if (!PyCallable_Check(callback)) {
42 PyErr_SetString(PyExc_AssertionError, "Invalid callback function.");
46 FunctionList::iterator it = std::find(callbacks[action].begin(),
47 callbacks[action].end(),
49 if (it != callbacks[action].end()) { // its been registered before
50 Py_XDECREF(*it); // Dispose of previous callback
51 callbacks[action].erase(it);
56 void python_callback(OBActions::ActionType action, Window window,
57 OBWidget::WidgetType type, unsigned int state,
63 assert(action >= 0 && action < OBActions::NUM_ACTIONS);
65 arglist = Py_BuildValue("iliill", action, window, type, state, d1, d2);
67 FunctionList::iterator it, end = callbacks[action].end();
68 for (it = callbacks[action].begin(); it != end; ++it) {
70 result = PyEval_CallObject(*it, arglist);
74 // an exception occured in the script, display it