Export current document as SVG when pressing Ctrl+Shift+S (#160)

* Export current document when pressing Ctrl+Shift+S

* Use a blob for download

* Add Ctrl + E shortcut, match on lower case

* Don't mount element in DOM

* Polish some keybindings

* Add initialization for MappingEntries

* Implement svg coloring

* Add newline after svg tag

* Add spaces to svg style format

* Fix more svg formatting

* Add space before />

* Remove duplicate whitespace

core/editor/src/document/document_message_handler.rs

@@ -15,6 +15,7 @@ pub enum DocumentMessage {
 	ToggleLayerVisibility(Vec<LayerId>),
 	ToggleLayerExpansion(Vec<LayerId>),
 	SelectDocument(usize),
+	ExportDocument,
 	RenderDocument,
 	Undo,
 }
@@ -69,6 +70,17 @@ impl MessageHandler<DocumentMessage, ()> for DocumentMessageHandler {
 				assert!(id < self.documents.len(), "Tried to select a document that was not initialized");
 				self.active_document = id;
 			}
+			ExportDocument => responses.push_back(
+				FrontendMessage::ExportDocument {
+					//TODO: Add canvas size instead of using 1080p per default
+					document: format!(
+						r#"<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080">{}{}</svg>"#,
+						"\n",
+						self.active_document_mut().document.render_root(),
+					),
+				}
+				.into(),
+			),
 			ToggleLayerVisibility(path) => {
 				responses.push_back(DocumentOperation::ToggleVisibility { path }.into());
 			}
@@ -96,5 +108,5 @@ impl MessageHandler<DocumentMessage, ()> for DocumentMessageHandler {
 			message => todo!("document_action_handler does not implement: {}", message.to_discriminant().global_name()),
 		}
 	}
-	advertise_actions!(DocumentMessageDiscriminant; Undo, RenderDocument);
+	advertise_actions!(DocumentMessageDiscriminant; Undo, RenderDocument, ExportDocument);
 }

core/editor/src/frontend/frontend_message_handler.rs

@@ -11,6 +11,7 @@ pub enum FrontendMessage {
 	ExpandFolder { path: Vec<LayerId>, children: Vec<LayerPanelEntry> },
 	SetActiveTool { tool_name: String },
 	UpdateCanvas { document: String },
+	ExportDocument { document: String },
 	EnableTextInput,
 	DisableTextInput,
 }

core/editor/src/input/input_mapper.rs

@@ -37,6 +37,14 @@ impl KeyMappingEntries {
 	fn push(&mut self, entry: MappingEntry) {
 		self.0.push(entry)
 	}
+
+	fn key_array() -> [Self; NUMBER_OF_KEYS] {
+		let mut array: [KeyMappingEntries; NUMBER_OF_KEYS] = unsafe { std::mem::zeroed() };
+		for key in array.iter_mut() {
+			*key = KeyMappingEntries::default();
+		}
+		array
+	}
 }
 
