navigation: fix navigation popping issues in threads

Changelog-Fixed: Fix navigation popping in threads

damus/Views/ThreadV2View.swift

@@ -232,18 +232,29 @@ struct BuildThreadV2View: View {
 struct ThreadV2View: View {
     let damus: DamusState
     let thread: ThreadV2
+    @State var nav_target: String? = nil
+    @State var navigating: Bool = false
+    
+    var MaybeBuildThreadView: some View {
+        Group {
+            if let evid = nav_target {
+                BuildThreadV2View(damus: damus, event_id: evid)
+            } else {
+                EmptyView()
+            }
+        }
+    }
     
     var body: some View {
+        NavigationLink(destination: MaybeBuildThreadView, isActive: $navigating) {
+            EmptyView()
+        }
         ScrollViewReader { reader in
             ScrollView {
                 VStack {
                     // MARK: - Parents events view
                     VStack {
                         ForEach(thread.parentEvents, id: \.id) { event in
-                            NavigationLink(destination: BuildThreadV2View(
-                                damus: damus,
-                                event_id: event.id
-                            )){
                             EventView(
                                 event: event,
                                 highlight: .none,
@@ -252,8 +263,10 @@ struct ThreadV2View: View {
                                 show_friend_icon: true, // TODO: change it
                                 size: .small
                             )
+                            .onTapGesture {
+                                nav_target = event.id
+                                navigating = true
                             }
-                            .buttonStyle(.plain)
                             .onAppear {
                                 // TODO: find another solution to prevent layout shifting and layout blocking on large responses
                                 reader.scrollTo("main", anchor: .bottom)
@@ -283,10 +296,6 @@ struct ThreadV2View: View {
                     
                     // MARK: - Responses of the actual event view
                     ForEach(thread.childEvents, id: \.id) { event in
-                        NavigationLink(destination: BuildThreadV2View(
-                            damus: damus,
-                            event_id: event.id
-                        )){
                         EventView(
                             event: event,
                             highlight: .none,
@@ -295,7 +304,10 @@ struct ThreadV2View: View {
                             show_friend_icon: true, // TODO: change it
                             size: .small
                         )
-                        }.buttonStyle(.plain)
+                        .onTapGesture {
+                            nav_target = event.id
+                            navigating = true
+                        }
                     }
                 }.padding()
             }.navigationBarTitle("Thread")

damus/Views/TimelineView.swift

@@ -17,8 +17,23 @@ struct InnerTimelineView: View {
     let damus: DamusState
     let show_friend_icon: Bool
     let filter: (NostrEvent) -> Bool
+    @State var nav_target: NostrEvent? = nil
+    @State var navigating: Bool = false
+    
+    var MaybeBuildThreadView: some View {
+        Group {
+            if let ev = nav_target {
+                BuildThreadV2View(damus: damus, event_id: (ev.inner_event ?? ev).id)
+            } else {
+                EmptyView()
+            }
+        }
+    }
     
     var body: some View {
+        NavigationLink(destination: MaybeBuildThreadView, isActive: $navigating) {
+            EmptyView()
+        }
         LazyVStack {
             if events.isEmpty {
                 EmptyTimelineView()
@@ -28,14 +43,11 @@ struct InnerTimelineView: View {
                     //let is_chatroom = should_show_chatroom(ev)
                     //let tv = ThreadView(thread: tm, damus: damus, is_chatroom: is_chatroom)
                                 
-                    NavigationLink(destination: BuildThreadV2View(
-                        damus: damus,
-                        event_id: (ev.inner_event ?? ev).id
-                    )) {
                     EventView(event: ev, highlight: .none, has_action_bar: true, damus: damus, show_friend_icon: show_friend_icon)
+                        .onTapGesture {
+                            nav_target = ev
+                            navigating = true
                         }
-                    .isDetailLink(true)
-                    .buttonStyle(PlainButtonStyle())
                 }
             }
         }