improve viewport

editor/src/dispatcher.rs

@@ -1,4 +1,5 @@
 use crate::messages::debug::utility_types::MessageLoggingVerbosity;
+use crate::messages::defer::DeferMessageContext;
 use crate::messages::dialog::DialogMessageContext;
 use crate::messages::layout::layout_message_handler::LayoutMessageContext;
 use crate::messages::prelude::*;
@@ -133,7 +134,13 @@ impl Dispatcher {
 					self.message_handlers.debug_message_handler.process_message(message, &mut queue, ());
 				}
 				Message::Defer(message) => {
-					self.message_handlers.defer_message_handler.process_message(message, &mut queue, ());
+					self.message_handlers.defer_message_handler.process_message(
+						message,
+						&mut queue,
+						DeferMessageContext {
+							viewport_bounds: self.message_handlers.input_preprocessor_message_handler.viewport_bounds,
+						},
+					);
 				}
 				Message::Dialog(message) => {
 					let context = DialogMessageContext {

editor/src/messages/defer/defer_message_handler.rs

@@ -1,4 +1,9 @@
-use crate::messages::prelude::*;
+use crate::messages::{input_mapper::utility_types::input_mouse::ViewportBounds, prelude::*};
+
+#[derive(ExtractField)]
+pub struct DeferMessageContext {
+	viewport_bounds: ViewportBounds,
+}
 
 #[derive(Debug, Default, ExtractField)]
 pub struct DeferMessageHandler {
@@ -8,14 +13,20 @@ pub struct DeferMessageHandler {
 }
 
 #[message_handler_data]
-impl MessageHandler<DeferMessage, ()> for DeferMessageHandler {
-	fn process_message(&mut self, message: DeferMessage, responses: &mut VecDeque<Message>, _: ()) {
+impl MessageHandler<DeferMessage, DeferMessageContext> for DeferMessageHandler {
+	fn process_message(&mut self, message: DeferMessage, responses: &mut VecDeque<Message>, context: DeferMessageContext) {
 		match message {
 			DeferMessage::AfterGraphRun { mut messages } => {
 				self.after_graph_run.extend(messages.drain(..).map(|m| (self.current_graph_submission_id, m)));
 			}
 			DeferMessage::AfterViewportReady { messages } => {
-				self.after_viewport_resize.extend_from_slice(&messages);
+				if context.viewport_bounds == ViewportBounds::default() {
+					self.after_viewport_resize.extend_from_slice(&messages);
+				} else {
+					for message in messages {
+						responses.push_front(message);
+					}
+				}
 			}
 			DeferMessage::TriggerGraphRun(execution_id) => {
 				self.current_graph_submission_id = execution_id;

editor/src/messages/defer/mod.rs

@@ -4,4 +4,4 @@ mod defer_message_handler;
 #[doc(inline)]
 pub use defer_message::{DeferMessage, DeferMessageDiscriminant};
 #[doc(inline)]
-pub use defer_message_handler::DeferMessageHandler;
+pub use defer_message_handler::{DeferMessageContext, DeferMessageHandler};

editor/src/messages/input_preprocessor/input_preprocessor_message_handler.rs

@@ -17,6 +17,7 @@ pub struct InputPreprocessorMessageHandler {
 	pub time: u64,
 	pub keyboard: KeyStates,
 	pub mouse: MouseState,
+	// The viewport bounds are loaded on the browser callback, not when the editor is initialized.
 	pub viewport_bounds: ViewportBounds,
 }
 
@@ -32,9 +33,7 @@ impl MessageHandler<InputPreprocessorMessage, InputPreprocessorMessageContext> f
 				for bounds in bounds_of_viewports {
 					// TODO: Extend this to multiple viewports instead of setting it to the value of this last loop iteration
 					self.viewport_bounds = bounds;
-
-					responses.add(NavigationMessage::CanvasPan { delta: DVec2::ZERO });
-					responses.add(NodeGraphMessage::SetGridAlignedEdges);
+					responses.add(DeferMessage::TriggerViewportReady);
 				}
 			}
 			InputPreprocessorMessage::DoubleClick { editor_mouse_state, modifier_keys } => {

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

@@ -1441,9 +1441,7 @@ impl MessageHandler<DocumentMessage, DocumentMessageContext<'_>> for DocumentMes
 				} else {
 					self.network_interface.document_bounds_document_space(true)
 				};
-				if bounds.is_some() {
-					responses.add(DeferMessage::TriggerViewportReady);
-				} else {
+				if bounds.is_none() {
 					// If we don't have bounds yet, we need wait until the node graph has run once more
 					responses.add(DeferMessage::AfterGraphRun {
 						messages: vec![DocumentMessage::PTZUpdate.into()],