From 6983a4ed2137bf1a8377e5d1cf82183e02e617f8 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Sat, 13 Jun 2026 14:08:17 +0800
Subject: [PATCH] Fix multi-page targeting and split view tile QA

---
 C1.source/Sources/Aligner/QuickSwitchRootView.swift |  190 +++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 175 insertions(+), 15 deletions(-)

diff --git a/C1.source/Sources/Aligner/QuickSwitchRootView.swift b/C1.source/Sources/Aligner/QuickSwitchRootView.swift
index d7f02fc..3d16422 100644
--- a/C1.source/Sources/Aligner/QuickSwitchRootView.swift
+++ b/C1.source/Sources/Aligner/QuickSwitchRootView.swift
@@ -226,6 +226,7 @@
         let labelLayer: CATextLayer
         let countLayer: CATextLayer
         let appLayer: CATextLayer
+        let splitAppLayers: [CATextLayer]
         let windowBlocks: [CALayer]
         let fullscreenMarkerLayer: CALayer?
     }
@@ -2540,6 +2541,15 @@
                     color: space.type == .fullscreen ? .labelColor : .secondaryLabelColor,
                     alignment: space.type == .fullscreen ? .center : .left
                 )
+                let splitAppLayers = splitViewAppNames(for: space).map { name in
+                    makeTextLayer(
+                        string: name,
+                        fontSize: 12,
+                        weight: .medium,
+                        color: .labelColor,
+                        alignment: .center
+                    )
+                }
                 let windowBlocks = space.type == .fullscreen
                     ? []
                     : makeWindowBlocks(count: min(space.windowCount, 5), space: space)
@@ -2550,6 +2560,9 @@
                 container.addSublayer(appLayer)
                 if let fullscreenMarkerLayer {
                     container.addSublayer(fullscreenMarkerLayer)
+                }
+                for splitAppLayer in splitAppLayers {
+                    container.addSublayer(splitAppLayer)
                 }
                 for block in windowBlocks {
                     container.addSublayer(block)
@@ -2562,6 +2575,7 @@
                     labelLayer: labelLayer,
                     countLayer: countLayer,
                     appLayer: appLayer,
+                    splitAppLayers: splitAppLayers,
                     windowBlocks: windowBlocks,
                     fullscreenMarkerLayer: fullscreenMarkerLayer
                 )
@@ -2848,10 +2862,10 @@
         let isActive = isHovered || isFocused || isLocked
         let isAssociated = (isAppAssociated || isWindowAssociated) && !isActive
 
