macos: fix bugs

macos/Sources/Features/Terminal/BaseTerminalController.swift

@@ -734,7 +734,9 @@ class BaseTerminalController: NSWindowController,
         // it is already a single split.
         guard surfaceTree.isSplit else { return }
         
-        // If we are removing our focused surface then we move it.
+        // If we are removing our focused surface then we move it. We need to
+        // keep track of our old one so undo sends focus back to the right place.
+        let oldFocusedSurface = focusedSurface
         if focusedSurface == target {
             focusedSurface = findNextFocusTargetAfterClosing(node: targetNode)
         }
@@ -752,11 +754,12 @@ class BaseTerminalController: NSWindowController,
             undoManager?.endUndoGrouping()
         }
         
-        replaceSurfaceTree(removedTree, moveFocusFrom: focusedSurface)
+        replaceSurfaceTree(removedTree, moveFocusFrom: oldFocusedSurface)
         _ = TerminalController.newWindow(
             ghostty,
             tree: newTree,
-            position: notification.userInfo?[Notification.Name.ghosttySurfaceDragEndedNoTargetPointKey] as? NSPoint)
+            position: notification.userInfo?[Notification.Name.ghosttySurfaceDragEndedNoTargetPointKey] as? NSPoint,
+            confirmUndo: false)
     }
 
     // MARK: Local Events

macos/Sources/Features/Terminal/TerminalController.swift

@@ -285,7 +285,8 @@ class TerminalController: BaseTerminalController, TabGroupCloseCoordinator.Contr
     static func newWindow(
         _ ghostty: Ghostty.App,
         tree: SplitTree<Ghostty.SurfaceView>,
-        position: NSPoint? = nil
+        position: NSPoint? = nil,
+        confirmUndo: Bool = true,
     ) -> TerminalController {
         let c = TerminalController.init(ghostty, withSurfaceTree: tree)
 
@@ -321,7 +322,11 @@ class TerminalController: BaseTerminalController, TabGroupCloseCoordinator.Contr
                 expiresAfter: c.undoExpiration
             ) { target in
                 undoManager.disableUndoRegistration {
-                    target.closeWindow(nil)
+                    if confirmUndo {
+                        target.closeWindow(nil)
+                    } else {
+                        target.closeWindowImmediately()
+                    }
                 }
 
                 undoManager.registerUndo(