PyObject *pyrna_callback_add(BPy_StructRNA *self, PyObject *args)
{
void *handle;
PyObject *cb_func, *cb_args;
char *cb_event_str = NULL;
int cb_event;
if (!PyArg_ParseTuple(args, "OO!|s:bpy_struct.callback_add", &cb_func, &PyTuple_Type, &cb_args, &cb_event_str))
return NULL;
if (!PyCallable_Check(cb_func)) {
PyErr_SetString(PyExc_TypeError, "callback_add(): first argument isn't callable");
return NULL;
}
if (RNA_struct_is_a(self->ptr.type, &RNA_Region)) {
if (cb_event_str) {
static EnumPropertyItem region_draw_mode_items[] = {
{REGION_DRAW_POST_PIXEL, "POST_PIXEL", 0, "Post Pixel", ""},
{REGION_DRAW_POST_VIEW, "POST_VIEW", 0, "Post View", ""},
{REGION_DRAW_PRE_VIEW, "PRE_VIEW", 0, "Pre View", ""},
{0, NULL, 0, NULL, NULL}};
if (pyrna_enum_value_from_id(region_draw_mode_items, cb_event_str, &cb_event, "bpy_struct.callback_add()") < 0) {
return NULL;
}
}
else {
cb_event = REGION_DRAW_POST_PIXEL;
}
handle = ED_region_draw_cb_activate(((ARegion *)self->ptr.data)->type, cb_region_draw, (void *)args, cb_event);
Py_INCREF(args);
}
else {
PyErr_SetString(PyExc_TypeError, "callback_add(): type does not suppport callbacks");
return NULL;
}
return PyCapsule_New((void *)handle, RNA_CAPSULE_ID, NULL);
}
PyObject *pyrna_callback_classmethod_remove(PyObject *UNUSED(self), PyObject *args)
{
PyObject *cls;
PyObject *py_handle;
void *handle;
void *customdata;
StructRNA *srna;
char *cb_regiontype_str;
int cb_regiontype;
if (PyTuple_GET_SIZE(args) < 2) {
PyErr_SetString(PyExc_ValueError, "callback_remove(handle): expected at least 2 args");
return NULL;
}
cls = PyTuple_GET_ITEM(args, 0);
if (!(srna = pyrna_struct_as_srna(cls, false, "callback_remove"))) {
return NULL;
}
py_handle = PyTuple_GET_ITEM(args, 1);
handle = PyCapsule_GetPointer(py_handle, RNA_CAPSULE_ID);
if (handle == NULL) {
PyErr_SetString(PyExc_ValueError, "callback_remove(handle): NULL handle given, invalid or already removed");
return NULL;
}
if (RNA_struct_is_a(srna, &RNA_Space)) {
if (!PyArg_ParseTuple(args, "OO!s:Space.draw_handler_remove",
&cls, &PyCapsule_Type, &py_handle, /* already assigned, no matter */
&cb_regiontype_str))
{
return NULL;
}
customdata = ED_region_draw_cb_customdata(handle);
Py_DECREF((PyObject *)customdata);
if (pyrna_enum_value_from_id(region_type_items, cb_regiontype_str, &cb_regiontype, "bpy_struct.callback_remove()") == -1) {
return NULL;
}
else {
const eSpace_Type spaceid = rna_Space_refine_reverse(srna);
if (spaceid == -1) {
PyErr_Format(PyExc_TypeError, "unknown space type '%.200s'", RNA_struct_identifier(srna));
return NULL;
}
else {
SpaceType *st = BKE_spacetype_from_id(spaceid);
ARegionType *art = BKE_regiontype_from_id(st, cb_regiontype);
ED_region_draw_cb_exit(art, handle);
}
}
}
else {
PyErr_SetString(PyExc_TypeError, "callback_remove(): type does not support callbacks");
return NULL;
}
/* don't allow reuse */
PyCapsule_SetName(py_handle, RNA_CAPSULE_ID_INVALID);
Py_RETURN_NONE;
}
PyObject *pyrna_callback_classmethod_add(PyObject *UNUSED(self), PyObject *args)
{
void *handle;
PyObject *cls;
PyObject *cb_func, *cb_args;
char *cb_regiontype_str;
char *cb_event_str;
int cb_event;
int cb_regiontype;
StructRNA *srna;
if (PyTuple_GET_SIZE(args) < 2) {
PyErr_SetString(PyExc_ValueError, "handler_add(handle): expected at least 2 args");
return NULL;
}
cls = PyTuple_GET_ITEM(args, 0);
if (!(srna = pyrna_struct_as_srna(cls, false, "handler_add"))) {
return NULL;
}
cb_func = PyTuple_GET_ITEM(args, 1);
if (!PyCallable_Check(cb_func)) {
PyErr_SetString(PyExc_TypeError, "first argument isn't callable");
return NULL;
}
/* class specific callbacks */
if (RNA_struct_is_a(srna, &RNA_Space)) {
if (!PyArg_ParseTuple(args, "OOO!ss:Space.draw_handler_add",
&cls, &cb_func, /* already assigned, no matter */
&PyTuple_Type, &cb_args, &cb_regiontype_str, &cb_event_str))
{
return NULL;
}
if (pyrna_enum_value_from_id(region_draw_mode_items, cb_event_str, &cb_event, "bpy_struct.callback_add()") == -1) {
return NULL;
}
else if (pyrna_enum_value_from_id(region_type_items, cb_regiontype_str, &cb_regiontype, "bpy_struct.callback_add()") == -1) {
return NULL;
}
else {
const eSpace_Type spaceid = rna_Space_refine_reverse(srna);
if (spaceid == -1) {
PyErr_Format(PyExc_TypeError, "unknown space type '%.200s'", RNA_struct_identifier(srna));
return NULL;
}
else {
SpaceType *st = BKE_spacetype_from_id(spaceid);
ARegionType *art = BKE_regiontype_from_id(st, cb_regiontype);
handle = ED_region_draw_cb_activate(art, cb_region_draw, (void *)args, cb_event);
Py_INCREF(args);
}
}
}
else {
PyErr_SetString(PyExc_TypeError, "callback_add(): type does not support callbacks");
return NULL;
}
return PyCapsule_New((void *)handle, RNA_CAPSULE_ID, NULL);
}