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index.tsx
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import React from "react";
import ReactDOM from "react-dom";
import rough from "roughjs/bin/rough";
import { RoughCanvas } from "roughjs/bin/canvas";
import {
newElement,
newTextElement,
duplicateElement,
resizeTest,
normalizeResizeHandle,
isInvisiblySmallElement,
isTextElement,
textWysiwyg,
getCommonBounds,
getCursorForResizingElement,
getPerfectElementSize,
normalizeDimensions,
} from "./element";
import {
clearSelection,
deleteSelectedElements,
getElementsWithinSelection,
isOverScrollBars,
saveToLocalStorage,
getElementAtPosition,
createScene,
getElementContainingPosition,
hasBackground,
hasStroke,
hasText,
exportCanvas,
loadScene,
calculateScrollCenter,
loadFromBlob,
getZoomOrigin,
getNormalizedZoom,
getSelectedElements,
isSomeElementSelected,
} from "./scene";
import { renderScene } from "./renderer";
import { AppState, FlooredNumber, Gesture } from "./types";
import { ExcalidrawElement } from "./element/types";
import {
isWritableElement,
isInputLike,
isToolIcon,
debounce,
capitalizeString,
distance,
distance2d,
resetCursor,
} from "./utils";
import { KEYS, isArrowKey } from "./keys";
import { findShapeByKey, shapesShortcutKeys, SHAPES } from "./shapes";
import { createHistory } from "./history";
import ContextMenu from "./components/ContextMenu";
import "./styles.scss";
import { getElementWithResizeHandler } from "./element/resizeTest";
import {
ActionManager,
actionDeleteSelected,
actionSendBackward,
actionBringForward,
actionSendToBack,
actionBringToFront,
actionSelectAll,
actionChangeStrokeColor,
actionChangeBackgroundColor,
actionChangeOpacity,
actionChangeStrokeWidth,
actionChangeFillStyle,
actionChangeSloppiness,
actionChangeFontSize,
actionChangeFontFamily,
actionChangeViewBackgroundColor,
actionClearCanvas,
actionZoomIn,
actionZoomOut,
actionResetZoom,
actionChangeProjectName,
actionChangeExportBackground,
actionLoadScene,
actionSaveScene,
actionCopyStyles,
actionPasteStyles,
actionFinalize,
} from "./actions";
import { Action, ActionResult } from "./actions/types";
import { getDefaultAppState } from "./appState";
import { Island } from "./components/Island";
import Stack from "./components/Stack";
import { FixedSideContainer } from "./components/FixedSideContainer";
import { ToolButton } from "./components/ToolButton";
import { LockIcon } from "./components/LockIcon";
import { ExportDialog } from "./components/ExportDialog";
import { LanguageList } from "./components/LanguageList";
import { Point } from "roughjs/bin/geometry";
import { t, languages, setLanguage, getLanguage } from "./i18n";
import { HintViewer } from "./components/HintViewer";
import useIsMobile, { IsMobileProvider } from "./is-mobile";
import { copyToAppClipboard, getClipboardContent } from "./clipboard";
import { normalizeScroll } from "./scene/data";
import { getCenter, getDistance } from "./gesture";
import { menu, palette } from "./components/icons";
let { elements } = createScene();
const { history } = createHistory();
function setCursorForShape(shape: string) {
if (shape === "selection") {
resetCursor();
} else {
document.documentElement.style.cursor =
shape === "text" ? CURSOR_TYPE.TEXT : CURSOR_TYPE.CROSSHAIR;
}
}
const DRAGGING_THRESHOLD = 10; // 10px
const ELEMENT_SHIFT_TRANSLATE_AMOUNT = 5;
const ELEMENT_TRANSLATE_AMOUNT = 1;
const TEXT_TO_CENTER_SNAP_THRESHOLD = 30;
const CURSOR_TYPE = {
TEXT: "text",
CROSSHAIR: "crosshair",
GRABBING: "grabbing",
};
const POINTER_BUTTON = {
MAIN: 0,
WHEEL: 1,
SECONDARY: 2,
TOUCH: -1,
};
// Block pinch-zooming on iOS outside of the content area
document.addEventListener(
"touchmove",
function(event) {
// @ts-ignore
if (event.scale !== 1) {
event.preventDefault();
}
},
{ passive: false },
);
let lastPointerUp: ((e: any) => void) | null = null;
const gesture: Gesture = {
pointers: [],
lastCenter: null,
initialDistance: null,
initialScale: null,
};
