gentpan
51b954983b
- 电池按九种风格画在菜单栏，充电中带闪电，电量低于 20% 按“高负载时着色”变红；点击弹出电池详情，主窗口同名页面复用同一视图，历史页多了电池电量曲线 - 历史库加 battery 列（旧库首次打开时 ALTER TABLE 迁移），HistoryRecorder 单独查最近 24 小时电量供弹窗使用 - BluetoothController 按需轮询蓝牙设备电量：弹窗 / 页面开着每分钟，菜单栏需要时每 5 分钟；本机信息页的蓝牙卡片改用它 - 没有电池的 Mac 上电池项目改为显示电量最低的蓝牙设备；「设置 · 菜单栏」新增“蓝牙设备电量低时提示”开关（同步文档一并带上） - README、架构说明、更新日志与译文同步
552 lines
28 KiB
Swift
552 lines
28 KiB
Swift
import AppKit
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import Localization
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import Metrics
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/// 菜单栏上要画的读数，与数据来源解耦，设置页预览可以用示例数据绘制
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struct MenuBarReading {
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var cpu: Double?
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var cpuHistory: [Double] = []
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var gpu: Double?
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var gpuHistory: [Double] = []
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var memory: Double?
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var memoryHistory: [Double] = []
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/// 启动磁盘已用占比；用量几乎不变，柱状 / 折线风格画成一条平线
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var disk: Double?
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var diskHistory: [Double] = []
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var upload: Double?
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var download: Double?
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var temperature: Double?
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var fanRPM: Double?
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var battery: Double?
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var batteryHistory: [Double] = []
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var batteryCharging = false
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/// 附在电池项旁的蓝牙设备：电量低的那一个，或没有电池的 Mac 上电量最低的那一个
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var bluetoothDevice: (symbol: String, percent: Int)?
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var keepAwake = false
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/// 蓝牙设备电量低于这个百分比才在菜单栏提示
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static let lowBluetoothPercent = 20
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@MainActor
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init(model: AppModel) {
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let store = model.store
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cpu = store.cpu?.total
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cpuHistory = store.cpuTotal.elements
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gpu = store.gpu?.utilization
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gpuHistory = store.gpuHistory.elements
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memory = store.memory?.usedFraction
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memoryHistory = store.memoryHistory.elements
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disk = store.disk?.usedFraction
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diskHistory = disk.map { Array(repeating: $0, count: 30) } ?? []
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upload = store.network?.uploadBytesPerSecond
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download = store.network?.downloadBytesPerSecond
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temperature = store.sensors?.temperature(.cpu)?.maximum
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fanRPM = store.fastestFan?.current
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battery = store.battery?.level
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batteryHistory = battery.map { Array(repeating: $0, count: 30) } ?? []
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batteryCharging = store.battery?.isCharging ?? false
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if let lowest = model.bluetooth.lowest,
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battery == nil || (model.settings.bluetoothLowBatteryInMenuBar && lowest.percent <= Self.lowBluetoothPercent) {
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bluetoothDevice = (lowest.device.kind.symbol, lowest.percent)
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}
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keepAwake = model.keepAwake.isActive
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}
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init() {}
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/// 设置页预览用的示例读数：历史给 30 个点，柱状风格取最后 10 个，折线风格用全部
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static let sample: MenuBarReading = {
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var reading = MenuBarReading()
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reading.cpu = 0.34
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reading.cpuHistory = [0.12, 0.15, 0.11, 0.20, 0.33, 0.27, 0.19, 0.24, 0.45, 0.38,
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0.30, 0.26, 0.22, 0.35, 0.58, 0.49, 0.41, 0.37, 0.30, 0.25,
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0.18, 0.22, 0.41, 0.36, 0.28, 0.52, 0.47, 0.31, 0.29, 0.34]
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reading.gpu = 0.22
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reading.gpuHistory = [0.02, 0.04, 0.03, 0.08, 0.15, 0.12, 0.09, 0.11, 0.24, 0.20,
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0.14, 0.10, 0.08, 0.17, 0.35, 0.28, 0.22, 0.19, 0.14, 0.10,
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0.05, 0.12, 0.30, 0.18, 0.10, 0.26, 0.40, 0.21, 0.15, 0.22]
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reading.memory = 0.68
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reading.memoryHistory = Array(repeating: 0.68, count: 30)
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reading.disk = 0.58
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reading.diskHistory = Array(repeating: 0.58, count: 30)
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reading.upload = 12 * 1024
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reading.download = 1.4 * 1024 * 1024
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reading.temperature = 52
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reading.fanRPM = 1840
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reading.battery = 0.82
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reading.batteryHistory = Array(repeating: 0.82, count: 30)
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return reading
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}()
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func percent(_ item: MenuBarItem) -> (value: Double?, history: [Double]) {
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switch item {
