Refactor SettingsScreen and SearchAppBar: remove unused menu logic and enhance navigation features

lib/screens/settings_screen.dart

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:notas/widgets/app_title_bar.dart';
-import 'package:notas/widgets/menu_drawer.dart';
 import 'package:notas/widgets/search_app_bar.dart';
 
 class SettingsScreen extends StatefulWidget {
@@ -17,38 +16,6 @@ class SettingsScreen extends StatefulWidget {
 
 class _SettingsScreenState extends State<SettingsScreen> {
   bool _isBusy = false;
-  bool _isMenuOpen = false;
-  final GlobalKey _headerKey = GlobalKey();
-  double _menuTopInset = 0;
-
-  @override
-  void initState() {
-    super.initState();
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      _updateMenuTopInset();
-    });
-  }
-
-  void _updateMenuTopInset() {
-    final BuildContext? headerContext = _headerKey.currentContext;
-    if (headerContext == null) {
-      return;
-    }
-
-    final RenderObject? renderObject = headerContext.findRenderObject();
-    if (renderObject is! RenderBox) {
-      return;
-    }
-
-    final double newInset = renderObject.size.height;
-    if ((newInset - _menuTopInset).abs() < 0.5) {
-      return;
-    }
-
-    setState(() {
-      _menuTopInset = newInset;
-    });
-  }
 
   Future<void> _confirmAndDeleteAll() async {
     final bool? confirmed = await showDialog<bool>(
@@ -92,22 +59,8 @@ class _SettingsScreenState extends State<SettingsScreen> {
     }
   }
 
-  void _handleMenuItemTapped(String item) {
-    setState(() {
-      _isMenuOpen = false;
-    });
-
-    if (item == 'all_notes') {
-      Navigator.of(context).pop();
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      _updateMenuTopInset();
-    });
-
     return Scaffold(
       body: Container(
         decoration: const BoxDecoration(
@@ -122,80 +75,35 @@ class _SettingsScreenState extends State<SettingsScreen> {
           ),
         ),
         child: SafeArea(
-          child: Stack(
+          child: Column(
-          children: [
+            children: [
-            Column(
+              const AppTitleBar(),
-              children: [
+              SearchAppBar(
-                Column(
+                onLeadingPressed: () => Navigator.of(context).pop(),
-                  key: _headerKey,
+                leadingIcon: Icons.arrow_back,
-                  mainAxisSize: MainAxisSize.min,
+                leadingTooltip: 'Atrás',
-                  children: [
+                showSearch: false,
-                    const AppTitleBar(),
+                titleText: 'Configuración',
-                    SearchAppBar(
+              ),
-                      onMenuPressed: () {
+              Expanded(
-                        setState(() {
+                child: Padding(
-                          _isMenuOpen = !_isMenuOpen;
+                  padding: const EdgeInsets.all(16.0),
-                        });
+                  child: Column(
-                      },
+                    crossAxisAlignment: CrossAxisAlignment.start,
-                      showSearch: false,
+                    children: [
-                      titleText: 'Configuración',
+                      ElevatedButton.icon(
-                    ),
+                        style: ElevatedButton.styleFrom(backgroundColor: Colors.redAccent),
-                  ],
+                        onPressed: _isBusy ? null : _confirmAndDeleteAll,
-                ),
+                        icon: _isBusy ? const SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2)) : const Icon(Icons.delete_forever),
-                Expanded(
+                        label: const Text('Borrar todos los datos'),
-                  child: Padding(
+                      ),
-                    padding: const EdgeInsets.all(16.0),
+                      const SizedBox(height: 16),
-                    child: Column(
+                      const Text('Esto cerrará el vault actual y eliminará la base de datos local junto con la clave de cifrado.'),
-                      crossAxisAlignment: CrossAxisAlignment.start,
+                    ],
-                      children: [
-                        ElevatedButton.icon(
-                          style: ElevatedButton.styleFrom(backgroundColor: Colors.redAccent),
-                          onPressed: _isBusy ? null : _confirmAndDeleteAll,
-                          icon: _isBusy ? const SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2)) : const Icon(Icons.delete_forever),
-                          label: const Text('Borrar todos los datos'),
-                        ),
-                        const SizedBox(height: 16),
-                        const Text('Esto cerrará el vault actual y eliminará la base de datos local junto con la clave de cifrado.'),
-                      ],
-                    ),
-                  ),
-                ),
-              ],
-            ),
-            Positioned.fill(
-              top: _menuTopInset,
-              child: IgnorePointer(
-                ignoring: !_isMenuOpen,
-                child: AnimatedOpacity(
-                  duration: const Duration(milliseconds: 300),
-                  opacity: _isMenuOpen ? 0.5 : 0.0,
-                  curve: Curves.easeOutCubic,
-                  child: GestureDetector(
-                    behavior: HitTestBehavior.opaque,
-                    onTap: () {
-                      setState(() {
-                        _isMenuOpen = false;
-                      });
-                    },
-                    child: Container(color: Colors.black),
                   ),
                 ),
               ),
-            ),
+            ],
-            AnimatedPositioned(
-              duration: const Duration(milliseconds: 300),
-              curve: Curves.easeOutCubic,
-              left: _isMenuOpen ? 0 : -280,
-              top: _menuTopInset,
-              bottom: 0,
-              width: 280,
-              child: Material(
-                color: const Color.fromRGBO(24, 25, 26, 1),
-                elevation: 8,
-                child: MenuDrawer(onMenuItemTapped: _handleMenuItemTapped),
-              ),
-            ),
-          ],
           ),
         ),
       ),

lib/widgets/search_app_bar.dart

@@ -4,6 +4,9 @@ class SearchAppBar extends StatefulWidget {
   const SearchAppBar({
     super.key,
     this.onMenuPressed,
+    this.onLeadingPressed,
+    this.leadingIcon = Icons.menu,
+    this.leadingTooltip = 'Menú',
     this.onSearchChanged,
     this.searchHint = 'Buscar notas...',
     this.showSearch = true,
@@ -11,6 +14,9 @@ class SearchAppBar extends StatefulWidget {
   });
 
   final VoidCallback? onMenuPressed;
+  final VoidCallback? onLeadingPressed;
+  final IconData leadingIcon;
+  final String leadingTooltip;
   final ValueChanged<String>? onSearchChanged;
   final String searchHint;
   final bool showSearch;
@@ -50,11 +56,10 @@ class _SearchAppBarState extends State<SearchAppBar> {
       padding: const EdgeInsets.only(left: 16, right: 16, top: 7, bottom: 7),
       child: Row(
         children: [
-          // Menu button (fixed on left)
           IconButton(
-            onPressed: widget.onMenuPressed,
+            onPressed: widget.onLeadingPressed ?? widget.onMenuPressed,
-            icon: const Icon(Icons.menu, color: Colors.white70, size: 20),
+            icon: Icon(widget.leadingIcon, color: Colors.white70, size: 20),
-            tooltip: 'Menú',
+            tooltip: widget.leadingTooltip,
             splashRadius: 18,
             constraints: const BoxConstraints(minWidth: 40, minHeight: 40),
           ),