godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2025-11-04 12:00:25 +00:00
Code Releases Wiki Activity

[Core] Add way to check if a signal has any connections

Browse Source 
Added to `Object` and `Signal`
This commit is contained in:
A Thousand Ships
2024-01-18 17:20:56 +01:00
parent 2be730a05b
commit 203d3be200
9 changed files with 49 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
core/object/object.cpp
View File

@@ -1457,6 +1457,24 @@ bool Object::is_connected(const StringName &p_signal, const Callable &p_callable
return s->slot_map.has(*p_callable.get_base_comparator());
}
bool Object::has_connections(const StringName &p_signal) const {
const SignalData *s = signal_map.getptr(p_signal);
if (!s) {
bool signal_is_valid = ClassDB::has_signal(get_class_name(), p_signal);
if (signal_is_valid) {
return false;
}
if (!script.is_null() && Ref<Script>(script)->has_script_signal(p_signal)) {
return false;
}
ERR_FAIL_V_MSG(false, "Nonexistent signal: " + p_signal + ".");
}
return !s->slot_map.is_empty();
}
void Object::disconnect(const StringName &p_signal, const Callable &p_callable) {
_disconnect(p_signal, p_callable);
}
@@ -1697,6 +1715,7 @@ void Object::_bind_methods() {
ClassDB::bind_method(D_METHOD("connect", "signal", "callable", "flags"), &Object::connect, DEFVAL(0));
ClassDB::bind_method(D_METHOD("disconnect", "signal", "callable"), &Object::disconnect);
ClassDB::bind_method(D_METHOD("is_connected", "signal", "callable"), &Object::is_connected);
ClassDB::bind_method(D_METHOD("has_connections", "signal"), &Object::has_connections);
ClassDB::bind_method(D_METHOD("set_block_signals", "enable"), &Object::set_block_signals);
ClassDB::bind_method(D_METHOD("is_blocking_signals"), &Object::is_blocking_signals);