Add horizontal waterfall arrow focus

Ariver

2026-06-19 b1368b6a51379714958af82cb1e3dc24183b0583

 C1.source/Sources/Aligner/QuickSwitchSessionController.swift

@@ -19,6 +19,7 @@
    private let windowCloseService: any WindowCloseServiceProtocol
    private let systemCriticalWindowDetector: any SystemCriticalWindowDetecting
    private let disableScreenshotRefresh: Bool
    private var waterfallViewMode: QuickSwitchWaterfallViewMode
    private var closeConfirmationRequired: Bool
    private let onCloseConfirmationDisabled: (() -> Void)?
    private let debugOverlayWidth: CGFloat?
@@ -85,6 +86,7 @@
    private var lifecycleResidualOverlayWindows = 0
    private var lifecycleResidualVisibleOverlayWindows = 0
    var onSnapshotUpdated: (() -> Void)?
    var onToggleWaterfallViewMode: (() -> Void)?

    private struct PendingCloseVerification {
        let request: QuickSwitchCloseRequest
@@ -120,6 +122,7 @@
        ),
        systemCriticalWindowDetector: any SystemCriticalWindowDetecting = CGWindowSystemCriticalWindowDetector(),
        disableScreenshotRefresh: Bool = false,
        waterfallViewMode: QuickSwitchWaterfallViewMode = .verticalColumns,
        closeConfirmationRequired: Bool = true,
        onCloseConfirmationDisabled: (() -> Void)? = nil,
        debugHoveredAppGroupIndex: Int? = nil,
@@ -135,6 +138,7 @@
        self.windowCloseService = windowCloseService
        self.systemCriticalWindowDetector = systemCriticalWindowDetector
        self.disableScreenshotRefresh = disableScreenshotRefresh
        self.waterfallViewMode = waterfallViewMode
        self.closeConfirmationRequired = closeConfirmationRequired
        self.onCloseConfirmationDisabled = onCloseConfirmationDisabled
        self.debugOverlayWidth = debugOverlayWidth
@@ -209,6 +213,9 @@
        view.onBackgroundClick = { [weak self] in
            self?.handleBackgroundClick() ?? false
        }
        view.onToggleWaterfallViewMode = { [weak self] in
            self?.onToggleWaterfallViewMode?()
        }
        view.setSuppressEventInput(!debugMouseSequence.isEmpty || !debugKeySequence.isEmpty)
        view.onRequestClose = { [weak self] request in
            self?.requestClose(request)
@@ -219,6 +226,7 @@
            self.onCloseConfirmationDisabled?()
        }
        view.setCloseConfirmationRequired(closeConfirmationRequired)
        view.setWaterfallViewMode(waterfallViewMode)
        view.apply(viewModel: nil)
        view.beginPerformanceFirstFrameMeasurement()
        coordinator.openQuickSwitch()
@@ -272,7 +280,44 @@

    func retriggerFromShortcut() {
        DevelopmentDiagnostics.log("quickSwitch.session.retriggerFromShortcut")
        show()
        guard isVisible else {
            show()
            return
        }

        guard currentViewModel != nil else {
            DevelopmentDiagnostics.log("quickSwitch.session.retriggerFromShortcut.noSnapshot", [
                "action": "fallbackShow"
            ])
            show()
            return
        }

        let didCycle = view.hoverNextAppGroupIndex()
        DevelopmentDiagnostics.log("quickSwitch.session.retriggerFromShortcut.hoverApp", [
            "didCycle": didCycle
        ])

        if !didCycle {
            show()
        }
    }

    func setWaterfallViewMode(_ mode: QuickSwitchWaterfallViewMode) {
        guard waterfallViewMode != mode else { return }

        waterfallViewMode = mode
        DevelopmentDiagnostics.log("quickSwitch.session.waterfallViewModeChanged", [
            "mode": mode.rawValue,
            "visible": isVisible,
            "hasViewModel": currentViewModel != nil
        ])

