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feat: hoverable translation design, fixes #268
Signed-off-by: Innei <i@innei.in>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,45 +1,30 @@ | ||
| .mask-scroller { | ||
| mask: linear-gradient(white, transparent) 50% 0 / 100% 0 no-repeat, | ||
| linear-gradient(white, white) 50% 50% / 100% 100% no-repeat, | ||
| linear-gradient(transparent, white) 50% 100% / 100% 30px no-repeat; | ||
| mask-composite: exclude; | ||
| mask-size: 100% calc((var(--scroll-progress-top) / 100) * 30px), 100% 100%, | ||
| 100% calc((100 - (100 * (var(--scroll-progress-bottom) / 100))) * 1px); | ||
| } | ||
|
|
||
| @supports (animation-timeline: scroll()) { | ||
| .mask-scroller { | ||
| mask: linear-gradient(white, transparent) 50% 0 / 100% 0 no-repeat, | ||
| linear-gradient(white, white) 50% 50% / 100% 100% no-repeat, | ||
| linear-gradient(transparent, white) 50% 100% / 100% 30px no-repeat; | ||
| mask-composite: exclude; | ||
| animation: mask-up both linear, mask-down both linear; | ||
| animation-timeline: scroll(self); | ||
| animation-range: 0 50px, calc(100% - 50px) 100%; | ||
| } | ||
| } | ||
| @keyframes mask-up { | ||
| 100% { | ||
| mask-size: 100% 30px, 100% 100%, 100% 30px; | ||
| } | ||
| } | ||
| @keyframes mask-down { | ||
| 100% { | ||
| mask-size: 100% 30px, 100% 100%, 100% 0; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,232 @@ | ||
| // @copy https://github.com/pmndrs/react-use-measure/blob/master/src/web/index.ts | ||
|
|
||
| import { debounce } from "lodash-es" | ||
| import { useEffect, useMemo, useRef, useState } from "react" | ||
|
|
||
| const createDebounce = debounce | ||
| declare type ResizeObserverCallback = ( | ||
| entries: any[], | ||
| observer: ResizeObserver | ||
| ) => void | ||
| declare class ResizeObserver { | ||
| constructor(callback: ResizeObserverCallback) | ||
| observe(target: Element, options?: any): void | ||
| unobserve(target: Element): void | ||
| disconnect(): void | ||
| static toString(): string | ||
| } | ||
|
|
||
| export interface RectReadOnly { | ||
| readonly x: number | ||
| readonly y: number | ||
| readonly width: number | ||
| readonly height: number | ||
| readonly top: number | ||
| readonly right: number | ||
| readonly bottom: number | ||
| readonly left: number | ||
| [key: string]: number | ||
| } | ||
|
|
||
| type HTMLOrSVGElement = HTMLElement | SVGElement | ||
|
|
||
| type Result = [ | ||
| (element: HTMLOrSVGElement | null) => void, | ||
| RectReadOnly, | ||
| () => void, | ||
| ] | ||
|
|
||
| type State = { | ||
| element: HTMLOrSVGElement | null | ||
| scrollContainers: HTMLOrSVGElement[] | null | ||
| resizeObserver: ResizeObserver | null | ||
| lastBounds: RectReadOnly | ||
| } | ||
|
|
||
| export type Options = { | ||
| debounce?: number | { scroll: number, resize: number } | ||
| scroll?: boolean | ||
| offsetSize?: boolean | ||
| } | ||
|
|
||
| const defaultOptions: Options = { | ||
| debounce: 0, | ||
| scroll: false, | ||
| offsetSize: false, | ||
| } | ||
| export function useMeasure({ | ||
| debounce, | ||
| scroll, | ||
| offsetSize, | ||
| }: Options = defaultOptions): Result { | ||
| const [bounds, set] = useState<RectReadOnly>({ | ||
| left: 0, | ||
| top: 0, | ||
| width: 0, | ||
| height: 0, | ||
| bottom: 0, | ||
| right: 0, | ||
| x: 0, | ||
| y: 0, | ||
| }) | ||
|
|
||
| // keep all state in a ref | ||
| const state = useRef<State>({ | ||
| element: null, | ||
| scrollContainers: null, | ||
| resizeObserver: null, | ||
| lastBounds: bounds, | ||
| }) | ||
|
|
||
| // set actual debounce values early, so effects know if they should react accordingly | ||
| const scrollDebounce = debounce ? | ||
| typeof debounce === "number" ? | ||
| debounce : | ||
| debounce.scroll : | ||
| null | ||
| const resizeDebounce = debounce ? | ||
| typeof debounce === "number" ? | ||
| debounce : | ||
| debounce.resize : | ||
| null | ||
|
|
||
| // make sure to update state only as long as the component is truly mounted | ||
| const mounted = useRef(false) | ||
| useEffect(() => { | ||
| mounted.current = true | ||
| return () => void (mounted.current = false) | ||
| }) | ||
|
|
||
| // memoize handlers, so event-listeners know when they should update | ||
| const [forceRefresh, resizeChange, scrollChange] = useMemo(() => { | ||
| const callback = () => { | ||
| if (!state.current.element) return | ||
| const { left, top, width, height, bottom, right, x, y } = | ||
