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feat: redesigned collab cursors (#6659)

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Co-authored-by: dwelle <luzar.david@gmail.com>
pull/6668/head
Arnost Pleskot 2 years ago committed by GitHub
parent b4abfad638
commit 5ca3613cc3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 100 additions and 96 deletions
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7
src/actions/actionNavigate.tsx
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@ -1,4 +1,4 @@
import { getClientColors } from "../clients";
import { getClientColor } from "../clients";
import { Avatar } from "../components/Avatar";
import { centerScrollOn } from "../scene/scroll";
import { Collaborator } from "../types";
@ -31,15 +31,14 @@ export const actionGoToCollaborator = register({
commitToHistory: false,
};
},
PanelComponent: ({ appState, updateData, data }) => {
PanelComponent: ({ updateData, data }) => {
const [clientId, collaborator] = data as [string, Collaborator];
const { background, stroke } = getClientColors(clientId, appState);
const background = getClientColor(clientId);
return (
<Avatar
color={background}
border={stroke}
onClick={() => updateData(collaborator.pointer)}
name={collaborator.username || ""}
src={collaborator.avatarUrl}

52
src/clients.ts
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@ -1,31 +1,31 @@
import {
DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX,
DEFAULT_ELEMENT_STROKE_COLOR_INDEX,
getAllColorsSpecificShade,
} from "./colors";
import { AppState } from "./types";
const BG_COLORS = getAllColorsSpecificShade(
DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX,
);
const STROKE_COLORS = getAllColorsSpecificShade(
DEFAULT_ELEMENT_STROKE_COLOR_INDEX,
);
export const getClientColors = (clientId: string, appState: AppState) => {
if (appState?.collaborators) {
const currentUser = appState.collaborators.get(clientId);
if (currentUser?.color) {
return currentUser.color;
}
function hashToInteger(id: string) {
let hash = 0;
if (id.length === 0) {
return hash;
}
// Naive way of getting an integer out of the clientId
const sum = clientId.split("").reduce((a, str) => a + str.charCodeAt(0), 0);
for (let i = 0; i < id.length; i++) {
const char = id.charCodeAt(i);
hash = (hash << 5) - hash + char;
}
return hash;
}
export const getClientColor = (
/**
* any uniquely identifying key, such as user id or socket id
*/
id: string,
) => {
// to get more even distribution in case `id` is not uniformly distributed to
// begin with, we hash it
const hash = Math.abs(hashToInteger(id));
// we want to get a multiple of 10 number in the range of 0-360 (in other
// words a hue value of step size 10). There are 37 such values including 0.
const hue = (hash % 37) * 10;
const saturation = 100;
const lightness = 83;
return {
background: BG_COLORS[sum % BG_COLORS.length],
stroke: STROKE_COLORS[sum % STROKE_COLORS.length],
};
return `hsl(${hue}, ${saturation}%, ${lightness}%)`;
};
/**

5
src/components/Avatar.scss
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@ -10,10 +10,9 @@
display: flex;
justify-content: center;
align-items: center;
color: $oc-white;
cursor: pointer;
font-size: 0.625rem;
font-weight: 500;
font-size: 0.75rem;
font-weight: 800;
line-height: 1;
&-img {

1
src/components/Avatar.tsx
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@ -6,7 +6,6 @@ import { getNameInitial } from "../clients";
type AvatarProps = {
onClick: (e: React.MouseEvent<HTMLDivElement, MouseEvent>) => void;
color: string;
border: string;
name: string;
src?: string;
};

