From 4d4294f8c375a06ad87e12a2c73a98a19eb7ed7e Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Sun, 14 Jun 2026 18:46:39 +0800
Subject: [PATCH] Add Quick Switch view mode toggle

---
 C3.tools/round1-view-mode-entry-qa.sh                        |  125 ++++++++++-----
 C1.source/Sources/Aligner/QuickSwitchRootView.swift          |  274 ++++++++++++++++++++++++---------
 C1.source/Resources/Aligner-Info.plist                       |    4 
 C1.source/Sources/Aligner/AlignerApplicationDelegate.swift   |   21 ++
 C1.source/Sources/Aligner/QuickSwitchSessionController.swift |    6 
 5 files changed, 302 insertions(+), 128 deletions(-)

diff --git a/C1.source/Resources/Aligner-Info.plist b/C1.source/Resources/Aligner-Info.plist
index 5c260c2..f2b9d20 100644
--- a/C1.source/Resources/Aligner-Info.plist
+++ b/C1.source/Resources/Aligner-Info.plist
@@ -17,9 +17,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-    <string>0.0.67</string>
+    <string>0.0.68</string>
 	<key>CFBundleVersion</key>
-    <string>20260614.1559</string>
+    <string>20260614.1827</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>26.0</string>
 	<key>NSHighResolutionCapable</key>
diff --git a/C1.source/Sources/Aligner/AlignerApplicationDelegate.swift b/C1.source/Sources/Aligner/AlignerApplicationDelegate.swift
index ec6e5bf..4ada6fd 100644
--- a/C1.source/Sources/Aligner/AlignerApplicationDelegate.swift
+++ b/C1.source/Sources/Aligner/AlignerApplicationDelegate.swift
@@ -494,8 +494,8 @@
             controller.onSnapshotUpdated = { [weak self] in
                 self?.writeQuickSwitchReportIfNeeded()
             }
-            controller.onOpenSettings = { [weak self] in
-                self?.showSettingsFromQuickSwitch()
+            controller.onToggleWaterfallViewMode = { [weak self] in
+                self?.toggleQuickSwitchWaterfallViewModeFromQuickSwitch()
             }
             quickSwitchSessionController = controller
         }
@@ -573,8 +573,8 @@
             controller.onSnapshotUpdated = { [weak self] in
                 self?.writeQuickSwitchReportIfNeeded()
             }
-            controller.onOpenSettings = { [weak self] in
-                self?.showSettingsFromQuickSwitch()
+            controller.onToggleWaterfallViewMode = { [weak self] in
+                self?.toggleQuickSwitchWaterfallViewModeFromQuickSwitch()
             }
             quickSwitchSessionController = controller
         }
@@ -749,6 +749,19 @@
         ])
     }
 
+    private func toggleQuickSwitchWaterfallViewModeFromQuickSwitch() {
+        let currentMode = quickSwitchWaterfallViewMode()
+        let nextMode: QuickSwitchWaterfallViewMode = currentMode == .horizontalMasonry
+            ? .verticalColumns
+            : .horizontalMasonry
+        DevelopmentDiagnostics.log("app.quickSwitch.waterfallViewModeToggle", [
+            "currentMode": currentMode.rawValue,
+            "nextMode": nextMode.rawValue,
+            "quickSwitchVisible": quickSwitchSessionController?.isVisible ?? false
+        ])
+        setQuickSwitchWaterfallViewMode(nextMode)
+    }
+
     private func appVersionBuild() -> (version: String, build: String) {
         let info = Bundle.main.infoDictionary ?? [:]
         let version = info["CFBundleShortVersionString"] as? String ?? "Unknown"
diff --git a/C1.source/Sources/Aligner/QuickSwitchRootView.swift b/C1.source/Sources/Aligner/QuickSwitchRootView.swift
index 40611ae..6675a87 100644
--- a/C1.source/Sources/Aligner/QuickSwitchRootView.swift
+++ b/C1.source/Sources/Aligner/QuickSwitchRootView.swift
@@ -24,9 +24,8 @@
     private lazy var closeConfirmationLayers = makeCloseConfirmationLayers()
     private let closeFeedbackLayer = CALayer()
     private let closeFeedbackTextLayer = CATextLayer()
-    private let settingsButtonLayer = CALayer()
-    private let settingsButtonIconLayer = CALayer()
-    private let settingsButtonFallbackTextLayer = CATextLayer()
+    private let viewModeToggleButtonLayer = CALayer()
+    private let viewModeToggleIconLayer = CALayer()
     private let appIconProvider: any AppIconProviderProtocol = WorkspaceAppIconProvider()
     private let skeletonThumbnailProvider = NativeSkeletonThumbnailProvider(size: NSSize(width: 160, height: 96))
     private var screenshotSourcesByWindowID: [UInt32: ScreenshotResolutionSource] = [:]
@@ -52,7 +51,7 @@
     private var closeConfirmationRequired = true
     private var closeFeedback: CloseFeedback?
     private var closeFeedbackHideTask: Task<Void, Never>?
-    private var isSettingsButtonHovered = false
+    private var isViewModeToggleButtonHovered = false
     private var hoverTarget: HoverTarget = .none
     private var hoverTargetSource: HoverTargetSource = .event
     private var hoveredSpaceLaneID: UInt64?
@@ -95,7 +94,7 @@
     var onCommitSelection: ((QuickSwitchSelection, QuickSwitchCommitSource) -> Void)?
     var onSpaceLaneClick: ((UInt64, Int) -> Void)?
     var onBackgroundClick: (() -> Bool)?
-    var onOpenSettings: (() -> Void)?
+    var onToggleWaterfallViewMode: (() -> Void)?
     var onRequestClose: ((QuickSwitchCloseRequest) -> Void)?
     var onCloseConfirmationDisabled: (() -> Void)?
 