 #[derive(Debug, Clone)]
@@ -52,7 +60,7 @@ macro_rules! modifiers {
 		let mut state = KeyStates::new();
 		$(
 			state.set(Key::$m as usize);
-		),*
+		)*
 		state
 	}};
 }
@@ -70,8 +78,8 @@ macro_rules! entry {
 macro_rules! mapping {
 	//[$(<action=$action:expr; message=$key:expr; $(modifiers=[$($m:ident),* $(,)?];)?>)*] => {{
 	[$($entry:expr),* $(,)?] => {{
-		let mut up: [KeyMappingEntries; NUMBER_OF_KEYS] = Default::default();
-		let mut down: [KeyMappingEntries; NUMBER_OF_KEYS] = Default::default();
+		let mut up =  KeyMappingEntries::key_array();
+		let mut down = KeyMappingEntries::key_array();
 		let mut pointer_move: KeyMappingEntries = Default::default();
 		$(
 			let arr = match $entry.trigger {
@@ -98,8 +106,6 @@ impl Default for Mapping {
 			entry! {action=RectangleMessage::Abort, key_down=KeyEscape},
 			entry! {action=RectangleMessage::LockAspectRatio, key_down=KeyShift},
 			entry! {action=RectangleMessage::UnlockAspectRatio, key_up=KeyShift},
-			entry! {action=RectangleMessage::LockAspectRatio, key_down=KeyCaps},
-			entry! {action=RectangleMessage::UnlockAspectRatio, key_up=KeyCaps},
 			// Ellipse
 			entry! {action=EllipseMessage::Center, key_down=KeyAlt},
 			entry! {action=EllipseMessage::UnCenter, key_up=KeyAlt},
@@ -110,8 +116,6 @@ impl Default for Mapping {
 			entry! {action=EllipseMessage::Abort, key_down=KeyEscape},
 			entry! {action=EllipseMessage::LockAspectRatio, key_down=KeyShift},
 			entry! {action=EllipseMessage::UnlockAspectRatio, key_up=KeyShift},
-			entry! {action=EllipseMessage::LockAspectRatio, key_down=KeyCaps},
-			entry! {action=EllipseMessage::UnlockAspectRatio, key_up=KeyCaps},
 			// Shape
 			entry! {action=ShapeMessage::Center, key_down=KeyAlt},
 			entry! {action=ShapeMessage::UnCenter, key_up=KeyAlt},
@@ -122,8 +126,6 @@ impl Default for Mapping {
 			entry! {action=ShapeMessage::Abort, key_down=KeyEscape},
 			entry! {action=ShapeMessage::LockAspectRatio, key_down=KeyShift},
 			entry! {action=ShapeMessage::UnlockAspectRatio, key_up=KeyShift},
-			entry! {action=ShapeMessage::LockAspectRatio, key_down=KeyCaps},
-			entry! {action=ShapeMessage::UnlockAspectRatio, key_up=KeyCaps},
 			// Line
 			entry! {action=LineMessage::Center, key_down=KeyAlt},
 			entry! {action=LineMessage::UnCenter, key_up=KeyAlt},
@@ -136,8 +138,6 @@ impl Default for Mapping {
 			entry! {action=LineMessage::UnlockAngle, key_up=KeyControl},
 			entry! {action=LineMessage::SnapToAngle, key_down=KeyShift},
 			entry! {action=LineMessage::UnSnapToAngle, key_up=KeyShift},
-			entry! {action=LineMessage::SnapToAngle, key_down=KeyCaps},
-			entry! {action=LineMessage::UnSnapToAngle, key_up=KeyCaps},
 			// Pen
 			entry! {action=PenMessage::MouseMove, message=InputMapperMessage::PointerMove},
 			entry! {action=PenMessage::DragStart, key_down=Lmb},
@@ -147,6 +147,8 @@ impl Default for Mapping {
 			entry! {action=PenMessage::Confirm, key_down=KeyEnter},
 			// Document Actions
 			entry! {action=DocumentMessage::Undo, key_down=KeyZ, modifiers=[KeyControl]},
+			entry! {action=DocumentMessage::ExportDocument, key_down=KeyS, modifiers=[KeyControl, KeyShift]},
+			entry! {action=DocumentMessage::ExportDocument, key_down=KeyE, modifiers=[KeyControl]},
 			// Tool Actions
 			entry! {action=ToolMessage::SelectTool(ToolType::Rectangle), key_down=KeyM},
 			entry! {action=ToolMessage::SelectTool(ToolType::Ellipse), key_down=KeyE},

core/editor/src/input/keyboard.rs

@@ -16,16 +16,32 @@ pub enum Key {
 	Mmb,
 
 	// Keyboard keys
-	KeyR,
-	KeyM,
+	KeyA,
+	KeyB,
+	KeyC,
+	KeyD,
 	KeyE,
+	KeyF,
+	KeyG,
+	KeyH,
+	KeyI,
+	KeyJ,
+	KeyK,
 	KeyL,
+	KeyM,
+	KeyN,
+	KeyO,
 	KeyP,
+	KeyQ,
+	KeyR,
+	KeyS,
+	KeyT,
+	KeyU,
 	KeyV,
+	KeyW,
 	KeyX,
-	KeyZ,
 	KeyY,
-	KeyEnter,
+	KeyZ,
 	Key0,
 	Key1,
 	Key2,
@@ -36,8 +52,8 @@ pub enum Key {
 	Key7,
 	Key8,
 	Key9,
+	KeyEnter,
 	KeyShift,
-	KeyCaps,
 	KeyControl,
 	KeyAlt,
 	KeyEscape,