| state.current.element.getBoundingClientRect() as unknown as RectReadOnly | ||
|
|
||
| const size = { | ||
| left, | ||
| top, | ||
| width, | ||
| height, | ||
| bottom, | ||
| right, | ||
| x, | ||
| y, | ||
| } | ||
|
|
||
| if (state.current.element instanceof HTMLElement && offsetSize) { | ||
| size.height = state.current.element.offsetHeight | ||
| size.width = state.current.element.offsetWidth | ||
| } | ||
|
|
||
| Object.freeze(size) | ||
| if (mounted.current && !areBoundsEqual(state.current.lastBounds, size)) { set((state.current.lastBounds = size)) } | ||
| } | ||
| return [ | ||
| callback, | ||
| resizeDebounce ? createDebounce(callback, resizeDebounce) : callback, | ||
| scrollDebounce ? createDebounce(callback, scrollDebounce) : callback, | ||
| ] | ||
| }, [set, offsetSize, scrollDebounce, resizeDebounce]) | ||
|
|
||
| // cleanup current scroll-listeners / observers | ||
| function removeListeners() { | ||
| if (state.current.scrollContainers) { | ||
| state.current.scrollContainers.forEach((element) => | ||
| element.removeEventListener("scroll", scrollChange, true), | ||
| ) | ||
| state.current.scrollContainers = null | ||
| } | ||
|
|
||
| if (state.current.resizeObserver) { | ||
| state.current.resizeObserver.disconnect() | ||
| state.current.resizeObserver = null | ||
| } | ||
| } | ||
|
|
||
| // add scroll-listeners / observers | ||
| function addListeners() { | ||
| if (!state.current.element) return | ||
| state.current.resizeObserver = new ResizeObserver(scrollChange) | ||
| state.current.resizeObserver!.observe(state.current.element) | ||
| if (scroll && state.current.scrollContainers) { | ||
| state.current.scrollContainers.forEach((scrollContainer) => | ||
| scrollContainer.addEventListener("scroll", scrollChange, { | ||
| capture: true, | ||
| passive: true, | ||
| }), | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| // the ref we expose to the user | ||
| const ref = (node: HTMLOrSVGElement | null) => { | ||
| if (!node || node === state.current.element) return | ||
| removeListeners() | ||
| state.current.element = node | ||
| state.current.scrollContainers = findScrollContainers(node) | ||
| addListeners() | ||
| } | ||
|
|
||
| // add general event listeners | ||
| useOnWindowScroll(scrollChange, Boolean(scroll)) | ||
| useOnWindowResize(resizeChange) | ||
|
|
||
| // respond to changes that are relevant for the listeners | ||
| useEffect(() => { | ||
| removeListeners() | ||
| addListeners() | ||
| }, [scroll, scrollChange, resizeChange]) | ||
|
|
||
| // remove all listeners when the components unmounts | ||
| useEffect(() => removeListeners, []) | ||
| return [ref, bounds, forceRefresh] | ||
| } | ||
|
|
||
| // Adds native resize listener to window | ||
| function useOnWindowResize(onWindowResize: (event: Event) => void) { | ||
| useEffect(() => { | ||
| const cb = onWindowResize | ||
| window.addEventListener("resize", cb) | ||
| return () => void window.removeEventListener("resize", cb) | ||
| }, [onWindowResize]) | ||
| } | ||
| function useOnWindowScroll(onScroll: () => void, enabled: boolean) { | ||
| useEffect(() => { | ||
|
Check failure on line 196 in src/renderer/src/hooks/common/useMeasure.ts
|
||
| if (enabled) { | ||
| const cb = onScroll | ||
| window.addEventListener("scroll", cb, { capture: true, passive: true }) | ||
| return () => void window.removeEventListener("scroll", cb, true) | ||
| } | ||
| }, [onScroll, enabled]) | ||
| } | ||
|
|
||
| // Returns a list of scroll offsets | ||
| function findScrollContainers( | ||
| element: HTMLOrSVGElement | null, | ||
| ): HTMLOrSVGElement[] { | ||
| const result: HTMLOrSVGElement[] = [] | ||
| if (!element || element === document.body) return result | ||
| const { overflow, overflowX, overflowY } = window.getComputedStyle(element) | ||
| if ( | ||
| [overflow, overflowX, overflowY].some( | ||
| (prop) => prop === "auto" || prop === "scroll", | ||
| ) | ||
| ) { result.push(element) } | ||
| return [...result, ...findScrollContainers(element.parentElement)] | ||
| } | ||
|
|
||
| // Checks if element boundaries are equal | ||
| const keys: (keyof RectReadOnly)[] = [ | ||
| "x", | ||
| "y", | ||
| "top", | ||
| "bottom", | ||
| "left", | ||
| "right", | ||
| "width", | ||
| "height", | ||
| ] | ||
| const areBoundsEqual = (a: RectReadOnly, b: RectReadOnly): boolean => | ||
| keys.every((key) => a[key] === b[key]) | ||
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