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fix: make arrow binding area adapt to zoom levels (#8927)

Browse Source 
* make binding area adapt to zoom

* revert stroke color

* normalize binding gap

* reduce normalized gap
pull/8896/merge
Ryan Di 1 month ago committed by GitHub
parent 873698a1a2
commit 1e3399eac8
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
14 changed files with 247 additions and 119 deletions
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1
packages/excalidraw/actions/actionDeleteSelected.tsx
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@ -161,6 +161,7 @@ export const actionDeleteSelected = register({
element,
selectedPointsIndices,
elementsMap,
appState.zoom,
);
return {

1
packages/excalidraw/actions/actionFlip.ts
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@ -153,6 +153,7 @@ const flipElements = (
app.scene,
isBindingEnabled(appState),
[],
appState.zoom,
);
// ---------------------------------------------------------------------------

2
packages/excalidraw/actions/actionProperties.tsx
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@ -1591,6 +1591,7 @@ export const actionChangeArrowType = register({
tupleToCoors(startGlobalPoint),
elements,
elementsMap,
appState.zoom,
true,
);
const endHoveredElement =
@ -1599,6 +1600,7 @@ export const actionChangeArrowType = register({
tupleToCoors(endGlobalPoint),
elements,
elementsMap,
appState.zoom,
true,
);
const startElement = startHoveredElement

16
packages/excalidraw/components/App.tsx
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@ -3215,6 +3215,10 @@ class App extends React.Component<AppProps, AppState> {
),
),
[el.points[0], el.points[el.points.length - 1]],
undefined,
{
zoom: this.state.zoom,
},
),
};
}
@ -4372,6 +4376,7 @@ class App extends React.Component<AppProps, AppState> {
updateBoundElements(element, this.scene.getNonDeletedElementsMap(), {
simultaneouslyUpdated: selectedElements,
zoom: this.state.zoom,
});
});
@ -4381,6 +4386,7 @@ class App extends React.Component<AppProps, AppState> {
(element) => element.id !== elbowArrow?.id || step !== 0,
),
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
),
});
@ -4596,6 +4602,7 @@ class App extends React.Component<AppProps, AppState> {
this.scene,
isBindingEnabled(this.state),
this.state.selectedLinearElement?.selectedPointsIndices ?? [],
this.state.zoom,
);
this.setState({ suggestedBindings: [] });
}
@ -5854,6 +5861,7 @@ class App extends React.Component<AppProps, AppState> {
{
isDragging: true,
informMutation: false,
zoom: this.state.zoom,
},
);
} else {
@ -7401,6 +7409,7 @@ class App extends React.Component<AppProps, AppState> {
pointerDownState.origin,
this.scene.getNonDeletedElements(),
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
);
this.setState({
@ -7698,6 +7707,7 @@ class App extends React.Component<AppProps, AppState> {
pointerDownState.origin,
this.scene.getNonDeletedElements(),
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
isElbowArrow(element),
);
@ -8276,6 +8286,7 @@ class App extends React.Component<AppProps, AppState> {
suggestedBindings: getSuggestedBindingsForArrows(
selectedElements,
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
),
});
}
@ -8444,6 +8455,7 @@ class App extends React.Component<AppProps, AppState> {
{
isDragging: true,
informMutation: false,
zoom: this.state.zoom,
},
);
} else if (points.length === 2) {
@ -9408,6 +9420,7 @@ class App extends React.Component<AppProps, AppState> {
this.scene,
isBindingEnabled(this.state),
this.state.selectedLinearElement?.selectedPointsIndices ?? [],
this.state.zoom,
);
}
@ -9900,6 +9913,7 @@ class App extends React.Component<AppProps, AppState> {
pointerCoords,
this.scene.getNonDeletedElements(),
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
);
this.setState({
suggestedBindings:
@ -9928,6 +9942,7 @@ class App extends React.Component<AppProps, AppState> {
coords,
this.scene.getNonDeletedElements(),
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
isArrowElement(linearElement) && isElbowArrow(linearElement),
);
if (
@ -10569,6 +10584,7 @@ class App extends React.Component<AppProps, AppState> {
const suggestedBindings = getSuggestedBindingsForArrows(
selectedElements,
this.scene.getNonDeletedElementsMap(),
this.state.zoom,
);
const elementsToHighlight = new Set<ExcalidrawElement>();

