tldraw/hooks/useShapeEvents.ts
2021-05-28 15:37:23 +01:00

53 lines
1.3 KiB
TypeScript

import { MutableRefObject, useCallback } from 'react'
import state from 'state'
import inputs from 'state/inputs'
export default function useShapeEvents(
id: string,
rGroup: MutableRefObject<SVGElement>
) {
const handlePointerDown = useCallback(
(e: React.PointerEvent) => {
e.stopPropagation()
rGroup.current.setPointerCapture(e.pointerId)
state.send('POINTED_SHAPE', inputs.pointerDown(e, id))
},
[id]
)
const handlePointerUp = useCallback(
(e: React.PointerEvent) => {
e.stopPropagation()
rGroup.current.releasePointerCapture(e.pointerId)
state.send('STOPPED_POINTING', inputs.pointerUp(e))
},
[id]
)
const handlePointerEnter = useCallback(
(e: React.PointerEvent) => {
state.send('HOVERED_SHAPE', inputs.pointerEnter(e, id))
},
[id]
)
const handlePointerMove = useCallback(
(e: React.PointerEvent) => {
state.send('MOVED_OVER_SHAPE', inputs.pointerEnter(e, id))
},
[id]
)
const handlePointerLeave = useCallback(
() => state.send('UNHOVERED_SHAPE', { target: id }),
[id]
)
return {
onPointerDown: handlePointerDown,
onPointerUp: handlePointerUp,
onPointerEnter: handlePointerEnter,
onPointerMove: handlePointerMove,
onPointerLeave: handlePointerLeave,
}
}