Serialization of Callable now works with bind and unbind at the same time

Removed exclusivity between unbind and bind in many places, both on display elements, connection dock and within serialization.

A signal can now be connected with both unbound and bound arguments through the editor

editor/scene/connections_dialog.cpp

@@ -185,22 +185,6 @@ void ConnectDialog::_focus_currently_connected() {
 	tree->set_selected(source);
 }
 
-void ConnectDialog::_unbind_count_changed(double p_count) {
-	for (Control *control : bind_controls) {
-		BaseButton *b = Object::cast_to<BaseButton>(control);
-		if (b) {
-			b->set_disabled(p_count > 0);
-		}
-
-		EditorInspector *e = Object::cast_to<EditorInspector>(control);
-		if (e) {
-			e->set_read_only(p_count > 0);
-		}
-	}
-
-	append_source->set_disabled(p_count > 0);
-}
-
 void ConnectDialog::_method_selected() {
 	TreeItem *selected_item = method_tree->get_selected();
 	dst_method->set_text(selected_item->get_metadata(0));
@@ -295,10 +279,9 @@ List<MethodInfo> ConnectDialog::_filter_method_list(const List<MethodInfo> &p_me
 		PropertyInfo pi = p_signal.arguments[i];
 		effective_args.push_back(Pair(pi.type, pi.class_name));
 	}
-	if (unbind == 0) {
-		for (const Variant &variant : get_binds()) {
-			effective_args.push_back(Pair(variant.get_type(), StringName()));
-		}
+
+	for (const Variant &variant : get_binds()) {
+		effective_args.push_back(Pair(variant.get_type(), StringName()));
 	}
 
 	for (const MethodInfo &mi : p_methods) {
@@ -687,7 +670,6 @@ void ConnectDialog::init(const ConnectionData &p_cd, const PackedStringArray &p_
 
 	unbind_count->set_max(p_signal_args.size());
 	unbind_count->set_value(p_cd.unbinds);
-	_unbind_count_changed(p_cd.unbinds);
 
 	cdbinds->params.clear();
 	cdbinds->params = p_cd.binds;
@@ -872,7 +854,6 @@ ConnectDialog::ConnectDialog() {
 	unbind_count = memnew(SpinBox);
 	unbind_count->set_tooltip_text(TTR("Allows to drop arguments sent by signal emitter."));
 	unbind_count->set_accessibility_name(TTRC("Unbind Signal Arguments:"));
-	unbind_count->connect(SceneStringName(value_changed), callable_mp(this, &ConnectDialog::_unbind_count_changed));
 
 	vbc_right->add_margin_child(TTR("Unbind Signal Arguments:"), unbind_count);
 
@@ -963,9 +944,8 @@ void ConnectionsDock::_make_or_edit_connection() {
 	cd.signal = connect_dialog->get_signal_name();
 	cd.method = connect_dialog->get_dst_method_name();
 	cd.unbinds = connect_dialog->get_unbinds();
-	if (cd.unbinds == 0) {
-		cd.binds = connect_dialog->get_binds();
-	}
+	cd.binds = connect_dialog->get_binds();
+
 	bool b_deferred = connect_dialog->get_deferred();
 	bool b_oneshot = connect_dialog->get_one_shot();
 	bool b_append_source = connect_dialog->get_append_source();
@@ -1639,7 +1619,8 @@ void ConnectionsDock::update_tree() {
 				}
 				if (cd.unbinds > 0) {
 					path += " unbinds(" + itos(cd.unbinds) + ")";
-				} else if (!cd.binds.is_empty()) {
+				}
+				if (!cd.binds.is_empty()) {
 					path += " binds(";
 					for (int i = 0; i < cd.binds.size(); i++) {
 						if (i > 0) {

editor/scene/connections_dialog.h

@@ -72,20 +72,22 @@ public:
 				CallableCustomBind *ccb = dynamic_cast<CallableCustomBind *>(p_connection.callable.get_custom());
 				if (ccb) {
 					binds = ccb->get_binds();
-
-					// The source object may already be bound, ignore it to prevent display of the source object.
-					if ((flags & CONNECT_APPEND_SOURCE_OBJECT) && (source == binds[0])) {
-						binds.remove_at(0);
-					}
+					unbinds = ccb->get_unbound_arguments_count();
 