@@ -485,12 +484,12 @@
     override func mouseMoved(with event: NSEvent) {
         guard debugHoveredAppGroupIndex == nil else { return }
 
-        let settingsHovered = settingsButtonContains(windowLocation: event.locationInWindow)
-        if isSettingsButtonHovered != settingsHovered {
-            isSettingsButtonHovered = settingsHovered
+        let toggleHovered = viewModeToggleButtonContains(windowLocation: event.locationInWindow)
+        if isViewModeToggleButtonHovered != toggleHovered {
+            isViewModeToggleButtonHovered = toggleHovered
             needsLayout = true
         }
-        if settingsHovered {
+        if toggleHovered {
             hoveredCloseTarget = nil
             setHoverTarget(.none)
             return
@@ -506,7 +505,7 @@
 
     override func mouseExited(with event: NSEvent) {
         guard debugHoveredAppGroupIndex == nil else { return }
-        isSettingsButtonHovered = false
+        isViewModeToggleButtonHovered = false
         hoveredCloseTarget = nil
         setHoverTarget(.none)
     }
@@ -525,8 +524,8 @@
             return
         }
 
-        if settingsButtonContains(windowLocation: event.locationInWindow) {
-            clickSettingsButton(source: "mouse")
+        if viewModeToggleButtonContains(windowLocation: event.locationInWindow) {
+            clickViewModeToggleButton(source: "mouse")
             return
         }
 
@@ -1081,9 +1080,14 @@
             "activeSpaceFocusID": activeSpaceFocusID ?? NSNull(),
             "spaceFilterLockedSpaceID": currentViewModel?.lockedSpaceID ?? NSNull(),
             "spaceFilterActive": currentViewModel?.lockedSpaceID != nil,
-            "settingsButtonVisible": !settingsButtonLayer.isHidden,
-            "settingsButtonHovered": isSettingsButtonHovered,
-            "settingsButtonFrame": dictionary(from: settingsButtonLayer.frame),
+            "viewModeToggleButtonVisible": !viewModeToggleButtonLayer.isHidden,
+            "viewModeToggleButtonHovered": isViewModeToggleButtonHovered,
+            "viewModeToggleButtonFrame": dictionary(from: viewModeToggleButtonLayer.frame),
+            "viewModeToggleCurrentMode": waterfallViewMode.rawValue,
+            "viewModeToggleTargetMode": nextWaterfallViewMode.rawValue,
+            "viewModeToggleIconKind": viewModeToggleIconKind,
+            "viewModeToggleAccessibilityLabel": viewModeToggleAccessibilityLabel,
+            "settingsButtonVisible": false,
             "spaceFocusAppGroupIndexes": spaceFocusedAppGroupIndexes(),
             "appHoverAssociatedSpaceIDs": appHoverAssociatedSpaceIDs.sorted(),
             "appHoverAssociatedSpaceLabels": appHoverAssociatedSpaceLabels,
@@ -1326,9 +1330,9 @@
         case "click-background":
             recordMouseCommand("click-background")
             _ = onBackgroundClick?()
-        case "click-settings":
-            recordMouseCommand("click-settings")
-            clickSettingsButton(source: "debug")
+        case "click-view-toggle", "click-settings":
+            recordMouseCommand("click-view-toggle")
+            clickViewModeToggleButton(source: "debug")
         case "hover-card" where parts.count == 3:
             guard let appGroupIndex = Int(parts[1]), let windowIndex = Int(parts[2]) else {
                 recordMouseCommand("invalid:\(command)")
@@ -2281,25 +2285,15 @@
         closeFeedbackLayer.addSublayer(closeFeedbackTextLayer)
         glassLayer.addSublayer(closeFeedbackLayer)
 
