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@ue-too/board / index / KmtIdleState

クラス: KmtIdleState ​

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:233

IDLE state - default state waiting for user input.

Remarks ​

This is the default state of the KMT input state machine. It handles scroll events for panning and zooming, and transitions to pan-ready states when the user presses spacebar or middle-click.

Responsibilities:

  • Process scroll events (pan or zoom depending on device and modifiers)
  • Detect spacebar press to enter pan mode
  • Detect middle-click to enter pan mode
  • Distinguish between mouse and trackpad input modalities

Scroll Behavior:

  • Ctrl + Scroll: Always zoom (both mouse and trackpad)
  • Scroll (no Ctrl): Pan (trackpad) or Zoom (mouse, determined by modality detection)

Input Modality Detection: The state tracks horizontal scroll deltas to distinguish trackpads (which produce deltaX) from mice (which typically only produce deltaY). This affects zoom behavior.

拡張 ​

コンストラクター ​

コンストラクター ​

new KmtIdleState(): KmtIdleState

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:239

戻り値 ​

KmtIdleState

上書き ​

TemplateState< KmtInputEventMapping, KmtInputContext, KmtInputStates, KmtInputEventOutputMapping >.constructor

プロパティ ​

_defer ​

protected _defer: Defer<KmtInputContext, KmtInputEventMapping, "IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED", KmtInputEventOutputMapping> | undefined

定義: packages/being/dist/interface.d.ts:493

継承元 ​

TemplateState._defer

_delay ​

protected _delay: Delay<KmtInputContext, KmtInputEventMapping, "IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED", KmtInputEventOutputMapping> | undefined

定義: packages/being/dist/interface.d.ts:492

継承元 ​

TemplateState._delay

_eventGuards ​

protected _eventGuards: Partial<EventGuards<KmtInputEventMapping, KmtInputStates, KmtInputContext, Guard<KmtInputContext>>> = {}

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:247

上書き ​

TemplateState._eventGuards

_eventReactions ​

protected _eventReactions: EventReactions<KmtInputEventMapping, KmtInputContext, KmtInputStates, KmtInputEventOutputMapping>

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:318

上書き ​

TemplateState._eventReactions

_guards ​

protected _guards: Guard<KmtInputContext, "isIdle">

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:243

上書き ​

TemplateState._guards

アクセッサー ​

delay ​

署名を取得する ​

get delay(): Delay<Context, EventPayloadMapping, States, EventOutputMapping> | undefined

定義: packages/being/dist/interface.d.ts:498

戻り値 ​

Delay<Context, EventPayloadMapping, States, EventOutputMapping> | undefined

継承元 ​

TemplateState.delay

eventGuards ​

署名を取得する ​

get eventGuards(): Partial<EventGuards<EventPayloadMapping, States, Context, Guard<Context>>>

定義: packages/being/dist/interface.d.ts:496

戻り値 ​

Partial<EventGuards<EventPayloadMapping, States, Context, Guard<Context>>>

継承元 ​

TemplateState.eventGuards

eventReactions ​

署名を取得する ​

get eventReactions(): EventReactions<EventPayloadMapping, Context, States, EventOutputMapping>

定義: packages/being/dist/interface.d.ts:497

戻り値 ​

EventReactions<EventPayloadMapping, Context, States, EventOutputMapping>

継承元 ​

TemplateState.eventReactions

guards ​

署名を取得する ​

get guards(): Guard<Context>

定義: packages/being/dist/interface.d.ts:495

戻り値 ​

Guard<Context>

継承元 ​

TemplateState.guards

handlingEvents ​

署名を取得する ​

get handlingEvents(): keyof EventPayloadMapping[]

定義: packages/being/dist/interface.d.ts:494

戻り値 ​

keyof EventPayloadMapping[]

継承元 ​

TemplateState.handlingEvents

メソッド ​

beforeExit() ​

beforeExit(context, stateMachine, to): void

定義: packages/being/dist/interface.d.ts:500

パラメータ ​

context ​

KmtInputContext

stateMachine ​

StateMachine<KmtInputEventMapping, KmtInputContext, "IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED", KmtInputEventOutputMapping>

to ​

"TERMINAL" | "IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED"

戻り値 ​

void

継承元 ​

TemplateState.beforeExit

handles() ​

handles<K>(args, context, stateMachine): EventResult<"IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED", K extends keyof KmtInputEventOutputMapping ? KmtInputEventOutputMapping[K<K>] : void>

定義: packages/being/dist/interface.d.ts:501

型パラメーター ​

K ​

K extends string

パラメータ ​

args ​

EventArgs<KmtInputEventMapping, K>

context ​

KmtInputContext

stateMachine ​

StateMachine<KmtInputEventMapping, KmtInputContext, "IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED", KmtInputEventOutputMapping>

戻り値 ​

EventResult<"IDLE" | "READY_TO_PAN_VIA_SPACEBAR" | "READY_TO_PAN_VIA_SCROLL_WHEEL" | "PAN" | "INITIAL_PAN" | "PAN_VIA_SCROLL_WHEEL" | "DISABLED", K extends keyof KmtInputEventOutputMapping ? KmtInputEventOutputMapping[K<K>] : void>

継承元 ​

TemplateState.handles

middlePointerDownHandler() ​

middlePointerDownHandler(context, payload): void

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:358

パラメータ ​

context ​

KmtInputContext

payload ​

PointerEventPayload

戻り値 ​

void

scrollHandler() ​

scrollHandler(context, payload): KmtOutputEvent

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:295

パラメータ ​

context ​

KmtInputContext

payload ​

ScrollWithCtrlEventPayload

戻り値 ​

KmtOutputEvent

scrollPan() ​

scrollPan(context, payload): KmtOutputEvent

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:257

パラメータ ​

context ​

KmtInputContext

payload ​

ScrollEventPayload

戻り値 ​

KmtOutputEvent

scrollWithCtrlHandler() ​

scrollWithCtrlHandler(context, payload): KmtOutputEvent

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:311

パラメータ ​

context ​

KmtInputContext

payload ​

ScrollWithCtrlEventPayload

戻り値 ​

KmtOutputEvent

scrollZoom() ​

scrollZoom(context, payload): KmtOutputEvent

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:271

パラメータ ​

context ​

KmtInputContext

payload ​

ScrollWithCtrlEventPayload

戻り値 ​

KmtOutputEvent

spacebarDownHandler() ​

spacebarDownHandler(context, payload): number

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:350

パラメータ ​

context ​

KmtInputContext

payload ​

EmptyPayload

戻り値 ​

number

uponEnter() ​

uponEnter(context): void

定義: packages/board/src/input-interpretation/input-state-machine/kmt-input-state-machine.ts:346

パラメータ ​

context ​

KmtInputContext

戻り値 ​

void

上書き ​

TemplateState.uponEnter