131
src/renderer/renderScene.ts
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@ -30,7 +30,7 @@ import {
import { getSelectedElements } from "../scene/selection";
import { renderElement, renderElementToSvg } from "./renderElement";
import { getClientColors } from "../clients";
import { getClientColor } from "../clients";
import { LinearElementEditor } from "../element/linearElementEditor";
import {
isSelectedViaGroup,
@ -48,11 +48,7 @@ import {
TransformHandles,
TransformHandleType,
} from "../element/transformHandles";
import {
viewportCoordsToSceneCoords,
supportsEmoji,
throttleRAF,
} from "../utils";
import { viewportCoordsToSceneCoords, throttleRAF } from "../utils";
import { UserIdleState } from "../types";
import { THEME_FILTER } from "../constants";
import {
@ -61,7 +57,6 @@ import {
} from "../element/Hyperlink";
import { isLinearElement } from "../element/typeChecks";
const hasEmojiSupport = supportsEmoji();
export const DEFAULT_SPACING = 2;
const strokeRectWithRotation = (
@ -159,7 +154,6 @@ const strokeGrid = (
const renderSingleLinearPoint = (
context: CanvasRenderingContext2D,
appState: AppState,
renderConfig: RenderConfig,
point: Point,
radius: number,
@ -206,14 +200,7 @@ const renderLinearPointHandles = (
const isSelected =
!!appState.editingLinearElement?.selectedPointsIndices?.includes(idx);
renderSingleLinearPoint(
context,
appState,
renderConfig,
point,
radius,
isSelected,
);
renderSingleLinearPoint(context, renderConfig, point, radius, isSelected);
});
//Rendering segment mid points
@ -237,7 +224,6 @@ const renderLinearPointHandles = (
if (appState.editingLinearElement) {
renderSingleLinearPoint(
context,
appState,
renderConfig,
segmentMidPoint,
radius,
@ -248,7 +234,6 @@ const renderLinearPointHandles = (
highlightPoint(segmentMidPoint, context, renderConfig);
renderSingleLinearPoint(
context,
appState,
renderConfig,
segmentMidPoint,
radius,
@ -258,7 +243,6 @@ const renderLinearPointHandles = (
} else if (appState.editingLinearElement || points.length === 2) {
renderSingleLinearPoint(
context,
appState,
renderConfig,
segmentMidPoint,
POINT_HANDLE_SIZE / 2,
@ -527,7 +511,7 @@ export const _renderScene = ({
selectionColors.push(
...renderConfig.remoteSelectedElementIds[element.id].map(
(socketId) => {
const { background } = getClientColors(socketId, appState);
const background = getClientColor(socketId);
return background;
},
),
@ -647,7 +631,7 @@ export const _renderScene = ({
x -= appState.offsetLeft;
y -= appState.offsetTop;
const width = 9;
const width = 11;
const height = 14;
const isOutOfBounds =
@ -661,15 +645,20 @@ export const _renderScene = ({
y = Math.max(y, 0);
y = Math.min(y, normalizedCanvasHeight - height);
const { background, stroke } = getClientColors(clientId, appState);
const background = getClientColor(clientId);
context.save();
context.strokeStyle = stroke;
context.strokeStyle = background;
context.fillStyle = background;
const userState = renderConfig.remotePointerUserStates[clientId];
if (isOutOfBounds || userState === UserIdleState.AWAY) {
context.globalAlpha = 0.48;
const isInactive =
isOutOfBounds ||
userState === UserIdleState.IDLE ||
userState === UserIdleState.AWAY;
if (isInactive) {
context.globalAlpha = 0.3;
}
if (
@ -686,73 +675,91 @@ export const _renderScene = ({
context.beginPath();
context.arc(x, y, 15, 0, 2 * Math.PI, false);
context.lineWidth = 1;
context.strokeStyle = stroke;
context.strokeStyle = background;
context.stroke();
context.closePath();
}
// Background (white outline) for arrow
context.fillStyle = oc.white;
context.strokeStyle = oc.white;
context.lineWidth = 6;
context.lineJoin = "round";
context.beginPath();
context.moveTo(x, y);
context.lineTo(x + 1, y + 14);
context.lineTo(x + 0, y + 14);
context.lineTo(x + 4, y + 9);
context.lineTo(x + 9, y + 10);
context.lineTo(x, y);
context.fill();
context.lineTo(x + 11, y + 8);
context.closePath();
context.stroke();
context.fill();
const username = renderConfig.remotePointerUsernames[clientId];
let idleState = "";
if (userState === UserIdleState.AWAY) {
idleState = hasEmojiSupport ? "⚫️" : ` (${UserIdleState.AWAY})`;
} else if (userState === UserIdleState.IDLE) {
idleState = hasEmojiSupport ? "💤" : ` (${UserIdleState.IDLE})`;
// Arrow
context.fillStyle = background;
context.strokeStyle = background;
context.lineWidth = 2;
context.lineJoin = "round";
context.beginPath();
if (isInactive) {
context.moveTo(x - 1, y - 1);
context.lineTo(x - 1, y + 15);
context.lineTo(x + 5, y + 10);
context.lineTo(x + 12, y + 9);
context.closePath();
context.fill();
} else {
context.moveTo(x, y);
context.lineTo(x + 0, y + 14);
context.lineTo(x + 4, y + 9);
context.lineTo(x + 11, y + 8);
context.closePath();
context.fill();
context.stroke();
}
const usernameAndIdleState = `${username || ""}${
idleState ? ` ${idleState}` : ""
}`;
const username = renderConfig.remotePointerUsernames[clientId] || "";
if (!isOutOfBounds && usernameAndIdleState) {
const offsetX = x + width;
const offsetY = y + height;
const paddingHorizontal = 4;
const paddingVertical = 4;
const measure = context.measureText(usernameAndIdleState);
if (!isOutOfBounds && username) {
context.font = "600 12px sans-serif"; // font has to be set before context.measureText()
const offsetX = x + width / 2;
const offsetY = y + height + 2;
const paddingHorizontal = 5;
const paddingVertical = 3;
const measure = context.measureText(username);
const measureHeight =
measure.actualBoundingBoxDescent + measure.actualBoundingBoxAscent;
const finalHeight = Math.max(measureHeight, 12);
const boxX = offsetX - 1;
const boxY = offsetY - 1;
const boxWidth = measure.width + 2 * paddingHorizontal + 2;
const boxHeight = measureHeight + 2 * paddingVertical + 2;
const boxWidth = measure.width + 2 + paddingHorizontal * 2 + 2;
const boxHeight = finalHeight + 2 + paddingVertical * 2 + 2;
if (context.roundRect) {
context.beginPath();
context.roundRect(
boxX,
boxY,
boxWidth,
boxHeight,
4 / renderConfig.zoom.value,
);
context.roundRect(boxX, boxY, boxWidth, boxHeight, 8);
context.fillStyle = background;
context.fill();
context.fillStyle = stroke;
context.strokeStyle = oc.white;
context.stroke();
} else {
// Border
context.fillStyle = stroke;
context.fillStyle = oc.white;
context.fillRect(boxX, boxY, boxWidth, boxHeight);
// Background
context.fillStyle = background;
context.fillRect(offsetX, offsetY, boxWidth - 2, boxHeight - 2);
}
context.fillStyle = oc.white;
context.fillStyle = oc.black;
context.fillText(
usernameAndIdleState,
offsetX + paddingHorizontal,
offsetY + paddingVertical + measure.actualBoundingBoxAscent,
username,
offsetX + paddingHorizontal + 1,
offsetY +
paddingVertical +
measure.actualBoundingBoxAscent +
Math.floor((finalHeight - measureHeight) / 2) +
1,
);
}
@ -1145,7 +1152,7 @@ export const renderSceneToSvg = (
return;
}
// render elements
elements.forEach((element, index) => {
elements.forEach((element) => {
if (!element.isDeleted) {
try {
renderElementToSvg(

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