Add copy/cut/paste/duplicate functionality for path geometry (#2812)

* Copy and Paste for paths

* Fix merge

* Implement Copy, Cut and Duplicate

* Fix selection of segments

* Fix formatting

* Code review

---------

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

Author: 4adex

editor/src/messages/input_mapper/input_mappings.rs

@@ -211,6 +211,9 @@ pub fn input_mappings() -> Mapping {
 		entry!(KeyDown(Backspace); modifiers=[Accel], action_dispatch=PathToolMessage::DeleteAndBreakPath),
 		entry!(KeyDown(Delete); modifiers=[Shift], action_dispatch=PathToolMessage::BreakPath),
 		entry!(KeyDown(Backspace); modifiers=[Shift], action_dispatch=PathToolMessage::BreakPath),
+		entry!(KeyDown(KeyX); modifiers=[Accel], action_dispatch=PathToolMessage::Cut { clipboard: Clipboard::Device }),
+		entry!(KeyDown(KeyC); modifiers=[Accel], action_dispatch=PathToolMessage::Copy { clipboard: Clipboard::Device }),
+		entry!(KeyDown(KeyD); modifiers=[Accel], action_dispatch=PathToolMessage::Duplicate),
 		entry!(KeyDownNoRepeat(Tab); action_dispatch=PathToolMessage::SwapSelectedHandles),
 		entry!(KeyDown(MouseLeft); action_dispatch=PathToolMessage::MouseDown { extend_selection: Shift, lasso_select: Control, handle_drag_from_anchor: Alt, drag_restore_handle: Control, segment_editing_modifier: Control }),
 		entry!(KeyDown(MouseRight); action_dispatch=PathToolMessage::RightClick),

editor/src/messages/portfolio/portfolio_message.rs

@@ -88,6 +88,9 @@ pub enum PortfolioMessage {
 	PasteSerializedData {
 		data: String,
 	},
+	PasteSerializedVector {
+		data: String,
+	},
 	CenterPastedLayers {
 		layers: Vec<LayerNodeIdentifier>,
 	},

editor/src/messages/portfolio/portfolio_message_handler.rs

@@ -3,7 +3,7 @@ use super::document::utility_types::network_interface;
 use super::spreadsheet::SpreadsheetMessageHandler;
 use super::utility_types::{PanelType, PersistentData};
 use crate::application::generate_uuid;
-use crate::consts::DEFAULT_DOCUMENT_NAME;
+use crate::consts::{DEFAULT_DOCUMENT_NAME, DEFAULT_STROKE_WIDTH};
 use crate::messages::animation::TimingInformation;
 use crate::messages::debug::utility_types::MessageLoggingVerbosity;
 use crate::messages::dialog::simple_dialogs;
@@ -12,6 +12,7 @@ use crate::messages::layout::utility_types::widget_prelude::*;
 use crate::messages::portfolio::document::DocumentMessageContext;
 use crate::messages::portfolio::document::graph_operation::utility_types::TransformIn;
 use crate::messages::portfolio::document::node_graph::document_node_definitions;
+use crate::messages::portfolio::document::node_graph::document_node_definitions::resolve_document_node_type;
 use crate::messages::portfolio::document::utility_types::clipboards::{Clipboard, CopyBufferEntry, INTERNAL_CLIPBOARD_COUNT};
 use crate::messages::portfolio::document::utility_types::network_interface::OutputConnector;
 use crate::messages::portfolio::document::utility_types::nodes::SelectedNodes;
@@ -21,11 +22,14 @@ use crate::messages::prelude::*;
 use crate::messages::tool::common_functionality::graph_modification_utils;
 use crate::messages::tool::utility_types::{HintData, HintGroup, ToolType};
 use crate::node_graph_executor::{ExportConfig, NodeGraphExecutor};
+use bezier_rs::BezierHandles;
 use glam::{DAffine2, DVec2};
 use graph_craft::document::NodeId;
 use graph_craft::document::value::TaggedValue;
+use graphene_std::Color;
 use graphene_std::renderer::Quad;
 use graphene_std::text::Font;
+use graphene_std::vector::{HandleId, PointId, SegmentId, VectorData, VectorModificationType};
 use std::vec;
 
