kopia lustrzana https://github.com/Tldraw/Tldraw
85 wiersze
2.2 KiB
TypeScript
85 wiersze
2.2 KiB
TypeScript
import { MutableRefObject, useCallback, useRef } from 'react'
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import state from 'state'
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import inputs from 'state/inputs'
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export default function useShapeEvents(
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id: string,
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isGroup: boolean,
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rGroup: MutableRefObject<SVGElement>
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) {
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const handlePointerDown = useCallback(
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(e: React.PointerEvent) => {
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if (isGroup) return
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if (!inputs.canAccept(e.pointerId)) return
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e.stopPropagation()
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rGroup.current.setPointerCapture(e.pointerId)
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if (e.button === 0) {
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if (inputs.isDoubleClick()) {
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state.send('DOUBLE_POINTED_SHAPE', inputs.pointerDown(e, id))
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}
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state.send('POINTED_SHAPE', inputs.pointerDown(e, id))
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} else {
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state.send('RIGHT_POINTED', inputs.pointerDown(e, id))
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}
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},
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[id]
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)
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const handlePointerUp = useCallback(
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(e: React.PointerEvent) => {
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if (!inputs.canAccept(e.pointerId)) return
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e.stopPropagation()
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rGroup.current.releasePointerCapture(e.pointerId)
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state.send('STOPPED_POINTING', inputs.pointerUp(e))
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},
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[id]
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)
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const handlePointerEnter = useCallback(
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(e: React.PointerEvent) => {
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if (!inputs.canAccept(e.pointerId)) return
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if (isGroup) {
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state.send('HOVERED_GROUP', inputs.pointerEnter(e, id))
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} else {
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state.send('HOVERED_SHAPE', inputs.pointerEnter(e, id))
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}
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},
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[id]
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)
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const handlePointerMove = useCallback(
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(e: React.PointerEvent) => {
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if (!inputs.canAccept(e.pointerId)) return
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if (isGroup) {
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state.send('MOVED_OVER_GROUP', inputs.pointerEnter(e, id))
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} else {
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state.send('MOVED_OVER_SHAPE', inputs.pointerEnter(e, id))
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}
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},
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[id]
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)
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const handlePointerLeave = useCallback(
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(e: React.PointerEvent) => {
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if (!inputs.canAccept(e.pointerId)) return
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if (isGroup) {
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state.send('UNHOVERED_GROUP', { target: id })
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} else {
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state.send('UNHOVERED_SHAPE', { target: id })
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}
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},
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[id]
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)
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return {
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onPointerDown: handlePointerDown,
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onPointerUp: handlePointerUp,
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onPointerEnter: handlePointerEnter,
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onPointerMove: handlePointerMove,
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onPointerLeave: handlePointerLeave,
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}
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}
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