Add proportional editing to the Path tool

editor/src/consts.rs

@@ -121,6 +121,7 @@ pub const ASYMPTOTIC_EFFECT: f64 = 0.5;
 pub const SCALE_EFFECT: f64 = 0.5;
 
 // COLORS
+pub const COLOR_OVERLAY_TRANSPARENT: &str = "transparent";
 pub const COLOR_OVERLAY_BLUE: &str = "#00a8ff";
 pub const COLOR_OVERLAY_YELLOW: &str = "#ffc848";
 pub const COLOR_OVERLAY_GREEN: &str = "#63ce63";

editor/src/messages/input_mapper/input_mappings.rs

@@ -251,6 +251,8 @@ pub fn input_mappings() -> Mapping {
 		entry!(KeyDown(ArrowDown); modifiers=[Shift, ArrowLeft], action_dispatch=PathToolMessage::NudgeSelectedPoints { delta_x: -BIG_NUDGE_AMOUNT, delta_y: BIG_NUDGE_AMOUNT }),
 		entry!(KeyDown(ArrowDown); modifiers=[Shift, ArrowRight], action_dispatch=PathToolMessage::NudgeSelectedPoints { delta_x: BIG_NUDGE_AMOUNT, delta_y: BIG_NUDGE_AMOUNT }),
 		entry!(KeyDown(KeyJ); modifiers=[Accel], action_dispatch=ToolMessage::Path(PathToolMessage::ClosePath)),
+		entry!(KeyDown(KeyP); modifiers=[Alt], action_dispatch=PathToolMessage::ToggleProportionalEditing),
+		entry!(WheelScroll; action_dispatch=PathToolMessage::AdjustProportionalRadius),
 		//
 		// PenToolMessage
 		entry!(PointerMove; refresh_keys=[Control, Alt, Shift, KeyC], action_dispatch=PenToolMessage::PointerMove { snap_angle: Shift, break_handle: Alt, lock_angle: Control, colinear: KeyC, move_anchor_with_handles: Space }),
@@ -376,9 +378,9 @@ pub fn input_mappings() -> Mapping {
 		entry!(KeyDown(ArrowRight); action_dispatch=DocumentMessage::NudgeSelectedLayers { delta_x: NUDGE_AMOUNT, delta_y: 0., resize: Alt, resize_opposite_corner: Control }),
 		//
 		// TransformLayerMessage
-		entry!(KeyDown(KeyG); action_dispatch=TransformLayerMessage::BeginGRS { transform_type: TransformType::Grab }),
-		entry!(KeyDown(KeyR); action_dispatch=TransformLayerMessage::BeginGRS { transform_type: TransformType::Rotate }),
-		entry!(KeyDown(KeyS); action_dispatch=TransformLayerMessage::BeginGRS { transform_type: TransformType::Scale }),
+		entry!(KeyDown(KeyG); action_dispatch=TransformLayerMessage::BeginGRS { transform_type: TransformType::Grab, proportional_editing_data: None }),
+		entry!(KeyDown(KeyR); action_dispatch=TransformLayerMessage::BeginGRS { transform_type: TransformType::Rotate, proportional_editing_data: None }),
+		entry!(KeyDown(KeyS); action_dispatch=TransformLayerMessage::BeginGRS { transform_type: TransformType::Scale, proportional_editing_data: None }),
 		entry!(KeyDown(Digit0); action_dispatch=TransformLayerMessage::TypeDigit { digit: 0 }),
 		entry!(KeyDown(Digit1); action_dispatch=TransformLayerMessage::TypeDigit { digit: 1 }),
 		entry!(KeyDown(Digit2); action_dispatch=TransformLayerMessage::TypeDigit { digit: 2 }),

editor/src/messages/layout/utility_types/widgets/input_widgets.rs

@@ -67,6 +67,10 @@ pub struct DropdownInput {
 
 	#[serde(skip)]
 	pub tooltip_shortcut: Option<ActionKeys>,
+
+	// Styling
+	#[serde(rename = "minWidth")]
+	pub min_width: u32,
 	//
 	// Callbacks
 	// `on_update` exists on the `MenuListEntry`, not this parent `DropdownInput`

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

@@ -203,6 +203,34 @@ impl ClosestSegment {
 
 // TODO Consider keeping a list of selected manipulators to minimize traversals of the layers
 impl ShapeState {
+	/// Calculates the center point of all selected manipulator points (anchors and handles)
+	pub fn selection_center(&self, document: &DocumentMessageHandler) -> Option<DVec2> {
+		let mut sum = DVec2::ZERO;
+		let mut count = 0;
+
+		// Iterate through all selected layers and their selection states
+		for (&layer, state) in &self.selected_shape_state {
+			// Get the transform from layer space to document space
+			let transform = document.metadata().transform_to_document(layer);
+
+			// Get the vector data for this layer
+			if let Some(vector_data) = document.network_interface.compute_modified_vector(layer) {
+				// Process each selected point in this layer
+				for point in state.selected() {
+					// Get the position in layer space coordinates
+					if let Some(position) = point.get_position(&vector_data) {
+						// Convert to document space and accumulate
+						sum += transform.transform_point2(position);
+						count += 1;
+					}
+				}
+			}
+		}
+
+		// Return average position if we have any points
+		if count > 0 { Some(sum / count as f64) } else { None }
+	}
+
 	pub fn close_selected_path(&self, document: &DocumentMessageHandler, responses: &mut VecDeque<Message>) {
 		// First collect all selected anchor points across all layers
 		let all_selected_points: Vec<(LayerNodeIdentifier, PointId)> = self