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

Added to `Object` and `Signal`

3 files changed, 9 insertions, 0 deletions

diff --git a/core/variant/callable.cpp b/core/variant/callable.cpp
index 9dff5c1e91..bb2d0313f6 100644
--- a/core/variant/callable.cpp
+++ b/core/variant/callable.cpp
@@ -545,6 +545,13 @@ bool Signal::is_connected(const Callable &p_callable) const {
 	return obj->is_connected(name, p_callable);
 }
 
+bool Signal::has_connections() const {
+	Object *obj = get_object();
+	ERR_FAIL_NULL_V(obj, false);
+
+	return obj->has_connections(name);
+}
+
 Array Signal::get_connections() const {
 	Object *obj = get_object();
 	if (!obj) {
diff --git a/core/variant/callable.h b/core/variant/callable.h
index 63757d9d6e..e3c940a0e5 100644
--- a/core/variant/callable.h
+++ b/core/variant/callable.h
@@ -192,6 +192,7 @@ public:
 	Error connect(const Callable &p_callable, uint32_t p_flags = 0);
 	void disconnect(const Callable &p_callable);
 	bool is_connected(const Callable &p_callable) const;
+	bool has_connections() const;
 
 	Array get_connections() const;
 	Signal(const Object *p_object, const StringName &p_name);
diff --git a/core/variant/variant_call.cpp b/core/variant/variant_call.cpp
index 178c0bc4ec..63fb5e8d94 100644
--- a/core/variant/variant_call.cpp
+++ b/core/variant/variant_call.cpp
@@ -2121,6 +2121,7 @@ static void _register_variant_builtin_methods_misc() {
 	bind_method(Signal, disconnect, sarray("callable"), varray());
 	bind_method(Signal, is_connected, sarray("callable"), varray());
 	bind_method(Signal, get_connections, sarray(), varray());
+	bind_method(Signal, has_connections, sarray(), varray());
 
 	bind_custom(Signal, emit, _VariantCall::func_Signal_emit, false, Variant);