export function viewportCoordsToSceneCoords(
{ clientX, clientY }: { clientX: number; clientY: number },
{
scrollX,
scrollY,
zoom,
}: {
scrollX: FlooredNumber;
scrollY: FlooredNumber;
zoom: number;
},
canvas: HTMLCanvasElement | null,
) {
const zoomOrigin = getZoomOrigin(canvas);
const clientXWithZoom = zoomOrigin.x + (clientX - zoomOrigin.x) / zoom;
const clientYWithZoom = zoomOrigin.y + (clientY - zoomOrigin.y) / zoom;
const x = clientXWithZoom - scrollX;
const y = clientYWithZoom - scrollY;
return { x, y };
}
export function sceneCoordsToViewportCoords(
{ sceneX, sceneY }: { sceneX: number; sceneY: number },
{
scrollX,
scrollY,
zoom,
}: {
scrollX: FlooredNumber;
scrollY: FlooredNumber;
zoom: number;
},
canvas: HTMLCanvasElement | null,
) {
const zoomOrigin = getZoomOrigin(canvas);
const sceneXWithZoomAndScroll =
zoomOrigin.x - (zoomOrigin.x - sceneX - scrollX) * zoom;
const sceneYWithZoomAndScroll =
zoomOrigin.y - (zoomOrigin.y - sceneY - scrollY) * zoom;
const x = sceneXWithZoomAndScroll;
const y = sceneYWithZoomAndScroll;
return { x, y };
}
let cursorX = 0;
let cursorY = 0;
let isHoldingSpace: boolean = false;
let isPanning: boolean = false;
interface LayerUIProps {
actionManager: ActionManager;
appState: AppState;
canvas: HTMLCanvasElement | null;
setAppState: any;
elements: readonly ExcalidrawElement[];
language: string;
setElements: (elements: readonly ExcalidrawElement[]) => void;
}
const LayerUI = React.memo(
({
actionManager,
appState,
setAppState,
canvas,
elements,
language,
setElements,
}: LayerUIProps) => {
const isMobile = useIsMobile();
function renderExportDialog() {
return (
<ExportDialog
elements={elements}
appState={appState}
actionManager={actionManager}
onExportToPng={(exportedElements, scale) => {
if (canvas) {
exportCanvas("png", exportedElements, canvas, {
exportBackground: appState.exportBackground,
name: appState.name,
viewBackgroundColor: appState.viewBackgroundColor,
scale,
});
}
}}
onExportToSvg={(exportedElements, scale) => {
if (canvas) {
exportCanvas("svg", exportedElements, canvas, {
exportBackground: appState.exportBackground,
name: appState.name,
viewBackgroundColor: appState.viewBackgroundColor,
scale,
});
}
}}
onExportToClipboard={(exportedElements, scale) => {
if (canvas) {
exportCanvas("clipboard", exportedElements, canvas, {
exportBackground: appState.exportBackground,
name: appState.name,
viewBackgroundColor: appState.viewBackgroundColor,
scale,
});
}
}}
onExportToBackend={exportedElements => {
if (canvas) {
exportCanvas(
"backend",
exportedElements.map(element => ({
...element,
isSelected: false,
})),
canvas,
appState,
);
}
}}
/>
);
}
const showSelectedShapeActions = Boolean(
appState.editingElement ||
getSelectedElements(elements).length ||
appState.elementType !== "selection",
);
function renderSelectedShapeActions() {
const { elementType, editingElement } = appState;
const targetElements = editingElement
? [editingElement]
: getSelectedElements(elements);
return (
<div className="panelColumn">
{actionManager.renderAction("changeStrokeColor")}
{(hasBackground(elementType) ||
targetElements.some(element => hasBackground(element.type))) && (
<>
{actionManager.renderAction("changeBackgroundColor")}
{actionManager.renderAction("changeFillStyle")}
</>
)}
{(hasStroke(elementType) ||
targetElements.some(element => hasStroke(element.type))) && (
<>
{actionManager.renderAction("changeStrokeWidth")}
{actionManager.renderAction("changeSloppiness")}
</>
)}
{(hasText(elementType) ||
targetElements.some(element => hasText(element.type))) && (
<>
{actionManager.renderAction("changeFontSize")}
{actionManager.renderAction("changeFontFamily")}
</>
)}
{actionManager.renderAction("changeOpacity")}
<fieldset>
<legend>{t("labels.layers")}</legend>
<div className="buttonList">
{actionManager.renderAction("sendToBack")}
{actionManager.renderAction("sendBackward")}
{actionManager.renderAction("bringToFront")}
{actionManager.renderAction("bringForward")}
</div>
</fieldset>
