Add the style of right-angle grid-aligned wires in the graph (#2182)

* Verticle and horizontal lines achieved(#2170)

* vertical lines alligned with grid dots

* fixed vertical lines positioning

* Deals with cases 5 and 6

* Fixed case 5 and other problematic zones

* edge cases solved

* edge cases fixed: HorizontalOut & HorizontalIn

* added comments

* Changed midX and midY

* Clean up if/else statements

* Consolidate code

* Consolidate further

* Add preference for wire style

---------

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

editor/src/messages/preferences/preferences_message.rs

@@ -1,3 +1,4 @@
+use crate::messages::portfolio::document::node_graph::utility_types::GraphWireStyle;
 use crate::messages::preferences::SelectionMode;
 use crate::messages::prelude::*;
 
@@ -13,6 +14,7 @@ pub enum PreferencesMessage {
 	SelectionMode { selection_mode: SelectionMode },
 	VectorMeshes { enabled: bool },
 	ModifyLayout { zoom_with_scroll: bool },
+	GraphWireStyle { style: GraphWireStyle },
 	// ImaginateRefreshFrequency { seconds: f64 },
 	// ImaginateServerHostname { hostname: String },
 }

editor/src/messages/preferences/preferences_message_handler.rs

@@ -1,4 +1,5 @@
 use crate::messages::input_mapper::key_mapping::MappingVariant;
+use crate::messages::portfolio::document::node_graph::utility_types::GraphWireStyle;
 use crate::messages::preferences::SelectionMode;
 use crate::messages::prelude::*;
 
@@ -12,6 +13,7 @@ pub struct PreferencesMessageHandler {
 	pub zoom_with_scroll: bool,
 	pub use_vello: bool,
 	pub vector_meshes: bool,
+	pub graph_wire_style: GraphWireStyle,
 }
 
 impl PreferencesMessageHandler {
@@ -37,6 +39,7 @@ impl Default for PreferencesMessageHandler {
 			imaginate_hostname: host_name,
 			use_vello,
 		} = Default::default();
+
 		Self {
 			imaginate_server_hostname: host_name,
 			imaginate_refresh_frequency: 1.,
@@ -44,6 +47,7 @@ impl Default for PreferencesMessageHandler {
 			zoom_with_scroll: matches!(MappingVariant::default(), MappingVariant::ZoomWithScroll),
 			use_vello,
 			vector_meshes: false,
+			graph_wire_style: GraphWireStyle::default(),
 		}
 	}
 }
@@ -95,6 +99,10 @@ impl MessageHandler<PreferencesMessage, ()> for PreferencesMessageHandler {
 			PreferencesMessage::SelectionMode { selection_mode } => {
 				self.selection_mode = selection_mode;
 			}
+			PreferencesMessage::GraphWireStyle { style } => {
+				self.graph_wire_style = style;
+				responses.add(NodeGraphMessage::SendGraph);
+			}
 		}
 		// TODO: Reenable when Imaginate is restored (and move back up one line since the auto-formatter doesn't like it in that block)
 		// PreferencesMessage::ImaginateRefreshFrequency { seconds } => {