Plumb layer panel (#107)

* WIP ExpandFolder handling

* Implement response parsing in typescript

* Update layer panel with list sent by wasm

* Add events for layer interaction

* Add proper default naming

* Fix displaying of the eye icon

* Attach path to LayerPanelEntry

* Fix lint issues

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

core/editor/src/dispatcher/document_event_handler.rs

@@ -0,0 +1,9 @@
+use super::{Event, EventHandler, Operation, Response};
+use crate::tools::{DocumentToolData, ToolData};
+use crate::Document;
+
+pub struct DocumentEventHandler {}
+
+impl DocumentEventHandler {
+	fn pre_process_event(&mut self, editor_state: &Document, tool_data: &mut DocumentToolData, events: &mut Vec<Event>, responses: &mut Vec<Response>, operations: &mut Vec<Operation>) {}
+}

core/editor/src/dispatcher/events.rs

@@ -2,6 +2,7 @@ use crate::tools::ToolType;
 use crate::Color;
 use bitflags::bitflags;
 
+use document_core::LayerId;
 use serde::{Deserialize, Serialize};
 
 #[doc(inline)]
@@ -18,8 +19,16 @@ pub enum Event {
 	SelectTool(ToolType),
 	SelectPrimaryColor(Color),
 	SelectSecondaryColor(Color),
+	SelectLayer(Vec<LayerId>),
+	ToggleLayerVisibility(Vec<LayerId>),
+	ToggleLayerExpansion(Vec<LayerId>),
+	DeleteLayer(Vec<LayerId>),
+	AddLayer(Vec<LayerId>),
+	RenameLayer(Vec<LayerId>, String),
 	SwapColors,
 	ResetColors,
+	AmbiguousMouseDown(MouseState),
+	AmbiguousMouseUp(MouseState),
 	LmbDown(MouseState),
 	RmbDown(MouseState),
 	MmbDown(MouseState),
@@ -34,6 +43,7 @@ pub enum Event {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[repr(C)]
 pub enum ToolResponse {
+	// These may not have the same names as any of the DocumentResponses
 	SetActiveTool { tool_name: String },
 	UpdateCanvas { document: String },
 }

core/editor/src/dispatcher/global_event_handler.rs

@@ -0,0 +1,15 @@
+use super::{input_manager::InputManager, Event, EventHandler, Operation, Response};
+use crate::tools::{DocumentToolData, ToolData, ToolSettings};
+use document_core::document::Document;
+
+pub struct GlobalEventHandler {}
+
+impl GlobalEventHandler {
+	fn new(tool_data: ToolData) -> Self {
+		Self {}
+	}
+
+	fn pre_process_event(&mut self, input: &InputManager, events: &mut Vec<Event>, responses: &mut Vec<Response>, operations: &mut Vec<Operation>) -> bool {
+		false
+	}
+}

core/editor/src/dispatcher/mod.rs

@@ -90,6 +90,7 @@ impl Dispatcher {
 					_ => (),
 				}
 			}
+			_ => todo!("Implement layer handling"),
 		}
 
 		let (mut tool_responses, operations) = editor_state

core/editor/src/workspace/mod.rs

@@ -1,5 +1,8 @@
-pub type PanelId = usize;
+use serde::{Deserialize, Serialize};
 
+pub type PanelId = u32;
+
+#[derive(Debug, Default, Serialize, Deserialize)]
 pub struct Workspace {
 	pub hovered_panel: PanelId,
 	pub root: PanelGroup,
@@ -15,14 +18,20 @@ impl Workspace {
 	// add panel / panel group
 	// delete panel / panel group
 	// move panel / panel group
-	// get_serialized_layout()
 }
 
+#[derive(Debug, Serialize, Deserialize)]
 pub struct PanelGroup {
 	pub contents: Vec<Contents>,
 	pub layout_direction: LayoutDirection,
 }
 
+impl Default for PanelGroup {
+	fn default() -> Self {
+		Self::new()
+	}
+}
+
 impl PanelGroup {
 	fn new() -> PanelGroup {
 		PanelGroup {
@@ -32,16 +41,19 @@ impl PanelGroup {
 	}
 }
 
+#[derive(Debug, Serialize, Deserialize)]
 pub enum Contents {
 	PanelArea(PanelArea),
 	Group(PanelGroup),
 }
 
+#[derive(Debug, Serialize, Deserialize)]
 pub struct PanelArea {
 	pub panels: Vec<PanelId>,
 	pub active: PanelId,
 }
 
+#[derive(Debug, Serialize, Deserialize)]
 pub enum LayoutDirection {
 	Horizontal,
 	Vertical,