-        settingsButtonLayer.cornerRadius = 10
-        settingsButtonLayer.masksToBounds = false
-        settingsButtonLayer.borderWidth = 1
-        settingsButtonLayer.shadowColor = NSColor.black.cgColor
-        settingsButtonLayer.shadowOffset = CGSize(width: 0, height: -2)
-        settingsButtonLayer.zPosition = 170
-        settingsButtonIconLayer.contentsGravity = .resizeAspect
-        settingsButtonIconLayer.contentsScale = backingScaleFactor
-        settingsButtonIconLayer.contents = settingsIconImage()
-        settingsButtonFallbackTextLayer.contentsScale = backingScaleFactor
-        settingsButtonFallbackTextLayer.string = "⚙"
-        settingsButtonFallbackTextLayer.font = NSFont.systemFont(ofSize: 18, weight: .regular)
-        settingsButtonFallbackTextLayer.fontSize = 18
-        settingsButtonFallbackTextLayer.alignmentMode = .center
-        settingsButtonFallbackTextLayer.foregroundColor = NSColor.secondaryLabelColor.cgColor
-        settingsButtonFallbackTextLayer.isHidden = settingsButtonIconLayer.contents != nil
-        settingsButtonLayer.addSublayer(settingsButtonIconLayer)
-        settingsButtonLayer.addSublayer(settingsButtonFallbackTextLayer)
-        glassLayer.addSublayer(settingsButtonLayer)
+        viewModeToggleButtonLayer.cornerRadius = 10
+        viewModeToggleButtonLayer.masksToBounds = false
+        viewModeToggleButtonLayer.borderWidth = 1
+        viewModeToggleButtonLayer.shadowColor = NSColor.black.cgColor
+        viewModeToggleButtonLayer.shadowOffset = CGSize(width: 0, height: -2)
+        viewModeToggleButtonLayer.zPosition = 170
+        viewModeToggleIconLayer.contentsScale = backingScaleFactor
+        viewModeToggleButtonLayer.addSublayer(viewModeToggleIconLayer)
+        glassLayer.addSublayer(viewModeToggleButtonLayer)
     }
 
     private func rebuildAppShelfItems() {
@@ -2650,12 +2644,12 @@
         layoutWaterfallColumns()
         layoutCloseConfirmation()
         layoutCloseFeedback()
-        layoutSettingsButton()
+        layoutViewModeToggleButton()
 
