From 7a4f911c64b552081d957e826f32d90b2b11c858 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 04 Jun 2026 19:38:13 +0800
Subject: [PATCH] Make quick switch clicks activate targets

---
 C1.source/Sources/Aligner/QuickSwitchRootView.swift |   83 +++++++++++++++++++++++++++++++++++------
 1 files changed, 71 insertions(+), 12 deletions(-)

diff --git a/C1.source/Sources/Aligner/QuickSwitchRootView.swift b/C1.source/Sources/Aligner/QuickSwitchRootView.swift
index 41973d4..046f96a 100644
--- a/C1.source/Sources/Aligner/QuickSwitchRootView.swift
+++ b/C1.source/Sources/Aligner/QuickSwitchRootView.swift
@@ -9,6 +9,8 @@
 
 @MainActor
 final class QuickSwitchRootView: NSView {
+    private let backdropBlurView = NSVisualEffectView()
+    private let layerHostView = NSView()
     private let backgroundLayer = CAGradientLayer()
     private let safeAreaFillLayer = CALayer()
     private let glassLayer = CALayer()
@@ -152,12 +154,16 @@
 
     override init(frame frameRect: NSRect) {
         super.init(frame: frameRect)
+        setupBackdropBlurView()
+        setupLayerHostView()
         wantsLayer = true
         setupLayers()
     }
 
     required init?(coder: NSCoder) {
         super.init(coder: coder)
+        setupBackdropBlurView()
+        setupLayerHostView()
         wantsLayer = true
         setupLayers()
     }
@@ -185,6 +191,8 @@
 
     override func layout() {
         super.layout()
+        backdropBlurView.frame = bounds
+        layerHostView.frame = bounds
         layoutLayers()
     }
 
@@ -350,6 +358,9 @@
             mouseResponseLatencyMilliseconds.append(elapsed)
             if isHoverCommand(command) {
                 hoverResponseLatencyMilliseconds.append(elapsed)
+            }
+            if lastCommitSource == .mouse {
+                break
             }
         }
     }
@@ -715,7 +726,17 @@
             "spaceID": segment.space.id,
             "label": segment.space.label
         ])
-        focusSpace(segment.space.id, persistent: true)
+        lastSpaceLaneClickSpaceID = segment.space.id
+
+        guard let firstCard = firstWaterfallCard(inSpaceID: segment.space.id) else {
+            DevelopmentDiagnostics.log("quickSwitch.view.clickSpaceLane.emptySpaceUnsupported", [
+                "spaceID": segment.space.id,
+                "label": segment.space.label
+            ])
+            return
+        }
+
+        commitWindowCard(firstCard, trigger: "spaceLane")
     }
 
     private func focusSpace(_ spaceID: UInt64, persistent: Bool) {
@@ -766,12 +787,14 @@
             columnSelectionHistory[nextSelection.appGroupIndex] = nextSelection.windowIndex
             lastAppShelfClickChangedSelection = previousSelection != nextSelection
             ensureWaterfallSelectionVisible(nextSelection, horizontalIntent: .alignWithAppShelf(animated: true))
+            updateHoverState(appGroupIndex: appGroupIndex, windowID: nil, spaceID: nil)
+            commitWindowCard(firstCard, trigger: "appShelf")
         } else {
             lastAppShelfClickChangedSelection = false
             ensureWaterfallColumnVisible(column)
+            updateHoverState(appGroupIndex: appGroupIndex, windowID: nil, spaceID: nil)
+            needsLayout = true
         }
-        updateHoverState(appGroupIndex: appGroupIndex, windowID: nil, spaceID: nil)
-        needsLayout = true
     }
 
     private func scrollAppShelf(to targetOffset: CGFloat) {
@@ -813,12 +836,17 @@
 
     private func clickWindowCard(_ card: WaterfallCardLayers) {
         hoverWindowCard(card)
+        commitWindowCard(card, trigger: "windowCard")
+    }
+
+    private func commitWindowCard(_ card: WaterfallCardLayers, trigger: String) {
         let selection = QuickSwitchSelection(
             appGroupIndex: card.item.appGroupIndex,
             windowIndex: card.item.windowIndex,
             windowID: card.item.window.id
         )
-        DevelopmentDiagnostics.log("quickSwitch.view.clickWindowCard", [
+        DevelopmentDiagnostics.log("quickSwitch.view.commitMouseWindow", [
+            "trigger": trigger,
             "appGroupIndex": selection.appGroupIndex,
             "windowIndex": selection.windowIndex,
             "windowID": selection.windowID,
@@ -1176,13 +1204,32 @@
         value ?? NSNull()
     }
 