        view.setWaterfallViewMode(mode)
        if isVisible, let currentViewModel {
            view.applyProjected(viewModel: currentViewModel)
        }
        onSnapshotUpdated?()
    }

    func reportDictionary() -> [String: Any] {
@@ -819,12 +864,12 @@
                "result": Self.closeResultString(result)
            ])
            if result == .requested {
                suppressCloseTarget(request)
                DevelopmentDiagnostics.log("quickSwitch.close.request.refreshAfterClose", [
                    "targetKind": request.kindDescription,
                    "appGroupIndex": request.appGroupIndex,
                    "appName": request.appName,
                    "windowID": request.windowID
                    "windowID": request.windowID,
                    "optimisticRemove": false
                ])
                pendingCloseVerification = PendingCloseVerification(
                    request: request,
@@ -1453,6 +1498,8 @@
    let fixtureCandidateFiltering: Bool
    let fixtureActivation: Bool
    let fixtureSpaceFilter: Bool
    let fixtureSplitView: Bool
    let fixtureMultiPageIdentity: Bool
    let debugHoveredAppGroupIndex: Int?
    let debugOverlayWidth: CGFloat?
    let debugKeySequence: [String]
@@ -1461,6 +1508,7 @@
    let debugWindowActivation: Bool
    let debugWindowClose: Bool
    let disableScreenshotRefresh: Bool
    let waterfallViewMode: QuickSwitchWaterfallViewMode?
    let lifecycleCycles: Int?
    let lifecycleInterval: TimeInterval
    let lifecycleVisibleDuration: TimeInterval
@@ -1480,6 +1528,8 @@
            fixtureCandidateFiltering: arguments.contains("--round01-fixture-candidate-filtering"),
            fixtureActivation: arguments.contains("--round01-fixture-window-activation"),
            fixtureSpaceFilter: arguments.contains("--round01-fixture-space-filter"),
            fixtureSplitView: arguments.contains("--round01-fixture-split-view"),
            fixtureMultiPageIdentity: arguments.contains("--round01-fixture-multi-page-identity"),
            debugHoveredAppGroupIndex: intValue(for: "--round01-debug-hover-app-index", in: arguments),
            debugOverlayWidth: cgFloatValue(for: "--round01-debug-overlay-width", in: arguments),
            debugKeySequence: stringListValue(for: "--round01-debug-key-sequence", in: arguments),
@@ -1488,6 +1538,7 @@
            debugWindowActivation: arguments.contains("--round01-debug-window-activation"),
            debugWindowClose: arguments.contains("--round01-debug-window-close"),
            disableScreenshotRefresh: arguments.contains("--round01-disable-screenshot-refresh"),
            waterfallViewMode: waterfallViewModeValue(for: "--round01-waterfall-view-mode", in: arguments),
            lifecycleCycles: intValue(for: "--round01-quick-switch-lifecycle-cycles", in: arguments),
            lifecycleInterval: timeInterval(for: "--round01-quick-switch-lifecycle-interval", in: arguments) ?? 0.02,
            lifecycleVisibleDuration: timeInterval(for: "--round01-quick-switch-lifecycle-visible-duration", in: arguments) ?? 0.16
@@ -1512,6 +1563,22 @@
        return String(argument.dropFirst(prefix.count))
    }

    private static func waterfallViewModeValue(
        for key: String,
        in arguments: [String]
    ) -> QuickSwitchWaterfallViewMode? {
        guard let value = stringValue(for: key, in: arguments) else { return nil }

        switch value {
        case "vertical", "vertical-columns", "verticalColumns":
            return .verticalColumns
        case "horizontal", "horizontal-masonry", "horizontalMasonry":
            return .horizontalMasonry
        default:
            return nil
        }
    }

    private static func intValue(for key: String, in arguments: [String]) -> Int? {
        stringValue(for: key, in: arguments).flatMap(Int.init)
    }