         CATransaction.commit()
     }
 
-    private func layoutSettingsButton() {
+    private func layoutViewModeToggleButton() {
         let size: CGFloat = 34
         let topMargin = topSafeAreaInset + RootLayoutMetrics.topContentMargin
         let x = max(
@@ -2666,24 +2660,139 @@
             RootLayoutMetrics.bottomMargin,
             glassLayer.bounds.height - topMargin - size
         )
-        settingsButtonLayer.frame = CGRect(x: x, y: y, width: size, height: size)
-        settingsButtonLayer.backgroundColor = NSColor.windowBackgroundColor
-            .withAlphaComponent(isSettingsButtonHovered ? 0.78 : 0.54)
+        viewModeToggleButtonLayer.frame = CGRect(x: x, y: y, width: size, height: size)
+        viewModeToggleButtonLayer.backgroundColor = NSColor.windowBackgroundColor
+            .withAlphaComponent(isViewModeToggleButtonHovered ? 0.78 : 0.54)
             .cgColor
-        settingsButtonLayer.borderColor = NSColor.separatorColor
-            .withAlphaComponent(isSettingsButtonHovered ? 0.42 : 0.26)
+        viewModeToggleButtonLayer.borderColor = NSColor.separatorColor
+            .withAlphaComponent(isViewModeToggleButtonHovered ? 0.42 : 0.26)
             .cgColor
-        settingsButtonLayer.shadowOpacity = isSettingsButtonHovered ? 0.14 : 0.08
-        settingsButtonLayer.shadowRadius = isSettingsButtonHovered ? 9 : 6
-        settingsButtonIconLayer.contentsScale = backingScaleFactor
-        settingsButtonFallbackTextLayer.contentsScale = backingScaleFactor
-        let iconInset: CGFloat = 8
-        settingsButtonIconLayer.frame = settingsButtonLayer.bounds.insetBy(dx: iconInset, dy: iconInset)
-        settingsButtonFallbackTextLayer.frame = settingsButtonLayer.bounds.insetBy(dx: 0, dy: 6)
-        settingsButtonFallbackTextLayer.foregroundColor = (isSettingsButtonHovered
-            ? NSColor.labelColor
+        viewModeToggleButtonLayer.shadowOpacity = isViewModeToggleButtonHovered ? 0.14 : 0.08
+        viewModeToggleButtonLayer.shadowRadius = isViewModeToggleButtonHovered ? 9 : 6
+        viewModeToggleIconLayer.contentsScale = backingScaleFactor
+        let iconInset: CGFloat = 7
+        viewModeToggleIconLayer.frame = viewModeToggleButtonLayer.bounds.insetBy(dx: iconInset, dy: iconInset)
+        layoutViewModeToggleIcon()
+    }
+
+    private func layoutViewModeToggleIcon() {
+        CATransaction.begin()
+        CATransaction.setDisableActions(true)
+        viewModeToggleIconLayer.sublayers?.forEach { $0.removeFromSuperlayer() }
+
+        let bounds = viewModeToggleIconLayer.bounds
+        guard bounds.width > 0, bounds.height > 0 else {
+            CATransaction.commit()
+            return
+        }
+
+        let activeStroke = (isViewModeToggleButtonHovered
+            ? NSColor.controlAccentColor
             : NSColor.secondaryLabelColor
-        ).cgColor
+        ).withAlphaComponent(isViewModeToggleButtonHovered ? 0.88 : 0.82)
+        let quietStroke = (isViewModeToggleButtonHovered
+            ? NSColor.controlAccentColor
+            : NSColor.secondaryLabelColor
+        ).withAlphaComponent(isViewModeToggleButtonHovered ? 0.34 : 0.24)
+        let subtleFill = (isViewModeToggleButtonHovered
+            ? NSColor.controlAccentColor
+            : NSColor.labelColor
+        ).withAlphaComponent(isViewModeToggleButtonHovered ? 0.06 : 0.025)
+
+        addViewModeToggleRoundedRect(
+            bounds.insetBy(dx: 0.65, dy: 0.65),
+            cornerRadius: 4.8,
+            strokeColor: quietStroke,
+            fillColor: NSColor.clear,
+            lineWidth: 1.05
+        )
+
+        switch nextWaterfallViewMode {
+        case .verticalColumns:
+            addVerticalColumnsToggleGlyph(
+                in: bounds.insetBy(dx: 4.15, dy: 3.25),
+                strokeColor: activeStroke,
+                fillColor: subtleFill
+            )
+        case .horizontalMasonry:
+            addHorizontalMasonryToggleGlyph(
+                in: bounds.insetBy(dx: 3.95, dy: 3.95),
+                strokeColor: activeStroke,
+                fillColor: subtleFill
+            )
+        }
+
+        CATransaction.commit()
+    }
+
+    private func addVerticalColumnsToggleGlyph(
+        in rect: CGRect,
+        strokeColor: NSColor,
+        fillColor: NSColor
+    ) {
+        let columnWidth: CGFloat = 3.35
+        let gap = max(1.7, (rect.width - columnWidth * 3) / 2)
+        for index in 0..<3 {
+            let x = rect.minX + CGFloat(index) * (columnWidth + gap)
+            let columnRect = CGRect(x: x, y: rect.minY, width: columnWidth, height: rect.height)
+            addViewModeToggleRoundedRect(
+                columnRect,
+                cornerRadius: 1.6,
+                strokeColor: strokeColor,
+                fillColor: fillColor,
+                lineWidth: 1.22
+            )
+        }
+    }
+
+    private func addHorizontalMasonryToggleGlyph(
+        in rect: CGRect,
+        strokeColor: NSColor,
+        fillColor: NSColor
+    ) {
+        let cellSize: CGFloat = 3.65
+        let gapX = max(1.65, (rect.width - cellSize * 3) / 2)
+        let gapY = max(1.65, (rect.height - cellSize * 3) / 2)
+        for row in 0..<3 {
+            for column in 0..<3 {
+                let cellRect = CGRect(
+                    x: rect.minX + CGFloat(column) * (cellSize + gapX),
+                    y: rect.minY + CGFloat(row) * (cellSize + gapY),
+                    width: cellSize,
+                    height: cellSize
+                )
+                addViewModeToggleRoundedRect(
+                    cellRect,
+                    cornerRadius: 1.15,
+                    strokeColor: strokeColor,
+                    fillColor: fillColor,
+                    lineWidth: 1.18
+                )
+            }
+        }
+    }
+
+    private func addViewModeToggleRoundedRect(
+        _ rect: CGRect,
+        cornerRadius: CGFloat,
+        strokeColor: NSColor,
+        fillColor: NSColor,
+        lineWidth: CGFloat
+    ) {
+        let layer = CAShapeLayer()
+        layer.contentsScale = backingScaleFactor
+        layer.frame = viewModeToggleIconLayer.bounds
+        layer.path = CGPath(
+            roundedRect: rect,
+            cornerWidth: cornerRadius,
+            cornerHeight: cornerRadius,
+            transform: nil
+        )
+        layer.fillColor = fillColor.cgColor
+        layer.strokeColor = strokeColor.cgColor
+        layer.lineWidth = lineWidth
+        layer.lineJoin = .round
+        viewModeToggleIconLayer.addSublayer(layer)
     }
 
     private var topSafeAreaInset: CGFloat {
@@ -3035,24 +3144,26 @@
         spaceLaneSegments.first { $0.space.id == spaceID }
     }
 
