fix: 修复悬浮窗顶部异常矩形并完善背板行为

Sources/FloatingMonitor/App/AppDelegate.swift

@@ -6,6 +6,7 @@ extension Notification.Name {
     static let showSettingsPanel = Notification.Name("FloatingMonitor.ShowSettings")
     static let resizeMonitorWindow = Notification.Name("FloatingMonitor.ResizeWindow")
     static let refreshIntervalChanged = Notification.Name("FloatingMonitor.RefreshIntervalChanged")
+    static let backdropEnabledChanged = Notification.Name("FloatingMonitor.BackdropEnabledChanged")
 }
 
 // MARK: - AppDelegate

Sources/FloatingMonitor/App/FloatingWindow.swift

@@ -21,7 +21,11 @@ final class FloatingWindow: NSWindow {
         self.hasShadow = true
         self.isMovableByWindowBackground = true
         self.minSize = NSSize(width: 240, height: 200)
-        self.titlebarAppearsTransparent = true
+
-        self.titleVisibility = .hidden
+        // 替换默认 contentView 为透明视图，防止系统默认灰色背景露出
+        let view = NSView()
+        view.wantsLayer = true
+        view.layer?.backgroundColor = NSColor.clear.cgColor
+        self.contentView = view
     }
 }

Sources/FloatingMonitor/App/FloatingWindowController.swift

@@ -6,14 +6,86 @@ final class FloatingWindowController: NSWindowController {
     private var hostingView: NSHostingView<ContentView>?
     private var visualEffect: NSVisualEffectView!
 
+    private let debugLogPath = NSHomeDirectory() + "/Desktop/fm_debug.log"
+
     convenience init() {
-        let window = FloatingWindow()
+        let window = FloatingWindow(
+            contentRect: NSRect(x: 0, y: 0, width: 250, height: 300),
+            styleMask: [.borderless, .resizable],
+            backing: .buffered,
+            defer: false
+        )
         window.isReleasedWhenClosed = false
         self.init(window: window)
         setupVisualEffect()
+        observeBackdropToggle()
+        clearDebugLog()
     }
 
-    // MARK: - 毛玻璃（只做合成锚点，alpha 始终=1）
+    // MARK: - 调试日志
+
+    private func clearDebugLog() {
+        try? "".write(toFile: debugLogPath, atomically: true, encoding: .utf8)
+    }
+
+    private func log(_ msg: String) {
+        let ts = ISO8601DateFormatter().string(from: Date())
+        let line = "[\(ts)] \(msg)\n"
+        if let data = line.data(using: .utf8) {
+            if let handle = FileHandle(forWritingAtPath: debugLogPath) {
+                handle.seekToEndOfFile()
+                handle.write(data)
+                handle.closeFile()
+            } else {
+                try? data.write(to: URL(fileURLWithPath: debugLogPath))
+            }
+        }
+    }
+
+    func dumpGeometry(_ tag: String) {
+        guard let window = window else { return }
+        log("===== \(tag) =====")
+        log("window.frame          = \(window.frame)")
+        log("window.styleMask      = \(window.styleMask.rawValue)")
+        log("window.isOpaque       = \(window.isOpaque)")
+        log("window.hasShadow      = \(window.hasShadow)")
+        log("window.level          = \(window.level.rawValue)")
+        log("window.backgroundColor= \(String(describing: window.backgroundColor))")
+        log("window.isVisible      = \(window.isVisible)")
+        log("window.titlebarAppearsTransparent = \(window.titlebarAppearsTransparent)")
+
+        guard let cv = window.contentView else { return }
+        log("--- contentView ---")
+        log("contentView.frame     = \(cv.frame)")
+        log("contentView.bounds    = \(cv.bounds)")
+        log("contentView.subviews.count = \(cv.subviews.count)")
+
+        for (i, sv) in cv.subviews.enumerated() {
+            log("  subview[\(i)]: \(type(of: sv))")
+            log("    frame       = \(sv.frame)")
+            log("    bounds      = \(sv.bounds)")
+            log("    isHidden    = \(sv.isHidden)")
+            log("    alphaValue  = \(sv.alphaValue)")
+            log("    wantsLayer  = \(sv.wantsLayer)")
+            if let layer = sv.layer {
+                log("    layer.frame       = \(layer.frame)")
+                log("    layer.bounds      = \(layer.bounds)")
+                log("    layer.cornerRadius= \(layer.cornerRadius)")
+                log("    layer.masksToBounds=\(layer.masksToBounds)")
+                log("    layer.isHidden    = \(layer.isHidden)")
+                log("    layer.opacity     = \(layer.opacity)")
+                log("    layer.sublayers?.count = \(layer.sublayers?.count ?? 0)")
+                if let subs = layer.sublayers {
+                    for (j, sl) in subs.enumerated() {
+                        log("      sublayer[\(j)]: \(type(of: sl)) frame=\(sl.frame) bounds=\(sl.bounds) hidden=\(sl.isHidden)")
+                    }
+                }
+            }
+        }
+        log("")
+    }
+
+    // MARK: - 毛玻璃背板
 
