diff --git a/packages/editor/src/editor/Canvas.tsx b/packages/editor/src/editor/Canvas.tsx
index cc33eb0..70c576d 100644
--- a/packages/editor/src/editor/Canvas.tsx
+++ b/packages/editor/src/editor/Canvas.tsx
@@ -14,6 +14,7 @@ export interface CanvasProps {
scale: number;
panX: number;
panY: number;
+ gridEnabled: boolean;
guides: { xs: number[]; ys: number[] };
onSelectSingle(id?: string): void;
onToggleSelect(id: string): void;
@@ -276,6 +277,19 @@ export function Canvas(props: CanvasProps) {
position: 'relative',
}}
>
+ {props.gridEnabled ? (
+
+ ) : null}
+
{/* guides (snap lines) */}
{props.guides.xs.map((x) => (
+
+
+
@@ -446,6 +471,7 @@ export function EditorApp() {
scale={state.canvas.scale}
panX={state.canvas.panX}
panY={state.canvas.panY}
+ gridEnabled={state.canvas.gridEnabled}
guides={state.canvas.guides}
onSelectSingle={(id) => dispatch({ type: 'selectSingle', id })}
onToggleSelect={(id) => dispatch({ type: 'toggleSelect', id })}
diff --git a/packages/editor/src/editor/store.ts b/packages/editor/src/editor/store.ts
index 00d3471..da7bc74 100644
--- a/packages/editor/src/editor/store.ts
+++ b/packages/editor/src/editor/store.ts
@@ -34,6 +34,8 @@ export type EditorAction =
| { type: 'setScale'; scale: number }
| { type: 'panBy'; dx: number; dy: number }
| { type: 'zoomAt'; scale: number; anchor: { x: number; y: number } }
+ | { type: 'toggleGrid' }
+ | { type: 'toggleSnap' }
| { type: 'beginPan'; start: { screenX: number; screenY: number } }
| { type: 'updatePan'; current: { screenX: number; screenY: number } }
| { type: 'endPan' }
@@ -271,6 +273,8 @@ export function createInitialState(): EditorRuntimeState {
scale: 1,
panX: 0,
panY: 0,
+ gridEnabled: false,
+ snapEnabled: true,
guides: { xs: [], ys: [] },
isDragging: false,
isPanning: false,
@@ -366,6 +370,28 @@ export function editorReducer(state: EditorRuntimeState, action: EditorAction):
};
}
+ case 'toggleGrid': {
+ return {
+ ...state,
+ canvas: {
+ ...state.canvas,
+ gridEnabled: !state.canvas.gridEnabled,
+ },
+ };
+ }
+
+ case 'toggleSnap': {
+ // Clearing guides prevents stale guide lines when turning snap off mid-drag.
+ return {
+ ...state,
+ canvas: {
+ ...state.canvas,
+ snapEnabled: !state.canvas.snapEnabled,
+ guides: { xs: [], ys: [] },
+ },
+ };
+ }
+
case 'updateWidgetRect': {
const target = state.doc.screen.nodes.find((n) => n.id === action.id);
if (!target) return state;
@@ -874,8 +900,8 @@ export function editorReducer(state: EditorRuntimeState, action: EditorAction):
const bounds = action.bounds;
- // goView-like: only snap when a single node is selected.
- const canSnap = state.selection.ids.length === 1;
+ // goView-like: only snap when enabled and a single node is selected.
+ const canSnap = state.canvas.snapEnabled && state.selection.ids.length === 1;
const movingId = state.selection.ids[0];
const others = canSnap
@@ -1058,8 +1084,8 @@ export function editorReducer(state: EditorRuntimeState, action: EditorAction):
h: Math.max(0, newH),
};
- // goView-like: only snap when resizing a single selected node.
- const canSnap = state.selection.ids.length === 1;
+ // goView-like: only snap when enabled and resizing a single selected node.
+ const canSnap = state.canvas.snapEnabled && state.selection.ids.length === 1;
const movingId = drag.targetId;
const others = canSnap
diff --git a/packages/editor/src/editor/types.ts b/packages/editor/src/editor/types.ts
index 649b1aa..62c76cb 100644
--- a/packages/editor/src/editor/types.ts
+++ b/packages/editor/src/editor/types.ts
@@ -16,6 +16,8 @@ export interface EditorCanvasState {
scale: number;
panX: number;
panY: number;
+ gridEnabled: boolean;
+ snapEnabled: boolean;
guides: {
xs: number[];
ys: number[];