Improve clarify of type errors and tooltip diagnostics

editor/src/messages/portfolio/document/node_graph/node_graph_message_handler.rs

@@ -2234,7 +2234,7 @@ impl NodeGraphMessageHandler {
 			let mut inputs = inputs.into_iter().map(|input| {
 				input.map(|input| FrontendGraphInput {
 					data_type: FrontendGraphDataType::displayed_type(&input.ty, &input.type_source),
-					resolved_type: Some(format!("{:?} from {:?}", &input.ty, input.type_source)),
+					resolved_type: Some(format!("{:?}", &input.ty)),
 					valid_types: input.valid_types.iter().map(|ty| ty.to_string()).collect(),
 					name: input.input_name.unwrap_or_else(|| input.ty.nested_type().to_string()),
 					description: input.input_description.unwrap_or_default(),
@@ -2258,7 +2258,7 @@ impl NodeGraphMessageHandler {
 					data_type: frontend_data_type,
 					name: "Output 1".to_string(),
 					description: String::new(),
-					resolved_type: primary_output_type.map(|(input, type_source)| format!("{input:?} from {type_source:?}")),
+					resolved_type: primary_output_type.map(|(input, _)| format!("{input:?}")),
 					connected_to,
 				})
 			} else {
@@ -2292,7 +2292,7 @@ impl NodeGraphMessageHandler {
 					data_type: frontend_data_type,
 					name: output_name,
 					description: String::new(),
-					resolved_type: exposed_output.clone().map(|(input, type_source)| format!("{input:?} from {type_source:?}")),
+					resolved_type: exposed_output.clone().map(|(input, _)| format!("{input:?}")),
 					connected_to,
 				});
 			}

editor/src/messages/portfolio/document/utility_types/network_interface.rs

@@ -816,7 +816,7 @@ impl NodeNetworkInterface {
 								data_type,
 								name: import_name,
 								description: String::new(),
-								resolved_type: Some(format!("{input_type:?} from {type_source:?}")),
+								resolved_type: Some(format!("{input_type:?}")),
 								connected_to,
 							},
 							click_target,
@@ -901,7 +901,7 @@ impl NodeNetworkInterface {
 							data_type: frontend_data_type,
 							name: export_name,
 							description: String::new(),
-							resolved_type: input_type.map(|(export_type, source)| format!("{export_type:?} from {source:?}")),
+							resolved_type: input_type.map(|(export_type, _source)| format!("{export_type:?}")),
 							valid_types: self.valid_input_types(&InputConnector::Export(*export_index), network_path).iter().map(|ty| ty.to_string()).collect(),
 							connected_to,
 						},

frontend/src/components/views/Graph.svelte

@@ -581,11 +581,12 @@
 	}
 
 	function dataTypeTooltip(value: FrontendGraphInput | FrontendGraphOutput): string {
-		return value.resolvedType ? `Resolved Data:\n${value.resolvedType}` : `Unresolved Data ${value.dataType}`;
+		return value.resolvedType ? `Data Type:\n${value.resolvedType}` : `Data Type (Unresolved):\n${value.dataType}`;
 	}
 
 	function validTypesText(value: FrontendGraphInput): string {
-		return `Valid Types:\n${value.validTypes.join(",\n ")}`;
+		const validTypes = value.validTypes.length > 0 ? value.validTypes.map((x) => `• ${x}`).join("\n") : "None";
+		return `Valid Types:\n${validTypes}`;
 	}
 