2
packages/excalidraw/components/Stats/utils.ts
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@ -300,6 +300,7 @@ export const updateBindings = (
options?: {
simultaneouslyUpdated?: readonly ExcalidrawElement[];
newSize?: { width: number; height: number };
zoom?: AppState["zoom"];
},
) => {
if (isLinearElement(latestElement)) {
@ -310,6 +311,7 @@ export const updateBindings = (
scene,
true,
[],
options?.zoom,
);
} else {
updateBoundElements(latestElement, elementsMap, options);

58
packages/excalidraw/data/__snapshots__/transform.test.ts.snap
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@ -95,7 +95,7 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
"fillStyle": "solid",
"frameId": null,
"groupIds": [],
"height": 35,
"height": 33.519031369643244,
"id": Any<String>,
"index": "a2",
"isDeleted": false,
@ -109,8 +109,8 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
0.5,
],
[
394.5,
34.5,
382.47606040672997,
34.019031369643244,
],
],
"roughness": 1,
@ -128,9 +128,9 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 7,
"versionNonce": Any<Number>,
"width": 395,
"width": 381.97606040672997,
"x": 247,
"y": 420,
}
@ -167,7 +167,7 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
0,
],
[
399.5,
389.5,
0,
],
],
@ -186,10 +186,10 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing s
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 6,
"versionNonce": Any<Number>,
"width": 400,
"x": 227,
"width": 390,
"x": 237,
"y": 450,
}
`;
@ -319,7 +319,7 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
"verticalAlign": "top",
"width": 100,
"x": 560,
"y": 226.5,
"y": 236.95454545454544,
}
`;
@ -339,13 +339,13 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
"endBinding": {
"elementId": "text-2",
"fixedPoint": null,
"focus": 0,
"gap": 205,
"focus": 1.625925925925924,
"gap": 14,
},
"fillStyle": "solid",
"frameId": null,
"groupIds": [],
"height": 0,
"height": 18.278619528619487,
"id": Any<String>,
"index": "a2",
"isDeleted": false,
@ -356,11 +356,11 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
"points": [
[
0.5,
0,
-0.5,
],
[
99.5,
0,
357.2037037037038,
-17.778619528619487,
],
],
"roughness": 1,
@ -378,11 +378,11 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to existing t
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 6,
"versionNonce": Any<Number>,
"width": 100,
"x": 255,
"y": 239,
"width": 357.7037037037038,
"x": 171,
"y": 249.45454545454544,
}
`;
@ -482,7 +482,7 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to shapes whe
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 6,
"versionNonce": Any<Number>,
"width": 100,
"x": 255,
@ -660,7 +660,7 @@ exports[`Test Transform > Test arrow bindings > should bind arrows to text when
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 6,
"versionNonce": Any<Number>,
"width": 100,
"x": 255,
@ -1505,7 +1505,7 @@ exports[`Test Transform > should transform the elements correctly when linear el
0,
],
[
272.485,
270.98528125,
0,
],
],
@ -1526,10 +1526,10 @@ exports[`Test Transform > should transform the elements correctly when linear el
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 7,
"versionNonce": Any<Number>,
"width": 272.985,
"x": 111.262,
"width": 270.48528125,
"x": 112.76171875,
"y": 57,
}
`;
@ -1587,11 +1587,11 @@ exports[`Test Transform > should transform the elements correctly when linear el
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 4,
"version": 6,
"versionNonce": Any<Number>,
"width": 0,
"x": 77.017,
"y": 79,
"x": 83.015625,
"y": 81.5,
}
`;

2
packages/excalidraw/data/transform.test.ts
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@ -779,7 +779,7 @@ describe("Test Transform", () => {
elementId: "rect-1",
fixedPoint: null,
focus: 0,
gap: 205,
gap: 14,
});
expect(rect.boundElements).toStrictEqual([
{