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case .cpu: (cpu, cpuHistory)
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case .gpu: (gpu, gpuHistory)
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case .memory: (memory, memoryHistory)
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case .disk: (disk, diskHistory)
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case .battery: (battery, batteryHistory)
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default: (nil, [])
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}
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}
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/// 鼠标悬停时的完整读数
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func tooltip(items: [MenuBarItem], fahrenheit: Bool) -> String {
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items.compactMap { item -> String? in
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switch item {
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case .cpu: cpu.map { "CPU \(Format.percent($0))" }
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case .gpu: gpu.map { "GPU \(Format.percent($0))" }
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case .memory: memory.map { tr("内存 \(Format.percent($0))") }
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case .disk: disk.map { tr("磁盘已用 \(Format.percent($0))") }
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case .network:
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upload.flatMap { up in download.map { tr("上传 \(Format.menuBarRate(up)) · 下载 \(Format.menuBarRate($0))") } }
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case .temperature: temperature.map { tr("CPU 温度 \(Format.temperature($0, fahrenheit: fahrenheit))") }
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case .fan: fanRPM.map { tr("风扇 \(Format.rpm($0))") }
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case .battery:
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battery.map { tr("电池 \(Format.percent($0))") + (batteryCharging ? tr("，充电中") : "") }
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?? bluetoothDevice.map { tr("蓝牙设备电量 \($0.percent)%") }
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}
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}
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.joined(separator: "\n")
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}
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}
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/// 菜单栏图标自绘：每次刷新只生成一张小图，避免在菜单栏里重建 SwiftUI 视图
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@MainActor
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enum MenuBarRenderer {
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/// 菜单栏只有 22pt 高，字号刻意小于面板的字号体系，与 Stats 等菜单栏工具同一量级。
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/// 每种风格内部只用这一套排版：两行布局是 7pt 标签 + 10pt 数值，单行布局 11pt，网速两行 9pt。
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private enum Metrics {
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@MainActor static let labelFont = NSFont.systemFont(ofSize: 7, weight: .medium)
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@MainActor static let stackedValueFont = NSFont.monospacedDigitSystemFont(ofSize: 10, weight: .medium)
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@MainActor static let inlineLabelFont = NSFont.systemFont(ofSize: 10, weight: .regular)
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@MainActor static let inlineValueFont = NSFont.monospacedDigitSystemFont(ofSize: 11, weight: .medium)
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@MainActor static let networkFont = NSFont.monospacedDigitSystemFont(ofSize: 9, weight: .regular)
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static let barHeight: CGFloat = 22
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static let upperBaseline: CGFloat = 13
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static let lowerBaseline: CGFloat = 3
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static let symbolSize: CGFloat = 11
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static let itemGap = DS.Space.s3
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static let innerGap = DS.Space.s1
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static let historyCount = 10
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static let historyBarWidth: CGFloat = 2
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static let historyBarGap: CGFloat = 1
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static let lineCount = 30
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static let lineWidth: CGFloat = 30
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static let chartHeight: CGFloat = 13
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static let gaugeDiameter: CGFloat = 13
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static let ringWidth: CGFloat = 2
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static let meterSize = NSSize(width: 5, height: 13)
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static let dotSize: CGFloat = 5
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static let trackAlpha: CGFloat = 0.25
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static let warningLevel = 0.6
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static let highLevel = 0.85
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/// 电量低于这个比例按警示着色
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static let lowBatteryLevel = 0.2
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}
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private struct Segment {
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let width: CGFloat
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/// 是否含有彩色元素（需要非模板图）
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var colored = false
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let draw: (NSRect) -> Void
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}
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static func image(for model: AppModel) -> NSImage {
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let settings = model.settings
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return image(reading: MenuBarReading(model: model),
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items: settings.orderedMenuBarItems,
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style: { settings.style(for: $0) },
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networkStyle: settings.networkStyle,
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colorizeHighLoad: settings.colorizeHighLoad,
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fahrenheit: settings.useFahrenheit)
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}
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static func image(reading: MenuBarReading,
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items: [MenuBarItem],
