Add Hungarian English language switcher

lib/pages.dart

@@ -5,6 +5,7 @@ class PersonsPage extends StatelessWidget {
     super.key,
     required this.people,
     required this.events,
+    required this.languageCode,
     required this.onAdd,
     required this.onEdit,
     required this.onDelete,
@@ -12,26 +13,27 @@ class PersonsPage extends StatelessWidget {
 
   final List<Person> people;
   final List<CalendarEvent> events;
+  final String languageCode;
   final VoidCallback onAdd;
   final ValueChanged<Person> onEdit;
   final ValueChanged<Person> onDelete;
 
   @override
   Widget build(BuildContext context) {
+    final text = AppText.of(languageCode);
     return PageFrame(
-      eyebrow: '${people.length} csal\u00e1dtag',
-      title: 'Csal\u00e1dtagok',
+      eyebrow: text.familyCount(people.length),
+      title: text.familyMembers,
       action: FilledButton.icon(
         onPressed: onAdd,
         icon: const Icon(Icons.add),
-        label: const Text('\u00daj csal\u00e1dtag'),
+        label: Text(text.newFamilyMember),
       ),
       child: people.isEmpty
-          ? const EmptyState(
+          ? EmptyState(
               icon: Icons.group_add_outlined,
-              title: 'M\u00e9g nincs csal\u00e1dtag',
-              subtitle:
-                  'Vegy\u00e9l fel csal\u00e1dtagokat, gyerekeket vagy b\u00e1rkit.',
+              title: text.noFamilyMembers,
+              subtitle: text.noFamilyMembersSubtitle,
             )
           : ListView.separated(
               padding: const EdgeInsets.only(bottom: 24),
@@ -90,14 +92,14 @@ class PersonsPage extends StatelessWidget {
                             if (value == 'edit') onEdit(person);
                             if (value == 'delete') onDelete(person);
                           },
-                          itemBuilder: (_) => const [
+                          itemBuilder: (_) => [
                             PopupMenuItem(
                               value: 'edit',
-                              child: Text('\u00c1tnevez\u00e9s / avatar'),
+                              child: Text(text.renameAvatar),
                             ),
                             PopupMenuItem(
                               value: 'delete',
-                              child: Text('T\u00f6rl\u00e9s'),
+                              child: Text(text.delete),
                             ),
                           ],
                         ),
@@ -115,17 +117,20 @@ class StylePage extends StatelessWidget {
   const StylePage({
     super.key,
     required this.themeId,
+    required this.languageCode,
     required this.onThemeChanged,
   });
 
   final String themeId;
+  final String languageCode;
   final ValueChanged<String> onThemeChanged;
 
   @override
   Widget build(BuildContext context) {
+    final text = AppText.of(languageCode);
     return PageFrame(
-      eyebrow: 'T\u00e9ma \u00e9s st\u00edlusok',
-      title: 'Megjelen\u00e9s',
+      eyebrow: text.themeAndStyles,
+      title: text.appearance,
       child: ListView(
         padding: const EdgeInsets.only(bottom: 24),
         children: [
@@ -187,20 +192,23 @@ class ShoppingPage extends StatelessWidget {
   const ShoppingPage({
     super.key,
     required this.items,
+    required this.languageCode,
     required this.onChanged,
     required this.onAdd,
   });
 
   final List<ShoppingItem> items;
+  final String languageCode;
   final VoidCallback onChanged;
   final VoidCallback onAdd;
 
   @override
   Widget build(BuildContext context) {
+    final text = AppText.of(languageCode);
     final remaining = items.where((e) => !e.done).length;
     return PageFrame(
-      eyebrow: '$remaining t\u00e9tel van h\u00e1tra',
-      title: 'Bev\u00e1s\u00e1rl\u00f3lista',
+      eyebrow: text.remainingItems(remaining),
+      title: text.shoppingList,
       action: IconButton.filled(onPressed: onAdd, icon: const Icon(Icons.add)),
       child: Column(
         children: [
@@ -278,6 +286,7 @@ class StockPage extends StatefulWidget {
   const StockPage({
     super.key,
     required this.items,
+    required this.languageCode,
     required this.onChanged,
     required this.onAdd,
     required this.onEdit,
@@ -285,6 +294,7 @@ class StockPage extends StatefulWidget {
   });
 
   final List<StockItem> items;
+  final String languageCode;
   final VoidCallback onChanged;
   final VoidCallback onAdd;
   final ValueChanged<StockItem> onEdit;
@@ -299,10 +309,11 @@ class _StockPageState extends State<StockPage> {
 
   @override
   Widget build(BuildContext context) {
+    final text = AppText.of(widget.languageCode);
     final filtered = widget.items.where((e) => e.location == location).toList();
     return PageFrame(
-      eyebrow: '${widget.items.length} term\u00e9k nyilv\u00e1ntartva',
-      title: 'Otthoni k\u00e9szlet',
+      eyebrow: text.stockCount(widget.items.length),
+      title: text.homeStock,
       action: IconButton.filled(
         onPressed: widget.onAdd,
         icon: const Icon(Icons.add),