feat: snap launcher to stippled edge alignment guides

2026-10-12 12:25:18 +02:00
parent 97420f51e1
commit dc7cf07204
4 changed files with 101 additions and 12 deletions
@@ -0,0 +1,20 @@
+import Foundation
+
+public struct LauncherAlignment: Sendable {
+    public let targetFrame: CGRect
+    public let snappedOrigin: CGPoint
+
+    public init(windowFrame: CGRect, visibleFrame: CGRect) {
+        // Whole-point origins keep the guides aligned with AppKit's window positioning.
+        targetFrame = CGRect(
+            x: (visibleFrame.midX - windowFrame.width / 2).rounded(.down),
+            y: (visibleFrame.midY - windowFrame.height / 2).rounded(.down),
+            width: windowFrame.width,
+            height: windowFrame.height
+        )
+        snappedOrigin = CGPoint(
+            x: abs(windowFrame.minX - targetFrame.minX) <= 12 ? targetFrame.minX : windowFrame.minX,
+            y: abs(windowFrame.maxY - targetFrame.maxY) <= 12 ? targetFrame.minY : windowFrame.minY
+        )
+    }
+}