react#PointerEvent TypeScript Examples

The following examples show how to use react#PointerEvent. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: PointerSensor.ts    From dnd-kit with MIT License 6 votes vote down vote up 
static activators = [
    {
      eventName: 'onPointerDown' as const,
      handler: (
        {nativeEvent: event}: PointerEvent,
        {onActivation}: PointerSensorOptions
      ) => {
        if (!event.isPrimary || event.button !== 0) {
          return false;
        }

        onActivation?.({event});

        return true;
      },
    },
  ];
Example #2
Source File: InfiniteRange.tsx    From ble with Apache License 2.0 5 votes vote down vote up 
NumberInput: FunctionComponent<Props> = ({ value, onChange, onBlur, onPointerUp, min = 0, step, ...props }) => {
	const maxClamp = Math.max(min, props.maxClamp || 100);
	const [max, setMax] = useState(maxClamp);

	function clampedSetMax(max_: number) {
		setMax(Math.max(max_, maxClamp));
	}

	function onInnerChange(ev: ChangeEvent<HTMLInputElement>) {
		if (onChange) {
			onChange(ev.target.valueAsNumber);
		}
	}

	function onInnerBlur(ev: FocusEvent<HTMLInputElement>) {
		clampedSetMax(ev.target.valueAsNumber * 2);

		if (onBlur) {
			onBlur(ev);
		}
	}

	function onInnerPointerUp(ev: PointerEvent<HTMLInputElement>) {
		// we keep the value for our setTimeout
		const val = (ev.target as HTMLInputElement).valueAsNumber;

		// we wait for the next tick to let onChange happen first
		window.setTimeout(() => {
			clampedSetMax(val * 2);
		}, 0);

		if (onPointerUp) {
			onPointerUp(ev);
		}
	}

	return (
		<input
			{...props}
			type="range"
			value={value}
			min={min}
			max={max}
			onChange={onInnerChange}
			onBlur={onInnerBlur}
			onPointerUpCapture={onInnerPointerUp}
		/>
	);
}