-    private func settingsButtonContains(windowLocation: CGPoint) -> Bool {
+    private func viewModeToggleButtonContains(windowLocation: CGPoint) -> Bool {
         let locationInView = convert(windowLocation, from: nil)
         let locationInGlass = CGPoint(
             x: locationInView.x - glassLayer.frame.minX,
             y: locationInView.y - glassLayer.frame.minY
         )
-        return settingsButtonLayer.frame.contains(locationInGlass)
+        return viewModeToggleButtonLayer.frame.contains(locationInGlass)
     }
 
-    private func clickSettingsButton(source: String) {
-        DevelopmentDiagnostics.log("quickSwitch.view.clickSettings", [
-            "source": source
+    private func clickViewModeToggleButton(source: String) {
+        DevelopmentDiagnostics.log("quickSwitch.view.clickWaterfallViewModeToggle", [
+            "source": source,
+            "currentMode": waterfallViewMode.rawValue,
+            "targetMode": nextWaterfallViewMode.rawValue
         ])
-        lastMouseCommand = "click-settings"
-        if !mouseCommandsApplied.contains("click-settings") {
-            mouseCommandsApplied.append("click-settings")
+        lastMouseCommand = "click-view-toggle"
+        if !mouseCommandsApplied.contains("click-view-toggle") {
+            mouseCommandsApplied.append("click-view-toggle")
         }
-        onOpenSettings?()
+        onToggleWaterfallViewMode?()
     }
 
     private func appShelfItem(at windowLocation: CGPoint) -> AppShelfItemLayers? {
@@ -4448,6 +4559,28 @@
         waterfallViewMode == .horizontalMasonry
     }
 
+    private var nextWaterfallViewMode: QuickSwitchWaterfallViewMode {
+        isHorizontalMasonryMode ? .verticalColumns : .horizontalMasonry
+    }
+
+    private var viewModeToggleIconKind: String {
+        switch nextWaterfallViewMode {
+        case .verticalColumns:
+            return "verticalColumnsTarget"
+        case .horizontalMasonry:
+            return "horizontalMasonryTarget"
+        }
+    }
+
+    private var viewModeToggleAccessibilityLabel: String {
+        switch nextWaterfallViewMode {
+        case .verticalColumns:
+            return "切换到纵栏瀑布"
+        case .horizontalMasonry:
+            return "切换到横栏瀑布"
+        }
+    }
+
     private var waterfallMaxScrollOffset: CGFloat {
         guard !isHorizontalMasonryMode else { return 0 }
         return max(0, waterfallContentWidth - waterfallLayer.bounds.width)
@@ -4565,21 +4698,6 @@
         shapeLayer.lineCap = .round
         shapeLayer.lineJoin = .round
         return shapeLayer
-    }
-
-    private func settingsIconImage() -> CGImage? {
-        let names = [
-            NSImage.Name("NSPreferencesGeneral"),
-            NSImage.Name("NSAdvanced")
-        ]
-        for name in names {
-            guard let image = NSImage(named: name) else { continue }
-            var rect = CGRect(origin: .zero, size: image.size)
-            if let cgImage = image.cgImage(forProposedRect: &rect, context: nil, hints: nil) {
-                return cgImage
-            }
-        }
-        return nil
     }
 
     private func makeTextLayer(
diff --git a/C1.source/Sources/Aligner/QuickSwitchSessionController.swift b/C1.source/Sources/Aligner/QuickSwitchSessionController.swift
index 7fa4f39..daff31e 100644
--- a/C1.source/Sources/Aligner/QuickSwitchSessionController.swift
+++ b/C1.source/Sources/Aligner/QuickSwitchSessionController.swift
@@ -86,7 +86,7 @@
     private var lifecycleResidualOverlayWindows = 0
     private var lifecycleResidualVisibleOverlayWindows = 0
     var onSnapshotUpdated: (() -> Void)?
-    var onOpenSettings: (() -> Void)?
+    var onToggleWaterfallViewMode: (() -> Void)?
 
     private struct PendingCloseVerification {
         let request: QuickSwitchCloseRequest
@@ -213,8 +213,8 @@
         view.onBackgroundClick = { [weak self] in
             self?.handleBackgroundClick() ?? false
         }
-        view.onOpenSettings = { [weak self] in
-            self?.onOpenSettings?()
+        view.onToggleWaterfallViewMode = { [weak self] in
+            self?.onToggleWaterfallViewMode?()
         }
         view.setSuppressEventInput(!debugMouseSequence.isEmpty || !debugKeySequence.isEmpty)
         view.onRequestClose = { [weak self] request in
diff --git a/C3.tools/round1-view-mode-entry-qa.sh b/C3.tools/round1-view-mode-entry-qa.sh
index cb53ff4..1dfb68f 100755
--- a/C3.tools/round1-view-mode-entry-qa.sh
+++ b/C3.tools/round1-view-mode-entry-qa.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Round01.1 view-mode entry QA. It verifies that the installed-app path exposes
-# a discoverable status-menu entry for switching Quick Switch Waterfall view
-# modes and reports visible About version/build metadata.
+# menu entries plus the in-panel Quick Switch view-mode toggle for switching
+# Waterfall view modes, and reports visible About version/build metadata.
 