</div>
);
}
function renderShapesSwitcher() {
return (
<>
{SHAPES.map(({ value, icon }, index) => {
const label = t(`toolBar.${value}`);
return (
<ToolButton
key={value}
type="radio"
icon={icon}
checked={appState.elementType === value}
name="editor-current-shape"
title={`${capitalizeString(label)} — ${
capitalizeString(value)[0]
}, ${index + 1}`}
keyBindingLabel={`${index + 1}`}
aria-label={capitalizeString(label)}
aria-keyshortcuts={`${label[0]} ${index + 1}`}
onChange={() => {
setAppState({ elementType: value, multiElement: null });
setElements(clearSelection(elements));
document.documentElement.style.cursor =
value === "text" ? CURSOR_TYPE.TEXT : CURSOR_TYPE.CROSSHAIR;
setAppState({});
}}
></ToolButton>
);
})}
</>
);
}
function renderZoomActions() {
return (
<Stack.Col gap={1}>
<Stack.Row gap={1} align="center">
{actionManager.renderAction("zoomIn")}
{actionManager.renderAction("zoomOut")}
<div style={{ marginLeft: 4 }}>
{(appState.zoom * 100).toFixed(0)}%
</div>
</Stack.Row>
</Stack.Col>
);
}
return isMobile ? (
<>
{appState.openedMenu === "canvas" ? (
<section
className="App-mobile-menu"
aria-labelledby="canvas-actions-title"
>
<h2 className="visually-hidden" id="canvas-actions-title">
{t("headings.canvasActions")}
</h2>
<div className="App-mobile-menu-scroller panelColumn">
<Stack.Col gap={4}>
{actionManager.renderAction("loadScene")}
{actionManager.renderAction("saveScene")}
{renderExportDialog()}
{actionManager.renderAction("clearCanvas")}
{actionManager.renderAction("changeViewBackgroundColor")}
<fieldset>
<legend>{t("labels.language")}</legend>
<LanguageList
onChange={lng => {
setLanguage(lng);
setAppState({});
}}
languages={languages}
currentLanguage={language}
/>
</fieldset>
</Stack.Col>
</div>
</section>
) : appState.openedMenu === "shape" && showSelectedShapeActions ? (
<section
className="App-mobile-menu"
aria-labelledby="selected-shape-title"
>
<h2 className="visually-hidden" id="selected-shape-title">
{t("headings.selectedShapeActions")}
</h2>
<div className="App-mobile-menu-scroller">
{renderSelectedShapeActions()}
</div>
</section>
) : null}
<FixedSideContainer side="top">
<section aria-labelledby="shapes-title">
<Stack.Col gap={4} align="center">
<Stack.Row gap={1}>
<Island padding={1}>
<h2 className="visually-hidden" id="shapes-title">
{t("headings.shapes")}
</h2>
<Stack.Row gap={1}>{renderShapesSwitcher()}</Stack.Row>
</Island>
</Stack.Row>
</Stack.Col>
</section>
<HintViewer
elementType={appState.elementType}
multiMode={appState.multiElement !== null}
isResizing={appState.isResizing}
elements={elements}
/>
</FixedSideContainer>
<footer className="App-toolbar">
<div className="App-toolbar-content">
{appState.multiElement ? (
<>
{actionManager.renderAction("deleteSelectedElements")}
<ToolButton
visible={showSelectedShapeActions}
type="button"
icon={palette}
aria-label={t("buttons.edit")}
onClick={() =>
setAppState(({ openedMenu }: any) => ({
openedMenu: openedMenu === "shape" ? null : "shape",
}))
}
/>
{actionManager.renderAction("finalize")}
</>
) : (
<>
<ToolButton
type="button"
icon={menu}
aria-label={t("buttons.menu")}
onClick={() =>
setAppState(({ openedMenu }: any) => ({
openedMenu: openedMenu === "canvas" ? null : "canvas",
}))
}
/>
<ToolButton
visible={showSelectedShapeActions}
type="button"
icon={palette}
aria-label={t("buttons.edit")}
onClick={() =>
setAppState(({ openedMenu }: any) => ({
openedMenu: openedMenu === "shape" ? null : "shape",
}))
}
/>
{actionManager.renderAction("deleteSelectedElements")}
{appState.scrolledOutside && (
<button
className="scroll-back-to-content"
onClick={() => {
setAppState({ ...calculateScrollCenter(elements) });
}}
>
{t("buttons.scrollBackToContent")}
</button>
)}
</>
)}
</div>
</footer>
</>
) : (
<>
<FixedSideContainer side="top">
<HintViewer
elementType={appState.elementType}
multiMode={appState.multiElement !== null}
isResizing={appState.isResizing}
elements={elements}
/>
<div className="App-menu App-menu_top">
