Function handlePointerDown

hooks/DrawArrowTool.ts:25–49

(e: KonvaEventObject<MouseEvent | TouchEvent>)

  const currentArrowId = useRef<string | null>(null);

  const handlePointerDown = (e: KonvaEventObject<MouseEvent | TouchEvent>) => {
    if (tool !== "arrow") return;

    // Save current state before starting new drawing
    saveToHistory();

    isDrawing.current = true;

    const stage = e.target.getStage();
    const pos = stage ? getPointerPositionRelativeToStage(stage) : null;
    if (!pos) return;

    const id = createShapeId();
    currentArrowId.current = id;

    addArrow({
      id,
      x: pos.x,
      y: pos.y,
      points: [0, 0, 0, 0],
      stroke: properties.stroke,
      strokeWidth: properties.strokeWidth,
      opacity: properties.opacity,
    });
  };

  const handlePointerMove = (e: KonvaEventObject<MouseEvent | TouchEvent>) => {
    if (!isDrawing.current || tool !== "arrow") return;