f03a28fd59
Tooltip on fine pointer and long-press drawer on coarse without mounting on Início yet (B45).
95 lines
2.5 KiB
TypeScript
95 lines
2.5 KiB
TypeScript
'use client'
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import { useCallback, useEffect, useRef, type MouseEvent, type PointerEvent } from 'react'
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export const CAMPAIGN_LONG_PRESS_MS = 450
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const CAMPAIGN_LONG_PRESS_SLOP_PX = 10
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type CampaignLongPressPointerHandlers = {
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onPointerDown: (event: PointerEvent) => void
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onPointerMove: (event: PointerEvent) => void
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onPointerUp: (event: PointerEvent) => void
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onPointerCancel: (event: PointerEvent) => void
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onClick: (event: MouseEvent) => void
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}
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/**
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* Long-press for coarse-pointer description drawers (B44). Short tap still
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* reaches `onClick`; the synthetic click after a long-press is suppressed.
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*/
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export const useCampaignLongPress = ({
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enabled,
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onLongPress,
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onClick,
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}: {
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enabled: boolean
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onLongPress: () => void
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onClick?: (event: MouseEvent) => void
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}): CampaignLongPressPointerHandlers => {
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const suppressClickRef = useRef(false)
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const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
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const originRef = useRef<{ x: number; y: number } | null>(null)
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const clearTimer = useCallback(() => {
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if (timerRef.current !== null) {
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clearTimeout(timerRef.current)
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timerRef.current = null
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}
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}, [])
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const onPointerDown = useCallback(
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(event: PointerEvent) => {
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if (!enabled || event.button !== 0) return
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originRef.current = { x: event.clientX, y: event.clientY }
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clearTimer()
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timerRef.current = setTimeout(() => {
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timerRef.current = null
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originRef.current = null
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suppressClickRef.current = true
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onLongPress()
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}, CAMPAIGN_LONG_PRESS_MS)
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},
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[clearTimer, enabled, onLongPress],
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)
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const onPointerMove = useCallback(
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(event: PointerEvent) => {
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if (!originRef.current || timerRef.current === null) return
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const dx = event.clientX - originRef.current.x
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const dy = event.clientY - originRef.current.y
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if (Math.hypot(dx, dy) > CAMPAIGN_LONG_PRESS_SLOP_PX) {
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clearTimer()
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originRef.current = null
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}
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},
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[clearTimer],
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)
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const endPointer = useCallback(() => {
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clearTimer()
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originRef.current = null
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}, [clearTimer])
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useEffect(() => () => clearTimer(), [clearTimer])
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const onClickHandler = useCallback(
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(event: MouseEvent) => {
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if (suppressClickRef.current) {
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event.preventDefault()
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event.stopPropagation()
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suppressClickRef.current = false
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return
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}
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onClick?.(event)
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},
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[onClick],
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)
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return {
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onPointerDown,
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onPointerMove,
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onPointerUp: endPointer,
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onPointerCancel: endPointer,
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onClick: onClickHandler,
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}
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}
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