home added

lib/home_shell.dart

@@ -1,8 +1,9 @@
-/// Bottom navigation: products, lists, add, and shop log.
+/// Bottom navigation: home, products, lists, add, and shop log.
 library;
 
 import 'package:flutter/material.dart';
 
+import 'home_screen.dart';
 import 'products_screen.dart';
 import 'scan_screen.dart';
 import 'services/app_settings.dart';
@@ -20,11 +21,14 @@ class HomeShell extends StatefulWidget {
 }
 
 class _HomeShellState extends State<HomeShell> {
+  static const _homeIndex = 0;
+  static const _productsIndex = 1;
   static const _addIndex = 2;
-  static const _shopLogIndex = 3;
+  static const _listsIndex = 3;
+  static const _shopLogIndex = 4;
   static const _fabGap = 56.0;
 
-  int _index = _addIndex;
+  int _index = _homeIndex;
   int _revision = 0;
   AppSettings? _settings;
   int _seenGeneration = 0;
@@ -77,15 +81,23 @@ class _HomeShellState extends State<HomeShell> {
 
     return Scaffold(
       body: switch (_index) {
-        0 => ProductsScreen(
+        _homeIndex => HomeScreen(
+          key: ValueKey('home-$_revision'),
+          repository: widget.repository,
+          onOpenProducts: () => _select(_productsIndex),
+          onOpenLists: () => _select(_listsIndex),
+          onOpenShopLog: () => _select(_shopLogIndex),
+          onOpenAdd: () => _select(_addIndex),
+        ),
+        _productsIndex => ProductsScreen(
           key: ValueKey('products-$_revision'),
           repository: widget.repository,
         ),
-        1 => ShoppingListsScreen(
+        _listsIndex => ShoppingListsScreen(
           key: ValueKey('lists-$_revision'),
           repository: widget.repository,
         ),
-        2 => ScanScreen(
+        _addIndex => ScanScreen(
           repository: widget.repository,
           onTripSaved: _onTripSaved,
         ),
@@ -118,20 +130,20 @@ class _HomeShellState extends State<HomeShell> {
                 children: [
                   Expanded(
                     child: _NavButton(
-                      icon: Icons.inventory_2_outlined,
-                      selectedIcon: Icons.inventory_2,
-                      label: 'Products',
-                      selected: _index == 0,
-                      onTap: () => _select(0),
+                      icon: Icons.home_outlined,
+                      selectedIcon: Icons.home,
+                      label: 'Home',
+                      selected: _index == _homeIndex,
+                      onTap: () => _select(_homeIndex),
                     ),
                   ),
                   Expanded(
                     child: _NavButton(
-                      icon: Icons.checklist_outlined,
-                      selectedIcon: Icons.checklist,
-                      label: 'Lists',
-                      selected: _index == 1,
-                      onTap: () => _select(1),
+                      icon: Icons.inventory_2_outlined,
+                      selectedIcon: Icons.inventory_2,
+                      label: 'Products',
+                      selected: _index == _productsIndex,
+                      onTap: () => _select(_productsIndex),
                     ),
                   ),
                 ],
@@ -139,12 +151,27 @@ class _HomeShellState extends State<HomeShell> {
             ),
             const SizedBox(width: _fabGap),
             Expanded(
-              child: _NavButton(
-                icon: Icons.receipt_long_outlined,
-                selectedIcon: Icons.receipt_long,
-                label: 'Shop log',
-                selected: _index == _shopLogIndex,
-                onTap: () => _select(_shopLogIndex),
+              child: Row(
+                children: [
+                  Expanded(
+                    child: _NavButton(
+                      icon: Icons.checklist_outlined,
+                      selectedIcon: Icons.checklist,
+                      label: 'Lists',
+                      selected: _index == _listsIndex,
+                      onTap: () => _select(_listsIndex),
+                    ),
+                  ),
+                  Expanded(
+                    child: _NavButton(
+                      icon: Icons.receipt_long_outlined,
+                      selectedIcon: Icons.receipt_long,
+                      label: 'Shop log',
+                      selected: _index == _shopLogIndex,
+                      onTap: () => _select(_shopLogIndex),
+                    ),
+                  ),
+                ],
               ),
             ),
           ],