feat: add Simplified Chinese localization

Package.swift

@@ -3,6 +3,7 @@ import PackageDescription
 
 let package = Package(
     name: "ProcessBarMonitor",
+    defaultLocalization: "en",
     platforms: [
         .macOS(.v13)
     ],
@@ -18,7 +19,10 @@ let package = Package(
         .executableTarget(
             name: "ProcessBarMonitor",
             dependencies: ["CSensors"],
-            path: "Sources/ProcessBarMonitor"
+            path: "Sources/ProcessBarMonitor",
+            resources: [
+                .process("Resources")
+            ]
         )
     ]
 )

Sources/ProcessBarMonitor/LaunchAtLoginManager.swift

@@ -55,11 +55,11 @@ enum LaunchAtLoginError: LocalizedError {
     var errorDescription: String? {
         switch self {
         case .unsupportedOS:
-            return "Launch at login requires macOS 13 or later."
+            return L10n.string("error.launch_at_login.unsupported")
         case .requiresApproval:
-            return "macOS accepted the login item request, but it may still need approval in System Settings → General → Login Items."
+            return L10n.string("error.launch_at_login.requires_approval")
         case .serviceFailure(let underlying):
-            return "Could not update the login item: \(underlying)"
+            return L10n.format("error.launch_at_login.service_failure", underlying)
         }
     }
 }

Sources/ProcessBarMonitor/Localization.swift

@@ -0,0 +1,54 @@
+import Foundation
+
+enum L10n {
+    private static let bundle: Bundle = {
+        let moduleBundle = Bundle.module
+        let available = Set(moduleBundle.localizations.map { $0.lowercased() })
+
+        for preferred in Locale.preferredLanguages.map({ $0.lowercased() }) {
+            let candidates = localizationCandidates(for: preferred)
+            for candidate in candidates where available.contains(candidate) {
+                if let path = moduleBundle.path(forResource: candidate, ofType: "lproj"),
+                   let localizedBundle = Bundle(path: path) {
+                    return localizedBundle
+                }
+            }
+        }
+
+        return moduleBundle
+    }()
+
+    static func string(_ key: String) -> String {
+        NSLocalizedString(key, bundle: bundle, comment: "")
+    }
+
+    static func format(_ key: String, _ arguments: CVarArg...) -> String {
+        String(format: string(key), locale: Locale.current, arguments: arguments)
+    }
+
+    private static func localizationCandidates(for language: String) -> [String] {
+        let parts = language.split(separator: "-").map(String.init)
+        guard !parts.isEmpty else { return [language] }
+
+        var candidates: [String] = []
+        candidates.append(language)
+
+        if parts.count >= 2 {
+            candidates.append(parts[0] + "-" + parts[1])
+        }
+
+        candidates.append(parts[0])
+
+        if parts[0] == "zh" {
+            if language.contains("hans") {
+                candidates.insert("zh-hans", at: 0)
+            }
+            if language.contains("hant") {
+                candidates.insert("zh-hant", at: 0)
+            }
+        }
+
+        var seen = Set<String>()
+        return candidates.filter { seen.insert($0).inserted }
+    }
+}

Sources/ProcessBarMonitor/MonitorViewModel.swift

@@ -65,14 +65,14 @@ final class MonitorViewModel: ObservableObject {
         processLimit = [5, 8, 12, 20].contains(savedProcessLimit) ? savedProcessLimit : 5
 
         if let rawTemperatureMode = settings.string(forKey: Keys.temperatureMode),
-           let parsedTemperatureMode = TemperatureMode(rawValue: rawTemperatureMode) {
+           let parsedTemperatureMode = TemperatureMode(savedValue: rawTemperatureMode) {
             temperatureMode = parsedTemperatureMode
         } else {
             temperatureMode = .hottestCPU
         }
 
         if let rawMenuBarDisplayMode = settings.string(forKey: Keys.menuBarDisplayMode),
-           let parsedMenuBarDisplayMode = MenuBarDisplayMode(rawValue: rawMenuBarDisplayMode) {
+           let parsedMenuBarDisplayMode = MenuBarDisplayMode(savedValue: rawMenuBarDisplayMode) {
             menuBarDisplayMode = parsedMenuBarDisplayMode
         } else {
             menuBarDisplayMode = .compact
@@ -86,11 +86,11 @@ final class MonitorViewModel: ObservableObject {
 
