Fix regression with double-click in the Path tool not working

editor/src/messages/defer/defer_message.rs

@@ -3,6 +3,7 @@ use crate::messages::prelude::*;
 #[impl_message(Message, Defer)]
 #[derive(PartialEq, Clone, Debug, serde::Serialize, serde::Deserialize)]
 pub enum DeferMessage {
+	SetGraphSubmissionIndex(u64),
 	TriggerGraphRun(u64),
 	AfterGraphRun { messages: Vec<Message> },
 	TriggerNavigationReady,

editor/src/messages/defer/defer_message_handler.rs

@@ -17,15 +17,23 @@ impl MessageHandler<DeferMessage, ()> for DeferMessageHandler {
 			DeferMessage::AfterNavigationReady { messages } => {
 				self.after_viewport_resize.extend_from_slice(&messages);
 			}
+			DeferMessage::SetGraphSubmissionIndex(execution_id) => {
+				self.current_graph_submission_id = execution_id + 1;
+			}
 			DeferMessage::TriggerGraphRun(execution_id) => {
-				self.current_graph_submission_id = execution_id;
-				for message in self.after_graph_run.extract_if(.., |x| x.0 < self.current_graph_submission_id) {
-					responses.push_front(message.1);
+				if self.after_graph_run.is_empty() {
+					return;
+				}
+				// Find the index of the last message we can process
+				let num_elements_to_remove = self.after_graph_run.binary_search_by_key(&(execution_id + 1), |x| x.0).unwrap_or_else(|pos| pos - 1);
+				let elements = self.after_graph_run.drain(0..=num_elements_to_remove);
+				for (_, message) in elements.rev() {
+					responses.add_front(message);
 				}
 			}
 			DeferMessage::TriggerNavigationReady => {
-				for message in self.after_viewport_resize.drain(..) {
-					responses.push_front(message);
+				for message in self.after_viewport_resize.drain(..).rev() {
+					responses.add_front(message);
 				}
 			}
 		}

editor/src/messages/portfolio/document/document_message_handler.rs

@@ -1880,14 +1880,15 @@ impl DocumentMessageHandler {
 
 		let previous_network = std::mem::replace(&mut self.network_interface, network_interface);
 
+		// Push the UpdateOpenDocumentsList message to the bus in order to update the save status of the open documents
+		responses.add(PortfolioMessage::UpdateOpenDocumentsList);
+		responses.add(NodeGraphMessage::SelectedNodesUpdated);
+		responses.add(NodeGraphMessage::ForceRunDocumentGraph);
+
 		// TODO: Remove once the footprint is used to load the imports/export distances from the edge
-		responses.push_front(NodeGraphMessage::UnloadWires.into());
-		responses.push_front(NodeGraphMessage::SetGridAlignedEdges.into());
+		responses.add(NodeGraphMessage::UnloadWires);
+		responses.add(NodeGraphMessage::SetGridAlignedEdges);
 
-		// Push the UpdateOpenDocumentsList message to the bus in order to update the save status of the open documents
-		responses.push_front(NodeGraphMessage::ForceRunDocumentGraph.into());
-		responses.push_front(NodeGraphMessage::SelectedNodesUpdated.into());
-		responses.push_front(PortfolioMessage::UpdateOpenDocumentsList.into());
 		Some(previous_network)
 	}
 	pub fn redo_with_history(&mut self, ipp: &InputPreprocessorMessageHandler, responses: &mut VecDeque<Message>) {

editor/src/messages/portfolio/portfolio_message_handler.rs

@@ -363,13 +363,15 @@ impl MessageHandler<PortfolioMessage, PortfolioMessageContext<'_>> for Portfolio
 				self.executor.update_font_cache(self.persistent_data.font_cache.clone());
 				for document_id in self.document_ids.iter() {
 					let inspect_node = self.inspect_node_id();
-					let _ = self.executor.submit_node_graph_evaluation(
+					if let Ok(message) = self.executor.submit_node_graph_evaluation(
 						self.documents.get_mut(document_id).expect("Tried to render non-existent document"),
 						ipp.viewport_bounds.size().as_uvec2(),
 						timing_information,
 						inspect_node,
 						true,
-					);
+					) {
+						responses.add(message);
+					}
 				}
 
 				if self.active_document_mut().is_some() {
@@ -846,11 +848,14 @@ impl MessageHandler<PortfolioMessage, PortfolioMessageContext<'_>> for Portfolio
 					ignore_hash,
 				);
 
