# Flutter之gestures库 ``` CLASSES DelayedMultiDragGestureRecognizer DoubleTapGestureRecognizer Drag DragDownDetails DragEndDetails DragGestureRecognizer DragStartDetails DragUpdateDetails EagerGestureRecognizer FlutterErrorDetailsForPointerEventDispatcher FlutterErrorDetailsForPointerRouter GestureArenaEntry GestureArenaManager GestureArenaMember GestureArenaTeam GestureRecognizer HitTestable HitTestDispatcher HitTestEntry HitTestResult HitTestTarget HorizontalDragGestureRecognizer HorizontalMultiDragGestureRecognizer ImmediateMultiDragGestureRecognizer LeastSquaresSolver LongPressGestureRecognizer MultiDragGestureRecognizer MultiDragPointerState MultiTapGestureRecognizer Offset OneSequenceGestureRecognizer PanGestureRecognizer PointerAddedEvent PointerCancelEvent PointerDownEvent PointerEvent PointerEventConverter PointerHoverEvent PointerMoveEvent PointerRemovedEvent PointerRouter PointerUpEvent PolynomialFit PrimaryPointerGestureRecognizer ScaleEndDetails ScaleGestureRecognizer ScaleStartDetails ScaleUpdateDetails TapDownDetails TapGestureRecognizer TapUpDetails Velocity VelocityEstimate VelocityTracker VerticalDragGestureRecognizer VerticalMultiDragGestureRecognizer MIXINS GestureBinding CONSTANTS kBackMouseButton kDoubleTapMinTime kDoubleTapSlop kDoubleTapTimeout kDoubleTapTouchSlop kForwardMouseButton kHoverTapSlop kHoverTapTimeout kJumpTapTimeout kLongPressTimeout kMaxFlingVelocity kMiddleMouseButton kMinFlingVelocity kPagingTouchSlop kPanSlop kPressTimeout kPrimaryMouseButton kPrimaryStylusButton kScaleSlop kSecondaryMouseButton kSecondaryStylusButton kTouchSlop kWindowTouchSlop kZoomControlsTimeout PROPERTIES debugPrintGestureArenaDiagnostics debugPrintHitTestResults debugPrintRecognizerCallbacksTrace FUNCTIONS debugAssertAllGesturesVarsUnset nthMouseButton nthStylusButton ENUMS GestureDisposition GestureRecognizerState PointerDeviceKind TYPEDEFS GestureDoubleTapCallback GestureDragCancelCallback GestureDragDownCallback GestureDragEndCallback GestureDragStartCallback GestureDragUpdateCallback GestureLongPressCallback GestureLongPressUpCallback GestureMultiDragStartCallback GestureMultiTapCallback GestureMultiTapCancelCallback GestureMultiTapDownCallback GestureMultiTapUpCallback GestureScaleEndCallback GestureScaleStartCallback GestureScaleUpdateCallback GestureTapCallback GestureTapCancelCallback GestureTapDownCallback GestureTapUpCallback PointerRoute RecognizerCallback ```