WheelEvent 类
- 继承
-
- Object
- Event
- UIEvent
- MouseEvent
- WheelEvent
- 注释
-
- @Native("WheelEvent")
构造函数
- WheelEvent(String type, {Window? view, num deltaX = 0, num deltaY = 0, num deltaZ = 0, int deltaMode = 0, int detail = 0, int screenX = 0, int screenY = 0, int clientX = 0, int clientY = 0, int button = 0, bool canBubble = true, bool cancelable = true, bool ctrlKey = false, bool altKey = false, bool shiftKey = false, bool metaKey = false, EventTarget? relatedTarget})
-
工厂
属性
- altKey → bool
-
no setterinherited
- bubbles → bool?
-
no setterinherited
-
no setterinherited
-
no setterinherited
- cancelable → bool?
-
no setterinherited
-
client → Point<
num> -
no setterinherited
- composed → bool?
-
no setterinherited
- ctrlKey → bool
-
no setterinherited
- currentTarget → EventTarget?
-
no setterinherited
- dataTransfer → DataTransfer
-
no setterinherited
- defaultPrevented → bool
-
no setterinherited
- deltaMode → int
-
没有设置器
- deltaX → num
- 期望水平滚动的数量，单位由 deltaMode 决定。没有设置器
- deltaY → num
- 期望垂直滚动的数量，单位由 deltaMode 决定。没有设置器
- deltaZ → num?
-
没有设置器
- detail → int?
-
no setterinherited
- eventPhase → int
-
no setterinherited
- fromElement → Node?
- 在
mouseover事件的情况下，获取鼠标来源元素的非常规方法。no setterinherited - hashCode → int
- 此对象的哈希码。no setterinherited
- isTrusted → bool?
-
no setterinherited
-
layer → Point<
num> -
no setterinherited
- matchingTarget → Element
- 指向触发事件的元素，其 CSS 选择器匹配。如果此事件未与任何事件委派关联，访问此值将抛出 UnsupportedError。no setterinherited
- metaKey → bool
-
no setterinherited
-
movement → Point<
num> -
no setterinherited
-
offset → Point<
num> - 鼠标指针在目标节点坐标中的坐标。no setterinherited
-
page → Point<
num> -
no setterinherited
-
path → List<
EventTarget> -
no setterinherited
- region → String?
-
no setterinherited
-
no setterinherited
- runtimeType → Type
- 对象运行时类型的表示。no setterinherited
-
screen → Point<
num> -
no setterinherited
- shiftKey → bool
-
no setterinherited
- 源能力 sourceCapabilities → 可选的 InputDeviceCapabilities
-
no setterinherited
- 目标 → 可选的 EventTarget
-
no setterinherited
- 时间戳 → 可选的 num
-
no setterinherited
- toElement → 可选的 Node
- 在
mouseout事件中，访问鼠标移出元素的非标准方式。no setterinherited - 事件类型 → String
-
no setterinherited
- 视图 → 可选的 WindowBase
-
no setterinherited
方法
- composedPath() → List<EventTarget>
-
继承
- getModifierState(keyArg String) → bool
-
继承
- noSuchMethod(invocation Invocation) → dynamic
- 当访问不存在的的方法或属性时调用。继承
- preventDefault() → void
-
继承
- stopImmediatePropagation() → void
-
继承
- stopPropagation() → void
-
继承
- toString() → String
- 此对象的一个字符串表示形式。继承
运算符
- operator ==(Object other) → bool
- 等于运算符。继承
常量
- DOM_DELTA_LINE → const int
- DOM_DELTA_PAGE → const int
- DOM_DELTA_PIXEL → const int