-				if let Err(description) = result {
-					responses.add(DialogMessage::DisplayDialogError {
-						title: "Unable to update node graph".to_string(),
-						description,
-					});
+				match result {
+					Err(description) => {
+						responses.add(DialogMessage::DisplayDialogError {
+							title: "Unable to update node graph".to_string(),
+							description,
+						});
+					}
+					Ok(message) => responses.add(message),
 				}
 			}
 			PortfolioMessage::ToggleRulers => {

editor/src/messages/prelude.rs

@@ -67,10 +67,12 @@ pub trait Responses {
 }
 
 impl Responses for VecDeque<Message> {
+	#[inline(always)]
 	fn add(&mut self, message: impl Into<Message>) {
 		self.push_back(message.into());
 	}
 
+	#[inline(always)]
 	fn add_front(&mut self, message: impl Into<Message>) {
 		self.push_front(message.into());
 	}

editor/src/messages/tool/tool_messages/path_tool.rs

@@ -2229,7 +2229,9 @@ impl Fsm for PathToolFsmState {
 				tool_data.snapping_axis = None;
 				tool_data.sliding_point_info = None;
 
-				responses.add(DocumentMessage::EndTransaction);
+				if drag_occurred || extend_selection {
+					responses.add(DocumentMessage::EndTransaction);
+				}
 				responses.add(PathToolMessage::SelectedPointUpdated);
 				tool_data.snap_manager.cleanup(responses);
 				tool_data.opposite_handle_position = None;
@@ -2282,7 +2284,9 @@ impl Fsm for PathToolFsmState {
 						tool_data.saved_points_before_anchor_convert_smooth_sharp.clear();
 
 						responses.add(DocumentMessage::EndTransaction);
-						responses.add(PathToolMessage::SelectedPointUpdated);
+						responses.add(DeferMessage::AfterGraphRun {
+							messages: vec![PathToolMessage::SelectedPointUpdated.into()],
+						});
 					}
 
 					return PathToolFsmState::Ready;

editor/src/node_graph_executor.rs

@@ -133,7 +133,7 @@ impl NodeGraphExecutor {
 	}
 
 	/// Adds an evaluate request for whatever current network is cached.
-	pub(crate) fn submit_current_node_graph_evaluation(&mut self, document: &mut DocumentMessageHandler, viewport_resolution: UVec2, time: TimingInformation) -> Result<(), String> {
+	pub(crate) fn submit_current_node_graph_evaluation(&mut self, document: &mut DocumentMessageHandler, viewport_resolution: UVec2, time: TimingInformation) -> Result<Message, String> {
 		let render_config = RenderConfig {
 			viewport: Footprint {
 				transform: document.metadata().document_to_viewport,
@@ -155,7 +155,7 @@ impl NodeGraphExecutor {
 
 		self.futures.insert(execution_id, ExecutionContext { export_config: None });
 
-		Ok(())
+		Ok(DeferMessage::SetGraphSubmissionIndex(execution_id).into())
 	}
 
 	/// Evaluates a node graph, computing the entire graph
@@ -166,11 +166,9 @@ impl NodeGraphExecutor {
 		time: TimingInformation,
 		inspect_node: Option<NodeId>,
 		ignore_hash: bool,
-	) -> Result<(), String> {
+	) -> Result<Message, String> {
 		self.update_node_graph(document, inspect_node, ignore_hash)?;
-		self.submit_current_node_graph_evaluation(document, viewport_resolution, time)?;
-
-		Ok(())
+		self.submit_current_node_graph_evaluation(document, viewport_resolution, time)
 	}
 
 	/// Evaluates a node graph for export