add fix to tab bar search

yobble/Components/TopBarView.swift

@@ -12,6 +12,7 @@ struct TopBarView: View {
     
     // Привязка для управления боковым меню
     @Binding var isSideMenuPresented: Bool
+    @Binding var chatSearchRevealProgress: CGFloat
     
     @State private var searchText: String = ""
     
@@ -106,18 +107,49 @@ struct TopBarView: View {
             .frame(height: 50) // Стандартная высота для нав. бара
             
             if isChatsTab {
-                searchBar
-                    .padding(.horizontal)
-                    .padding(.bottom, 8)
+                revealableSearchBar
             }
 
             Divider()
         }
         .background(Color(UIColor.systemBackground))
+        .onChange(of: isChatsTab) { isChats in
+            if !isChats {
+                withAnimation(.spring(response: 0.35, dampingFraction: 0.75)) {
+                    chatSearchRevealProgress = 0
+                }
+            }
+        }
     }
 }
 
 private extension TopBarView {
+    private var normalizedRevealProgress: CGFloat {
+        guard isChatsTab else { return 0 }
+        return max(0, min(chatSearchRevealProgress, 1))
+    }
+
+    private var revealableSearchBar: some View {
+        let progress = normalizedRevealProgress
+        return VStack(spacing: 0) {
+            searchBar
+                .padding(.horizontal)
+                .padding(.bottom, searchBarBottomSpacing)
+                .opacity(progress)
+        }
+        .frame(height: searchBarRevealHeight * progress, alignment: .top)
+        .clipped()
+        .allowsHitTesting(progress > 0.9)
+        .accessibilityHidden(progress < 0.9)
+    }
+
+    private var searchBarRevealHeight: CGFloat { searchBarBaseHeight + searchBarBottomSpacing }
+
+    // 36 min height + 6 * 2 vertical padding inside searchBar
+    private var searchBarBaseHeight: CGFloat { 48 }
+
+    private var searchBarBottomSpacing: CGFloat { 0 }
+
     var searchBar: some View {
         HStack(spacing: 8) {
             Image(systemName: "magnifyingglass")
@@ -145,7 +177,26 @@ private extension TopBarView {
 }
 
 struct TopBarView_Previews: PreviewProvider {
+    struct Wrapper: View {
+        @State private var selectedAccount = "@user"
+        @State private var isSideMenuPresented = false
+        @State private var revealProgress: CGFloat = 1
+        @StateObject private var viewModel = LoginViewModel()
+
+        var body: some View {
+            TopBarView(
+                title: "Chats",
+                selectedAccount: $selectedAccount,
+                accounts: [selectedAccount],
+                viewModel: viewModel,
+                isSideMenuPresented: $isSideMenuPresented,
+                chatSearchRevealProgress: $revealProgress
+            )
+        }
+    }
+
     static var previews: some View {
-        /*@START_MENU_TOKEN@*/Text("Hello, World!")/*@END_MENU_TOKEN@*/
+        Wrapper()
+            .environmentObject(ThemeManager())
     }
 }

yobble/Views/Tab/ChatsTab.swift

@@ -8,10 +8,20 @@
 import SwiftUI
 
 struct ChatsTab: View {
-    var currentUserId: String? = nil
+    var currentUserId: String?
+    @Binding var searchRevealProgress: CGFloat
     @StateObject private var viewModel = PrivateChatsViewModel()
     @State private var selectedChatId: String?
     @State private var searchText: String = ""
+    @State private var searchDragStartProgress: CGFloat = 0
+    @State private var isSearchGestureActive: Bool = false
+
+    private let searchRevealDistance: CGFloat = 90
+
+    init(currentUserId: String? = nil, searchRevealProgress: Binding<CGFloat>) {
+        self.currentUserId = currentUserId
+        self._searchRevealProgress = searchRevealProgress
+    }
 
     var body: some View {
         content
@@ -115,6 +125,7 @@ struct ChatsTab: View {
             }
         }
         .listStyle(.plain)
+        .simultaneousGesture(searchBarGesture)
 //        .safeAreaInset(edge: .top) {
 //            VStack(spacing: 0) {
 //                searchBar
@@ -152,6 +163,36 @@ struct ChatsTab: View {
         )
     }
 
+    private var searchBarGesture: some Gesture {
+        DragGesture(minimumDistance: 10, coordinateSpace: .local)
+            .onChanged { value in
+                let verticalTranslation = value.translation.height
+                let horizontalTranslation = value.translation.width
+
+                if !isSearchGestureActive {
+                    guard abs(verticalTranslation) > abs(horizontalTranslation) else { return }
+                    if searchRevealProgress <= 0.001 && verticalTranslation < 0 { return }
+                    isSearchGestureActive = true
+                    searchDragStartProgress = searchRevealProgress
+                }
+
+                guard isSearchGestureActive else { return }
+
+                let delta = verticalTranslation / searchRevealDistance
+                let newProgress = searchDragStartProgress + delta
+                searchRevealProgress = max(0, min(1, newProgress))
+            }
+            .onEnded { _ in
+                guard isSearchGestureActive else { return }
+                isSearchGestureActive = false
+
+                let target: CGFloat = searchRevealProgress > 0.5 ? 1 : 0
+                withAnimation(.spring(response: 0.35, dampingFraction: 0.75)) {
+                    searchRevealProgress = target
+                }
+            }
+    }
+
     private var isSearching: Bool {
         !searchText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
     }
@@ -552,10 +593,18 @@ private struct ChatRowView: View {
 }
 
 struct ChatsTab_Previews: PreviewProvider {
-    static var previews: some View {
-        ChatsTab()
+    struct Wrapper: View {
+        @State private var progress: CGFloat = 1
+
+        var body: some View {
+            ChatsTab(searchRevealProgress: $progress)
                 .environmentObject(ThemeManager())
         }
+    }
+
+    static var previews: some View {
+        Wrapper()
+    }
 }
 
 private struct ChatPlaceholderView: View {

yobble/Views/Tab/MainView.swift

@@ -13,6 +13,7 @@ struct MainView: View {
     // Состояния для бокового меню
     @State private var isSideMenuPresented = false
     @State private var menuOffset: CGFloat = 0
+    @State private var chatSearchRevealProgress: CGFloat = 0
     
     private var tabTitle: String {
         switch selectedTab {
@@ -38,7 +39,8 @@ struct MainView: View {
                         selectedAccount: $selectedAccount,
                         accounts: accounts,
                         viewModel: viewModel,
-                        isSideMenuPresented: $isSideMenuPresented
+                        isSideMenuPresented: $isSideMenuPresented,
+                        chatSearchRevealProgress: $chatSearchRevealProgress
                     )
                     
                     ZStack {
@@ -48,8 +50,12 @@ struct MainView: View {
                         FeedbackTab()
                             .opacity(selectedTab == 1 ? 1 : 0)
                         
-                        ChatsTab(currentUserId: viewModel.userId.isEmpty ? nil : viewModel.userId)
+                        ChatsTab(
+                            currentUserId: viewModel.userId.isEmpty ? nil : viewModel.userId,
+                            searchRevealProgress: $chatSearchRevealProgress
+                        )
                             .opacity(selectedTab == 2 ? 1 : 0)
+                            .allowsHitTesting(selectedTab == 2)
                         
                         ProfileTab()
                             .opacity(selectedTab == 3 ? 1 : 0)