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feat(ui): add color picker popover to color input (#962)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| import {JSX, Ref} from 'preact'; | ||
|
|
||
| import {Color} from '@motion-canvas/core'; | ||
| import {hsv} from 'chroma-js'; | ||
| import {forwardRef} from 'preact/compat'; | ||
| import {useEffect, useRef, useState} from 'preact/hooks'; | ||
| import {useSize} from '../../hooks'; | ||
| import {MouseButton, clamp} from '../../utils'; | ||
| import styles from './Controls.module.scss'; | ||
| import {NumberInput} from './NumberInput'; | ||
|
|
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| type ColorPickerProps = Omit<JSX.HTMLAttributes<HTMLDivElement>, 'onChange'> & { | ||
| color: Color; | ||
| onChange: (value: string) => void; | ||
| }; | ||
|
|
||
| function ColorPickerInternal( | ||
| {color, onChange, ...props}: ColorPickerProps, | ||
| ref: Ref<HTMLDivElement>, | ||
| ) { | ||
| const saturationRef = useRef<HTMLDivElement>(); | ||
| const hueRef = useRef<HTMLDivElement>(); | ||
| const saturationRect = useSize(saturationRef); | ||
| const hueRect = useSize(hueRef); | ||
|
|
||
| const [hue, setHue] = useState( | ||
| isNaN(color.hsv()[0]) ? 0 : color.hsv()[0] / 360, | ||
| ); | ||
| const [saturation, setSaturation] = useState(color.hsv()[1]); | ||
| const [value, setValue] = useState(color.hsv()[2]); | ||
| const [alpha, setAlpha] = useState(color.alpha()); | ||
|
|
||
| useEffect(() => { | ||
| onChange( | ||
| hsv(hue * 360, saturation, value) | ||
| .alpha(alpha) | ||
| .hex(), | ||
| ); | ||
| }, [hue, saturation, value, alpha]); | ||
|
|
||
| return ( | ||
| <div ref={ref} className={styles.colorPicker} {...props}> | ||
| <div | ||
| ref={saturationRef} | ||
| className={styles.saturation} | ||
| style={{backgroundColor: hsv(hue * 360, 1, 1).hex()}} | ||
| onPointerDown={event => { | ||
| if (event.button === MouseButton.Left) { | ||
| event.preventDefault(); | ||
| event.stopPropagation(); | ||
| event.currentTarget.setPointerCapture(event.pointerId); | ||
|
|
||
| const x = event.clientX - saturationRect.left; | ||
| const y = event.clientY - saturationRect.top; | ||
| const s = x / saturationRect.width; | ||
| const v = 1 - y / saturationRect.height; | ||
| setSaturation(clamp(0, 1, s)); | ||
| setValue(clamp(0, 1, v)); | ||
| } | ||
| }} | ||
| onPointerMove={event => { | ||
| if (event.currentTarget.hasPointerCapture(event.pointerId)) { | ||
| const x = event.clientX - saturationRect.left; | ||
| const y = event.clientY - saturationRect.top; | ||
| const s = x / saturationRect.width; | ||
| const v = 1 - y / saturationRect.height; | ||
| setSaturation(clamp(0, 1, s)); | ||
| setValue(clamp(0, 1, v)); | ||
| } | ||
| }} | ||
| > | ||
| <div | ||
| class={styles.slider} | ||
| style={{ | ||
| top: `calc(${(1 - value) * 100}% - 6px)`, | ||
| left: `calc(${saturation * 100}% - 6px)`, | ||
| backgroundColor: color.hex(), | ||
| }} | ||
| /> | ||
| </div> | ||
| <div | ||
| ref={hueRef} | ||
| className={styles.hue} | ||
| onPointerDown={event => { | ||
| if (event.button === MouseButton.Left) { | ||
| event.preventDefault(); | ||
| event.stopPropagation(); | ||
| event.currentTarget.setPointerCapture(event.pointerId); | ||
|
|
||
| const x = event.clientX - hueRect.left; | ||
| const h = x / hueRect.width; | ||
| setHue(clamp(0, 1, h)); | ||
| } | ||
| }} | ||
| onPointerMove={event => { | ||
| if (event.currentTarget.hasPointerCapture(event.pointerId)) { | ||
| const x = event.clientX - hueRect.left; | ||
| const h = x / hueRect.width; | ||
| setHue(clamp(0, 1, h)); | ||
| } | ||
| }} | ||
| > | ||
| <div | ||
| class={styles.slider} | ||
| style={{ | ||
| top: 6, | ||
| left: `calc(${hue * 100}% - 6px)`, | ||
| backgroundColor: hsv(hue * 360, 1, 1).hex(), | ||
| }} | ||
| /> | ||
| </div> | ||
|
|
||
| <NumberInput | ||
| value={hue} | ||
| onChange={h => setHue(clamp(0, 1, h))} | ||
| min={0} | ||
| max={1} | ||
| step={0.005} | ||
| decimalPlaces={4} | ||
| label={'H'} | ||
| /> | ||
|
|
||
| <NumberInput | ||
| value={saturation} | ||
| onChange={s => setSaturation(clamp(0, 1, s))} | ||
| min={0} | ||
| max={1} | ||
| step={0.005} | ||
| decimalPlaces={4} | ||
| label={'S'} | ||
| /> | ||
|
|
||
| <NumberInput | ||
| value={value} | ||
| onChange={v => setValue(clamp(0, 1, v))} | ||
| min={0} | ||
| max={1} | ||
| step={0.005} | ||
| decimalPlaces={4} | ||
| label={'V'} | ||
| /> | ||
|
|
||
| <NumberInput | ||
| value={alpha} | ||
| onChange={a => setAlpha(clamp(0, 1, a))} | ||
| min={0} | ||
| max={1} | ||
| step={0.005} | ||
| decimalPlaces={4} | ||
| label={'A'} | ||
| /> | ||
| </div> | ||
| ); | ||
| } | ||
|
|
||
| export const ColorPicker = forwardRef(ColorPickerInternal); |
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