From 1fcf6730652d509e78de4b80888772083f5b124a Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 18 Jun 2026 22:04:51 +0800
Subject: [PATCH] Refine Quick Switch app hover visuals

---
 C1.source/Sources/Aligner/QuickSwitchSessionController.swift |   53 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/C1.source/Sources/Aligner/QuickSwitchSessionController.swift b/C1.source/Sources/Aligner/QuickSwitchSessionController.swift
index 51ff663..18d84f0 100644
--- a/C1.source/Sources/Aligner/QuickSwitchSessionController.swift
+++ b/C1.source/Sources/Aligner/QuickSwitchSessionController.swift
@@ -19,7 +19,7 @@
     private let windowCloseService: any WindowCloseServiceProtocol
     private let systemCriticalWindowDetector: any SystemCriticalWindowDetecting
     private let disableScreenshotRefresh: Bool
-    private let waterfallViewMode: QuickSwitchWaterfallViewMode
+    private var waterfallViewMode: QuickSwitchWaterfallViewMode
     private var closeConfirmationRequired: Bool
     private let onCloseConfirmationDisabled: (() -> Void)?
     private let debugOverlayWidth: CGFloat?
@@ -86,6 +86,7 @@
     private var lifecycleResidualOverlayWindows = 0
     private var lifecycleResidualVisibleOverlayWindows = 0
     var onSnapshotUpdated: (() -> Void)?
+    var onToggleWaterfallViewMode: (() -> Void)?
 
     private struct PendingCloseVerification {
         let request: QuickSwitchCloseRequest
@@ -212,6 +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)
@@ -276,7 +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] {
@@ -823,12 +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,
@@ -1457,6 +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]
@@ -1485,6 +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),

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