kopia lustrzana https://github.com/Tldraw/Tldraw
37 wiersze
1022 B
TypeScript
37 wiersze
1022 B
TypeScript
import { useEffect } from "react"
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import state from "state"
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import { getKeyboardEventInfo, isDarwin } from "utils/utils"
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export default function useKeyboardEvents() {
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useEffect(() => {
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function handleKeyDown(e: KeyboardEvent) {
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if (e.key === "Escape") {
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state.send("CANCELLED")
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} else if (e.key === "z" && (isDarwin() ? e.metaKey : e.ctrlKey)) {
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if (e.shiftKey) {
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state.send("REDO")
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} else {
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state.send("UNDO")
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}
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}
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state.send("PRESSED_KEY", getKeyboardEventInfo(e))
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}
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function handleKeyUp(e: KeyboardEvent) {
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if (e.key === "Escape") {
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state.send("CANCELLED")
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}
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state.send("RELEASED_KEY", getKeyboardEventInfo(e))
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}
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document.body.addEventListener("keydown", handleKeyDown)
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document.body.addEventListener("keyup", handleKeyUp)
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return () => {
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document.body.removeEventListener("keydown", handleKeyDown)
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document.body.removeEventListener("keyup", handleKeyUp)
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}
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}, [])
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}
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