john/McRogueFace
1
0
Fork 0
Code Issues 33 Pull requests Projects Releases Wiki Activity

Fix: Derivable drawable types participate in garbage collector cycle detection

Browse source
This commit is contained in:
John McCardle 2026-01-27 13:21:10 -05:00
commit 86bfebefcb
8 changed files with 420 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

41
src/UIArc.h
View file

@ -118,14 +118,21 @@ namespace mcrfpydef {
.tp_itemsize = 0,
.tp_dealloc = (destructor)[](PyObject* self) {
PyUIArcObject* obj = (PyUIArcObject*)self;
PyObject_GC_UnTrack(self);
if (obj->weakreflist != NULL) {
PyObject_ClearWeakRefs(self);
}
if (obj->data) {
obj->data->click_unregister();
obj->data->on_enter_unregister();
obj->data->on_exit_unregister();
obj->data->on_move_unregister();
}
obj->data.reset();
Py_TYPE(self)->tp_free(self);
},
.tp_repr = (reprfunc)UIArc::repr,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
.tp_doc = PyDoc_STR(
"Arc(center=None, radius=0, start_angle=0, end_angle=90, color=None, thickness=1, **kwargs)\n\n"
"An arc UI element for drawing curved line segments.\n\n"
@ -162,6 +169,38 @@ namespace mcrfpydef {
" horiz_margin (float): Horizontal margin override\n"
" vert_margin (float): Vertical margin override\n"
),
.tp_traverse = [](PyObject* self, visitproc visit, void* arg) -> int {
PyUIArcObject* obj = (PyUIArcObject*)self;
if (obj->data) {
if (obj->data->click_callable) {
PyObject* cb = obj->data->click_callable->borrow();
if (cb && cb != Py_None) Py_VISIT(cb);
}
if (obj->data->on_enter_callable) {
PyObject* cb = obj->data->on_enter_callable->borrow();
if (cb && cb != Py_None) Py_VISIT(cb);
}
if (obj->data->on_exit_callable) {
PyObject* cb = obj->data->on_exit_callable->borrow();
if (cb && cb != Py_None) Py_VISIT(cb);
}
if (obj->data->on_move_callable) {
PyObject* cb = obj->data->on_move_callable->borrow();
if (cb && cb != Py_None) Py_VISIT(cb);
}
}
return 0;
},
.tp_clear = [](PyObject* self) -> int {
PyUIArcObject* obj = (PyUIArcObject*)self;
if (obj->data) {
obj->data->click_unregister();
obj->data->on_enter_unregister();
obj->data->on_exit_unregister();
obj->data->on_move_unregister();
}
return 0;
},
.tp_methods = UIArc_methods,
.tp_getset = UIArc::getsetters,
.tp_base = &mcrfpydef::PyDrawableType,