Class PointerEventGrabber

Constructors

constructor

new PointerEventGrabber(
configuration: TGrabberConfiguration,
): PointerEventGrabber
Parameters
- configuration: TGrabberConfiguration
Returns PointerEventGrabber
- Defined in grabber/PointerEventGrabber.ts:55

Properties

`Protected`capturing

capturing: boolean = false

`Protected`configuration

configuration: TGrabberConfiguration

`Protected`layerCapture

layerCapture: HTMLElement

`Optional`onContextMenu

onContextMenu?: (info: TPointerInfo) => void

`Optional`onPointerDown

onPointerDown?: (info: TPointerInfo) => void

`Optional`onPointerMove

onPointerMove?: (info: TPointerInfo) => void

`Optional`onPointerUp

onPointerUp?: (info: TPointerInfo) => void

`Protected` `Optional`pointerType

pointerType?: string

Methods

attach

attach(layerCapture: HTMLElement): void
Parameters
- layerCapture: HTMLElement
Returns void
- Defined in grabber/PointerEventGrabber.ts:251

`Protected`contextMenuHandler

contextMenuHandler(evt: MouseEvent): void
Parameters
- evt: MouseEvent
Returns void
- Defined in grabber/PointerEventGrabber.ts:228

detach

detach(): void
Returns void
- Defined in grabber/PointerEventGrabber.ts:272

`Protected`extractPointer

extractPointer(event: MouseEvent | TouchEvent): TPointer
Parameters
- event: MouseEvent | TouchEvent
Returns TPointer
- Defined in grabber/PointerEventGrabber.ts:95

`Protected`getCachedScreenCTM

getCachedScreenCTM(svg: SVGSVGElement): DOMMatrix | null
getScreenCTM forces the browser to flush pending layout, which gets increasingly costly as the svg grows (more symbols on the canvas). Reuse the last value as long as svg's transform (pan/zoom/resize) hasn't changed.
Parameters
- svg: SVGSVGElement
Returns DOMMatrix | null
- Defined in grabber/PointerEventGrabber.ts:83

`Protected`getPointerInfos

getPointerInfos(evt: PointerEvent): TPointerInfo
Parameters
- evt: PointerEvent
Returns TPointerInfo
- Defined in grabber/PointerEventGrabber.ts:141

`Protected`pointerDownHandler

pointerDownHandler(evt: PointerEvent): void
Parameters
- evt: PointerEvent
Returns void
- Defined in grabber/PointerEventGrabber.ts:155

`Protected`pointerMoveHandler

pointerMoveHandler(evt: PointerEvent): void
Parameters
- evt: PointerEvent
Returns void
- Defined in grabber/PointerEventGrabber.ts:177

`Protected`pointerOutHandler

pointerOutHandler(evt: PointerEvent): void
Parameters
- evt: PointerEvent
Returns void
- Defined in grabber/PointerEventGrabber.ts:209

`Protected`pointerUpHandler

pointerUpHandler(evt: PointerEvent): void
Parameters
- evt: PointerEvent
Returns void
- Defined in grabber/PointerEventGrabber.ts:194

`Protected`prevent

prevent(e: Event): void
Parameters
- e: Event
Returns void
- Defined in grabber/PointerEventGrabber.ts:32

`Protected`roundFloat

roundFloat(oneFloat: number, requestedFloatPrecision: number): number
Parameters
- oneFloat: number
- requestedFloatPrecision: number
Returns number
- Defined in grabber/PointerEventGrabber.ts:62

stopPointerEvent

stopPointerEvent(): void
Returns void
- Defined in grabber/PointerEventGrabber.ts:246