94
packages/excalidraw/element/binding.ts
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@ -40,7 +40,6 @@ import {
isBoundToContainer,
isElbowArrow,
isFixedPointBinding,
isFrameLikeElement,
isLinearElement,
isRectangularElement,
isTextElement,
@ -97,6 +96,8 @@ export const isBindingEnabled = (appState: AppState): boolean => {
};
export const FIXED_BINDING_DISTANCE = 5;
export const BINDING_HIGHLIGHT_THICKNESS = 10;
export const BINDING_HIGHLIGHT_OFFSET = 4;
const getNonDeletedElements = (
scene: Scene,
@ -213,6 +214,7 @@ const getOriginalBindingIfStillCloseOfLinearElementEdge = (
linearElement: NonDeleted<ExcalidrawLinearElement>,
edge: "start" | "end",
elementsMap: NonDeletedSceneElementsMap,
zoom?: AppState["zoom"],
): NonDeleted<ExcalidrawElement> | null => {
const coors = getLinearElementEdgeCoors(linearElement, edge, elementsMap);
const elementId =
@ -223,7 +225,7 @@ const getOriginalBindingIfStillCloseOfLinearElementEdge = (
const element = elementsMap.get(elementId);
if (
isBindableElement(element) &&
bindingBorderTest(element, coors, elementsMap)
bindingBorderTest(element, coors, elementsMap, zoom)
) {
return element;
}
@ -235,12 +237,14 @@ const getOriginalBindingIfStillCloseOfLinearElementEdge = (
const getOriginalBindingsIfStillCloseToArrowEnds = (
linearElement: NonDeleted<ExcalidrawLinearElement>,
elementsMap: NonDeletedSceneElementsMap,
zoom?: AppState["zoom"],
): (NonDeleted<ExcalidrawElement> | null)[] =>
["start", "end"].map((edge) =>
getOriginalBindingIfStillCloseOfLinearElementEdge(
linearElement,
edge as "start" | "end",
elementsMap,
zoom,
),
);
@ -250,6 +254,7 @@ const getBindingStrategyForDraggingArrowEndpoints = (
draggingPoints: readonly number[],
elementsMap: NonDeletedSceneElementsMap,
elements: readonly NonDeletedExcalidrawElement[],
zoom?: AppState["zoom"],
): (NonDeleted<ExcalidrawBindableElement> | null | "keep")[] => {
const startIdx = 0;
const endIdx = selectedElement.points.length - 1;
@ -262,6 +267,7 @@ const getBindingStrategyForDraggingArrowEndpoints = (
"start",
elementsMap,
elements,
zoom,
)
: null // If binding is disabled and start is dragged, break all binds
: // We have to update the focus and gap of the binding, so let's rebind
@ -270,6 +276,7 @@ const getBindingStrategyForDraggingArrowEndpoints = (
"start",
elementsMap,
elements,
zoom,
);
const end = endDragged
? isBindingEnabled
@ -278,6 +285,7 @@ const getBindingStrategyForDraggingArrowEndpoints = (
"end",
elementsMap,
elements,
zoom,
)
: null // If binding is disabled and end is dragged, break all binds
: // We have to update the focus and gap of the binding, so let's rebind
@ -286,6 +294,7 @@ const getBindingStrategyForDraggingArrowEndpoints = (
"end",
elementsMap,
elements,
zoom,
);
return [start, end];
@ -296,10 +305,12 @@ const getBindingStrategyForDraggingArrowOrJoints = (
elementsMap: NonDeletedSceneElementsMap,
elements: readonly NonDeletedExcalidrawElement[],
isBindingEnabled: boolean,
zoom?: AppState["zoom"],
): (NonDeleted<ExcalidrawBindableElement> | null | "keep")[] => {
const [startIsClose, endIsClose] = getOriginalBindingsIfStillCloseToArrowEnds(
selectedElement,
elementsMap,
zoom,
);
const start = startIsClose
? isBindingEnabled
@ -308,6 +319,7 @@ const getBindingStrategyForDraggingArrowOrJoints = (
"start",
elementsMap,
elements,
zoom,
)
: null
: null;
@ -318,6 +330,7 @@ const getBindingStrategyForDraggingArrowOrJoints = (
"end",
elementsMap,
elements,
zoom,
)
: null
: null;
@ -332,6 +345,7 @@ export const bindOrUnbindLinearElements = (
scene: Scene,
isBindingEnabled: boolean,
draggingPoints: readonly number[] | null,
zoom?: AppState["zoom"],
): void => {
selectedElements.forEach((selectedElement) => {
const [start, end] = draggingPoints?.length
@ -342,6 +356,7 @@ export const bindOrUnbindLinearElements = (
draggingPoints ?? [],
elementsMap,
elements,
zoom,
)
: // The arrow itself (the shaft) or the inner joins are dragged
getBindingStrategyForDraggingArrowOrJoints(
@ -349,6 +364,7 @@ export const bindOrUnbindLinearElements = (
elementsMap,
elements,
isBindingEnabled,
zoom,
);
bindOrUnbindLinearElement(selectedElement, start, end, elementsMap, scene);
@ -358,6 +374,7 @@ export const bindOrUnbindLinearElements = (
export const getSuggestedBindingsForArrows = (
selectedElements: NonDeleted<ExcalidrawElement>[],
elementsMap: NonDeletedSceneElementsMap,
zoom: AppState["zoom"],
): SuggestedBinding[] => {
// HOT PATH: Bail out if selected elements list is too large
if (selectedElements.length > 50) {
@ -368,7 +385,7 @@ export const getSuggestedBindingsForArrows = (
selectedElements
.filter(isLinearElement)
.flatMap((element) =>
getOriginalBindingsIfStillCloseToArrowEnds(element, elementsMap),
getOriginalBindingsIfStillCloseToArrowEnds(element, elementsMap, zoom),
)
.filter(
(element): element is NonDeleted<ExcalidrawBindableElement> =>
@ -406,6 +423,7 @@ export const maybeBindLinearElement = (
pointerCoords,
elements,
elementsMap,
appState.zoom,
isElbowArrow(linearElement) && isElbowArrow(linearElement),
);
@ -422,6 +440,26 @@ export const maybeBindLinearElement = (
}
};
const normalizePointBinding = (
binding: { focus: number; gap: number },
hoveredElement: ExcalidrawBindableElement,
) => {
let gap = binding.gap;
const maxGap = maxBindingGap(
hoveredElement,
hoveredElement.width,
hoveredElement.height,
);
if (gap > maxGap) {
gap = BINDING_HIGHLIGHT_THICKNESS + BINDING_HIGHLIGHT_OFFSET;
}
return {
...binding,
gap,
};
};
export const bindLinearElement = (
linearElement: NonDeleted<ExcalidrawLinearElement>,
hoveredElement: ExcalidrawBindableElement,
@ -433,11 +471,14 @@ export const bindLinearElement = (
}
const binding: PointBinding = {
elementId: hoveredElement.id,
...calculateFocusAndGap(
linearElement,
...normalizePointBinding(
calculateFocusAndGap(
linearElement,
hoveredElement,
startOrEnd,
elementsMap,
),
hoveredElement,
startOrEnd,
elementsMap,
),
...(isElbowArrow(linearElement)
? calculateFixedPointForElbowArrowBinding(
@ -462,6 +503,12 @@ export const bindLinearElement = (
}),
});
}
// update bound elements to make sure the binding tips are in sync with
// the normalized gap from above
if (!isElbowArrow(linearElement)) {
updateBoundElements(hoveredElement, elementsMap);
}
};
// Don't bind both ends of a simple segment
@ -514,6 +561,7 @@ export const getHoveredElementForBinding = (
},
elements: readonly NonDeletedExcalidrawElement[],
elementsMap: NonDeletedSceneElementsMap,
zoom?: AppState["zoom"],
fullShape?: boolean,
): NonDeleted<ExcalidrawBindableElement> | null => {
const hoveredElement = getElementAtPosition(
@ -524,11 +572,13 @@ export const getHoveredElementForBinding = (
element,
pointerCoords,
elementsMap,
zoom,
// disable fullshape snapping for frame elements so we
// can bind to frame children
fullShape && !isFrameLikeElement(element),
fullShape,
),
);
return hoveredElement as NonDeleted<ExcalidrawBindableElement> | null;
};
@ -578,9 +628,11 @@ export const updateBoundElements = (
simultaneouslyUpdated?: readonly ExcalidrawElement[];
newSize?: { width: number; height: number };
changedElements?: Map<string, OrderedExcalidrawElement>;
zoom?: AppState["zoom"];
},
) => {
const { newSize, simultaneouslyUpdated, changedElements } = options ?? {};
const { newSize, simultaneouslyUpdated, changedElements, zoom } =
options ?? {};
const simultaneouslyUpdatedElementIds = getSimultaneouslyUpdatedElementIds(
simultaneouslyUpdated,
);
@ -670,6 +722,7 @@ export const updateBoundElements = (
},
{
changedElements,
zoom,
},
);
@ -703,6 +756,7 @@ export const getHeadingForElbowArrowSnap = (
aabb: Bounds | undefined | null,
elementsMap: ElementsMap,
origPoint: GlobalPoint,
zoom?: AppState["zoom"],
): Heading => {
const otherPointHeading = vectorToHeading(vectorFromPoint(otherPoint, p));
@ -714,6 +768,7 @@ export const getHeadingForElbowArrowSnap = (
origPoint,
bindableElement,
elementsMap,
zoom,
);
if (!distance) {
@ -737,6 +792,7 @@ const getDistanceForBinding = (
point: Readonly<GlobalPoint>,
bindableElement: ExcalidrawBindableElement,
elementsMap: ElementsMap,
zoom?: AppState["zoom"],
) => {
const distance = distanceToBindableElement(
bindableElement,
@ -747,6 +803,7 @@ const getDistanceForBinding = (
bindableElement,
bindableElement.width,
bindableElement.height,
zoom,
);
return distance > bindDistance ? null : distance;
@ -1174,11 +1231,13 @@ const getElligibleElementForBindingElement = (
startOrEnd: "start" | "end",
elementsMap: NonDeletedSceneElementsMap,
elements: readonly NonDeletedExcalidrawElement[],
zoom?: AppState["zoom"],
): NonDeleted<ExcalidrawBindableElement> | null => {
return getHoveredElementForBinding(
getLinearElementEdgeCoors(linearElement, startOrEnd, elementsMap),
elements,
elementsMap,
zoom,
);
};
@ -1341,9 +1400,11 @@ export const bindingBorderTest = (
element: NonDeleted<ExcalidrawBindableElement>,
{ x, y }: { x: number; y: number },
elementsMap: NonDeletedSceneElementsMap,
zoom?: AppState["zoom"],
fullShape?: boolean,
): boolean => {
const threshold = maxBindingGap(element, element.width, element.height);
const threshold = maxBindingGap(element, element.width, element.height, zoom);
const shape = getElementShape(element, elementsMap);
return (
isPointOnShape(pointFrom(x, y), shape, threshold) ||
@ -1356,12 +1417,21 @@ export const maxBindingGap = (
element: ExcalidrawElement,
elementWidth: number,
elementHeight: number,
zoom?: AppState["zoom"],
): number => {
const zoomValue = zoom?.value && zoom.value < 1 ? zoom.value : 1;
// Aligns diamonds with rectangles
const shapeRatio = element.type === "diamond" ? 1 / Math.sqrt(2) : 1;
const smallerDimension = shapeRatio * Math.min(elementWidth, elementHeight);
// We make the bindable boundary bigger for bigger elements
return Math.max(16, Math.min(0.25 * smallerDimension, 32));
return Math.max(
16,
// bigger bindable boundary for bigger elements
Math.min(0.25 * smallerDimension, 32),
// keep in sync with the zoomed highlight
BINDING_HIGHLIGHT_THICKNESS / zoomValue + BINDING_HIGHLIGHT_OFFSET,
);
};
export const distanceToBindableElement = (