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style: (MenuBarItem) -> MenuBarStyle,
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networkStyle: NetworkMenuStyle,
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colorizeHighLoad: Bool,
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fahrenheit: Bool) -> NSImage {
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var segments: [Segment] = []
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if reading.keepAwake { segments.append(symbolSegment("cup.and.saucer.fill")) }
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for item in items {
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segments.append(segment(for: item, reading: reading, style: style(item), networkStyle: networkStyle,
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colorizeHighLoad: colorizeHighLoad, fahrenheit: fahrenheit))
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}
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if segments.isEmpty { segments.append(symbolSegment("waveform.path.ecg")) }
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let width = segments.reduce(0) { $0 + $1.width } + CGFloat(segments.count - 1) * Metrics.itemGap
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let image = NSImage(size: NSSize(width: ceil(width), height: Metrics.barHeight), flipped: false) { rect in
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var x: CGFloat = 0
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for segment in segments {
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segment.draw(NSRect(x: x, y: rect.minY, width: segment.width, height: rect.height))
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x += segment.width + Metrics.itemGap
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}
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return true
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}
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// 模板图自动适配浅色 / 深色菜单栏；含彩色元素时保留真实颜色，文字仍用动态的 labelColor
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image.isTemplate = !segments.contains(where: \.colored)
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return image
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}
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/// 设置页预览：按指定外观绘制到不透明底色上
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static func preview(_ image: NSImage, dark: Bool) -> NSImage {
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let appearance = NSAppearance(named: dark ? .darkAqua : .aqua)
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return NSImage(size: image.size, flipped: false) { rect in
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let draw = {
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image.draw(in: rect)
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if image.isTemplate {
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(dark ? NSColor.white : NSColor.black).set()
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rect.fill(using: .sourceAtop)
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}
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}
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if let appearance { appearance.performAsCurrentDrawingAppearance(draw) } else { draw() }
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return true
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}
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}
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// MARK: 各指标
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private static func segment(for item: MenuBarItem, reading: MenuBarReading, style: MenuBarStyle,
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networkStyle: NetworkMenuStyle, colorizeHighLoad: Bool, fahrenheit: Bool) -> Segment {
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switch item {
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case .cpu, .gpu, .memory, .disk:
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let (value, history) = reading.percent(item)
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return percentSegment(item: item, value: value, history: history, style: style, colorizeHighLoad: colorizeHighLoad)
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case .network:
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return networkSegment(upload: reading.upload, download: reading.download, style: networkStyle)
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case .temperature:
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let text = reading.temperature.map { celsius -> String in
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let degrees = fahrenheit ? celsius * 9 / 5 + 32 : celsius
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return "\(Int(degrees.rounded()))°"
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} ?? "—"
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return textSegment(item: item, value: text, sample: "100°", style: style)
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case .fan:
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return textSegment(item: item, value: reading.fanRPM.map { "\(Int($0))" } ?? "—", sample: "8888", style: style)
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case .battery:
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return batterySegment(reading: reading, style: style, colorizeHighLoad: colorizeHighLoad)
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}
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}
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/// 电池：按电量画图形，电量低时着色为警示；充电中在前面加一道闪电。
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/// 没有电池的 Mac 显示电量最低的蓝牙设备；开了提示且某个设备电量低时，附在电池后面
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private static func batterySegment(reading: MenuBarReading, style: MenuBarStyle, colorizeHighLoad: Bool) -> Segment {
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let bluetooth = reading.bluetoothDevice.map { device in
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combine([symbolSegment(device.symbol),
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inlineValue("\(device.percent)%", sample: "100%",
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alert: colorizeHighLoad && device.percent <= MenuBarReading.lowBluetoothPercent)])
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}
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guard let level = reading.battery else {
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return bluetooth ?? textSegment(item: .battery, value: "—", sample: "100%", style: style)
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}
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let fraction = min(1, max(0, level))
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let text = Format.percent(fraction)
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let alert = colorizeHighLoad && fraction <= Metrics.lowBatteryLevel
