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Holding offset buttons adjusts by fine increments
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import { IconButton, IconButtonProps } from '@material-ui/core'; | ||
| import React, { useEffect, useCallback, useState } from 'react'; | ||
| import { isMobile } from 'react-device-detect'; | ||
|
|
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| interface Props extends IconButtonProps { | ||
| onHold?: (repetition: number) => void; | ||
| onClick: () => void; | ||
| children: React.ReactNode; | ||
| } | ||
|
|
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| const HoldableIconButton = ({ onHold, onClick, children, ...rest }: Props) => { | ||
| const [startTime, setStartTime] = useState<number>(); | ||
|
|
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| const repetitions = useCallback(() => { | ||
| if (startTime === undefined) { | ||
| return undefined; | ||
| } | ||
|
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| const holdTime = Date.now() - startTime; | ||
| return holdTime / 250; | ||
| }, [startTime]); | ||
|
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| const handleMouseUp = (event: any) => { | ||
| const reps = repetitions(); | ||
|
|
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| if (reps !== undefined && reps < 1) { | ||
| onClick?.(); | ||
| } | ||
|
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| setStartTime(undefined); | ||
| }; | ||
|
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| const handleMouseDown = (event: any) => { | ||
| setStartTime(Date.now()); | ||
| }; | ||
|
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| useEffect(() => { | ||
| if (startTime === undefined) { | ||
| return; | ||
| } | ||
|
|
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| const interval = setInterval(() => { | ||
| const reps = repetitions(); | ||
|
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| if (reps !== undefined && reps > 0) { | ||
| onHold?.(reps); | ||
| } | ||
| }, 250); | ||
| return () => clearInterval(interval); | ||
| }, [startTime, onHold, repetitions]); | ||
| return ( | ||
| <> | ||
| {isMobile && ( | ||
| <IconButton onTouchStart={handleMouseDown} onTouchEnd={handleMouseUp} onClick={() => {}} {...rest}> | ||
| {children} | ||
| </IconButton> | ||
| )} | ||
| {!isMobile && ( | ||
| <IconButton onMouseDown={handleMouseDown} onMouseUp={handleMouseUp} onClick={() => {}} {...rest}> | ||
| {children} | ||
| </IconButton> | ||
| )} | ||
| </> | ||
| ); | ||
| }; | ||
|
|
||
| export default HoldableIconButton; |
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