         switch menuBarDisplayMode {
         case .compact:
-            return "\(cpu)  \(memoryUsed)  \(temp)"
+            return L10n.format("menu_bar_title.compact", cpu, memoryUsed, temp)
         case .labeled:
-            return "CPU \(cpu)  RAM \(memoryUsed)  \(temp)"
+            return L10n.format("menu_bar_title.labeled", cpu, memoryUsed, temp)
         case .temperatureFirst:
-            return "\(temp)  \(cpu)  \(memoryUsed)"
+            return L10n.format("menu_bar_title.temperature_first", temp, cpu, memoryUsed)
         }
     }
 
@@ -149,7 +149,7 @@ final class MonitorViewModel: ObservableObject {
                 recomputeVisibleProcesses()
                 statusMessage = nil
             case .failure(let error):
-                statusMessage = "Failed to load top apps: \(error.localizedDescription)"
+                statusMessage = L10n.format("status.failed_to_load_top_apps", error.localizedDescription)
             }
         }
     }
@@ -194,7 +194,9 @@ final class MonitorViewModel: ObservableObject {
     func setLaunchAtLogin(_ enabled: Bool) {
         do {
             try launchAtLogin.setEnabled(enabled)
-            statusMessage = enabled ? "Launch at login enabled." : "Launch at login disabled."
+            statusMessage = enabled
+                ? L10n.string("status.launch_at_login_enabled")
+                : L10n.string("status.launch_at_login_disabled")
         } catch {
             statusMessage = error.localizedDescription
             launchAtLogin.refreshState()
@@ -207,11 +209,11 @@ final class MonitorViewModel: ObservableObject {
 
     func thermalText(_ state: ProcessInfo.ThermalState) -> String {
         switch state {
-        case .nominal: return "Nominal"
-        case .fair: return "Fair"
-        case .serious: return "Serious"
-        case .critical: return "Critical"
-        @unknown default: return "Unknown"
+        case .nominal: return L10n.string("thermal.nominal")
+        case .fair: return L10n.string("thermal.fair")
+        case .serious: return L10n.string("thermal.serious")
+        case .critical: return L10n.string("thermal.critical")
+        @unknown default: return L10n.string("thermal.unknown")
         }
     }
 }

Sources/ProcessBarMonitor/ProcessSnapshotProvider.swift

@@ -11,17 +11,17 @@ actor ProcessSnapshotProvider {
         var errorDescription: String? {
             switch self {
             case .launchFailed(let error):
-                return "Unable to start ps: \(error.localizedDescription)"
+                return L10n.format("error.ps.launch_failed", error.localizedDescription)
             case .commandFailed(let status, let stderr):
                 let trimmed = stderr.trimmingCharacters(in: .whitespacesAndNewlines)
                 if trimmed.isEmpty {
-                    return "ps exited with status \(status)."
+                    return L10n.format("error.ps.command_failed_no_stderr", status)
                 }
-                return "ps exited with status \(status): \(trimmed)"
+                return L10n.format("error.ps.command_failed", status, trimmed)
             case .invalidOutputEncoding:
-                return "ps output was not valid UTF-8."
+                return L10n.string("error.ps.invalid_utf8")
             case .noProcessesParsed(let lineCount):
-                return "ps returned \(lineCount) lines, but none could be parsed."
+                return L10n.format("error.ps.no_processes_parsed", lineCount)
             }
         }
     }