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let label = MenuBarItem.battery.menuBarLabel
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let stacked = stackedText(label: label, value: text, sample: "100%", alert: alert)
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var segment: Segment
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switch style {
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case .stacked: segment = stacked
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case .inline: segment = inlineText(label: label, value: text, sample: "100%", alert: alert)
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case .icon:
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let symbol = reading.batteryCharging ? "battery.100.bolt" : batterySymbol(fraction)
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segment = combine([symbolSegment(symbol), inlineValue(text, sample: "100%", alert: alert)])
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case .ring: segment = combine([ring(fraction: fraction, alert: alert), stacked])
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case .pie: segment = combine([pie(fraction: fraction, alert: alert), stacked])
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case .history: segment = combine([historyBars(reading.batteryHistory, alert: alert), stacked])
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case .line: segment = combine([historyLine(reading.batteryHistory, alert: alert), stacked])
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case .meter: segment = combine([meter(fraction: fraction, alert: alert), stacked])
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// 圆点的颜色档按“越满越危险”定义，电量正好相反
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case .dot: segment = combine([levelDot(fraction: 1 - fraction), stacked])
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}
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if reading.batteryCharging && style != .icon {
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segment = combine([symbolSegment("bolt.fill"), segment])
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}
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if let bluetooth {
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segment = combine([segment, bluetooth], gap: DS.Space.s2)
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}
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return segment
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}
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private static func batterySymbol(_ fraction: Double) -> String {
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switch fraction {
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case ..<0.125: "battery.0"
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case ..<0.375: "battery.25"
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case ..<0.625: "battery.50"
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case ..<0.875: "battery.75"
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default: "battery.100"
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}
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}
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private static func percentSegment(item: MenuBarItem, value: Double?, history: [Double],
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style: MenuBarStyle, colorizeHighLoad: Bool) -> Segment {
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let fraction = min(1, max(0, value ?? 0))
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let text = value.map { Format.percent($0) } ?? "—"
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let alert = colorizeHighLoad && fraction >= Metrics.highLevel
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let stacked = stackedText(label: item.menuBarLabel, value: text, sample: "100%", alert: alert)
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switch style {
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case .stacked:
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return stacked
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case .inline:
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return inlineText(label: item.menuBarLabel, value: text, sample: "100%", alert: alert)
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case .icon:
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return combine([symbolSegment(item.symbol), inlineValue(text, sample: "100%", alert: alert)])
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case .ring:
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return combine([ring(fraction: fraction, alert: alert), stacked])
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case .pie:
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return combine([pie(fraction: fraction, alert: alert), stacked])
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case .history:
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return combine([historyBars(history, alert: alert), stacked])
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case .line:
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return combine([historyLine(history, alert: alert), stacked])
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case .meter:
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return combine([meter(fraction: fraction, alert: alert), stacked])
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case .dot:
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return combine([levelDot(fraction: fraction), stacked])
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}
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}
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/// 温度、风扇没有百分比图形：两行风格用标签 + 数值，单行风格与图标风格保持单行
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private static func textSegment(item: MenuBarItem, value: String, sample: String, style: MenuBarStyle) -> Segment {
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switch style {
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case .inline: inlineText(label: item.menuBarLabel, value: value, sample: sample, alert: false)
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case .icon: combine([symbolSegment(item.symbol), inlineValue(value, sample: sample, alert: false)])
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default: stackedText(label: item.menuBarLabel, value: value, sample: sample, alert: false)
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}
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}
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// MARK: 文字
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private static func foreground(_ alert: Bool) -> NSColor {
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alert ? .systemRed : .labelColor
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}