10
packages/excalidraw/element/linearElementEditor.ts
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@ -448,6 +448,7 @@ export class LinearElementEditor {
),
elements,
elementsMap,
appState.zoom,
)
: null;
@ -787,6 +788,7 @@ export class LinearElementEditor {
scenePointer,
elements,
elementsMap,
app.state.zoom,
),
};
@ -911,6 +913,7 @@ export class LinearElementEditor {
element,
[points.length - 1],
elementsMap,
app.state.zoom,
);
}
return {
@ -964,6 +967,7 @@ export class LinearElementEditor {
element,
[{ point: newPoint }],
elementsMap,
app.state.zoom,
);
}
return {
@ -1218,6 +1222,7 @@ export class LinearElementEditor {
element: NonDeleted<ExcalidrawLinearElement>,
pointIndices: readonly number[],
elementsMap: NonDeletedSceneElementsMap | SceneElementsMap,
zoom: AppState["zoom"],
) {
let offsetX = 0;
let offsetY = 0;
@ -1260,6 +1265,7 @@ export class LinearElementEditor {
element: NonDeleted<ExcalidrawLinearElement>,
targetPoints: { point: LocalPoint }[],
elementsMap: NonDeletedSceneElementsMap | SceneElementsMap,
zoom: AppState["zoom"],
) {
const offsetX = 0;
const offsetY = 0;
@ -1285,6 +1291,7 @@ export class LinearElementEditor {
options?: {
changedElements?: Map<string, OrderedExcalidrawElement>;
isDragging?: boolean;
zoom?: AppState["zoom"];
},
) {
const { points } = element;
@ -1337,6 +1344,7 @@ export class LinearElementEditor {
false,
),
changedElements: options?.changedElements,
zoom: options?.zoom,
},
);
}
@ -1451,6 +1459,7 @@ export class LinearElementEditor {
options?: {
changedElements?: Map<string, OrderedExcalidrawElement>;
isDragging?: boolean;
zoom?: AppState["zoom"];
},
) {
if (isElbowArrow(element)) {
@ -1487,6 +1496,7 @@ export class LinearElementEditor {
bindings,
{
isDragging: options?.isDragging,
zoom: options?.zoom,
},
);
} else {