 					base_callable = ccb->get_callable();
 				}
 
 				CallableCustomUnbind *ccu = dynamic_cast<CallableCustomUnbind *>(p_connection.callable.get_custom());
 				if (ccu) {
+					ccu->get_bound_arguments(binds);
 					unbinds = ccu->get_unbinds();
 					base_callable = ccu->get_callable();
 				}
+
+				// The source object may already be bound, ignore it to prevent display of the source object.
+				if ((flags & CONNECT_APPEND_SOURCE_OBJECT) && (source == binds[0])) {
+					binds.remove_at(0);
+				}
 			} else {
 				base_callable = p_connection.callable;
 			}
@@ -93,17 +95,21 @@ public:
 		}
 
 		Callable get_callable() const {
-			if (unbinds > 0) {
-				return Callable(target, method).unbind(unbinds);
-			} else if (!binds.is_empty()) {
+			Callable callable = Callable(target, method);
+
+			if (!binds.is_empty()) {
 				const Variant **argptrs = (const Variant **)alloca(sizeof(Variant *) * binds.size());
 				for (int i = 0; i < binds.size(); i++) {
 					argptrs[i] = &binds[i];
 				}
-				return Callable(target, method).bindp(argptrs, binds.size());
-			} else {
-				return Callable(target, method);
+				callable = callable.bindp(argptrs, binds.size());
 			}
+
+			if (unbinds > 0) {
+				callable = callable.unbind(unbinds);
+			}
+
+			return callable;
 		}
 	};
 

scene/resources/packed_scene.cpp

@@ -593,23 +593,22 @@ Node *SceneState::instantiate(GenEditState p_edit_state) const {
 		}
 
 		Callable callable(cto, snames[c.method]);
+
+		Array binds;
+		if (c.flags & CONNECT_APPEND_SOURCE_OBJECT) {
+			binds.push_back(cfrom);
+		}
+
+		for (int bind : c.binds) {
+			binds.push_back(props[bind]);
+		}
+
+		if (!binds.is_empty()) {
+			callable = callable.bindv(binds);
+		}
+
 		if (c.unbinds > 0) {
 			callable = callable.unbind(c.unbinds);
-		} else {
-			Array binds;
-			if (c.flags & CONNECT_APPEND_SOURCE_OBJECT) {
-				binds.push_back(cfrom);
-			}
-
-			if (!c.binds.is_empty()) {
-				for (int j = 0; j < c.binds.size(); j++) {
-					binds.push_back(props[c.binds[j]]);
-				}
-			}
-
-			if (!binds.is_empty()) {
-				callable = callable.bindv(binds);
-			}
 		}
 
 		cfrom->connect(snames[c.signal], callable, CONNECT_PERSIST | c.flags | (p_edit_state == GEN_EDIT_STATE_MAIN ? 0 : CONNECT_INHERITED));
@@ -1083,20 +1082,22 @@ Error SceneState::_parse_connections(Node *p_owner, Node *p_node, HashMap<String
 				CallableCustomBind *ccb = dynamic_cast<CallableCustomBind *>(c.callable.get_custom());
 				if (ccb) {
 					binds = ccb->get_binds();
-
-					// The source object may already be bound, ignore it to avoid saving the source object.
-					if ((c.flags & CONNECT_APPEND_SOURCE_OBJECT) && (p_node == binds[0])) {
-						binds.remove_at(0);
-					}
+					unbinds = ccb->get_unbound_arguments_count();
 
 					base_callable = ccb->get_callable();
 				}
 
 				CallableCustomUnbind *ccu = dynamic_cast<CallableCustomUnbind *>(c.callable.get_custom());
 				if (ccu) {
+					ccu->get_bound_arguments(binds);
 					unbinds = ccu->get_unbinds();
 					base_callable = ccu->get_callable();
 				}
+
+				// The source object may already be bound, ignore it to avoid saving the source object.
+				if ((c.flags & CONNECT_APPEND_SOURCE_OBJECT) && (p_node == binds[0])) {
+					binds.remove_at(0);
+				}
 			} else {
 				base_callable = c.callable;
 			}