Add blurred quick switch backdrop

Ariver

2026-06-04 a465f1f6f733940df3d28550b2af45296ad644b8

 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()
    }

@@ -1176,13 +1184,32 @@
        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 +1225,13 @@
        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.controlBackgroundColor.withAlphaComponent(0.60).cgColor
        shelfLayer.cornerRadius = 16
        shelfLayer.masksToBounds = true
        glassLayer.addSublayer(shelfLayer)
@@ -1296,12 +1323,12 @@
            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,