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/// 颜色保持动态（labelColor / secondaryLabelColor），在绘制时才按菜单栏外观解析
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private static func stackedText(label: String, value: String, sample: String, alert: Bool) -> Segment {
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let labelAttributes: [NSAttributedString.Key: Any] = [.font: Metrics.labelFont, .foregroundColor: NSColor.secondaryLabelColor]
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let valueAttributes: [NSAttributedString.Key: Any] = [.font: Metrics.stackedValueFont, .foregroundColor: foreground(alert)]
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let width = ceil(max(textWidth(label, labelAttributes), textWidth(value, valueAttributes), textWidth(sample, valueAttributes)))
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return Segment(width: width) { rect in
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let base = baselineOrigin(in: rect)
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drawText(label, labelAttributes, rightEdge: rect.maxX, baseline: base + Metrics.upperBaseline)
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drawText(value, valueAttributes, rightEdge: rect.maxX, baseline: base + Metrics.lowerBaseline)
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}
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}
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private static func inlineText(label: String, value: String, sample: String, alert: Bool) -> Segment {
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let labelAttributes: [NSAttributedString.Key: Any] = [.font: Metrics.inlineLabelFont, .foregroundColor: NSColor.secondaryLabelColor]
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let labelWidth = ceil(textWidth(label, labelAttributes))
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let valueSegment = inlineValue(value, sample: sample, alert: alert)
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return Segment(width: labelWidth + Metrics.innerGap + valueSegment.width) { rect in
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drawText(label, labelAttributes, rightEdge: rect.minX + labelWidth,
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baseline: rect.midY - Metrics.inlineLabelFont.capHeight / 2)
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valueSegment.draw(NSRect(x: rect.maxX - valueSegment.width, y: rect.minY, width: valueSegment.width, height: rect.height))
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}
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}
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private static func inlineValue(_ value: String, sample: String, alert: Bool) -> Segment {
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let attributes: [NSAttributedString.Key: Any] = [.font: Metrics.inlineValueFont, .foregroundColor: foreground(alert)]
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let width = ceil(max(textWidth(value, attributes), textWidth(sample, attributes)))
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return Segment(width: width) { rect in
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drawText(value, attributes, rightEdge: rect.maxX, baseline: rect.midY - Metrics.inlineValueFont.capHeight / 2)
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}
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}
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private static func textWidth(_ text: String, _ attributes: [NSAttributedString.Key: Any]) -> CGFloat {
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(text as NSString).size(withAttributes: attributes).width
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}
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private static func drawText(_ text: String, _ attributes: [NSAttributedString.Key: Any], rightEdge: CGFloat, baseline: CGFloat) {
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let string = NSAttributedString(string: text, attributes: attributes)
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let width = string.size().width
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string.draw(with: NSRect(x: rightEdge - width, y: baseline, width: width, height: 0))
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}
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/// 刘海屏的菜单栏更高，两行内容整体在按钮内垂直居中
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private static func baselineOrigin(in rect: NSRect) -> CGFloat {
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rect.midY - Metrics.barHeight / 2
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}
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// MARK: 图形
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private static func ring(fraction: Double, alert: Bool) -> Segment {
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Segment(width: Metrics.gaugeDiameter) { rect in
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let inset = Metrics.ringWidth / 2
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let circle = NSRect(x: rect.minX + inset, y: rect.midY - Metrics.gaugeDiameter / 2 + inset,
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width: Metrics.gaugeDiameter - Metrics.ringWidth, height: Metrics.gaugeDiameter - Metrics.ringWidth)
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let track = NSBezierPath(ovalIn: circle)
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track.lineWidth = Metrics.ringWidth
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NSColor.labelColor.withAlphaComponent(Metrics.trackAlpha).setStroke()
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track.stroke()
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guard fraction > 0 else { return }
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let arc = NSBezierPath()
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arc.appendArc(withCenter: NSPoint(x: circle.midX, y: circle.midY), radius: circle.width / 2,
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startAngle: 90, endAngle: 90 - 360 * fraction, clockwise: true)
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arc.lineWidth = Metrics.ringWidth
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arc.lineCapStyle = .round
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foreground(alert).setStroke()
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arc.stroke()
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}
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}
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private static func pie(fraction: Double, alert: Bool) -> Segment {
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Segment(width: Metrics.gaugeDiameter) { rect in
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let circle = NSRect(x: rect.minX, y: rect.midY - Metrics.gaugeDiameter / 2,
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width: Metrics.gaugeDiameter, height: Metrics.gaugeDiameter)