<Stack.Col gap={4} align="end">
<section
className="App-right-menu"
aria-labelledby="canvas-actions-title"
>
<h2 className="visually-hidden" id="canvas-actions-title">
{t("headings.canvasActions")}
</h2>
<Island padding={4}>
<Stack.Col gap={4}>
<Stack.Row justifyContent={"space-between"}>
{actionManager.renderAction("loadScene")}
{actionManager.renderAction("saveScene")}
{renderExportDialog()}
{actionManager.renderAction("clearCanvas")}
</Stack.Row>
{actionManager.renderAction("changeViewBackgroundColor")}
</Stack.Col>
</Island>
</section>
{showSelectedShapeActions && (
<section
className="App-right-menu"
aria-labelledby="selected-shape-title"
>
<h2 className="visually-hidden" id="selected-shape-title">
{t("headings.selectedShapeActions")}
</h2>
<Island padding={4}>{renderSelectedShapeActions()}</Island>
</section>
)}
</Stack.Col>
<section aria-labelledby="shapes-title">
<Stack.Col gap={4} align="start">
<Stack.Row gap={1}>
<Island padding={1}>
<h2 className="visually-hidden" id="shapes-title">
{t("headings.shapes")}
</h2>
<Stack.Row gap={1}>{renderShapesSwitcher()}</Stack.Row>
</Island>
<LockIcon
checked={appState.elementLocked}
onChange={() => {
setAppState({
elementLocked: !appState.elementLocked,
elementType: appState.elementLocked
? "selection"
: appState.elementType,
});
}}
title={t("toolBar.lock")}
isButton={isMobile}
/>
</Stack.Row>
</Stack.Col>
</section>
<div />
</div>
<div className="App-menu App-menu_bottom">
<Stack.Col gap={2}>
<section aria-labelledby="canvas-zoom-actions-title">
<h2 className="visually-hidden" id="canvas-zoom-actions-title">
{t("headings.canvasActions")}
</h2>
<Island padding={1}>{renderZoomActions()}</Island>
</section>
</Stack.Col>
</div>
</FixedSideContainer>
<footer role="contentinfo">
<LanguageList
onChange={lng => {
setLanguage(lng);
setAppState({});
}}
languages={languages}
currentLanguage={language}
floating
/>
{appState.scrolledOutside && (
<button
className="scroll-back-to-content"
onClick={() => {
setAppState({ ...calculateScrollCenter(elements) });
}}
>
{t("buttons.scrollBackToContent")}
</button>
)}
</footer>
</>
);
},
(prev, next) => {
const getNecessaryObj = (appState: AppState): Partial<AppState> => {
const {
draggingElement,
resizingElement,
multiElement,
editingElement,
isResizing,
cursorX,
cursorY,
...ret
} = appState;
return ret;
};
const prevAppState = getNecessaryObj(prev.appState);
const nextAppState = getNecessaryObj(next.appState);
const keys = Object.keys(prevAppState) as (keyof Partial<AppState>)[];
return (
prev.language === next.language &&
prev.elements === next.elements &&
keys.every(k => prevAppState[k] === nextAppState[k])
);
},
);
export class App extends React.Component<any, AppState> {
canvas: HTMLCanvasElement | null = null;
rc: RoughCanvas | null = null;
actionManager: ActionManager;
canvasOnlyActions: Array<Action>;
constructor(props: any) {
super(props);
this.actionManager = new ActionManager(
this.syncActionResult,
() => this.state,
() => elements,
);
this.actionManager.registerAction(actionFinalize);
this.actionManager.registerAction(actionDeleteSelected);
this.actionManager.registerAction(actionSendToBack);
this.actionManager.registerAction(actionBringToFront);
this.actionManager.registerAction(actionSendBackward);
this.actionManager.registerAction(actionBringForward);
this.actionManager.registerAction(actionSelectAll);
this.actionManager.registerAction(actionChangeStrokeColor);
this.actionManager.registerAction(actionChangeBackgroundColor);
this.actionManager.registerAction(actionChangeFillStyle);
this.actionManager.registerAction(actionChangeStrokeWidth);
this.actionManager.registerAction(actionChangeOpacity);
this.actionManager.registerAction(actionChangeSloppiness);
this.actionManager.registerAction(actionChangeFontSize);
this.actionManager.registerAction(actionChangeFontFamily);
this.actionManager.registerAction(actionChangeViewBackgroundColor);
this.actionManager.registerAction(actionClearCanvas);
this.actionManager.registerAction(actionZoomIn);
