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fix(desktop): spread dev dock-icon colors across full hue range #3622

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Merged
Kitenite merged 1 commit into from
Apr 21, 2026
Merged

fix(desktop): spread dev dock-icon colors across full hue range #3622

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30 changes: 10 additions & 20 deletions apps/desktop/src/main/lib/dock-icon.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,24 +4,20 @@ import { app, nativeImage } from "electron";
import { env } from "main/env.main";
import { prerelease } from "semver";
import { getWorkspaceName } from "shared/env.shared";
import twColors from "tailwindcss/colors";

type RGB = [number, number, number];

type Bounds = { top: number; left: number; bottom: number; right: number };

/**
* Deterministic workspace-name → RGB picker using Tailwind's 500-level palette.
* Deterministic workspace-name → RGB picker. Hashes the name to a hue via the
* golden angle (137.508°) so successive workspaces land far apart on the color
* wheel, then converts a fixed-lightness/chroma OKLCH point to sRGB.
*/
const pickWorkspaceColor = (() => {
const FALLBACK: RGB = [59, 130, 246]; // blue-500

function parseOklch(str: string): { l: number; c: number; h: number } | null {
const m = str.match(/oklch\(([\d.]+)%\s+([\d.]+)\s+([\d.]+)\)/);
return m
? { l: Number(m[1]) / 100, c: Number(m[2]), h: Number(m[3]) }
: null;
}
const L = 0.68;
const C = 0.18;
const GOLDEN_ANGLE = 137.508;

function oklchToRgb(l: number, c: number, h: number): RGB {
const hRad = (h * Math.PI) / 180;
Expand All @@ -47,14 +43,6 @@ const pickWorkspaceColor = (() => {
];
}

const skip = new Set(["inherit", "current", "transparent", "black", "white"]);
const palette: RGB[] = [];
for (const [name, val] of Object.entries(twColors)) {
if (skip.has(name) || typeof val !== "object" || !("500" in val)) continue;
const parsed = parseOklch((val as Record<string, string>)["500"]);
if (parsed) palette.push(oklchToRgb(parsed.l, parsed.c, parsed.h));
}

function hash(seed: string): number {
let h = 0;
for (let i = 0; i < seed.length; i++) {
Expand All @@ -64,8 +52,10 @@ const pickWorkspaceColor = (() => {
return Math.abs(h);
}

return (workspaceName: string): RGB =>
palette[hash(workspaceName) % palette.length] ?? FALLBACK;
return (workspaceName: string): RGB => {
const hue = (hash(workspaceName) * GOLDEN_ANGLE) % 360;
return oklchToRgb(L, C, hue);
};
})();

/**
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