桌面，本该如此清爽。

1import AppKit

2

3/// 边缘停靠：指针进入感应区即唤起便笺栏

4struct EdgeDock {

5 var edge: Edge = .right

6 var threshold: CGFloat = 14 // 指针距边缘 14pt 唤醒

7 var isExpanded = false

8 mutating func onPointer(_ p: CGPoint) {

9 guard p.distance(to: edge) <= threshold else { return }

10 withAnimation(.slip) { isExpanded = true }

11 }

12}

13

14let dock = EdgeDock(edge: .right)

15let palette = Palette.morandi // 8 色莫兰迪便签

16dock.observe { p in

17 if p.isNearEdge(dock.edge) { notes.reveal() }

18}

19

20// 悬停标签即浮出预览卡片，无需打开便笺

21dock.preview { note in note.peek() }