 set -euo pipefail
 
@@ -12,7 +12,8 @@
 APP="$BUILD_CURRENT_APP"
 REPORT_VERTICAL="$BUILD_REPORT_ROOT/round01-view-mode-entry-vertical-report.json"
 REPORT_HORIZONTAL="$BUILD_REPORT_ROOT/round01-view-mode-entry-horizontal-report.json"
-REPORT_SETTINGS="$BUILD_REPORT_ROOT/round01-view-mode-entry-settings-report.json"
+REPORT_TOGGLE_TO_HORIZONTAL="$BUILD_REPORT_ROOT/round01-view-mode-entry-toggle-to-horizontal-report.json"
+REPORT_TOGGLE_TO_VERTICAL="$BUILD_REPORT_ROOT/round01-view-mode-entry-toggle-to-vertical-report.json"
 DOMAIN="com.ar.Aligner"
 WATERFALL_MODE_KEY="com.ar.Aligner.preferences.quickSwitch.waterfallViewMode"
 REPORT_WAIT="${ALIGNER_ROUND1_VIEW_MODE_ENTRY_REPORT_WAIT:-6.0}"
@@ -135,6 +136,9 @@
 main_menu = report.get("mainMenu", {})
 settings_window = report.get("settingsWindow", {})
 root = report.get("rootView", {})
+expected_target_mode = "verticalColumns" if expected_mode == "horizontalMasonry" else "horizontalMasonry"
+expected_icon_kind = "verticalColumnsTarget" if expected_target_mode == "verticalColumns" else "horizontalMasonryTarget"
+expected_accessibility_label = "切换到纵栏瀑布" if expected_target_mode == "verticalColumns" else "切换到横栏瀑布"
 
 require(report.get("snapshotLoaded") is True, "snapshotLoaded must be true")
 require(report.get("quickSwitchVisible") is True, "Quick Switch must be visible during entry QA")
@@ -154,10 +158,15 @@
 require(main_menu.get("settingsKeyEquivalent") == ",", "Settings must use Cmd+, key equivalent")
 require(main_menu.get("hasQuickSwitchViewSubmenuInAppMenu") is True, "app menu must expose Quick Switch View submenu")
 require(main_menu.get("hasQuickSwitchViewSubmenuInViewMenu") is True, "View menu must expose Quick Switch View submenu")
-require(root.get("settingsButtonVisible") is True, "Quick Switch must expose a top-right Settings button")
-settings_frame = root.get("settingsButtonFrame", {})
-require(settings_frame.get("width", 0) >= 30 and settings_frame.get("height", 0) >= 30, "Settings button must have tappable size")
-require(settings_frame.get("x", 0) + settings_frame.get("width", 0) > root.get("bounds", {}).get("width", 0) * 0.90, "Settings button must sit near the top-right edge")
+require(root.get("settingsButtonVisible") is False, "Quick Switch must not expose the old top-right Settings button")
+require(root.get("viewModeToggleButtonVisible") is True, "Quick Switch must expose a top-right view-mode toggle button")
+toggle_frame = root.get("viewModeToggleButtonFrame", {})
+require(toggle_frame.get("width", 0) >= 30 and toggle_frame.get("height", 0) >= 30, "view-mode toggle button must have tappable size")
+require(toggle_frame.get("x", 0) + toggle_frame.get("width", 0) > root.get("bounds", {}).get("width", 0) * 0.90, "view-mode toggle button must sit near the top-right edge")
+require(root.get("viewModeToggleCurrentMode") == expected_mode, "view-mode toggle must report the current mode")
+require(root.get("viewModeToggleTargetMode") == expected_target_mode, "view-mode toggle must report the next target mode")
+require(root.get("viewModeToggleIconKind") == expected_icon_kind, "view-mode toggle icon kind must represent the target mode")
+require(root.get("viewModeToggleAccessibilityLabel") == expected_accessibility_label, "view-mode toggle label must name the target mode")
 require(settings_window.get("visible") is False, "Settings window should not be open in passive view-mode entry cases")
 require(report.get("aboutVersion") == app_version, "About version must match app Info.plist")
 require(report.get("aboutBuild") == app_build, "About build must match app Info.plist")
@@ -170,21 +179,25 @@
     "aboutBuild": report.get("aboutBuild"),
     "statusMenu": status_menu,
     "mainMenu": main_menu,
-    "settingsButtonFrame": settings_frame
+    "viewModeToggleButtonFrame": toggle_frame,
+    "viewModeToggleTargetMode": root.get("viewModeToggleTargetMode"),
+    "viewModeToggleIconKind": root.get("viewModeToggleIconKind")
 }, indent=2, ensure_ascii=False))
 PY
 }
 
