ui: conditional title attribute and better CJK truncation

- Adds CJK support for system name truncation
- Change tooltip to title attribute and show only if system name is truncated

internal/site/src/components/systems-table/systems-table-columns.tsx

@@ -128,28 +128,36 @@ export function SystemsTableColumns(viewMode: "table" | "grid"): ColumnDef<Syste
 			cell: (info) => {
 				const { name, id } = info.row.original
 				const longestName = useStore($longestSystemNameLen)
+				const linkUrl = getPagePath($router, "system", { id })
+
 				return (
-					<Tooltip>
+					<>
-						<TooltipTrigger asChild>
-							<div className="relative">
 						<span className="flex gap-2 items-center font-medium text-sm text-nowrap md:ps-1">
 							<IndicatorDot system={info.row.original} />
-									{/* NOTE: change to 1 ch if switching to monospace font */}
+							<Link
-									<span className="truncate" style={{ width: `${longestName / 1.1}ch` }}>
+								href={linkUrl}
+								tabIndex={-1}
+								className="truncate z-10 relative"
+								style={{ width: `${longestName / 1.05}ch` }}
+								onMouseEnter={(e) => {
+									// set title on hover if text is truncated to show full name
+									const a = e.currentTarget
+									if (a.scrollWidth > a.clientWidth) {
+										a.title = name
+									} else {
+										a.removeAttribute("title")
+									}
+								}}
+							>
 								{name}
-									</span>
+							</Link>
 						</span>
 						<Link
-									href={getPagePath($router, "system", { id })}
+							href={linkUrl}
 							className="inset-0 absolute size-full"
 							aria-label={name}
 						></Link>
-							</div>
+					</>
-						</TooltipTrigger>
-						<TooltipContent>
-							<p>{name}</p>
-						</TooltipContent>
-					</Tooltip>
 				)
 			},
 			header: sortableHeader,

internal/site/src/lib/systemsManager.ts

@@ -9,7 +9,7 @@ import {
 	$pausedSystems,
 	$upSystems,
 } from "@/lib/stores"
-import { updateFavicon } from "@/lib/utils"
+import { getVisualStringWidth, updateFavicon } from "@/lib/utils"
 import type { SystemRecord } from "@/types"
 import { SystemStatus } from "./enums"
 
@@ -79,7 +79,7 @@ function onSystemsChanged(_: Record<string, SystemRecord>, changedSystem: System
 
 	// Update longest system name length
 	const longestName = $longestSystemNameLen.get()
-	const nameLen = Math.min(MAX_SYSTEM_NAME_LENGTH, changedSystem?.name.length || 0)
+	const nameLen = Math.min(MAX_SYSTEM_NAME_LENGTH, getVisualStringWidth(changedSystem?.name || ""))
 	if (nameLen > longestName) {
 		$longestSystemNameLen.set(nameLen)
 	}

internal/site/src/lib/utils.ts

@@ -27,7 +27,7 @@ export async function copyToClipboard(content: string) {
 			duration,
 			description: t`Copied to clipboard`,
 		})
-	} catch (e) {
+	} catch (_e) {
 		$copyContent.set(content)
 	}
 }
@@ -316,7 +316,7 @@ export const getHostDisplayValue = (system: SystemRecord): string => system.host
 export const generateToken = () => {
 	try {
 		return crypto?.randomUUID()
-	} catch (e) {
+	} catch (_e) {
 		return Array.from({ length: 2 }, () => (performance.now() * Math.random()).toString(16).replace(".", "-")).join("-")
 	}
 }
@@ -429,6 +429,30 @@ export function runOnce<T extends (...args: any[]) => any>(fn: T): T {
 	}) as T
 }
 
+/** Get the visual width of a string, accounting for full-width characters */
+export function getVisualStringWidth(str: string): number {
+	let width = 0
+	for (const char of str) {
+		const code = char.codePointAt(0) || 0
+		// Hangul Jamo and Syllables are often slightly thinner than Hanzi/Kanji
+		if ((code >= 0x1100 && code <= 0x115f) || (code >= 0xac00 && code <= 0xd7af)) {
+			width += 1.8
+			continue
+		}
+		// Count CJK and other full-width characters as 2 units, others as 1
+		// Arabic and Cyrillic are counted as 1
+		const isFullWidth =
+			(code >= 0x2e80 && code <= 0x9fff) || // CJK Radicals, Symbols, and Ideographs
+			(code >= 0xf900 && code <= 0xfaff) || // CJK Compatibility Ideographs
+			(code >= 0xfe30 && code <= 0xfe6f) || // CJK Compatibility Forms
+			(code >= 0xff00 && code <= 0xff60) || // Fullwidth Forms
+			(code >= 0xffe0 && code <= 0xffe6) || // Fullwidth Symbols
+			code > 0xffff // Emojis and other supplementary plane characters
+		width += isFullWidth ? 2 : 1
+	}
+	return width
+}
+
 /** Format seconds to hours, minutes, or seconds */
 export function secondsToString(seconds: number, unit: "hour" | "minute" | "day"): string {
 	const count = Math.floor(seconds / (unit === "hour" ? 3600 : unit === "minute" ? 60 : 86400))