Fix horizontal App hover linkage

Ariver

2026-06-14 d5cf4d94edbe72d53fb417bf32105c2258bce924

 C1.source/Sources/Aligner/QuickSwitchRootView.swift

@@ -3340,6 +3340,14 @@
        )
    }

    private var appIconHoverLinkedAppGroupIndex: Int? {
        if let debugHoveredAppGroupIndex {
            return debugHoveredAppGroupIndex
        }
        guard case .app(let appGroupIndex) = hoverTarget else { return nil }
        return appGroupIndex
    }

    private var appHoverAssociatedSpaceLabels: [String] {
        guard !appHoverAssociatedSpaceIDs.isEmpty else { return [] }
        return currentViewModel?.displays
@@ -3767,10 +3775,13 @@
        let bounds = card.containerLayer.bounds
        let isSelected = card.item.window.id == effectiveSelection?.windowID
        let isHovered = card.item.window.id == hoveredWindowID
        let isAppLinked = isHorizontalMasonryMode
            && card.item.appGroupIndex == appIconHoverLinkedAppGroupIndex
        applyWaterfallCardVisualState(
            card,
            selected: shouldShowSelectedVisual(isSelected: isSelected, isHovered: isHovered),
            hovered: isHovered
            hovered: isHovered,
            appLinked: isAppLinked
        )

        let outerInset: CGFloat = 0
@@ -3833,12 +3844,19 @@
        )
    }

    private func applyWaterfallCardVisualState(_ card: WaterfallCardLayers, selected: Bool, hovered: Bool) {
    private func applyWaterfallCardVisualState(
        _ card: WaterfallCardLayers,
        selected: Bool,
        hovered: Bool,
        appLinked: Bool
    ) {
        let isSpaceFocused = isWaterfallCardSpaceFocused(card)
        card.containerLayer.backgroundColor = (selected
            ? NSColor.windowBackgroundColor.withAlphaComponent(0.94)
            : hovered
                ? accentTintedWindowBackground(fraction: 0.09, alpha: 0.95)
                : appLinked
                    ? accentTintedWindowBackground(fraction: 0.08, alpha: 0.93)
                : isSpaceFocused
                    ? accentTintedWindowBackground(fraction: 0.10, alpha: 0.94)
                : NSColor.windowBackgroundColor.withAlphaComponent(0.82)
@@ -3847,27 +3865,31 @@
            ? NSColor.controlAccentColor.withAlphaComponent(0.52)
            : hovered
                ? NSColor.controlAccentColor.withAlphaComponent(0.44)
                : appLinked
                    ? NSColor.controlAccentColor.withAlphaComponent(0.38)
                : isSpaceFocused
                    ? NSColor.controlAccentColor.withAlphaComponent(0.42)
                : NSColor.separatorColor.withAlphaComponent(0.28)
        ).cgColor
        card.containerLayer.borderWidth = (selected || hovered || isSpaceFocused) ? 1.5 : 1
        card.containerLayer.borderWidth = (selected || hovered || appLinked || isSpaceFocused) ? 1.5 : 1
        card.containerLayer.shadowColor = NSColor.black.cgColor
        card.containerLayer.shadowOpacity = selected ? 0.24 : hovered ? 0.14 : isSpaceFocused ? 0.20 : 0
        card.containerLayer.shadowRadius = selected ? 22 : hovered ? 17 : isSpaceFocused ? 24 : 0
        card.containerLayer.shadowOpacity = selected ? 0.24 : hovered ? 0.14 : appLinked ? 0.16 : isSpaceFocused ? 0.20 : 0
        card.containerLayer.shadowRadius = selected ? 22 : hovered ? 17 : appLinked ? 18 : isSpaceFocused ? 24 : 0
        card.containerLayer.shadowOffset = selected
            ? CGSize(width: 0, height: -6)
            : hovered
                ? CGSize(width: 0, height: -2.5)
                : appLinked
                    ? CGSize(width: 0, height: -3)
                : isSpaceFocused
                    ? CGSize(width: 0, height: -5)
                    : .zero
        card.containerLayer.zPosition = selected ? 20 : hovered ? 10 : isSpaceFocused ? 8 : 0
        card.containerLayer.zPosition = selected ? 20 : hovered ? 12 : appLinked ? 10 : isSpaceFocused ? 8 : 0
        let focusedScale: CGFloat = selected ? 1.015 : isSpaceFocused ? 1.012 : 1.008
        card.containerLayer.transform = (selected || hovered || isSpaceFocused)
            ? CATransform3DMakeScale(focusedScale, focusedScale, 1)
            : CATransform3DIdentity
        card.containerLayer.shadowPath = (selected || hovered || isSpaceFocused)
        card.containerLayer.shadowPath = (selected || hovered || appLinked || isSpaceFocused)
            ? CGPath(
                roundedRect: card.containerLayer.bounds,
                cornerWidth: card.containerLayer.cornerRadius,
@@ -3875,7 +3897,9 @@
                transform: nil
            )
            : nil
        card.titleBarLayer.backgroundColor = NSColor.clear.cgColor
        card.titleBarLayer.backgroundColor = appLinked
            ? spaceLaneOccupiedColor.withAlphaComponent(0.18).cgColor
            : NSColor.clear.cgColor
        card.titleBarLayer.borderColor = NSColor.clear.cgColor
        card.titleBarLayer.borderWidth = 0
        card.shineLayer.opacity = selected ? 1 : 0
@@ -5002,6 +5026,7 @@
                "shadowRadius": Double(card.containerLayer.shadowRadius),
                "thumbnailFrame": dictionary(from: card.thumbnailLayer.frame),
                "titleBarFrame": dictionary(from: card.titleBarLayer.frame),
                "titleBarBackgroundColor": colorDictionary(from: card.titleBarLayer.backgroundColor),
                "titleBarBorderWidth": Double(card.titleBarLayer.borderWidth),
                "titleFrame": dictionary(from: card.titleLayer.frame),
                "metaFrame": dictionary(from: card.metaLayer.frame),
@@ -5109,6 +5134,8 @@
        var states: [String] = []
        let isSelected = card.item.window.id == effectiveSelection?.windowID
        let isHovered = card.item.window.id == hoveredWindowID
        let isAppLinked = isHorizontalMasonryMode
            && card.item.appGroupIndex == appIconHoverLinkedAppGroupIndex
        if shouldShowSelectedVisual(isSelected: isSelected, isHovered: isHovered) {
            states.append("selected")
        } else if isSelected {
@@ -5117,6 +5144,9 @@
        if isHovered {
            states.append("hover")
        }
        if isAppLinked {
            states.append("appLinked")
        }
        if isWaterfallCardSpaceFocused(card) {
            states.append("spaceFocused")
        }