Merge branch 'master' into mtolmacs/feat/constrained-pan-zoom

Signed-off-by: Mark Tolmacs <mark@lazycat.hu>
This commit is contained in:
Mark Tolmacs
2026-06-26 07:50:55 +00:00
12 changed files with 332 additions and 80 deletions
+1 -1
View File
@@ -552,4 +552,4 @@ export const MOBILE_ACTION_BUTTON_BG = {
} as const;
export const DEFAULT_STROKE_STREAMLINE = 0.5;
export const DEFAULT_STROKE_STREAMLINE_PRECISE = 0.3;
export const DEFAULT_STROKE_STREAMLINE_PRECISE = 0.2;
+1 -7
View File
@@ -26,7 +26,6 @@ import {
LINE_POLYGON_POINT_MERGE_DISTANCE,
applyDarkModeFilter,
DEFAULT_STROKE_STREAMLINE,
DEFAULT_STROKE_STREAMLINE_PRECISE,
} from "@excalidraw/common";
import { RoughGenerator } from "roughjs/bin/generator";
@@ -1186,20 +1185,15 @@ const VARIABLE_WIDTH_FREEDRAW = {
SIZE_FACTOR: 4.25,
THINNING: 0.6,
SMOOTHING: 0.5,
STREAMLINE: DEFAULT_STROKE_STREAMLINE,
} as const;
const CONSTANT_WIDTH_FREEDRAW = {
/** Stroke size relative to `strokeWidth` for uniform (laser) strokes. */
SIZE_FACTOR: 1.4,
STREAMLINE: DEFAULT_STROKE_STREAMLINE_PRECISE,
} as const;
const getFreedrawStreamline = (element: ExcalidrawFreeDrawElement) =>
element.strokeOptions?.streamline ??
(element.strokeOptions?.variability === "constant"
? CONSTANT_WIDTH_FREEDRAW.STREAMLINE
: VARIABLE_WIDTH_FREEDRAW.STREAMLINE);
element.strokeOptions?.streamline ?? DEFAULT_STROKE_STREAMLINE;
/**
* Pressure-sensitive (variable width) freedraw outline, rendered with
@@ -113,9 +113,6 @@ export const actionClearCanvas = register({
theme: appState.theme,
penMode: appState.penMode,
penDetected: appState.penDetected,
currentItemStrokeVariability: appState.penDetected
? "variable"
: "constant",
exportBackground: appState.exportBackground,
exportEmbedScene: appState.exportEmbedScene,
gridSize: appState.gridSize,
@@ -87,6 +87,7 @@ import type { CaptureUpdateActionType } from "@excalidraw/element";
import { trackEvent } from "../analytics";
import { RadioSelection } from "../components/RadioSelection";
import { ToolButton } from "../components/ToolButton";
import { ColorPicker } from "../components/ColorPicker/ColorPicker";
import { FontPicker } from "../components/FontPicker/FontPicker";
import { IconPicker } from "../components/IconPicker";
@@ -718,6 +719,25 @@ export const actionChangeFreedrawMode = register<StrokeVariability>({
hasSelection ? null : appState.currentItemStrokeVariability,
) ?? appState.currentItemStrokeVariability;
// in the compact UI the pressure setting is rendered as a single button
// that cycles between the two variability modes on click
if (data?.cycle) {
const isVariable = strokeVariability === "variable";
return (
<ToolButton
type="button"
icon={
isVariable
? strokeVariabilityVariableIcon
: strokeVariabilityConstantIcon
}
title={t("labels.pressure")}
aria-label={t("labels.pressure")}
onClick={() => updateData(isVariable ? "constant" : "variable")}
/>
);
}
return (
<fieldset>
<legend>{t("labels.pressure")}</legend>
+42 -13
View File
@@ -395,11 +395,17 @@ const CombinedShapeProperties = ({
hasStrokeWidth(element.type),
)) &&
renderAction("changeStrokeWidth")}
{(hasFreedrawMode(appState.activeTool.type) ||
targetElements.some((element) =>
hasFreedrawMode(element.type),
)) &&
renderAction("changeFreedrawMode")}
{
/* in compact UI the freedraw pressure setting is rendered as a
standalone cycle button in the compact actions list; we render
it in the combined properties popup as well for clarity
*/
(hasFreedrawMode(appState.activeTool.type) ||
targetElements.some((element) =>