-        segment.containerLayer.borderWidth = isLocked
-            ? 6
-            : (hasWindows || isCurrent || isActive || isAssociated) ? 1.5 : 1
-        segment.containerLayer.borderColor = (isActive
+        segment.containerLayer.borderWidth = (hasWindows || isCurrent || isActive || isAssociated) ? 1.5 : 1
+        segment.containerLayer.borderColor = (isLocked
+            ? NSColor.white.withAlphaComponent(0.86)
+            : isActive
             ? spaceLaneOccupiedColor.withAlphaComponent(isLocked ? 0.92 : 0.62)
             : isAssociated
                 ? spaceLaneOccupiedColor.withAlphaComponent(0.50)
@@ -2861,7 +2875,12 @@
                     ? NSColor.labelColor.withAlphaComponent(0.34)
                 : NSColor.separatorColor.withAlphaComponent(0.34)
         ).cgColor
-        if !hasWindows {
+        if isLocked {
+            applySpaceLaneSolidFill(
+                to: segment.containerLayer,
+                color: spaceLaneLockedFillColor
+            )
+        } else if !hasWindows {
             applySpaceLaneSolidFill(to: segment.containerLayer, color: .clear)
         } else if isActive {
             applySpaceLaneSolidFill(
@@ -2896,7 +2915,7 @@
         segment.containerLayer.transform = (isActive || isAssociated)
             ? CATransform3DMakeScale(isActive ? 1.03 : 1.015, isActive ? 1.03 : 1.015, 1)
             : CATransform3DIdentity
-        segment.containerLayer.shadowPath = hasWindows
+        segment.containerLayer.shadowPath = (hasWindows || isLocked)
             ? CGPath(
                 roundedRect: segment.containerLayer.bounds,
                 cornerWidth: segment.containerLayer.cornerRadius,
@@ -2904,6 +2923,37 @@
                 transform: nil
             )
             : nil
+
+        applySpaceLaneContentVisualState(segment, isLocked: isLocked)
+    }
+
+    private func applySpaceLaneContentVisualState(_ segment: SpaceLaneSegmentLayers, isLocked: Bool) {
+        let primaryTextColor: NSColor = isLocked ? .white : .labelColor
+        let secondaryTextColor: NSColor = isLocked
+            ? .white
+            : .secondaryLabelColor
+
+        segment.labelLayer.foregroundColor = primaryTextColor.cgColor
+        segment.countLayer.foregroundColor = (isLocked ? NSColor.white : .secondaryLabelColor).cgColor
+        segment.appLayer.foregroundColor = (segment.space.type == .fullscreen
+            ? primaryTextColor
+            : secondaryTextColor
+        ).cgColor
+        for splitAppLayer in segment.splitAppLayers {
+            splitAppLayer.foregroundColor = primaryTextColor.cgColor
+        }
+
+        for block in segment.windowBlocks {
+            block.backgroundColor = (isLocked
+                ? NSColor.white
+                : spaceLaneOccupiedColor.withAlphaComponent(segment.space.isCurrent ? 0.72 : 0.58)
+            ).cgColor
+        }
+
+        (segment.fullscreenMarkerLayer as? CAShapeLayer)?.strokeColor = (isLocked
+            ? NSColor.white
+            : NSColor.secondaryLabelColor.withAlphaComponent(segment.space.isCurrent ? 0.42 : 0.28)
+        ).cgColor
     }
 
     private func shouldScrollSpaceLane(for event: NSEvent) -> Bool {
@@ -3037,21 +3087,52 @@
 
     private func layoutSpaceLaneSegmentContents(_ segment: SpaceLaneSegmentLayers) {
         let bounds = segment.containerLayer.bounds
+        let splitAppNames = splitViewAppNames(for: segment.space)
+        let isSplitView = splitAppNames.count >= 2
         segment.labelLayer.frame = CGRect(x: 10, y: bounds.height - 29, width: max(1, bounds.width - 48), height: 20)
         segment.countLayer.frame = CGRect(x: bounds.width - 34, y: bounds.height - 29, width: 24, height: 20)
+        segment.countLayer.string = isSplitView ? "" : "\(segment.space.windowCount)"
+        segment.countLayer.isHidden = isSplitView
         if segment.space.type == .fullscreen {
             let markerFrame = fullscreenMarkerFrame(in: bounds)
-            segment.appLayer.frame = CGRect(
-                x: 8,
-                y: markerFrame.midY - 8.5,
-                width: max(1, bounds.width - 16),
-                height: 17
-            )
+            segment.appLayer.isHidden = isSplitView
+            if isSplitView {
+                let labelY = markerFrame.midY - 8.5
+                let halfWidth = markerFrame.width / 2
+                for (index, splitAppLayer) in segment.splitAppLayers.enumerated() {
+                    let x = markerFrame.minX + CGFloat(index) * halfWidth
+                    splitAppLayer.isHidden = false
+                    splitAppLayer.frame = CGRect(
+                        x: x + 4,
+                        y: labelY,
+                        width: max(1, halfWidth - 8),
+                        height: 17
+                    )
+                }
+            } else {
+                segment.appLayer.frame = CGRect(
+                    x: 8,
+                    y: markerFrame.midY - 8.5,
+                    width: max(1, bounds.width - 16),
+                    height: 17
+                )
+                for splitAppLayer in segment.splitAppLayers {
+                    splitAppLayer.isHidden = true
+                }
+            }
         } else {
+            segment.appLayer.isHidden = false
             segment.appLayer.frame = CGRect(x: 10, y: 9, width: max(1, bounds.width - 20), height: 17)
+            for splitAppLayer in segment.splitAppLayers {
+                splitAppLayer.isHidden = true
+            }
         }
         if let fullscreenMarkerLayer = segment.fullscreenMarkerLayer {
-            layoutFullscreenMarkerLayer(fullscreenMarkerLayer, in: bounds)
+            layoutFullscreenMarkerLayer(
+                fullscreenMarkerLayer,
+                in: bounds,
+                isSplitView: isSplitView
+            )
         }
 
