321 lines
9.5 KiB
JavaScript
321 lines
9.5 KiB
JavaScript
import * as React from "react";
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import { _ } from "lodash";
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const RESIZE_HANDLE_HEIGHT = 8;
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const RESIZE_HANDLE_WIDTH = 18;
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const BOTTOM_CAM_HANDLE_HEIGHT = 10;
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function usePrevious(value) {
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const ref = React.useRef();
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React.useEffect(() => {
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ref.current = value;
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}, [value]);
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return ref.current;
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}
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const renderCursor = (
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name,
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color,
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x,
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y,
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currentPoint,
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pageState,
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isMultiUserActive,
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owner = false,
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) => {
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const z = !owner ? 2 : 1;
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let _x = null;
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let _y = null;
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if (!currentPoint) {
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_x = (x + pageState?.camera?.point[0]) * pageState?.camera?.zoom;
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_y = (y + pageState?.camera?.point[1]) * pageState?.camera?.zoom;
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}
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return (
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<>
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<div
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key={`${name}-${color}-${x}-${y}`}
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style={{
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zIndex: z,
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position: "absolute",
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left: (_x || x) - 2.5,
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top: (_y || y) - 2.5,
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width: 5,
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height: 5,
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borderRadius: "50%",
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background: `${color}`,
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pointerEvents: "none",
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}}
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/>
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{isMultiUserActive && <div
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style={{
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zIndex: z,
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position: "absolute",
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pointerEvents: "none",
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left: (_x || x) + 3.75,
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top: (_y || y) + 3,
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paddingLeft: ".25rem",
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paddingRight: ".25rem",
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paddingBottom: ".1rem",
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lineHeight: "1rem",
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borderRadius: "2px",
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color: "#FFF",
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backgroundColor: color,
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border: `1px solid ${color}`,
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}}
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>
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{name}
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</div>}
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</>
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);
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};
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const PositionLabel = (props) => {
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const {
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currentUser,
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currentPoint,
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pageState,
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publishCursorUpdate,
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whiteboardId,
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pos,
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isMultiUserActive,
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} = props;
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const { name, color } = currentUser;
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const prevCurrentPoint = usePrevious(currentPoint);
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React.useEffect(() => {
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try {
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const point = [pos.x, pos.y];
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publishCursorUpdate({
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xPercent:
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point[0] / pageState?.camera?.zoom - pageState?.camera?.point[0],
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yPercent:
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point[1] / pageState?.camera?.zoom - pageState?.camera?.point[1],
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whiteboardId,
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});
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} catch (e) {
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console.log(e);
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}
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}, [pos?.x, pos?.y]);
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return (
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<>
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<div style={{ position: "absolute", height: "100%", width: "100%" }}>
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{renderCursor(name, color, pos.x, pos.y, currentPoint, props.pageState, isMultiUserActive(whiteboardId))}
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</div>
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</>
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);
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};
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export default function Cursors(props) {
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let cursorWrapper = React.useRef(null);
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const [active, setActive] = React.useState(false);
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const [pos, setPos] = React.useState({ x: 0, y: 0 });
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const {
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whiteboardId,
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otherCursors,
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currentUser,
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tldrawAPI,
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publishCursorUpdate,
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children,
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isViewersCursorLocked,
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hasMultiUserAccess,
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isMultiUserActive,
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application,
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} = props;
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const start = () => setActive(true);
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const end = () => {
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publishCursorUpdate({
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xPercent: -1.0,
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yPercent: -1.0,
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whiteboardId: whiteboardId,
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});
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setActive(false);
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};
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const moved = (event) => {
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const { type, x, y } = event;
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// If the presentation container is the full screen element we don't need any offsets
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const fsEl = document?.webkitFullscreenElement || document?.fullscreenElement;
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if (fsEl?.getAttribute('data-test') === "presentationContainer") {
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return setPos({ x, y });
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}
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const nav = document.getElementById('Navbar');
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let yOffset = parseFloat(nav?.style?.height);
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const getSibling = (el) => el?.previousSibling || null;
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const panel = getSibling(nav);
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const webcams = document.getElementById('cameraDock');
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const subPanel = panel && getSibling(panel);
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let xOffset = (parseFloat(panel?.style?.width) || 0) + (parseFloat(subPanel?.style?.width) || 0);
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const camPosition = document.getElementById('layout')?.getAttribute('data-cam-position') || null;
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const sl = document.getElementById('layout')?.getAttribute('data-layout');
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if (type === 'touchmove') {
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!active && setActive(true);
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return setPos({ x: event?.changedTouches[0]?.clientX - xOffset, y: event?.changedTouches[0]?.clientY - yOffset });
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}
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const handleCustomYOffsets = () => {