hasFreedrawMode(element.type),
)) &&
renderAction("changeFreedrawMode")
}
{(hasStrokeStyle(appState.activeTool.type) ||
targetElements.some((element) =>
hasStrokeStyle(element.type),
@@ -832,6 +838,14 @@ export const CompactShapeActions = ({
</div>
)}
{/* Freedraw pressure: standalone button cycling the variability mode */}
{(hasFreedrawMode(appState.activeTool.type) ||
targetElements.some((element) => hasFreedrawMode(element.type))) && (
<div className="compact-action-item">
{renderAction("changeFreedrawMode", { cycle: true })}
</div>
)}
<CombinedShapeProperties
appState={appState}
renderAction={renderAction}
@@ -1060,6 +1074,11 @@ export const ShapesSwitcher = ({
const isFullStylesPanel = stylesPanelMode === "full";
const isCompactStylesPanel = stylesPanelMode === "compact";
// a pen detected on a tool button's pointer-down, to be applied (enabling
// pen mode) only after the tap's `change` has committed — see the tool
// button handlers below
const pendingPenDetectionRef = useRef(false);
const SELECTION_TOOLS = [
{
type: "selection",
@@ -1158,8 +1177,13 @@ export const ShapesSwitcher = ({
aria-keyshortcuts={shortcut}
data-testid={`toolbar-${value}`}
onPointerDown={({ pointerType }) => {
// Detect the pen here (pointerType is reliable on pointer-down)
// but DON'T enable pen mode yet: calling setState mid-gesture
// re-renders the controlled radio and, on iOS/iPadOS, aborts
// the ensuing click so the tool isn't selected on the first pen
// tap. Defer it until the tap's `change` has committed (below).
if (!app.state.penDetected && pointerType === "pen") {
app.togglePenMode(true);
pendingPenDetectionRef.current = true;
}
if (value === "selection") {
@@ -1170,16 +1194,21 @@ export const ShapesSwitcher = ({
}
}
}}
onChange={({ pointerType }) => {
onChange={() => {
if (app.state.activeTool.type !== value) {
trackEvent("toolbar", value, "ui");
}
if (value === "image") {
app.setActiveTool({
type: value,
});
} else {
app.setActiveTool({ type: value });
app.setActiveTool({ type: value });
// Apply the pen detection captured on pointer-down now that the
// tool is selected. rAF keeps the resulting re-render out of the
// `change` event itself. We rely on the pointer-down detection
// rather than this handler's pointerType because the latter is
// unreliable on iOS (its backing ref is cleared before the
// delayed click fires).
if (pendingPenDetectionRef.current) {
pendingPenDetectionRef.current = false;
requestAnimationFrame(() => app.togglePenMode(true));
}
}}
/>
+31 -10
View File
@@ -4315,7 +4315,9 @@ class App extends React.Component<AppProps, AppState> {
return {
penMode: force ?? !prevState.penMode,
penDetected: true,
currentItemStrokeVariability: "variable",
currentItemStrokeVariability: !prevState.penDetected
? "variable"
: prevState.currentItemStrokeVariability,
};
});
};
@@ -4369,20 +4371,39 @@ class App extends React.Component<AppProps, AppState> {
if (!elements.length) {
if (typeof target === "string" && isElementLink(target)) {
this.setState({
toast: {
message: t("elementLink.notFound"),
duration: 3000,
closable: true,
},
});
}
this.setState({
toast: {
message: t("elementLink.notFound"),
duration: 3000,
closable: true,
},
});
return;
}
this.setScrollConstraints(null);
scrollToElements(this.state, elements, this.setState.bind(this), opts);
// Navigating to an element by id or element-link defaults to zooming the
// element into view, animated — matching the historical element-link
// behavior — unless the caller opts out.