13
packages/excalidraw/element/routing.ts
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@ -14,6 +14,7 @@ import {
import BinaryHeap from "../binaryheap";
import { getSizeFromPoints } from "../points";
import { aabbForElement, pointInsideBounds } from "../shapes";
import type { AppState } from "../types";
import { isAnyTrue, toBrandedType, tupleToCoors } from "../utils";
import {
bindPointToSnapToElementOutline,
@ -79,6 +80,7 @@ export const mutateElbowArrow = (
options?: {
isDragging?: boolean;
informMutation?: boolean;
zoom?: AppState["zoom"];
},
) => {
const update = updateElbowArrow(
@ -112,6 +114,7 @@ export const updateElbowArrow = (
isDragging?: boolean;
disableBinding?: boolean;
informMutation?: boolean;
zoom?: AppState["zoom"];
},
): ElementUpdate<ExcalidrawElbowArrowElement> | null => {
const origStartGlobalPoint: GlobalPoint = pointTranslate(
@ -136,7 +139,12 @@ export const updateElbowArrow = (
arrow.endBinding &&
getBindableElementForId(arrow.endBinding.elementId, elementsMap);
const [hoveredStartElement, hoveredEndElement] = options?.isDragging
? getHoveredElements(origStartGlobalPoint, origEndGlobalPoint, elementsMap)
? getHoveredElements(
origStartGlobalPoint,
origEndGlobalPoint,
elementsMap,
options?.zoom,
)
: [startElement, endElement];
const startGlobalPoint = getGlobalPoint(
arrow.startBinding?.fixedPoint,
@ -1072,6 +1080,7 @@ const getHoveredElements = (
origStartGlobalPoint: GlobalPoint,
origEndGlobalPoint: GlobalPoint,
elementsMap: NonDeletedSceneElementsMap | SceneElementsMap,
zoom?: AppState["zoom"],
) => {
// TODO: Might be a performance bottleneck and the Map type
// remembers the insertion order anyway...
@ -1084,12 +1093,14 @@ const getHoveredElements = (
tupleToCoors(origStartGlobalPoint),
elements,
nonDeletedSceneElementsMap,
zoom,
true,
),
getHoveredElementForBinding(
tupleToCoors(origEndGlobalPoint),
elements,
nonDeletedSceneElementsMap,
zoom,
true,
),
];