-wait_for_settings_report() {
+wait_for_toggle_report() {
   local report="$1"
+  local expected_mode="$2"
 
-  /usr/bin/python3 - "$report" "$REPORT_WAIT" <<'PY'
+  /usr/bin/python3 - "$report" "$expected_mode" "$REPORT_WAIT" <<'PY'
 import json
 import sys
 import time
 
 path = sys.argv[1]
-timeout = float(sys.argv[2])
+expected_mode = sys.argv[2]
+timeout = float(sys.argv[3])
 deadline = time.monotonic() + timeout
 last_report = None
 
@@ -193,7 +206,14 @@
         with open(path, "r", encoding="utf-8") as file:
             report = json.load(file)
         last_report = report
-        if report.get("settingsWindow", {}).get("visible") is True:
+        root = report.get("rootView", {})
+        if (
+            report.get("snapshotLoaded") is True
+            and report.get("quickSwitchVisible") is True
+            and report.get("resolvedWaterfallViewMode") == expected_mode
+            and root.get("waterfallViewMode") == expected_mode
+            and root.get("lastMouseCommand") == "click-view-toggle"
+        ):
             sys.exit(0)
     except FileNotFoundError:
         pass
@@ -203,23 +223,31 @@
 
 if last_report is not None:
     print(json.dumps(last_report, indent=2, ensure_ascii=False), file=sys.stderr)
-print(f"settings report did not become visible within {timeout:.1f}s", file=sys.stderr)
+print(f"view-mode toggle report did not reach {expected_mode} within {timeout:.1f}s", file=sys.stderr)
 sys.exit(1)
 PY
 }
 
-assert_settings_report() {
+assert_toggle_report() {
   local report="$1"
-  local app_version="$2"
-  local app_build="$3"
+  local initial_mode="$2"
+  local expected_mode="$3"
+  local expected_vertical_state="$4"
+  local expected_horizontal_state="$5"
+  local app_version="$6"
+  local app_build="$7"
 
-  /usr/bin/python3 - "$report" "$app_version" "$app_build" <<'PY'
+  /usr/bin/python3 - "$report" "$initial_mode" "$expected_mode" "$expected_vertical_state" "$expected_horizontal_state" "$app_version" "$app_build" <<'PY'
 import json
 import sys
 
 path = sys.argv[1]
-app_version = sys.argv[2]
-app_build = sys.argv[3]
+initial_mode = sys.argv[2]
+expected_mode = sys.argv[3]
+expected_vertical_state = sys.argv[4]
+expected_horizontal_state = sys.argv[5]
+app_version = sys.argv[6]
+app_build = sys.argv[7]
 
 with open(path, "r", encoding="utf-8") as file:
     report = json.load(file)
@@ -231,30 +259,40 @@
         sys.exit(1)
 
 root = report.get("rootView", {})
+status_menu = report.get("statusMenu", {})
 main_menu = report.get("mainMenu", {})
 settings_window = report.get("settingsWindow", {})
+expected_icon_kind = "verticalColumnsTarget" if initial_mode == "verticalColumns" else "horizontalMasonryTarget"
+expected_label = "切换到纵栏瀑布" if initial_mode == "verticalColumns" else "切换到横栏瀑布"
 