         let blockGap: CGFloat = 5
@@ -4395,6 +4476,14 @@
         return NSColor(calibratedRed: 0, green: 122 / 255, blue: 1, alpha: 1)
     }
 
+    private var spaceLaneLockedFillColor: NSColor {
+        if effectiveAppearance.bestMatch(from: [.darkAqua, .aqua]) == .darkAqua {
+            return NSColor(calibratedRed: 58 / 255, green: 148 / 255, blue: 1, alpha: 0.86)
+        }
+
+        return NSColor(calibratedRed: 90 / 255, green: 171 / 255, blue: 1, alpha: 0.82)
+    }
+
     private func spaceLaneIdleOccupiedGradientColors() -> [NSColor] {
         if effectiveAppearance.bestMatch(from: [.darkAqua, .aqua]) == .darkAqua {
             let blue = NSColor(calibratedRed: 36 / 255, green: 54 / 255, blue: 72 / 255, alpha: 1)
@@ -4630,13 +4719,38 @@
         return identifiers.joined(separator: " ")
     }
 
-    private func layoutFullscreenMarkerLayer(_ layer: CALayer, in segmentBounds: CGRect) {
+    private func splitViewAppNames(for space: QuickSwitchSpaceViewModel) -> [String] {
+        guard space.type == .fullscreen else { return [] }
+
+        let names = space.splitViewAppNames
+            .prefix(2)
+            .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
+            .filter { !$0.isEmpty }
+
+        guard names.count >= 2 else { return [] }
+        return names
+    }
+
+    private func layoutFullscreenMarkerLayer(
+        _ layer: CALayer,
+        in segmentBounds: CGRect,
+        isSplitView: Bool = false
+    ) {
         let markerFrame = fullscreenMarkerFrame(in: segmentBounds)
         layer.frame = markerFrame
 
         guard let shapeLayer = layer as? CAShapeLayer else { return }
 
         let bounds = shapeLayer.bounds
+        if isSplitView {
+            let path = CGMutablePath()
+            path.move(to: CGPoint(x: bounds.midX, y: bounds.minY))
+            path.addLine(to: CGPoint(x: bounds.midX, y: bounds.maxY))
+            shapeLayer.path = path
+            shapeLayer.lineCap = .butt
+            return
+        }
+
         let cornerLength = min(12, max(7, min(bounds.width, bounds.height) * 0.28))
         let path = CGMutablePath()
 
@@ -4657,6 +4771,7 @@
         path.addLine(to: CGPoint(x: 0, y: bounds.maxY - cornerLength))
 