21
packages/excalidraw/renderer/interactiveScene.ts
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@ -43,7 +43,11 @@ import type {
SuggestedBinding,
SuggestedPointBinding,
} from "../element/binding";
import { maxBindingGap } from "../element/binding";
import {
BINDING_HIGHLIGHT_OFFSET,
BINDING_HIGHLIGHT_THICKNESS,
maxBindingGap,
} from "../element/binding";
import { LinearElementEditor } from "../element/linearElementEditor";
import {
bootstrapCanvas,
@ -217,17 +221,18 @@ const renderBindingHighlightForBindableElement = (
context: CanvasRenderingContext2D,
element: ExcalidrawBindableElement,
elementsMap: ElementsMap,
zoom: InteractiveCanvasAppState["zoom"],
) => {
const [x1, y1, x2, y2] = getElementAbsoluteCoords(element, elementsMap);
const width = x2 - x1;
const height = y2 - y1;
const thickness = 10;
// So that we don't overlap the element itself
const strokeOffset = 4;
context.strokeStyle = "rgba(0,0,0,.05)";
context.lineWidth = thickness - strokeOffset;
const padding = strokeOffset / 2 + thickness / 2;
// When zooming out, make line width greater for visibility
const zoomValue = zoom.value < 1 ? zoom.value : 1;
context.lineWidth = BINDING_HIGHLIGHT_THICKNESS / zoomValue;
// To ensure the binding highlight doesn't overlap the element itself
const padding = context.lineWidth / 2 + BINDING_HIGHLIGHT_OFFSET;
const radius = getCornerRadius(
Math.min(element.width, element.height),
@ -285,6 +290,7 @@ const renderBindingHighlightForSuggestedPointBinding = (
context: CanvasRenderingContext2D,
suggestedBinding: SuggestedPointBinding,
elementsMap: ElementsMap,
zoom: InteractiveCanvasAppState["zoom"],
) => {
const [element, startOrEnd, bindableElement] = suggestedBinding;
@ -292,6 +298,7 @@ const renderBindingHighlightForSuggestedPointBinding = (
bindableElement,
bindableElement.width,
bindableElement.height,
zoom,
);
context.strokeStyle = "rgba(0,0,0,0)";
@ -390,7 +397,7 @@ const renderBindingHighlight = (
context.save();
context.translate(appState.scrollX, appState.scrollY);
renderHighlight(context, suggestedBinding as any, elementsMap);
renderHighlight(context, suggestedBinding as any, elementsMap, appState.zoom);
context.restore();
};