 	function outputConnectedToText(output: FrontendGraphOutput): string {

node-graph/gcore/src/types.rs

@@ -324,26 +324,30 @@ fn format_type(ty: &str) -> String {
 
 impl core::fmt::Debug for Type {
 	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
-		match self {
+		let result = match self {
-			Self::Generic(arg0) => write!(f, "Generic<{arg0}>"),
+			Self::Generic(name) => name.to_string(),
 			#[cfg(feature = "type_id_logging")]
-			Self::Concrete(arg0) => write!(f, "Concrete<{}, {:?}>", arg0.name, arg0.id),
+			Self::Concrete(ty) => format!("Concrete<{}, {:?}>", ty.name, ty.id),
 			#[cfg(not(feature = "type_id_logging"))]
-			Self::Concrete(arg0) => write!(f, "Concrete<{}>", format_type(&arg0.name)),
+			Self::Concrete(ty) => format_type(&ty.name),
-			Self::Fn(arg0, arg1) => write!(f, "{arg0:?} → {arg1:?}"),
+			Self::Fn(call_arg, return_value) => format!("{return_value:?} called with {call_arg:?}"),
-			Self::Future(arg0) => write!(f, "Future<{arg0:?}>"),
+			Self::Future(ty) => format!("{ty:?}"),
-		}
+		};
+		let result = result.replace("Option<Arc<OwnedContextImpl>>", "Context");
+		write!(f, "{}", result)
 	}
 }
 
 impl std::fmt::Display for Type {
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-		match self {
+		let result = match self {
-			Type::Generic(name) => write!(f, "{name}"),
+			Type::Generic(name) => name.to_string(),
-			Type::Concrete(ty) => write!(f, "{}", format_type(&ty.name)),
+			Type::Concrete(ty) => format_type(&ty.name),
-			Type::Fn(input, output) => write!(f, "{input} → {output}"),
+			Type::Fn(call_arg, return_value) => format!("{return_value} called with {call_arg}"),
-			Type::Future(ty) => write!(f, "Future<{ty}>"),
+			Type::Future(ty) => ty.to_string(),
-		}
+		};
+		let result = result.replace("Option<Arc<OwnedContextImpl>>", "Context");
+		write!(f, "{}", result)
 	}
 }
 

node-graph/graph-craft/src/proto.rs

@@ -552,19 +552,36 @@ impl core::fmt::Debug for GraphErrorType {
 			GraphErrorType::NoImplementations => write!(f, "No implementations found"),
 			GraphErrorType::NoConstructor => write!(f, "No construct found for node"),
 			GraphErrorType::InvalidImplementations { inputs, error_inputs } => {
-				let format_error = |(index, (_found, expected)): &(usize, (Type, Type))| format!("• Input {}: {expected}, found: {_found}", index + 1);
+				let format_error = |(index, (found, expected)): &(usize, (Type, Type))| {
-				let format_error_list = |errors: &Vec<(usize, (Type, Type))>| errors.iter().map(format_error).collect::<Vec<_>>().join("\n").replace("Option<Arc<OwnedContextImpl>>", "Context");
+					let index = index + 1;
+					format!(
+						"\
+						• Input {index}:\n\
+						…found:       {found}\n\
+						…expected: {expected}\
+						"
+					)
+				};
+				let format_error_list = |errors: &Vec<(usize, (Type, Type))>| errors.iter().map(format_error).collect::<Vec<_>>().join("\n");
 				let mut errors = error_inputs.iter().map(format_error_list).collect::<Vec<_>>();
 				errors.sort();
-				let inputs = inputs.replace("Option<Arc<OwnedContextImpl>>", "Context");
+				let errors = errors.join("\n");
+				let incompatibility = if errors.chars().filter(|&c| c == '•').count() == 1 {
+					"This input type is incompatible:"
+				} else {
+					"These input types are incompatible:"
+				};
+
 				write!(
 					f,
-					"This node isn't compatible with the combination of types for the data it is given:\n\
+					"\
-					{inputs}\n\
+					{incompatibility}\n\
+					{errors}\n\
 					\n\
-					Each invalid input should be replaced by data with one of these supported types:\n\
+					The node is currently receiving all of the following input types:\n\
-					{}",
+					{inputs}\n\
-					errors.join("\n")
+					This is not a supported arrangement of types for the node.\
+					"
 				)
 			}
 			GraphErrorType::MultipleImplementations { inputs, valid } => write!(f, "Multiple implementations found ({inputs}):\n{valid:#?}"),