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if (camPosition === 'contentTop' || !camPosition) {
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yOffset += (parseFloat(webcams?.style?.height) + RESIZE_HANDLE_HEIGHT);
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}
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if (camPosition === 'contentBottom') {
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yOffset -= BOTTOM_CAM_HANDLE_HEIGHT;
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}
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}
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if (document?.documentElement?.dir === 'rtl') {
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xOffset = 0;
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if (webcams && sl?.includes('custom')) {
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handleCustomYOffsets();
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if (camPosition === 'contentRight') {
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xOffset += (parseFloat(webcams?.style?.width) + RESIZE_HANDLE_WIDTH);
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}
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}
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if (webcams && sl?.includes('smart')) {
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if (panel || subPanel) {
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const dockPos = webcams?.getAttribute("data-position");
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if (dockPos === 'contentRight') {
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xOffset += (parseFloat(webcams?.style?.width) + RESIZE_HANDLE_WIDTH);
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}
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if (dockPos === 'contentTop') {
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yOffset += (parseFloat(webcams?.style?.height) + RESIZE_HANDLE_WIDTH);
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}
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}
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if (!panel && !subPanel) {
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xOffset = 0;
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}
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}
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if (webcams && sl?.includes('videoFocus')) {
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xOffset = parseFloat(nav?.style?.width);
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yOffset = parseFloat(panel?.style?.height);
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}
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} else {
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if (webcams && sl?.includes('custom')) {
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handleCustomYOffsets();
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if (camPosition === 'contentLeft') {
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xOffset += (parseFloat(webcams?.style?.width) + RESIZE_HANDLE_WIDTH);
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}
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}
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if (webcams && sl?.includes('smart')) {
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if (panel || subPanel) {
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const dockPos = webcams?.getAttribute("data-position");
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if (dockPos === 'contentLeft') {
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xOffset += (parseFloat(webcams?.style?.width) + RESIZE_HANDLE_WIDTH);
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}
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if (dockPos === 'contentTop') {
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yOffset += (parseFloat(webcams?.style?.height) + RESIZE_HANDLE_WIDTH);
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}
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}
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if (!panel && !subPanel) {
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xOffset = (parseFloat(webcams?.style?.width) + RESIZE_HANDLE_WIDTH);
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}
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}
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if (webcams && sl?.includes('videoFocus')) {
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xOffset = parseFloat(subPanel?.style?.width);
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yOffset = parseFloat(panel?.style?.height);
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}
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}
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return setPos({ x: event.x - xOffset, y: event.y - yOffset });
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}
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React.useEffect(() => {
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!cursorWrapper.hasOwnProperty("mouseenter") &&
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cursorWrapper?.addEventListener("mouseenter", start);
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!cursorWrapper.hasOwnProperty("mouseleave") &&
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cursorWrapper?.addEventListener("mouseleave", end);
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!cursorWrapper.hasOwnProperty("touchend") &&
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cursorWrapper?.addEventListener("touchend", end);
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!cursorWrapper.hasOwnProperty("mousemove") &&
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cursorWrapper?.addEventListener("mousemove", moved);
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!cursorWrapper.hasOwnProperty("touchmove") &&
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cursorWrapper?.addEventListener("touchmove", moved);
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}, [cursorWrapper]);
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React.useEffect(() => {
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return () => {
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if (cursorWrapper) {
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cursorWrapper.removeEventListener('mouseenter', start);
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cursorWrapper.removeEventListener('mouseleave', end);
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cursorWrapper.removeEventListener('mousemove', moved);
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cursorWrapper.removeEventListener('touchend', end);
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cursorWrapper.removeEventListener('touchmove', moved);
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}
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}
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});
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const multiUserAccess = hasMultiUserAccess(whiteboardId, currentUser?.userId);
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return (
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<span ref={(r) => (cursorWrapper = r)}>
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<div style={{ height: "100%", cursor: multiUserAccess || currentUser?.presenter ? "none" : "default" }}>
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{(active && multiUserAccess || (active && currentUser?.presenter)) && (
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<PositionLabel
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pos={pos}
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otherCursors={otherCursors}
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currentUser={currentUser}
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currentPoint={tldrawAPI?.currentPoint}
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pageState={tldrawAPI?.getPageState()}
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publishCursorUpdate={publishCursorUpdate}
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whiteboardId={whiteboardId}
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isMultiUserActive={isMultiUserActive}
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/>
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)}
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{children}
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</div>
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{otherCursors
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.filter((c) => c?.xPercent && c?.yPercent)
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.filter((c) => {
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if ((isViewersCursorLocked && c?.role !== "VIEWER") || !isViewersCursorLocked || currentUser?.presenter) {
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return c;
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}
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return null;
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})
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.map((c) => {
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if (c && currentUser.userId !== c?.userId) {
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if (c.presenter) {
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return renderCursor(
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c?.userName,
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"#C70039",
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c?.xPercent,
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c?.yPercent,
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null,
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tldrawAPI?.getPageState(),
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isMultiUserActive(whiteboardId),
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true
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);
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}
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return hasMultiUserAccess(whiteboardId, c?.userId) && (
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renderCursor(
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c?.userName,
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"#AFE1AF",
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c?.xPercent,
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c?.yPercent,
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null,
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tldrawAPI?.getPageState(),
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isMultiUserActive(whiteboardId),
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true
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)
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);
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}
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})}
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</span>
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);
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}
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