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NSColor.labelColor.withAlphaComponent(Metrics.trackAlpha).setFill()
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NSBezierPath(ovalIn: circle).fill()
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guard fraction > 0 else { return }
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let center = NSPoint(x: circle.midX, y: circle.midY)
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let wedge = NSBezierPath()
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wedge.move(to: center)
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wedge.appendArc(withCenter: center, radius: circle.width / 2,
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startAngle: 90, endAngle: 90 - 360 * fraction, clockwise: true)
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wedge.close()
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foreground(alert).setFill()
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wedge.fill()
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}
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}
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/// 最近 10 次采样的负载，每根柱子一次采样
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private static func historyBars(_ history: [Double], alert: Bool) -> Segment {
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let recent = Array(history.suffix(Metrics.historyCount))
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let padded = Array(repeating: 0, count: Metrics.historyCount - recent.count) + recent
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let width = CGFloat(Metrics.historyCount) * Metrics.historyBarWidth + CGFloat(Metrics.historyCount - 1) * Metrics.historyBarGap
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return Segment(width: width) { rect in
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let bottom = rect.midY - Metrics.chartHeight / 2
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// 不画满高的底槽，只留一条淡基线，柱子的起伏才看得清
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NSColor.labelColor.withAlphaComponent(Metrics.trackAlpha).setFill()
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NSRect(x: rect.minX, y: bottom, width: width, height: 1).fill()
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for (index, value) in padded.enumerated() where value > 0 {
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let x = rect.minX + CGFloat(index) * (Metrics.historyBarWidth + Metrics.historyBarGap)
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foreground(alert && value >= Metrics.highLevel).setFill()
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NSRect(x: x, y: bottom, width: Metrics.historyBarWidth,
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height: max(1, Metrics.chartHeight * min(1, value))).fill()
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}
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}
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}
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/// 最近 30 次采样的折线，最新的点在右边，线下填淡色；数据不足时从右往左只画已有的部分
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private static func historyLine(_ history: [Double], alert: Bool) -> Segment {
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let recent = Array(history.suffix(Metrics.lineCount))
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return Segment(width: Metrics.lineWidth) { rect in
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let bottom = rect.midY - Metrics.chartHeight / 2
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NSColor.labelColor.withAlphaComponent(Metrics.trackAlpha).setFill()
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NSRect(x: rect.minX, y: bottom, width: Metrics.lineWidth, height: 1).fill()
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guard recent.count > 1 else { return }
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let step = Metrics.lineWidth / CGFloat(Metrics.lineCount - 1)
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let startX = rect.maxX - CGFloat(recent.count - 1) * step
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let line = NSBezierPath()
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for (index, value) in recent.enumerated() {
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let point = NSPoint(x: startX + CGFloat(index) * step,
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y: bottom + 1 + (Metrics.chartHeight - 2) * CGFloat(min(1, max(0, value))))
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index == 0 ? line.move(to: point) : line.line(to: point)
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}
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let area = line.copy() as! NSBezierPath
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area.line(to: NSPoint(x: rect.maxX, y: bottom))
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area.line(to: NSPoint(x: startX, y: bottom))
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area.close()
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foreground(alert).withAlphaComponent(Metrics.trackAlpha).setFill()
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area.fill()
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line.lineWidth = 1
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line.lineJoinStyle = .round
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foreground(alert).setStroke()
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line.stroke()
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}
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}
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/// 竖向电量条
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private static func meter(fraction: Double, alert: Bool) -> Segment {
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Segment(width: Metrics.meterSize.width) { rect in
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let frame = NSRect(x: rect.minX, y: rect.midY - Metrics.meterSize.height / 2,
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width: Metrics.meterSize.width, height: Metrics.meterSize.height)
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let radius = Metrics.meterSize.width / 3
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NSColor.labelColor.withAlphaComponent(Metrics.trackAlpha).setFill()
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NSBezierPath(roundedRect: frame, xRadius: radius, yRadius: radius).fill()
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guard fraction > 0 else { return }
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let filled = NSRect(x: frame.minX, y: frame.minY, width: frame.width,
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height: max(radius * 2, frame.height * fraction))
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foreground(alert).setFill()
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NSBezierPath(roundedRect: filled, xRadius: radius, yRadius: radius).fill()