const resolvedOpts =
typeof target === "string"
? {
...opts,
fitToViewport: undefined,
fitToContent: opts?.fitToContent ?? true,
animate: opts?.animate ?? true,
}
: opts;
scrollToElements(
this.state,
elements,
this.setState.bind(this),
resolvedOpts,
);
};
private maybeUnfollowRemoteUser = () => {
@@ -8965,7 +8986,7 @@ class App extends React.Component<AppProps, AppState> {
strokeOptions: {
variability: strokeVariability,
streamline:
strokeVariability === "constant" && event.pointerType !== "mouse"
event.pointerType !== "mouse"
? DEFAULT_STROKE_STREAMLINE_PRECISE
: DEFAULT_STROKE_STREAMLINE,
},
@@ -120,6 +120,24 @@
}
}
// on tablet, the pen mode button is rendered as a separate floating button
// below the compact actions menu (see LayerUI.tsx)
.App-menu_top__left > .ToolIcon__penMode {
justify-self: center;
.ToolIcon__icon {
width: var(--lg-button-size);
height: var(--lg-button-size);
background-color: var(--island-bg-color);
box-shadow: var(--shadow-island);
}
// no shadow while pen mode is active (the active fill is enough)
.ToolIcon_type_checkbox:checked + .ToolIcon__icon {
box-shadow: none;
}
}
.disable-view-mode {
display: flex;
justify-content: center;
+30 -10
View File
@@ -235,8 +235,6 @@ const LayerUI = ({
);
const renderSelectedShapeActions = () => {
const isCompactMode = isCompactStylesPanel;
return (
<Section
heading="selectedShapeActions"
@@ -244,7 +242,7 @@ const LayerUI = ({
"transition-left": appState.zenModeEnabled,
})}
>
{isCompactMode ? (
{isCompactStylesPanel ? (
<Island
className={clsx("compact-shape-actions-island")}
padding={0}
@@ -312,6 +310,23 @@ const LayerUI = ({
>
{shouldRenderSelectedShapeActions && renderSelectedShapeActions()}
</div>
{/* in compact UI the pen mode button lives outside the toolbar, as
a separate floating button below the compact actions menu
(same as we render it on mobile); shown alongside the compact
actions island, i.e. when a drawing tool or elements are
selected */}
{isCompactStylesPanel &&
!appState.viewModeEnabled &&
shouldRenderSelectedShapeActions && (
<PenModeButton
zenModeEnabled={appState.zenModeEnabled}
checked={appState.penMode}
onChange={() => onPenModeToggle(null)}
title={t("toolBar.penMode")}
isMobile
penDetected={appState.penDetected}
/>
)}
</Stack.Col>
{!appState.viewModeEnabled &&
appState.openDialog?.name !== "elementLinkSelector" && (
@@ -343,13 +358,18 @@ const LayerUI = ({
/>
{heading}
<Stack.Row gap={spacing.toolbarInnerRowGap}>
<PenModeButton
zenModeEnabled={appState.zenModeEnabled}
checked={appState.penMode}
onChange={() => onPenModeToggle(null)}
title={t("toolBar.penMode")}
penDetected={appState.penDetected}
/>
{/* in compact UI the pen mode button is rendered
as a separate floating button below the compact
actions menu */}
{!isCompactStylesPanel && (
<PenModeButton
zenModeEnabled={appState.zenModeEnabled}
checked={appState.penMode}
onChange={() => onPenModeToggle(null)}
title={t("toolBar.penMode")}
penDetected={appState.penDetected}
/>
)}
<LockButton
checked={appState.activeTool.locked}
onChange={onLockToggle}
+36 -33
View File
@@ -101,7 +101,38 @@ type RestoredAppState = Omit<
"offsetTop" | "offsetLeft" | "width" | "height"
>;
const MAX_ARROW_PX = 75_000;
const MAX_LINEAR_PX = 75_000;
// Last resort fix for extremely large linear elements (lines / arrows), which
// would otherwise freeze the editor while rendering — e.g. a dotted or dashed
// stroke spanning a huge distance generates an enormous dash array.
