Fix wrong node parameter widgets, attempt 3 at #2323 (#2334)

* WIP, for TrueDoctor to continue

* Expose first implementation type as default type in field metadata

* Cleanup

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

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

@@ -2697,7 +2697,8 @@ fn static_nodes() -> Vec<DocumentNodeDefinition> {
 			.iter()
 			.zip(first_node_io.inputs.iter())
 			.enumerate()
-			.map(|(index, (field, ty))| {
+			.map(|(index, (field, node_io_ty))| {
+				let ty = field.default_type.as_ref().unwrap_or(node_io_ty);
 				let exposed = if index == 0 { *ty != fn_type!(()) } else { field.exposed };
 
 				match field.value_source {

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

@@ -6,6 +6,7 @@ use crate::messages::layout::utility_types::widget_prelude::*;
 use crate::messages::portfolio::document::utility_types::network_interface::InputConnector;
 use crate::messages::prelude::*;
 
+use dyn_any::DynAny;
 use graph_craft::document::value::TaggedValue;
 use graph_craft::document::{DocumentNode, DocumentNodeImplementation, NodeId, NodeInput};
 use graph_craft::imaginate_input::{ImaginateMaskStartingFill, ImaginateSamplingMethod};
@@ -2128,7 +2129,7 @@ pub(crate) fn generate_node_properties(node_id: NodeId, context: &mut NodeProper
 
 				let mut number_options = (None, None, None);
 				let input_type = match implementation {
-					DocumentNodeImplementation::ProtoNode(proto_node_identifier) => {
+					DocumentNodeImplementation::ProtoNode(proto_node_identifier) => 'early_return: {
 						if let Some(field) = graphene_core::registry::NODE_METADATA
 							.lock()
 							.unwrap()
@@ -2136,16 +2137,22 @@ pub(crate) fn generate_node_properties(node_id: NodeId, context: &mut NodeProper
 							.and_then(|metadata| metadata.fields.get(input_index))
 						{
 							number_options = (field.number_min, field.number_max, field.number_mode_range);
+							if let Some(ref default) = field.default_type {
+								break 'early_return default.clone();
+							}
 						}
 						let Some(implementations) = &interpreted_executor::node_registry::NODE_REGISTRY.get(proto_node_identifier) else {
 							log::error!("Could not get implementation for protonode {proto_node_identifier:?}");
 							return Vec::new();
 						};
 						let proto_node_identifier = proto_node_identifier.clone();
-						let input_type = implementations
+						let mut input_types = implementations
 							.keys()
 							.filter_map(|item| item.inputs.get(input_index))
-							.find(|item| property_from_type(node_id, input_index, item, number_options, context).is_ok());
+							.filter(|ty| property_from_type(node_id, input_index, ty, number_options, context).is_ok())
+							.collect::<Vec<_>>();
+						input_types.sort_by_key(|ty| ty.type_name());
+						let input_type = input_types.first().cloned();
 						let Some(input_type) = input_type else {
 							log::error!("Could not get input type for protonode {proto_node_identifier:?} at index {input_index:?}");
 							return Vec::new();

node-graph/gcore/src/registry.rs

@@ -1,14 +1,13 @@
+use crate::transform::Footprint;
+use crate::{NodeIO, NodeIOTypes, Type};
+
+use dyn_any::DynAny;
+
 use std::collections::HashMap;
 use std::ops::Deref;
 use std::pin::Pin;
 use std::sync::{LazyLock, Mutex};
 
-use dyn_any::DynAny;
-
-use crate::transform::Footprint;
-use crate::NodeIO;
-use crate::NodeIOTypes;
-
 pub mod types {
 	/// 0% - 100%
 	pub type Percentage = f64;
@@ -47,6 +46,7 @@ pub struct FieldMetadata {
 	pub exposed: bool,
 	pub widget_override: RegistryWidgetOverride,
 	pub value_source: RegistryValueSource,
+	pub default_type: Option<Type>,
 	pub number_min: Option<f64>,
 	pub number_max: Option<f64>,
 	pub number_mode_range: Option<(f64, f64)>,

node-graph/node-macro/src/codegen.rs

@@ -117,6 +117,17 @@ pub(crate) fn generate_node_code(parsed: &ParsedNodeFn) -> syn::Result<TokenStre
 		})
 		.collect();
 
+	let default_types: Vec<_> = fields
+		.iter()
+		.map(|field| match field {
+			ParsedField::Regular { implementations, .. } => match implementations.first() {
+				Some(ty) => quote!(Some(concrete!(#ty))),
+				_ => quote!(None),
+			},
+			_ => quote!(None),
+		})
+		.collect();
+
 	let number_min_values: Vec<_> = fields
 		.iter()
 		.map(|field| match field {
@@ -292,6 +303,7 @@ pub(crate) fn generate_node_code(parsed: &ParsedNodeFn) -> syn::Result<TokenStre
 								description: #input_descriptions,
 								exposed: #exposed,
 								value_source: #value_sources,
+								default_type: #default_types,
 								number_min: #number_min_values,
 								number_max: #number_max_values,
 								number_mode_range: #number_mode_range_values,