Add custom titles to navigation bars in tabs

Author: NovaDev404

Sources/prosign/prosign.swift

@@ -12,25 +12,48 @@ struct ProSign: App {
 struct MainTabView: View {
     var body: some View {
         TabView {
+            // ---- Signer Tab ----
             NavigationStack {
                 SignerView()
-                    .navigationTitle("ProSign - Signer")
                     .navigationBarTitleDisplayMode(.inline)
+                    .toolbar {
+                        ToolbarItem(placement: .principal) {
+                            Text("ProSign - Signer")
+                                .font(.headline)
+                        }
+                    }
             }
             .tabItem {
                 Image(systemName: "hammer")
                 Text("Signer")
             }
+
+            // ---- Certificates Tab ----
             NavigationStack {
                 CertificateView()
+                    .navigationBarTitleDisplayMode(.inline)
+                    .toolbar {
+                        ToolbarItem(placement: .principal) {
+                            Text("ProSign - Certificates")
+                                .font(.headline)
+                        }
+                    }
             }
             .tabItem {
                 Image(systemName: "key")
                 Text("Certificates")
             }
 
+            // ---- About Tab ----
             NavigationStack {
                 AboutView()
+                    .navigationBarTitleDisplayMode(.inline)
+                    .toolbar {
+                        ToolbarItem(placement: .principal) {
+                            Text("ProSign - About")
+                                .font(.headline)
+                        }
+                    }
             }
             .tabItem {
                 Image(systemName: "info.circle")