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}
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}
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/// 按负载着色的状态点：绿色正常、橙色偏高、红色很高
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private static func levelDot(fraction: Double) -> Segment {
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var segment = Segment(width: Metrics.dotSize) { rect in
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let color: NSColor = fraction >= Metrics.highLevel ? .systemRed
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: fraction >= Metrics.warningLevel ? .systemOrange : .systemGreen
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color.setFill()
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NSBezierPath(ovalIn: NSRect(x: rect.minX, y: rect.midY - Metrics.dotSize / 2,
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width: Metrics.dotSize, height: Metrics.dotSize)).fill()
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}
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segment.colored = true
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return segment
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}
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private static func symbolSegment(_ name: String) -> Segment {
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let configuration = NSImage.SymbolConfiguration(pointSize: Metrics.symbolSize, weight: .medium)
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.applying(.init(paletteColors: [.labelColor]))
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let symbol = NSImage(systemSymbolName: name, accessibilityDescription: nil)?.withSymbolConfiguration(configuration)
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let size = symbol?.size ?? NSSize(width: Metrics.symbolSize, height: Metrics.symbolSize)
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return Segment(width: ceil(size.width)) { rect in
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symbol?.draw(in: NSRect(x: rect.minX, y: rect.midY - size.height / 2, width: size.width, height: size.height))
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}
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}
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// MARK: 网速
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private static func networkSegment(upload: Double?, download: Double?, style: NetworkMenuStyle) -> Segment {
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let up = upload.map { Format.menuBarRate($0) } ?? "— KB/s"
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let down = download.map { Format.menuBarRate($0) } ?? "— KB/s"
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switch style {
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case .dots, .arrows:
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let attributes: [NSAttributedString.Key: Any] = [.font: Metrics.networkFont, .foregroundColor: NSColor.labelColor]
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let textWidth = ceil([up, down, "999 KB/s"].map { self.textWidth($0, attributes) }.max() ?? 0)
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let markerWidth = style == .dots ? Metrics.dotSize : ceil(self.textWidth("↑", attributes))
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var segment = Segment(width: markerWidth + Metrics.innerGap + textWidth) { rect in
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let base = baselineOrigin(in: rect)
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let rows: [(String, String, NSColor, CGFloat)] = [
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(up, "↑", DS.NetworkPalette.upload, base + Metrics.upperBaseline - 1),
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(down, "↓", DS.NetworkPalette.download, base + Metrics.lowerBaseline),
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]
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for (text, arrow, color, baseline) in rows {
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if style == .dots {
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color.setFill()
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let center = baseline + Metrics.networkFont.capHeight / 2
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NSBezierPath(ovalIn: NSRect(x: rect.minX, y: center - Metrics.dotSize / 2,
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width: Metrics.dotSize, height: Metrics.dotSize)).fill()
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} else {
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drawText(arrow, [.font: Metrics.networkFont, .foregroundColor: NSColor.secondaryLabelColor],
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rightEdge: rect.minX + markerWidth, baseline: baseline)
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}
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drawText(text, attributes, rightEdge: rect.maxX, baseline: baseline)
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}
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}
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segment.colored = style == .dots
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return segment
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case .inline:
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let upSegment = inlineText(label: "↑", value: up, sample: "999 KB/s", alert: false)
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let downSegment = inlineText(label: "↓", value: down, sample: "999 KB/s", alert: false)
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return combine([upSegment, downSegment], gap: Metrics.innerGap * 2)
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}
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}
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private static func combine(_ parts: [Segment], gap: CGFloat = Metrics.innerGap) -> Segment {
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let width = parts.reduce(0) { $0 + $1.width } + CGFloat(max(0, parts.count - 1)) * gap
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var segment = Segment(width: width) { rect in
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var x = rect.minX
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for part in parts {
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part.draw(NSRect(x: x, y: rect.minY, width: part.width, height: rect.height))
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x += part.width + gap
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}
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}
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segment.colored = parts.contains(where: \.colored)
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return segment
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}
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}
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