Class PointerEventManager

指针事件管理器

功能：

统一处理鼠标、触摸、触控笔
多点追踪
手势识别（点击、平移、捏合缩放）

Index

Constructors

Accessors

pointers pointerCount primaryPointer

Methods

setTapConfig addPointer updatePointer removePointer clear detectGesture isTap getPointer hasTouchPointer getTouchPointers toMouseEventLike

Constructors

constructor

new PointerEventManager(): PointerEventManager
Returns PointerEventManager

Accessors

pointers

get pointers(): Map<number, PointerInfo>
获取所有活跃指针

Returns Map<number, PointerInfo>
- Defined in input/PointerEventManager.ts:100

pointerCount

get pointerCount(): number
获取活跃指针数量

Returns number
- Defined in input/PointerEventManager.ts:107

primaryPointer

get primaryPointer(): PointerInfo
获取主指针

Returns PointerInfo
- Defined in input/PointerEventManager.ts:114

Methods

setTapConfig

setTapConfig(config: Partial<TapConfig>): void
设置点击判定配置
Parameters
- config: Partial<TapConfig>
Returns void
- Defined in input/PointerEventManager.ts:126

addPointer

addPointer(event: PointerEvent): PointerInfo
添加指针（pointerdown 时调用）
Parameters
- event: PointerEvent
Returns PointerInfo
- Defined in input/PointerEventManager.ts:133

updatePointer

updatePointer(event: PointerEvent): PointerInfo
更新指针位置（pointermove 时调用）
Parameters
- event: PointerEvent
Returns PointerInfo
- Defined in input/PointerEventManager.ts:158

removePointer

removePointer(event: PointerEvent): PointerInfo
移除指针（pointerup/pointercancel 时调用）
Parameters
- event: PointerEvent
Returns PointerInfo
- Defined in input/PointerEventManager.ts:169

clear

clear(): void
清除所有指针

Returns void
- Defined in input/PointerEventManager.ts:184

detectGesture

detectGesture(): GestureState
检测当前手势

Returns GestureState
- Defined in input/PointerEventManager.ts:192

isTap

isTap(event: PointerEvent): boolean
判断是否为点击（在 pointerup 时调用）
Parameters
- event: PointerEvent
Returns boolean
- Defined in input/PointerEventManager.ts:244

getPointer

getPointer(pointerId: number): PointerInfo
获取指定 ID 的指针
Parameters
- pointerId: number
Returns PointerInfo
- Defined in input/PointerEventManager.ts:257

hasTouchPointer

hasTouchPointer(): boolean
检查是否有触摸指针

Returns boolean
- Defined in input/PointerEventManager.ts:264

getTouchPointers

getTouchPointers(): PointerInfo[]
获取所有触摸指针

Returns PointerInfo[]
- Defined in input/PointerEventManager.ts:276

`Static`toMouseEventLike

toMouseEventLike(
    event: PointerEvent,
): {
    button: number;
    offsetX: number;
    offsetY: number;
    clientX: number;
    clientY: number;
    shiftKey: boolean;
    ctrlKey: boolean;
    altKey: boolean;
    metaKey: boolean;
    preventDefault: () => void;
    stopPropagation: () => void;
}
将 PointerEvent 转换为类似 MouseEvent 的对象用于兼容现有代码
Parameters
- event: PointerEvent
Returns {
    button: number;
    offsetX: number;
    offsetY: number;
    clientX: number;
    clientY: number;
    shiftKey: boolean;
    ctrlKey: boolean;
    altKey: boolean;
    metaKey: boolean;
    preventDefault: () => void;
    stopPropagation: () => void;
}
- Defined in input/PointerEventManager.ts:284