add chat filter list, more space for search bar.

lib/screens/contacts_screen.dart

@@ -672,6 +672,14 @@ class _ContactsScreenState extends State<ContactsScreen>
               : "",
         );
         break;
+      case ContactTypeFilter.chat:
+        hintText = context.l10n.contacts_searchContacts(
+          filteredAndSorted.length,
+          viewState.contactsShowUnreadOnly
+              ? " ${context.l10n.contacts_unread}"
+              : "",
+        );
+        break;
     }
 
     final groupsByName = <String, ContactGroup>{};
@@ -682,13 +690,13 @@ class _ContactsScreenState extends State<ContactsScreen>
       ..sort((a, b) => a.name.toLowerCase().compareTo(b.name.toLowerCase()));
 
     final screenWidth = MediaQuery.sizeOf(context).width;
-    final searchExpandedWidth = (screenWidth * 0.52).clamp(
+    final searchExpandedWidth = (screenWidth * 0.72).clamp(
       97.0,
       double.infinity,
-    ); // allow expansion up to 52% of screen width, but not less than the collapsed width
+    ); // allow expansion up to 72% of screen width, but not less than the collapsed width
     final searchCollapsedWidth = (screenWidth * 0.22).clamp(
       97.0,
-      120.0,
+      97.0,
     ); //two 48px icon buttons + 1px divider
 
     return Column(
@@ -860,8 +868,11 @@ class _ContactsScreenState extends State<ContactsScreen>
     if (viewState.contactsTypeFilter != ContactTypeFilter.all) {
       filtered = filtered
           .where(
-            (contact) =>
-                _matchesTypeFilter(contact, viewState.contactsTypeFilter),
+            (contact) => _matchesTypeFilter(
+              contact,
+              viewState.contactsTypeFilter,
+              connector,
+            ),
           )
           .toList();
     }
@@ -901,7 +912,11 @@ class _ContactsScreenState extends State<ContactsScreen>
     return filtered;
   }
 
-  bool _matchesTypeFilter(Contact contact, ContactTypeFilter typeFilter) {
+  bool _matchesTypeFilter(
+    Contact contact,
+    ContactTypeFilter typeFilter,
+    MeshCoreConnector connector,
+  ) {
     switch (typeFilter) {
       case ContactTypeFilter.all:
         return true;
@@ -913,6 +928,8 @@ class _ContactsScreenState extends State<ContactsScreen>
         return contact.type == advTypeRepeater;
       case ContactTypeFilter.rooms:
         return contact.type == advTypeRoom;
+      case ContactTypeFilter.chat:
+        return connector.getMessages(contact).isNotEmpty;
     }
   }
 

lib/screens/discovery_screen.dart

@@ -306,6 +306,12 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
           showUnreadOnly ? " ${context.l10n.contacts_unread}" : "",
         );
         break;
+      case ContactTypeFilter.chat:
+        hintText = context.l10n.contacts_searchContacts(
+          filteredAndSorted.length,
+          showUnreadOnly ? " ${context.l10n.contacts_unread}" : "",
+        );
+        break;
     }
 
     return Column(
@@ -424,6 +430,8 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
         return contact.type == advTypeRepeater;
       case ContactTypeFilter.rooms:
         return contact.type == advTypeRoom;
+      case ContactTypeFilter.chat:
+        return false;
       default:
         return false;
     }

lib/utils/contact_filter_types.dart

@@ -1,3 +1,3 @@
 enum ContactSortOption { lastSeen, recentMessages, name }
 
-enum ContactTypeFilter { all, favorites, users, repeaters, rooms }
+enum ContactTypeFilter { all, favorites, users, repeaters, rooms, chat }

lib/widgets/list_filter_widget.dart

@@ -177,6 +177,11 @@ class ContactsFilterMenu extends StatelessWidget {
               label: l10n.listFilter_roomServers,
               checked: typeFilter == ContactTypeFilter.rooms,
             ),
+            SortFilterMenuOption(
+              value: _TypeFilterAction(ContactTypeFilter.chat),
+              label: l10n.map_chat,
+              checked: typeFilter == ContactTypeFilter.chat,
+            ),
             SortFilterMenuOption(
               value: const _ToggleUnreadAction(),
               label: l10n.listFilter_unreadOnly,