87 lines
2.6 KiB
TypeScript
87 lines
2.6 KiB
TypeScript
import { useEffect } from "react"
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import state from "state"
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import { getKeyboardEventInfo, isDarwin, metaKey } 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" && metaKey(e)) {
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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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if (e.altKey) {
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state.send("PRESSED_ALT_KEY", getKeyboardEventInfo(e))
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}
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if (e.key === "Backspace" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("DELETED", getKeyboardEventInfo(e))
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}
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if (e.key === "s" && metaKey(e)) {
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e.preventDefault()
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state.send("SAVED")
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}
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if (e.key === "a" && metaKey(e)) {
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e.preventDefault()
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state.send("SELECTED_ALL")
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}
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if (e.key === "v" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_SELECT_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "d" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_DOT_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "c" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_CIRCLE_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "i" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_ELLIPSE_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "l" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_LINE_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "y" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_RAY_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "p" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_POLYLINE_TOOL", getKeyboardEventInfo(e))
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}
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if (e.key === "r" && !(metaKey(e) || e.shiftKey || e.altKey)) {
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state.send("SELECTED_RECTANGLE_TOOL", getKeyboardEventInfo(e))
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}
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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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if (e.altKey) {
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state.send("RELEASED_ALT_KEY")
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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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