128
packages/excalidraw/tests/__snapshots__/history.test.tsx.snap
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@ -197,7 +197,7 @@ exports[`history > multiplayer undo/redo > conflicts in arrows and their bindabl
"fillStyle": "solid",
"frameId": null,
"groupIds": [],
"height": 99,
"height": 125,
"id": "id166",
"index": "a2",
"isDeleted": false,
@ -211,8 +211,8 @@ exports[`history > multiplayer undo/redo > conflicts in arrows and their bindabl
0,
],
[
"98.20800",
99,
125,
125,
],
],
"roughness": 1,
@ -226,9 +226,9 @@ exports[`history > multiplayer undo/redo > conflicts in arrows and their bindabl
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 40,
"width": "98.20800",
"x": 1,
"version": 47,
"width": 125,
"x": 0,
"y": 0,
}
`;
@ -298,7 +298,7 @@ History {
"focus": "0.00990",
"gap": 1,
},
"height": "0.98017",
"height": "0.98000",
"points": [
[
0,
@ -306,7 +306,7 @@ History {
],
[
98,
"-0.98017",
"-0.98000",
],
],
"startBinding": {
@ -320,10 +320,10 @@ History {
"endBinding": {
"elementId": "id165",
"fixedPoint": null,
"focus": "-0.02000",
"focus": "-0.02040",
"gap": 1,
},
"height": "0.00169",
"height": "0.02000",
"points": [
[
0,
@ -331,13 +331,13 @@ History {
],
[
98,
"0.00169",
"0.02000",
],
],
"startBinding": {
"elementId": "id164",
"fixedPoint": null,
"focus": "0.02000",
"focus": "0.01959",
"gap": 1,
},
},
@ -393,18 +393,20 @@ History {
"focus": 0,
"gap": 1,
},
"height": 99,
"height": 125,
"points": [
[
0,
0,
],
[
"98.20800",
99,
125,
125,
],
],
"startBinding": null,
"width": 125,
"x": 0,
"y": 0,
},
"inserted": {
@ -414,7 +416,7 @@ History {
"focus": "0.00990",
"gap": 1,
},
"height": "0.98161",
"height": "0.98000",
"points": [
[
0,
@ -422,7 +424,7 @@ History {
],
[
98,
"-0.98161",
"-0.98000",
],
],
"startBinding": {
@ -431,7 +433,9 @@ History {
"focus": "0.02970",
"gap": 1,
},
"y": "0.99245",
"width": 98,
"x": 1,
"y": "0.99000",
},
},
"id169" => Delta {
@ -823,9 +827,9 @@ exports[`history > multiplayer undo/redo > conflicts in arrows and their bindabl
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 30,
"width": 0,
"x": 200,
"version": 37,
"width": 100,
"x": 150,
"y": 0,
}
`;
@ -862,6 +866,8 @@ History {
0,
],
],
"width": 0,
"x": 149,
},
"inserted": {
"points": [
@ -870,10 +876,12 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
"width": "98.00000",
"x": "1.00000",
},
},
},
@ -930,6 +938,8 @@ History {
],
],
"startBinding": null,
"width": 100,
"x": 150,
},
"inserted": {
"endBinding": {
@ -954,6 +964,8 @@ History {
"focus": 0,
"gap": 1,
},
"width": 0,
"x": 149,
},
},
},
@ -2363,9 +2375,9 @@ exports[`history > multiplayer undo/redo > conflicts in arrows and their bindabl
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 10,
"version": 12,
"width": 498,
"x": 1,
"x": "1.00000",
"y": 0,
}
`;
@ -2504,7 +2516,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -2523,8 +2535,8 @@ History {
"strokeStyle": "solid",
"strokeWidth": 2,
"type": "arrow",
"width": 100,
"x": 0,
"width": "98.00000",
"x": 1,
"y": 0,
},
"inserted": {
@ -15167,9 +15179,9 @@ exports[`history > singleplayer undo/redo > should support bidirectional binding
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 10,
"version": 12,
"width": "98.00000",
"x": 1,
"x": "1.00000",
"y": 0,
}
`;
@ -15208,7 +15220,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -15221,7 +15233,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -15517,7 +15529,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -15536,8 +15548,8 @@ History {
"strokeStyle": "solid",
"strokeWidth": 2,
"type": "arrow",
"width": 100,
"x": 0,
"width": "98.00000",
"x": 1,
"y": 0,
},
"inserted": {
@ -15866,9 +15878,9 @@ exports[`history > singleplayer undo/redo > should support bidirectional binding
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 10,
"version": 12,
"width": "98.00000",
"x": 1,
"x": "1.00000",
"y": 0,
}
`;
@ -16140,7 +16152,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -16159,8 +16171,8 @@ History {
"strokeStyle": "solid",
"strokeWidth": 2,
"type": "arrow",
"width": 100,
"x": 0,
"width": "98.00000",
"x": 1,
"y": 0,
},
"inserted": {
@ -16489,9 +16501,9 @@ exports[`history > singleplayer undo/redo > should support bidirectional binding
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 10,
"version": 12,
"width": "98.00000",
"x": 1,
"x": "1.00000",
"y": 0,
}
`;
@ -16763,7 +16775,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -16782,8 +16794,8 @@ History {
"strokeStyle": "solid",
"strokeWidth": 2,
"type": "arrow",
"width": 100,
"x": 0,
"width": "98.00000",
"x": 1,
"y": 0,
},
"inserted": {
@ -17110,9 +17122,9 @@ exports[`history > singleplayer undo/redo > should support bidirectional binding
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 10,
"version": 12,
"width": "98.00000",
"x": 1,
"x": "1.00000",
"y": 0,
}
`;
@ -17168,7 +17180,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -17186,7 +17198,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -17455,7 +17467,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -17474,8 +17486,8 @@ History {
"strokeStyle": "solid",
"strokeWidth": 2,
"type": "arrow",
"width": 100,
"x": 0,
"width": "98.00000",
"x": 1,
"y": 0,
},
"inserted": {
@ -17828,9 +17840,9 @@ exports[`history > singleplayer undo/redo > should support bidirectional binding
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 11,
"version": 13,
"width": "98.00000",
"x": 1,
"x": "1.00000",
"y": 0,
}
`;
@ -17901,7 +17913,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -17920,7 +17932,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -18189,7 +18201,7 @@ History {
0,
],
[
100,
"98.00000",
0,
],
],
@ -18208,8 +18220,8 @@ History {
"strokeStyle": "solid",
"strokeWidth": 2,
"type": "arrow",
"width": 100,
"x": 0,
"width": "98.00000",
"x": 1,
"y": 0,
},
"inserted": {