// https://github.com/excalidraw/excalidraw/issues/11497
const handleOversizedLinearElements = <T extends ExcalidrawLinearElement>(
element: T,
): T => {
if (element.width <= MAX_LINEAR_PX && element.height <= MAX_LINEAR_PX) {
return element;
}
const label =
element.type === "arrow"
? `${isElbowArrow(element) ? "elbow" : "simple"} arrow`
: element.type;
console.error(
`Removing extremely large ${label} ${element.id} (width: ${element.width}, height: ${element.height}, x: ${element.x}, y: ${element.y})`,
);
return {
...element,
x: 0,
y: 0,
width: 100,
height: 100,
points: [pointFrom<LocalPoint>(0, 0), pointFrom<LocalPoint>(100, 100)],
isDeleted: true,
};
};
const restoreLinearElementPoints = (
points: unknown,
@@ -560,7 +591,7 @@ export const restoreElement = (
} as ExcalidrawLinearElement));
}
return restoreElementWithProperties(element, {
const restoredLine = restoreElementWithProperties(element, {
type: "line",
startBinding: null,
endBinding: null,
@@ -578,6 +609,8 @@ export const restoreElement = (
: {}),
...getSizeFromPoints(points),
});
return handleOversizedLinearElements(restoredLine);
case "arrow": {
const startArrowhead = normalizeArrowhead(element.startArrowhead);
const endArrowhead =
@@ -644,37 +677,7 @@ export const restoreElement = (
),
};
// Last resort fix for extremely large arrows
if (
normalizedRestoredElement.width > MAX_ARROW_PX ||
normalizedRestoredElement.height > MAX_ARROW_PX
) {
console.error(
`Removing extremely large arrow ${
normalizedRestoredElement.id
} (type: ${
isElbowArrow(normalizedRestoredElement) ? "elbow" : "simple"
}, width: ${normalizedRestoredElement.width}, height: ${
normalizedRestoredElement.height
}, x: ${normalizedRestoredElement.x}, y: ${
normalizedRestoredElement.y
})`,
);
return {
...normalizedRestoredElement,
x: 0,
y: 0,
width: 100,
height: 100,
points: [
pointFrom<LocalPoint>(0, 0),
pointFrom<LocalPoint>(100, 100),
],
isDeleted: true,
};
}
return normalizedRestoredElement;
return handleOversizedLinearElements(normalizedRestoredElement);
}
// generic elements
+13 -3
View File
@@ -176,7 +176,12 @@ export const animateToConstraints = (
export const scrollToElements = (
state: AppState,
target: readonly ExcalidrawElement[],
onFrame: (state: Pick<AppState, "scrollX" | "scrollY" | "zoom">) => void,
onFrame: (
state: Pick<
AppState,
"scrollX" | "scrollY" | "zoom" | "shouldCacheIgnoreZoom"
>,
) => void,
opts?: ScrollToContentOptions,
) => {
AnimationController.cancel(SCROLL_TO_CONTENT_ANIMATION_KEY);
@@ -191,7 +196,9 @@ export const scrollToElements = (
onFrame,
);
} else {
onFrame(viewport);
// no animation: jump straight to the target. Re-enable zoom caching in
// case we just cancelled an in-flight animation that had suppressed it.