         shapeLayer.path = path
+        shapeLayer.lineCap = .round
     }
 
     private func fullscreenMarkerFrame(in segmentBounds: CGRect) -> CGRect {
@@ -5045,6 +5160,8 @@
                 let fullscreenMarkerCenterRatio = fullscreenMarkerFrame.map {
                     Double($0.midY / max(1, segment.containerLayer.bounds.height))
                 }
+                let splitAppNames = splitViewAppNames(for: space)
+                let splitAppLabelFrames = segment.splitAppLayers.map { dictionary(from: $0.frame) }
                 return [
                     "displayUUID": display.displayUUID,
                     "displayLabel": display.displayLabel,
@@ -5053,12 +5170,32 @@
                     "type": spaceTypeName(space.type),
                     "visualStates": visualStates(for: space),
                     "fullscreenMarkerVisible": segment.fullscreenMarkerLayer != nil,
-                    "fullscreenMarkerKind": segment.fullscreenMarkerLayer == nil ? "none" : "cornerBracket",
+                    "fullscreenMarkerKind": fullscreenMarkerKind(
+                        markerLayer: segment.fullscreenMarkerLayer,
+                        splitAppNames: splitAppNames
+                    ),
+                    "fullscreenMarkerPathStyle": fullscreenMarkerPathStyle(
+                        markerLayer: segment.fullscreenMarkerLayer,
+                        splitAppNames: splitAppNames
+                    ),
                     "fullscreenMarkerFrame": fullscreenMarkerFrame.map { dictionary(from: $0) } ?? NSNull(),
                     "fullscreenMarkerCenterRatio": fullscreenMarkerCenterRatio ?? NSNull(),
+                    "splitViewAppNames": splitAppNames,
+                    "splitViewLabelFrames": splitAppLabelFrames,
+                    "splitViewLabelColors": segment.splitAppLayers.map {
+                        colorDictionary(from: $0.foregroundColor)
+                    },
                     "windowBlockCount": segment.windowBlocks.count,
                     "windowBlockColors": segment.windowBlocks.map { colorDictionary(from: $0.backgroundColor) },
                     "windowBlockFrames": segment.windowBlocks.map { dictionary(from: $0.frame) },
+                    "labelColor": colorDictionary(from: segment.labelLayer.foregroundColor),
+                    "countText": string(from: segment.countLayer.string),
+                    "countVisible": !segment.countLayer.isHidden && segment.countLayer.opacity > 0,
+                    "countColor": colorDictionary(from: segment.countLayer.foregroundColor),
+                    "appColor": colorDictionary(from: segment.appLayer.foregroundColor),
+                    "fullscreenMarkerStrokeColor": colorDictionary(
+                        from: (segment.fullscreenMarkerLayer as? CAShapeLayer)?.strokeColor
+                    ),
                     "backgroundKind": spaceLaneFillKind(for: segment.containerLayer),
                     "backgroundColor": colorDictionary(from: segment.containerLayer.backgroundColor),
                     "gradientColors": gradientColorDictionaries(from: segment.containerLayer),
@@ -5093,6 +5230,16 @@
         }
     }
 
+    private func fullscreenMarkerKind(markerLayer: CALayer?, splitAppNames: [String]) -> String {
+        guard markerLayer != nil else { return "none" }
+        return splitAppNames.count >= 2 ? "splitViewPair" : "cornerBracket"
+    }
+
+    private func fullscreenMarkerPathStyle(markerLayer: CALayer?, splitAppNames: [String]) -> String {
+        guard markerLayer != nil else { return "none" }
+        return splitAppNames.count >= 2 ? "centerDividerOnly" : "cornerBracket"
+    }
+
     private func visualStates(for space: QuickSwitchSpaceViewModel) -> [String] {
         var states: [String] = []
         if space.isCurrent {
@@ -5115,6 +5262,9 @@
         }
         if space.type == .fullscreen {
             states.append("fullscreen")
+        }
+        if splitViewAppNames(for: space).count >= 2 {
+            states.append("splitView")
         }
         return states
     }
@@ -5141,6 +5291,16 @@
         ]
     }
 
+    private func string(from textLayerValue: Any?) -> String {
+        if let string = textLayerValue as? String {
+            return string
+        }
+        if let attributedString = textLayerValue as? NSAttributedString {
+            return attributedString.string
+        }
+        return ""
+    }
+
     private func colorDictionary(from color: CGColor?) -> [String: Double] {
         guard let color,
               let nsColor = NSColor(cgColor: color)?.usingColorSpace(.deviceRGB)

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