this.actionManager.registerAction(actionZoomOut);
this.actionManager.registerAction(actionResetZoom);
this.actionManager.registerAction(actionChangeProjectName);
this.actionManager.registerAction(actionChangeExportBackground);
this.actionManager.registerAction(actionSaveScene);
this.actionManager.registerAction(actionLoadScene);
this.actionManager.registerAction(actionCopyStyles);
this.actionManager.registerAction(actionPasteStyles);
this.canvasOnlyActions = [actionSelectAll];
}
private syncActionResult = (
res: ActionResult,
commitToHistory: boolean = true,
) => {
if (this.unmounted) {
return;
}
if (res.elements) {
elements = res.elements;
if (commitToHistory) {
history.resumeRecording();
}
this.setState({});
}
if (res.appState) {
if (commitToHistory) {
history.resumeRecording();
}
this.setState({ ...res.appState });
}
};
private onCut = (e: ClipboardEvent) => {
if (isWritableElement(e.target)) {
return;
}
copyToAppClipboard(elements);
elements = deleteSelectedElements(elements);
history.resumeRecording();
this.setState({});
e.preventDefault();
};
private onCopy = (e: ClipboardEvent) => {
if (isWritableElement(e.target)) {
return;
}
copyToAppClipboard(elements);
e.preventDefault();
};
private onUnload = () => {
isHoldingSpace = false;
this.saveDebounced();
this.saveDebounced.flush();
};
private disableEvent: EventHandlerNonNull = e => {
e.preventDefault();
};
private unmounted = false;
public async componentDidMount() {
document.addEventListener("copy", this.onCopy);
document.addEventListener("paste", this.pasteFromClipboard);
document.addEventListener("cut", this.onCut);
document.addEventListener("keydown", this.onKeyDown, false);
document.addEventListener("keyup", this.onKeyUp, { passive: true });
document.addEventListener("mousemove", this.updateCurrentCursorPosition);
window.addEventListener("resize", this.onResize, false);
window.addEventListener("unload", this.onUnload, false);
window.addEventListener("blur", this.onUnload, false);
window.addEventListener("dragover", this.disableEvent, false);
window.addEventListener("drop", this.disableEvent, false);
const searchParams = new URLSearchParams(window.location.search);
const id = searchParams.get("id");
if (id) {
// Backwards compatibility with legacy url format
const scene = await loadScene(id);
this.syncActionResult(scene);
} else {
const match = window.location.hash.match(
/^#json=([0-9]+),([a-zA-Z0-9_-]+)$/,
);
if (match) {
const scene = await loadScene(match[1], match[2]);
this.syncActionResult(scene);
} else {
const scene = await loadScene(null);
this.syncActionResult(scene);
}
}
}
public componentWillUnmount() {
this.unmounted = true;
document.removeEventListener("copy", this.onCopy);
document.removeEventListener("paste", this.pasteFromClipboard);
document.removeEventListener("cut", this.onCut);
document.removeEventListener("keydown", this.onKeyDown, false);
document.removeEventListener(
"mousemove",
this.updateCurrentCursorPosition,
false,
);
document.removeEventListener("keyup", this.onKeyUp);
window.removeEventListener("resize", this.onResize, false);
window.removeEventListener("unload", this.onUnload, false);
window.removeEventListener("blur", this.onUnload, false);
window.removeEventListener("dragover", this.disableEvent, false);
window.removeEventListener("drop", this.disableEvent, false);
}
public state: AppState = getDefaultAppState();
private onResize = () => {
elements = elements.map(el => ({ ...el, shape: null }));
this.setState({});
};
private updateCurrentCursorPosition = (e: MouseEvent) => {
cursorX = e.x;
cursorY = e.y;
};
private onKeyDown = (event: KeyboardEvent) => {
if (
(isWritableElement(event.target) && event.key !== KEYS.ESCAPE) ||
// case: using arrows to move between buttons
(isArrowKey(event.key) && isInputLike(event.target))
) {
return;
}
if (this.actionManager.handleKeyDown(event)) {
return;
}
const shape = findShapeByKey(event.key);
if (isArrowKey(event.key)) {
const step = event.shiftKey
