Function handleDocumentMouseMove

packages/editor/src/components/content.tsx:305–343

(event: MouseEvent | TouchEvent)

  }

  const handleDocumentMouseMove = (event: MouseEvent | TouchEvent) => {
    const darg = getDrag()
    const isMouseDown = IS_MOUSEDOWN.get(editor)
    // 未长按不触发 move 事件
    if (IS_TOUCHING.get(editor) && !IS_TOUCH_HOLD.get(editor)) {
      clearTouchHoldTimer()
      return
    }
    const isTouchMoving = isTouchEvent(event)
    IS_TOUCHMOVING.set(editor, isTouchMoving)

    if (
      !isTouchMoving &&
      !darg &&
      ((isMouseEvent(event) && event.button !== 0) ||
        !isMouseDown ||
        event.defaultPrevented ||
        isContextMenu.current)
    )
      return
    const point = event.defaultPrevented ? null : Editable.findEventPoint(editor, event)
    if (point && dragging && isMouseEvent(event)) {
      setDrag({
        to: {
          anchor: point,
          focus: point,
        },
        position: {
          x: event.clientX,
          y: event.clientY,
        },
      })
      return
    }
    // 阻止 touchmove 时页面滚动
    if (isTouchMoving) event.preventDefault()
    const range = handleSelecting(point)
    if (range) editor.onSelecting()
  }

  const handleRootTouchStart = (event: React.TouchEvent) => {
    if (event.defaultPrevented) return