Connect to several servers, one coloured window each

mac/Sources/Byre/Chat.swift

@@ -26,6 +26,7 @@ final class ChatModel {
     @ObservationIgnored private var focusStart = true
     @ObservationIgnored private var visibleSummaries: Set<Int64> = []
     @ObservationIgnored private var activeObserver: NotificationCenter.ObservationToken?
+    @ObservationIgnored private var keyObserver: NotificationCenter.ObservationToken?
     @ObservationIgnored private var started = false
 
     init(_ kind: ChatKind, _ store: Store) {
@@ -150,6 +151,9 @@ final class ChatModel {
         activeObserver = NotificationCenter.default.addObserver(of: NSApplication.self, for: .didBecomeActive) { [weak self] _ in
             self?.markShown()
         }
+        keyObserver = NotificationCenter.default.addObserver(of: NSWindow.self, for: .didBecomeKey) { [weak self] _ in
+            self?.markShown()
+        }
     }
 
     func stop() {
@@ -161,6 +165,10 @@ final class ChatModel {
             NotificationCenter.default.removeObserver(activeObserver)
         }
         activeObserver = nil
+        if let keyObserver {
+            NotificationCenter.default.removeObserver(keyObserver)
+        }
+        keyObserver = nil
         unmergedTimer?.cancel()
         unmergedTimer = nil
         builder.stop()
@@ -214,7 +222,7 @@ final class ChatModel {
     }
 
     private func markShown() {
-        guard let taskId, NSApp.isActive else {
+        guard let taskId, store.paneFocus.windowKey else {
             return
         }
         for seq in visibleSummaries {