+    private func setupBackdropBlurView() {
+        backdropBlurView.material = .fullScreenUI
+        backdropBlurView.blendingMode = .behindWindow
+        backdropBlurView.state = .active
+        backdropBlurView.isEmphasized = false
+        backdropBlurView.frame = bounds
+        backdropBlurView.autoresizingMask = [.width, .height]
+        addSubview(backdropBlurView, positioned: .below, relativeTo: nil)
+    }
+
+    private func setupLayerHostView() {
+        layerHostView.wantsLayer = true
+        layerHostView.frame = bounds
+        layerHostView.autoresizingMask = [.width, .height]
+        layerHostView.layer?.masksToBounds = true
+        layerHostView.layer?.backgroundColor = NSColor.clear.cgColor
+        addSubview(layerHostView, positioned: .above, relativeTo: backdropBlurView)
+    }
+
     private func setupLayers() {
-        guard let rootLayer = layer else { return }
+        guard let rootLayer = layerHostView.layer else { return }
 
         rootLayer.masksToBounds = true
         backgroundLayer.colors = [
-            NSColor.windowBackgroundColor.withAlphaComponent(0.72).cgColor,
-            NSColor.controlBackgroundColor.withAlphaComponent(0.62).cgColor
+            NSColor.windowBackgroundColor.withAlphaComponent(0.58).cgColor,
+            NSColor.controlBackgroundColor.withAlphaComponent(0.48).cgColor
         ]
         backgroundLayer.startPoint = CGPoint(x: 0.5, y: 1.0)
         backgroundLayer.endPoint = CGPoint(x: 0.5, y: 0.0)
@@ -1198,13 +1245,13 @@
         glassLayer.shadowOpacity = 0
         rootLayer.addSublayer(glassLayer)
 
-        laneLayer.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.50).cgColor
+        laneLayer.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.68).cgColor
         laneLayer.cornerRadius = 16
         laneLayer.masksToBounds = true
         glassLayer.addSublayer(laneLayer)
         laneLayer.addSublayer(spaceLaneContentLayer)
 
-        shelfLayer.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.42).cgColor
+        shelfLayer.backgroundColor = NSColor.clear.cgColor
         shelfLayer.cornerRadius = 16
         shelfLayer.masksToBounds = true
         glassLayer.addSublayer(shelfLayer)
@@ -1296,12 +1343,12 @@
             container.name = column.app.name
             container.cornerRadius = 14
             container.masksToBounds = true
-            container.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.34).cgColor
-            container.borderColor = NSColor.separatorColor.withAlphaComponent(0.28).cgColor
+            container.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.56).cgColor
+            container.borderColor = NSColor.separatorColor.withAlphaComponent(0.34).cgColor
             container.borderWidth = 1
 
             let header = CALayer()
-            header.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.58).cgColor
+            header.backgroundColor = NSColor.controlBackgroundColor.withAlphaComponent(0.68).cgColor
 
             let appName = makeTextLayer(
                 string: column.app.name,
@@ -1907,6 +1954,18 @@
             .sorted()
     }
 
+    private func firstWaterfallCard(inSpaceID spaceID: UInt64) -> WaterfallCardLayers? {
+        for column in waterfallColumns.sorted(by: { $0.column.appGroupIndex < $1.column.appGroupIndex }) {
+            if let card = column.cards
+                .sorted(by: { $0.item.windowIndex < $1.item.windowIndex })
+                .first(where: { $0.item.primarySpaceID == spaceID }) {
+                return card
+            }
+        }
+
+        return nil
+    }
+
     private func spaceFocusWindowCount(for appGroupIndex: Int) -> Int {
         guard let activeSpaceFocusID else { return 0 }
 

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