6
packages/excalidraw/tests/__snapshots__/move.test.tsx.snap
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@ -173,7 +173,7 @@ exports[`move element > rectangles with binding arrow 6`] = `
"type": "rectangle",
"updated": 1,
"version": 7,
"versionNonce": 745419401,
"versionNonce": 2066753033,
"width": 300,
"x": 201,
"y": 2,
@ -232,8 +232,8 @@ exports[`move element > rectangles with binding arrow 7`] = `
"strokeWidth": 2,
"type": "arrow",
"updated": 1,
"version": 11,
"versionNonce": 1996028265,
"version": 15,
"versionNonce": 271613161,
"width": 81,
"x": 110,
"y": 50,

12
packages/excalidraw/tests/history.test.tsx
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@ -4785,21 +4785,17 @@ describe("history", () => {
expect.objectContaining({ id: rect2.id, boundElements: [] }),
expect.objectContaining({
id: arrowId,
points: [
[0, 0],
[100, 0],
],
startBinding: expect.objectContaining({
elementId: rect1.id,
fixedPoint: null,
focus: expect.toBeNonNaNNumber(),
gap: expect.toBeNonNaNNumber(),
focus: 0,
gap: 1,
}),
endBinding: expect.objectContaining({
elementId: rect2.id,
fixedPoint: null,
focus: expect.toBeNonNaNNumber(),
gap: expect.toBeNonNaNNumber(),
focus: 0,
gap: 1,
}),
isDeleted: true,
}),

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