Sources/ProcessBarMonitor/Resources/en.lproj/Localizable.strings

@@ -0,0 +1,59 @@
+"summary.cpu" = "CPU";
+"summary.ram" = "RAM";
+"summary.temp" = "Temp";
+"summary.thermal" = "Thermal";
+"metric.used_percent" = "%.0f%% used";
+"health.line" = "CPU %@ · RAM %@ · Temp %@";
+"trend.cpu" = "CPU Trend";
+"trend.ram" = "RAM Trend";
+"trend.temp" = "Temp Trend";
+"section.filter_display" = "Filter & Display";
+"picker.menu_bar" = "Menu Bar";
+"picker.temperature" = "Temperature";
+"search.placeholder" = "Search app name / path / pid / bundle id";
+"picker.rows" = "Rows";
+"toggle.launch_at_login" = "Launch at login";
+"section.top_apps_cpu" = "Top Apps by CPU";
+"section.top_apps_cpu_desc" = "Click an app to inspect grouped child processes. CPU uses raw per-process percentages, so totals can exceed 100%% on multicore Macs.";
+"section.top_apps_memory" = "Top Apps by Memory";
+"section.top_apps_memory_desc" = "Click an app to inspect grouped child processes.";
+"button.refreshing" = "Refreshing...";
+"button.refresh_now" = "Refresh Now";
+"button.quit" = "Quit";
+"label.updated_at" = "Updated %@";
+"header.app" = "App";
+"header.group" = "Group";
+"header.cpu" = "CPU";
+"header.memory" = "Memory";
+"process.more_count" = "+ %d more processes";
+"process.pid" = "pid %d";
+"process.count_procs" = "%d procs";
+"status.failed_to_load_top_apps" = "Failed to load top apps: %@";
+"status.launch_at_login_enabled" = "Launch at login enabled.";
+"status.launch_at_login_disabled" = "Launch at login disabled.";
+"thermal.nominal" = "Nominal";
+"thermal.fair" = "Fair";
+"thermal.serious" = "Serious";
+"thermal.critical" = "Critical";
+"thermal.unknown" = "Unknown";
+"menu_display.compact" = "Compact";
+"menu_display.labeled" = "Labeled";
+"menu_display.temperature_first" = "Temperature First";
+"menu_bar_title.compact" = "%@  %@  %@";
+"menu_bar_title.labeled" = "CPU %@  RAM %@  %@";
+"menu_bar_title.temperature_first" = "%@  %@  %@";
+"temp_mode.hottest_cpu" = "Hottest CPU";
+"temp_mode.average_cpu" = "Average CPU";
+"temp_mode.hottest_soc" = "Hottest SoC";
+"error.ps.launch_failed" = "Unable to start ps: %@";
+"error.ps.command_failed_no_stderr" = "ps exited with status %d.";
+"error.ps.command_failed" = "ps exited with status %d: %@";
+"error.ps.invalid_utf8" = "ps output was not valid UTF-8.";
+"error.ps.no_processes_parsed" = "ps returned %d lines, but none could be parsed.";
+"error.launch_at_login.unsupported" = "Launch at login requires macOS 13 or later.";
+"error.launch_at_login.requires_approval" = "macOS accepted the login item request, but it may still need approval in System Settings -> General -> Login Items.";
+"error.launch_at_login.service_failure" = "Could not update the login item: %@";
+"note.temperature.available" = "Temperature mode: %@. Source: Apple Silicon HID sensors first, helper fallback second.";
+"note.temperature.arm64_unavailable" = "Apple Silicon HID sensors were checked for %@, but no valid value was exposed right now.";
+"note.temperature.intel_hint" = "Intel: install osx-cpu-temp or istats to show a real CPU temperature.";
+"note.temperature.no_source" = "No valid CPU temperature source found.";

