Class ObservableInputTracker

The observable input tracker. This is used as the context for the keyboard mouse and trackpad input state machine.

Implements

KmtInputContext

Index

Constructors

Accessors

alignCoordinateSystem canvas initialCursorPosition

Methods

cleanup notifyOnPan notifyOnRotate notifyOnZoom setInitialCursorPosition setup

Constructors

constructor

new ObservableInputTracker(
canvas: HTMLCanvasElement,
inputPublisher: RawUserInputPublisher,
): ObservableInputTracker
Parameters
- canvas: HTMLCanvasElement
- inputPublisher: RawUserInputPublisher
Returns ObservableInputTracker
- Defined in input-state-machine/kmt-input-context.ts:33

Accessors

alignCoordinateSystem

get alignCoordinateSystem(): boolean
Returns boolean
Implementation of KmtInputContext.alignCoordinateSystem
- Defined in input-state-machine/kmt-input-context.ts:40
set alignCoordinateSystem(value: boolean): void
Parameters
- value: boolean
Returns void
Implementation of KmtInputContext.alignCoordinateSystem
- Defined in input-state-machine/kmt-input-context.ts:52

canvas

get canvas(): HTMLCanvasElement
Returns HTMLCanvasElement
Implementation of KmtInputContext.canvas
- Defined in input-state-machine/kmt-input-context.ts:44

initialCursorPosition

get initialCursorPosition(): Point
Returns Point
Implementation of KmtInputContext.initialCursorPosition
- Defined in input-state-machine/kmt-input-context.ts:48

Methods

cleanup

cleanup(): void
Returns void
Implementation of KmtInputContext.cleanup
- Defined in input-state-machine/kmt-input-context.ts:72

notifyOnPan

notifyOnPan(delta: Point): void
Parameters
- delta: Point
Returns void
Implementation of KmtInputContext.notifyOnPan
- Defined in input-state-machine/kmt-input-context.ts:56

notifyOnRotate

notifyOnRotate(deltaRotation: number): void
Parameters
- deltaRotation: number
Returns void
Implementation of KmtInputContext.notifyOnRotate
- Defined in input-state-machine/kmt-input-context.ts:64

notifyOnZoom

notifyOnZoom(zoomAmount: number, anchorPoint: Point): void
Parameters
- zoomAmount: number
- anchorPoint: Point
Returns void
Implementation of KmtInputContext.notifyOnZoom
- Defined in input-state-machine/kmt-input-context.ts:60

setInitialCursorPosition

setInitialCursorPosition(position: Point): void
Parameters
- position: Point
Returns void
Implementation of KmtInputContext.setInitialCursorPosition
- Defined in input-state-machine/kmt-input-context.ts:68

setup

setup(): void
Returns void
Implementation of KmtInputContext.setup
- Defined in input-state-machine/kmt-input-context.ts:75