? ELEMENT_SHIFT_TRANSLATE_AMOUNT
: ELEMENT_TRANSLATE_AMOUNT;
elements = elements.map(el => {
if (el.isSelected) {
const element = { ...el };
if (event.key === KEYS.ARROW_LEFT) {
element.x -= step;
} else if (event.key === KEYS.ARROW_RIGHT) {
element.x += step;
} else if (event.key === KEYS.ARROW_UP) {
element.y -= step;
} else if (event.key === KEYS.ARROW_DOWN) {
element.y += step;
}
return element;
}
return el;
});
this.setState({});
event.preventDefault();
} else if (
shapesShortcutKeys.includes(event.key.toLowerCase()) &&
!event.ctrlKey &&
!event.altKey &&
!event.metaKey &&
this.state.draggingElement === null
) {
this.selectShapeTool(shape);
// Undo action
} else if (event[KEYS.META] && /z/i.test(event.key)) {
event.preventDefault();
if (
this.state.multiElement ||
this.state.resizingElement ||
this.state.editingElement ||
this.state.draggingElement
) {
return;
}
if (event.shiftKey) {
// Redo action
const data = history.redoOnce();
if (data !== null) {
elements = data.elements;
this.setState({ ...data.appState });
}
} else {
// undo action
const data = history.undoOnce();
if (data !== null) {
elements = data.elements;
this.setState({ ...data.appState });
}
}
} else if (event.key === KEYS.SPACE && gesture.pointers.length === 0) {
isHoldingSpace = true;
document.documentElement.style.cursor = CURSOR_TYPE.GRABBING;
}
};
private onKeyUp = (event: KeyboardEvent) => {
if (event.key === KEYS.SPACE) {
if (this.state.elementType === "selection") {
resetCursor();
} else {
elements = clearSelection(elements);
document.documentElement.style.cursor =
this.state.elementType === "text"
? CURSOR_TYPE.TEXT
: CURSOR_TYPE.CROSSHAIR;
this.setState({});
}
isHoldingSpace = false;
}
};
private copyToAppClipboard = () => {
copyToAppClipboard(elements);
};
private pasteFromClipboard = async (e: ClipboardEvent | null) => {
// #686
const target = document.activeElement;
const elementUnderCursor = document.elementFromPoint(cursorX, cursorY);
if (
// if no ClipboardEvent supplied, assume we're pasting via contextMenu
// thus these checks don't make sense
!e ||
(elementUnderCursor instanceof HTMLCanvasElement &&
!isWritableElement(target))
) {
const data = await getClipboardContent(e);
if (data.elements) {
this.addElementsFromPaste(data.elements);
} else if (data.text) {
const { x, y } = viewportCoordsToSceneCoords(
{ clientX: cursorX, clientY: cursorY },
this.state,
this.canvas,
);
const element = newTextElement(
newElement(
"text",
x,
y,
this.state.currentItemStrokeColor,
this.state.currentItemBackgroundColor,
this.state.currentItemFillStyle,
this.state.currentItemStrokeWidth,
this.state.currentItemRoughness,
this.state.currentItemOpacity,
),
data.text,
this.state.currentItemFont,
);
element.isSelected = true;
elements = [...clearSelection(elements), element];
history.resumeRecording();
}
this.selectShapeTool("selection");
e?.preventDefault();
}
};
private selectShapeTool(elementType: AppState["elementType"]) {
if (!isHoldingSpace) {
setCursorForShape(elementType);
}
if (isToolIcon(document.activeElement)) {
document.activeElement.blur();
}
if (elementType !== "selection") {
elements = clearSelection(elements);
}
this.setState({ elementType });
}
setAppState = (obj: any) => {
this.setState(obj);
};
setElements = (elements_: readonly ExcalidrawElement[]) => {
elements = elements_;
this.setState({});
};
removePointer = (e: React.PointerEvent<HTMLElement>) => {
gesture.pointers = gesture.pointers.filter(p => p.id !== e.pointerId);
};
public render() {
const canvasDOMWidth = window.innerWidth;
const canvasDOMHeight = window.innerHeight;
const canvasScale = window.devicePixelRatio;
const canvasWidth = canvasDOMWidth * canvasScale;
const canvasHeight = canvasDOMHeight * canvasScale;
return (
<div className="container">
<LayerUI
canvas={this.canvas}
appState={this.state}
setAppState={this.setAppState}
actionManager={this.actionManager}
elements={elements}
setElements={this.setElements}
language={getLanguage()}