 #[derive(ExtractField)]
@@ -576,6 +580,99 @@ impl MessageHandler<PortfolioMessage, PortfolioMessageContext<'_>> for Portfolio
 					}
 				}
 			}
+			// Custom paste implementation for Path tool
+			PortfolioMessage::PasteSerializedVector { data } => {
+				// If using Path tool then send the operation to Path tool
+				if *current_tool == ToolType::Path {
+					responses.add(PathToolMessage::Paste { data });
+					return;
+				}
+
+				// If not using Path tool, create new layers and add paths into those
+				if let Some(document) = self.active_document() {
+					let Ok(data) = serde_json::from_str::<Vec<(LayerNodeIdentifier, VectorData, DAffine2)>>(&data) else {
+						return;
+					};
+
+					let mut layers = Vec::new();
+
+					for (_, new_vector, transform) in data {
+						let Some(node_type) = resolve_document_node_type("Path") else {
+							error!("Path node does not exist");
+							continue;
+						};
+						let nodes = vec![(NodeId(0), node_type.default_node_template())];
+
+						let parent = document.new_layer_parent(false);
+
+						let layer = graph_modification_utils::new_custom(NodeId::new(), nodes, parent, responses);
+						layers.push(layer);
+
+						// Adding the transform back into the layer
+						responses.add(GraphOperationMessage::TransformSet {
+							layer,
+							transform,
+							transform_in: TransformIn::Local,
+							skip_rerender: false,
+						});
+
+						// Add default fill and stroke to the layer
+						let fill_color = Color::WHITE;
+						let stroke_color = Color::BLACK;
+
+						let fill = graphene_std::vector::style::Fill::solid(fill_color.to_gamma_srgb());
+						responses.add(GraphOperationMessage::FillSet { layer, fill });
+
+						let stroke = graphene_std::vector::style::Stroke::new(Some(stroke_color.to_gamma_srgb()), DEFAULT_STROKE_WIDTH);
+						responses.add(GraphOperationMessage::StrokeSet { layer, stroke });
+
+						// Create new point ids and add those into the existing vector data
+						let mut points_map = HashMap::new();
+						for (point, position) in new_vector.point_domain.iter() {
+							let new_point_id = PointId::generate();
+							points_map.insert(point, new_point_id);
+							let modification_type = VectorModificationType::InsertPoint { id: new_point_id, position };
+							responses.add(GraphOperationMessage::Vector { layer, modification_type });
+						}
+
+						// Create new segment ids and add the segments into the existing vector data
+						let mut segments_map = HashMap::new();
+						for (segment_id, bezier, start, end) in new_vector.segment_bezier_iter() {
+							let new_segment_id = SegmentId::generate();
+
+							segments_map.insert(segment_id, new_segment_id);
+
+							let handles = match bezier.handles {
+								BezierHandles::Linear => [None, None],
+								BezierHandles::Quadratic { handle } => [Some(handle - bezier.start), None],
+								BezierHandles::Cubic { handle_start, handle_end } => [Some(handle_start - bezier.start), Some(handle_end - bezier.end)],
+							};
+
+							let points = [points_map[&start], points_map[&end]];
+							let modification_type = VectorModificationType::InsertSegment { id: new_segment_id, points, handles };
+							responses.add(GraphOperationMessage::Vector { layer, modification_type });
+						}
+
+						// Set G1 continuity
+						for handles in new_vector.colinear_manipulators {
+							let to_new_handle = |handle: HandleId| -> HandleId {
+								HandleId {
+									ty: handle.ty,
+									segment: segments_map[&handle.segment],
+								}
+							};
+							let new_handles = [to_new_handle(handles[0]), to_new_handle(handles[1])];
+							let modification_type = VectorModificationType::SetG1Continuous { handles: new_handles, enabled: true };
+							responses.add(GraphOperationMessage::Vector { layer, modification_type });
+						}
+					}
+
+					responses.add(NodeGraphMessage::RunDocumentGraph);
+					responses.add(Message::Defer(DeferMessage::AfterGraphRun {
+						messages: vec![PortfolioMessage::CenterPastedLayers { layers }.into()],
+					}));
+				}
+			}
 			PortfolioMessage::CenterPastedLayers { layers } => {
 				if let Some(document) = self.active_document_mut() {
 					let viewport_bounds_quad_pixels = Quad::from_box([DVec2::ZERO, ipp.viewport_bounds.size()]);

editor/src/messages/tool/common_functionality/shape_editor.rs

@@ -57,6 +57,10 @@ pub struct SelectedLayerState {
 }
 
 impl SelectedLayerState {
+	pub fn is_empty(&self) -> bool {
+		self.selected_points.is_empty() && self.selected_segments.is_empty()
+	}
+
 	pub fn selected_points(&self) -> impl Iterator<Item = ManipulatorPointId> + '_ {
 		self.selected_points.iter().copied()
 	}