     private func setupVisualEffect() {
         guard let window = window else { return }
@@ -23,7 +95,7 @@ final class FloatingWindowController: NSWindowController {
         ve.material = .hudWindow
         ve.blendingMode = .behindWindow
         ve.state = .active
-        ve.alphaValue = 1.0  // 始终不透明，维持窗口合成通道
+        ve.alphaValue = 1.0
         ve.translatesAutoresizingMaskIntoConstraints = false
 
         ve.layer?.cornerRadius = 16
@@ -43,6 +115,35 @@ final class FloatingWindowController: NSWindowController {
             ve.topAnchor.constraint(equalTo: contentView.topAnchor),
             ve.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
         ])
+
+        applyBackdropEnabled(Configuration.shared.backdropEnabled)
+    }
+
+    // MARK: - 背板开关
+
+    private func observeBackdropToggle() {
+        NotificationCenter.default.addObserver(
+            forName: .backdropEnabledChanged, object: nil, queue: .main
+        ) { [weak self] note in
+            guard let enabled = note.object as? Bool else { return }
+            self?.applyBackdropEnabled(enabled)
+        }
+    }
+
+    private func applyBackdropEnabled(_ enabled: Bool) {
+        guard let ve = visualEffect else { return }
+        if enabled {
+            ve.blendingMode = .behindWindow
+            ve.alphaValue = 1.0
+            ve.layer?.backgroundColor = NSColor.black.withAlphaComponent(0.35).cgColor
+        } else {
+            ve.blendingMode = .withinWindow
+            ve.alphaValue = 0.0
+            ve.layer?.backgroundColor = NSColor.clear.cgColor
+        }
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) { [weak self] in
+            self?.dumpGeometry("backdropEnabled=\(enabled)")
+        }
     }
 
     // MARK: - SwiftUI 嵌入
@@ -52,7 +153,7 @@ final class FloatingWindowController: NSWindowController {
 
         let hv = NSHostingView(rootView: rootView)
         hv.wantsLayer = true
-        hv.layer?.cornerRadius = 16
+        hv.layer?.cornerRadius = Configuration.shared.backdropEnabled ? 16 : 0
         hv.layer?.masksToBounds = true
         hv.translatesAutoresizingMaskIntoConstraints = false
 
@@ -88,6 +189,9 @@ final class FloatingWindowController: NSWindowController {
         }
         window.makeKeyAndOrderFront(nil)
         NSApp.activate(ignoringOtherApps: false)
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) { [weak self] in
+            self?.dumpGeometry("show")
+        }
     }
 
     func hide() {

Sources/FloatingMonitor/Configuration.swift

@@ -110,6 +110,16 @@ final class Configuration: ObservableObject {
         didSet { save("windowHeight", windowHeight) }
     }
 
+    @Published var backdropEnabled: Bool {
+        didSet {
+            save("backdropEnabled", backdropEnabled)
+            NotificationCenter.default.post(name: .backdropEnabledChanged, object: backdropEnabled)
+        }
+    }
+    @Published var invertTextColor: Bool {
+        didSet { save("invertTextColor", invertTextColor) }
+    }
+
     @Published var gaugeAnimationEnabled: Bool {
         didSet { save("gaugeAnimationEnabled", gaugeAnimationEnabled) }
     }
@@ -192,6 +202,8 @@ final class Configuration: ObservableObject {
         fontSize        = defaults.object(forKey: "fontSize") as? Double ?? 12
         windowWidth     = defaults.object(forKey: "windowWidth") as? Double ?? 250
         windowHeight    = defaults.object(forKey: "windowHeight") as? Double ?? 300
+        backdropEnabled = defaults.object(forKey: "backdropEnabled") as? Bool ?? true
+        invertTextColor = defaults.object(forKey: "invertTextColor") as? Bool ?? false
 
         gaugeAnimationEnabled = defaults.object(forKey: "gaugeAnimationEnabled") as? Bool ?? true
         textAnimationEnabled  = defaults.object(forKey: "textAnimationEnabled") as? Bool ?? true

Sources/FloatingMonitor/ContentView.swift

@@ -33,6 +33,7 @@ struct ContentView: View {
         }
         .frame(minWidth: 240, idealWidth: 280, maxWidth: 400,
                minHeight: 200, idealHeight: 480, maxHeight: 700)
+        .environment(\.colorScheme, config.invertTextColor ? .dark : .light)
         .onAppear {
             monitor.interval = config.refreshInterval
             monitor.topN = config.processCount

Sources/FloatingMonitor/Views/SettingsView.swift

@@ -269,6 +269,26 @@ struct SettingsView: View {
                     .frame(width: 38, alignment: .trailing)
             }
 
+            HStack {
+                Text("毛玻璃背板")
+                    .font(.system(size: 12))
+                Spacer()
+                Toggle("", isOn: $config.backdropEnabled)
+                    .toggleStyle(.switch)
+                    .scaleEffect(0.7)
+                    .frame(width: 38)
+            }
+
+            HStack {
+                Text("反转文字颜色")
+                    .font(.system(size: 12))
+                Spacer()
+                Toggle("", isOn: $config.invertTextColor)
+                    .toggleStyle(.switch)
+                    .scaleEffect(0.7)
+                    .frame(width: 38)
+            }
+
             HStack {
                 Text("图形动画")
                     .font(.system(size: 12))