onFrame({ ...viewport, shouldCacheIgnoreZoom: false });
}
};
@@ -265,7 +272,10 @@ const animateToViewport = (
},
});
return { elapsed };
// returning a falsy value signals the AnimationController to remove the
// animation; otherwise it would keep ticking (and calling onFrame) every
// frame forever after reaching the target
return progress < 1 ? { elapsed } : null;
},
);
};
@@ -526,6 +526,53 @@ describe("restoreElements", () => {
]);
});
it("should mark extremely large linear elements as deleted to avoid freezing", () => {
const consoleError = vi
.spyOn(console, "error")
.mockImplementation(() => {});
// a degenerate line with astronomical coordinates (see #11497)
const hugeLine: any = API.createElement({
type: "line",
x: 419048829414166,
y: 8484,
});
hugeLine.points = [
[0, 0],
[-302985021938436, 0],
[-838097658820234, 30],
];
const hugeArrow: any = API.createElement({ type: "arrow" });
hugeArrow.points = [
[0, 0],
[900000, 0],
];
const normalLine: any = API.createElement({ type: "line" });
normalLine.points = [
[0, 0],
[100, 200],
];
const [restoredLine, restoredArrow, restoredNormal] =
restore.restoreElements([hugeLine, hugeArrow, normalLine], null);
expect(restoredLine.isDeleted).toBe(true);
expect(restoredLine.width).toBe(100);
expect(restoredLine.height).toBe(100);
expect(restoredArrow.isDeleted).toBe(true);
expect(restoredArrow.width).toBe(100);
expect(restoredArrow.height).toBe(100);
expect(restoredNormal.isDeleted).toBe(false);
expect(restoredNormal.width).toBe(100);
expect(restoredNormal.height).toBe(200);
consoleError.mockRestore();
});
it("when the number of points of a line is greater or equal 2", () => {
const lineElement_0 = API.createElement({
type: "line",
@@ -2,6 +2,7 @@ import React from "react";
import { Excalidraw } from "../index";
import { AnimationController } from "../renderer/animation";
import { SCROLL_TO_CONTENT_ANIMATION_KEY } from "../scroll";
import { API } from "./helpers/api";
import { act, render } from "./test-utils";
@@ -35,6 +36,31 @@ const waitForAnimationProgress = (frames = 4) => {
);
};
/**
* Polls until the scroll/zoom animation has removed itself from the
* `AnimationController` (i.e. it ran to completion), or until `maxFrames`
* elapses as a safety net so a regression can't hang the suite.
*/
const waitForAnimationToStop = (maxFrames = 200) => {
return act(
() =>
new Promise<void>((resolve) => {
let remaining = maxFrames;
const check = () => {
if (
!AnimationController.running(SCROLL_TO_CONTENT_ANIMATION_KEY) ||
--remaining <= 0
) {
resolve();
} else {
requestAnimationFrame(check);
}
};
requestAnimationFrame(check);
}),
);
};
describe("fitToContent", () => {
it("should zoom to fit the selected element", async () => {
await render(<Excalidraw />);
@@ -93,6 +119,34 @@ describe("fitToContent", () => {
expect(h.state.zoom.value).toBeLessThanOrEqual(0.1);
});
it("should default to fitToContent when scrolling to an element by id", async () => {
await render(<Excalidraw />);
h.state.width = 10;
h.state.height = 10;
const rectElement = API.createElement({
width: 50,
height: 100,
x: 50,
y: 100,
});
API.setElements([rectElement]);
expect(h.state.zoom.value).toBe(1);
act(() => {
// navigating by element id (a string target) should zoom-to-fit by
// default, even though no `fitToContent` option was passed
h.app.scrollToContent(rectElement.id, { animate: false });
});
// element is 10x taller than the viewport, so fit-to-content should
// drop the zoom to <= 1/10
expect(h.state.zoom.value).toBeLessThanOrEqual(0.1);
});
it("should scroll the viewport to the selected element", async () => {
await render(<Excalidraw />);
@@ -213,4 +267,43 @@ describe("fitToContent animated", () => {
expect(h.state.scrollX).not.toBe(prevScrollX);
expect(h.state.scrollY).not.toBe(prevScrollY);
});
it("should stop ticking and settle on the target once complete", async () => {
await render(<Excalidraw />);
h.state.width = 10;
h.state.height = 10;
const rectElement = API.createElement({
width: 100,
height: 100,
x: -100,
y: -100,
});
act(() => {
// a short duration so the animation completes within a few frames
h.app.scrollToContent(rectElement, { animate: true, duration: 10 });
});
await waitForAnimationToStop();
// the animation must remove itself from the controller rather than keep
// ticking forever after reaching the target
expect(AnimationController.running(SCROLL_TO_CONTENT_ANIMATION_KEY)).toBe(
false,
);
// it should have settled on the target viewport (moved off the origin)
const settledScrollX = h.state.scrollX;
const settledScrollY = h.state.scrollY;
expect(settledScrollX).not.toBe(0);
expect(settledScrollY).not.toBe(0);
expect(h.state.shouldCacheIgnoreZoom).toBe(false);
// further frames must not move the viewport (no perpetual re-rendering)
await waitForAnimationProgress();
expect(h.state.scrollX).toBe(settledScrollX);
expect(h.state.scrollY).toBe(settledScrollY);
});
});