Sources/ProcessBarMonitor/Resources/zh-Hans.lproj/Localizable.strings

@@ -0,0 +1,59 @@
+"summary.cpu" = "CPU";
+"summary.ram" = "内存";
+"summary.temp" = "温度";
+"summary.thermal" = "热状态";
+"metric.used_percent" = "已用 %.0f%%";
+"health.line" = "CPU %@ · 内存 %@ · 温度 %@";
+"trend.cpu" = "CPU 趋势";
+"trend.ram" = "内存趋势";
+"trend.temp" = "温度趋势";
+"section.filter_display" = "筛选与显示";
+"picker.menu_bar" = "菜单栏";
+"picker.temperature" = "温度模式";
+"search.placeholder" = "搜索应用名 / 路径 / PID / Bundle ID";
+"picker.rows" = "行数";
+"toggle.launch_at_login" = "开机启动";
+"section.top_apps_cpu" = "CPU 占用最高应用";
+"section.top_apps_cpu_desc" = "点击应用可查看分组后的子进程。CPU 为各进程原始占比，多核 Mac 上总和可能超过 100%%。";
+"section.top_apps_memory" = "内存占用最高应用";
+"section.top_apps_memory_desc" = "点击应用可查看分组后的子进程。";
+"button.refreshing" = "刷新中...";
+"button.refresh_now" = "立即刷新";
+"button.quit" = "退出";
+"label.updated_at" = "更新于 %@";
+"header.app" = "应用";
+"header.group" = "分组";
+"header.cpu" = "CPU";
+"header.memory" = "内存";
+"process.more_count" = "+ 另外 %d 个进程";
+"process.pid" = "PID %d";
+"process.count_procs" = "%d 个进程";
+"status.failed_to_load_top_apps" = "加载 Top Apps 失败：%@";
+"status.launch_at_login_enabled" = "已启用开机启动。";
+"status.launch_at_login_disabled" = "已关闭开机启动。";
+"thermal.nominal" = "正常";
+"thermal.fair" = "一般";
+"thermal.serious" = "较高";
+"thermal.critical" = "严重";
+"thermal.unknown" = "未知";
+"menu_display.compact" = "紧凑";
+"menu_display.labeled" = "带标签";
+"menu_display.temperature_first" = "温度优先";
+"menu_bar_title.compact" = "%@  %@  %@";
+"menu_bar_title.labeled" = "CPU %@  内存 %@  %@";
+"menu_bar_title.temperature_first" = "%@  %@  %@";
+"temp_mode.hottest_cpu" = "最高 CPU 温度";
+"temp_mode.average_cpu" = "平均 CPU 温度";
+"temp_mode.hottest_soc" = "最高 SoC 温度";
+"error.ps.launch_failed" = "无法启动 ps：%@";
+"error.ps.command_failed_no_stderr" = "ps 退出状态码 %d。";
+"error.ps.command_failed" = "ps 退出状态码 %d：%@";
+"error.ps.invalid_utf8" = "ps 输出不是有效的 UTF-8。";
+"error.ps.no_processes_parsed" = "ps 返回了 %d 行，但没有可解析的进程。";
+"error.launch_at_login.unsupported" = "开机启动需要 macOS 13 或更高版本。";
+"error.launch_at_login.requires_approval" = "macOS 已接受开机启动请求，但可能仍需在 系统设置 -> 通用 -> 登录项 中批准。";
+"error.launch_at_login.service_failure" = "无法更新登录项：%@";
+"note.temperature.available" = "温度模式：%@。来源：优先 Apple Silicon HID 传感器，其次为辅助工具。";
+"note.temperature.arm64_unavailable" = "已检查 %@ 的 Apple Silicon HID 传感器，但当前未返回有效值。";
+"note.temperature.intel_hint" = "Intel 机型：安装 osx-cpu-temp 或 istats 以显示真实 CPU 温度。";
+"note.temperature.no_source" = "未找到有效的 CPU 温度来源。";

Sources/ProcessBarMonitor/SystemMetricsProvider.swift

@@ -117,14 +117,14 @@ actor SystemMetricsProvider {
 
     private func architectureAndTemperatureNote(temperatureAvailable: Bool, mode: TemperatureMode) -> String {
         if temperatureAvailable {
-            return "Temperature mode: \(mode.rawValue). Source: Apple Silicon HID sensors first, helper fallback second."
+            return L10n.format("note.temperature.available", mode.title)
         }
         #if arch(arm64)
-        return "Apple Silicon HID sensors were checked for \(mode.rawValue), but no valid value was exposed right now."
+        return L10n.format("note.temperature.arm64_unavailable", mode.title)
         #elseif arch(x86_64)
-        return "Intel: install osx-cpu-temp or istats to show a real CPU temperature."
+        return L10n.string("note.temperature.intel_hint")
         #else
-        return "No valid CPU temperature source found."
+        return L10n.string("note.temperature.no_source")
         #endif
     }
 }