Connect to several servers, one coloured window each

mac/Sources/Byre/Changes.swift

@@ -22,11 +22,10 @@ private let emptyText: [ChangeMode: String] = [
     .step: "This step changed nothing.",
 ]
 
-@MainActor
-private enum ChangesMemory {
-    static var open: Set<String> = []
-    static var range = ChangeMode.main
-    static var pinRange = ChangeMode.step
+struct ChangesMemory {
+    var open: Set<String> = []
+    var range = ChangeMode.main
+    var pinRange = ChangeMode.step
 }
 
 func untilCancelled() async {
@@ -43,9 +42,9 @@ final class ChangesModel {
     private(set) var changes: TaskChanges?
     private(set) var error = ""
     private(set) var diffs: [String: Result<String, ApiError>] = [:]
-    private(set) var open = ChangesMemory.open
-    private(set) var range = ChangesMemory.range
-    private(set) var pinRange = ChangesMemory.pinRange
+    private(set) var open: Set<String>
+    private(set) var range: ChangeMode
+    private(set) var pinRange: ChangeMode
     @ObservationIgnored private var loading = false
     @ObservationIgnored private var again = false
     @ObservationIgnored private var timer: Task<Void, Never>?
@@ -56,6 +55,9 @@ final class ChangesModel {
     init(_ store: Store, compact: Bool) {
         self.store = store
         self.compact = compact
+        open = store.changesMemory.open
+        range = store.changesMemory.range
+        pinRange = store.changesMemory.pinRange
     }
 
     var pinned: Int? {
@@ -161,7 +163,7 @@ final class ChangesModel {
             return
         }
         range = r
-        ChangesMemory.range = r
+        store.changesMemory.range = r
         retarget()
     }
 
@@ -170,7 +172,7 @@ final class ChangesModel {
             return
         }
         pinRange = r
-        ChangesMemory.pinRange = r
+        store.changesMemory.pinRange = r
         retarget()
     }
 
@@ -180,7 +182,7 @@ final class ChangesModel {
         } else {
             open.remove(path)
         }
-        ChangesMemory.open = open
+        store.changesMemory.open = open
     }
 
     func shows(_ a: LineAnchor) -> Bool {