Parse description from node doc comments (#2089)

* Parse description from node doc comments

* Add node description tooltips

* Code review

---------

Co-authored-by: Adam G <[email protected]>
Co-authored-by: Keavon Chambers <[email protected]>

Author: 3 people

editor/src/dispatcher.rs

@@ -1,5 +1,6 @@
 use crate::messages::debug::utility_types::MessageLoggingVerbosity;
 use crate::messages::dialog::DialogMessageData;
+use crate::messages::portfolio::document::node_graph::document_node_definitions;
 use crate::messages::prelude::*;
 
 use graphene_core::text::Font;
@@ -137,6 +138,13 @@ impl Dispatcher {
 					// Load the default font
 					let font = Font::new(graphene_core::consts::DEFAULT_FONT_FAMILY.into(), graphene_core::consts::DEFAULT_FONT_STYLE.into());
 					queue.add(FrontendMessage::TriggerFontLoad { font, is_default: true });
+
+					// Send the information for tooltips and categories for each node/input.
+					queue.add(FrontendMessage::SendUIMetadata {
+						input_type_descriptions: Vec::new(),
+						node_descriptions: document_node_definitions::collect_node_descriptions(),
+						node_types: document_node_definitions::collect_node_types(),
+					});
 				}
 				Message::Batched(messages) => {
 					messages.iter().for_each(|message| self.handle_message(message.to_owned()));

editor/src/messages/frontend/frontend_message.rs

@@ -39,6 +39,16 @@ pub enum FrontendMessage {
 	},
 	DisplayRemoveEditableTextbox,
 
+	// Send prefix: Send global, static data to the frontend that is never updated
+	SendUIMetadata {
+		#[serde(rename = "inputTypeDescriptions")]
+		input_type_descriptions: Vec<(String, String)>,
+		#[serde(rename = "nodeDescriptions")]
+		node_descriptions: Vec<(String, String)>,
+		#[serde(rename = "nodeTypes")]
+		node_types: Vec<FrontendNodeType>,
+	},
+
 	// Trigger prefix: cause a browser API to do something
 	TriggerAboutGraphiteLocalizedCommitDate {
 		#[serde(rename = "commitDate")]
@@ -245,10 +255,6 @@ pub enum FrontendMessage {
 		id: NodeId,
 		value: String,
 	},
-	UpdateNodeTypes {
-		#[serde(rename = "nodeTypes")]
-		node_types: Vec<FrontendNodeType>,
-	},
 	UpdateOpenDocumentsList {
 		#[serde(rename = "openDocuments")]
 		open_documents: Vec<FrontendDocumentDetails>,