-require(report.get("snapshotLoaded") is True, "settings case must load the snapshot before clicking the gear")
-require(report.get("quickSwitchVisible") is False, "clicking the Settings gear must close Quick Switch")
-require(root.get("lastMouseCommand") == "click-settings", "debug mouse sequence must click the Settings gear")
-require(root.get("settingsButtonVisible") is True, "Quick Switch root must report the Settings gear")
+require(report.get("snapshotLoaded") is True, "toggle case must load the snapshot before clicking the view-mode toggle")
+require(report.get("quickSwitchVisible") is True, "clicking the view-mode toggle must keep Quick Switch visible")
+require(report.get("preferenceWaterfallViewMode") == expected_mode, "preference Waterfall mode must switch after toggle")
+require(report.get("resolvedWaterfallViewMode") == expected_mode, "resolved Waterfall mode must switch after toggle")
+require(root.get("waterfallViewMode") == expected_mode, "root view Waterfall mode must switch after toggle")
+require(root.get("lastMouseCommand") == "click-view-toggle", "debug mouse sequence must click the view-mode toggle")
+require(root.get("settingsButtonVisible") is False, "old Settings button must stay hidden")
+require(root.get("viewModeToggleButtonVisible") is True, "Quick Switch root must report the view-mode toggle")
+require(root.get("viewModeToggleCurrentMode") == expected_mode, "toggle current mode must update after click")
+require(root.get("viewModeToggleTargetMode") == initial_mode, "toggle target mode must flip back to the initial mode after click")
+require(root.get("viewModeToggleIconKind") == expected_icon_kind, "toggle icon must represent the next target mode after click")
+require(root.get("viewModeToggleAccessibilityLabel") == expected_label, "toggle label must represent the next target mode after click")
+require(status_menu.get("verticalColumnsState") == expected_vertical_state, "Vertical Columns menu state must update after toggle")
+require(status_menu.get("horizontalWaterfallState") == expected_horizontal_state, "Horizontal Waterfall menu state must update after toggle")
 require(main_menu.get("hasSettingsItem") is True, "main menu must expose Settings")
 require(main_menu.get("settingsKeyEquivalent") == ",", "Settings must use Cmd+, key equivalent")
-require(settings_window.get("exists") is True, "Settings window controller must be created")
-require(settings_window.get("visible") is True, "Settings window must be visible after clicking gear")
-require(settings_window.get("selectedTabLabel") == "视图", "Settings must open on the View tab")
-require(settings_window.get("selectedTabIdentifier") == "view", "Settings View tab identifier must be stable")
-require(settings_window.get("hasViewTab") is True, "Settings window must expose View tab")
-require(settings_window.get("usesSwiftUI") is False, "Settings window must not use SwiftUI")
-require(settings_window.get("waterfallViewMode") == "verticalColumns", "Settings must read the current Waterfall view mode")
+require(settings_window.get("visible") is False, "view-mode toggle must not open Settings")
 require(report.get("aboutVersion") == app_version, "About version must match app Info.plist")
 require(report.get("aboutBuild") == app_build, "About build must match app Info.plist")
 
 print(json.dumps({
-    "case": "settings-entry",
+    "case": "view-mode-toggle",
+    "initialMode": initial_mode,
+    "expectedMode": expected_mode,
     "quickSwitchVisible": report.get("quickSwitchVisible"),
     "lastMouseCommand": root.get("lastMouseCommand"),
-    "settingsWindow": settings_window,
+    "viewModeToggleIconKind": root.get("viewModeToggleIconKind"),
+    "statusMenu": status_menu,
     "mainMenu": main_menu
 }, indent=2, ensure_ascii=False))
 PY
@@ -288,14 +326,18 @@
   stop_current_aligner
 }
 
-run_settings_case() {
-  local report="$1"
-  local app_version="$2"
-  local app_build="$3"
+run_toggle_case() {
+  local initial_mode="$1"
+  local expected_mode="$2"
+  local report="$3"
+  local vertical_state="$4"
+  local horizontal_state="$5"
+  local app_version="$6"
+  local app_build="$7"
 
   stop_current_aligner
   rm -f "$report"
-  /usr/bin/defaults write "$DOMAIN" "$WATERFALL_MODE_KEY" -string "verticalColumns"
+  /usr/bin/defaults write "$DOMAIN" "$WATERFALL_MODE_KEY" -string "$initial_mode"
 
   "$APP/Contents/MacOS/Aligner" \
     --round0-skip-permissions \
@@ -303,12 +345,12 @@
     --round01-fixture-app-count=4 \
     --round01-fixture-windows-per-app=2 \
     --round01-disable-screenshot-refresh \
-    --round01-debug-mouse-sequence="click-settings" \
+    --round01-debug-mouse-sequence="click-view-toggle" \
     --round01-quick-switch-report="$report" \
     --round01-quick-switch-quit-after=1.2 &
 
-  wait_for_settings_report "$report"
-  assert_settings_report "$report" "$app_version" "$app_build"
+  wait_for_toggle_report "$report" "$expected_mode"
+  assert_toggle_report "$report" "$initial_mode" "$expected_mode" "$vertical_state" "$horizontal_state" "$app_version" "$app_build"
   wait "$!" || true
   stop_current_aligner
 }
@@ -325,6 +367,7 @@
 
 run_case "verticalColumns" "$REPORT_VERTICAL" "on" "off" "$APP_VERSION" "$APP_BUILD"
 run_case "horizontalMasonry" "$REPORT_HORIZONTAL" "off" "on" "$APP_VERSION" "$APP_BUILD"
-run_settings_case "$REPORT_SETTINGS" "$APP_VERSION" "$APP_BUILD"
+run_toggle_case "verticalColumns" "horizontalMasonry" "$REPORT_TOGGLE_TO_HORIZONTAL" "off" "on" "$APP_VERSION" "$APP_BUILD"
+run_toggle_case "horizontalMasonry" "verticalColumns" "$REPORT_TOGGLE_TO_VERTICAL" "on" "off" "$APP_VERSION" "$APP_BUILD"
 
 echo "Round01.1 view-mode entry QA passed"

--
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