Fix windows some issues

Optimize overwrite handle

Optimize access control page

Optimize some details

lib/providers/app.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:fl_clash/common/common.dart';
 import 'package:fl_clash/enum/enum.dart';
 import 'package:fl_clash/models/models.dart';
@@ -290,11 +292,41 @@ class BackBlock extends _$BackBlock with AutoDisposeNotifierMixin {
 
 @riverpod
 class Loading extends _$Loading with AutoDisposeNotifierMixin {
+  DateTime? _start;
+  Timer? _timer;
+
   @override
   bool build() {
     return globalState.appState.loading;
   }
 
+  void start() {
+    _timer?.cancel();
+    _timer = null;
+    _start = DateTime.now();
+    value = true;
+  }
+
+  Future<void> stop() async {
+    if (_start == null) {
+      value = false;
+      return;
+    }
+    final startedAt = _start!;
+    final elapsed = DateTime.now().difference(_start!).inMilliseconds;
+    const minDuration = 1000;
+    if (elapsed >= minDuration) {
+      value = false;
+      return;
+    }
+    _timer = Timer(Duration(milliseconds: minDuration - elapsed), () {
+      if (_start != startedAt) {
+        return;
+      }
+      value = false;
+    });
+  }
+
   @override
   onUpdate(value) {
     globalState.appState = globalState.appState.copyWith(loading: value);
@@ -407,16 +439,63 @@ class _CoreStatus extends _$CoreStatus with AutoDisposeNotifierMixin {
 }
 
 @riverpod
-class QueryMap extends _$QueryMap with AutoDisposeNotifierMixin {
+class Query extends _$Query with AutoDisposeNotifierMixin {
+  late final QueryTag _tag;
+
   @override
-  Map<QueryTag, String> build() => globalState.appState.queryMap;
+  String build(QueryTag tag) {
+    _tag = tag;
+    return globalState.appState.queryMap[tag] ?? '';
+  }
 
   @override
   onUpdate(value) {
-    globalState.appState = globalState.appState.copyWith(queryMap: value);
-  }
-
-  void updateQuery(QueryTag tag, String value) {
-    this.value = Map.from(globalState.appState.queryMap)..[tag] = value;
+    final newMap = Map<QueryTag, String>.from(globalState.appState.queryMap)
+      ..[_tag] = value;
+    globalState.appState = globalState.appState.copyWith(queryMap: newMap);
+  }
+}
+
+@riverpod
+class SelectedItems extends _$SelectedItems with AutoDisposeNotifierMixin {
+  late final String _key;
+
+  @override
+  Set<String> build(String key) {
+    _key = key;
+    return globalState.appState.selectedItemsMap[_key] ?? {};
+  }
+
+  @override
+  onUpdate(value) {
+    final newMap = globalState.appState.selectedItemsMap.copyWitUpdate(
+      key,
+      value.isEmpty ? null : value,
+    );
+    globalState.appState = globalState.appState.copyWith(
+      selectedItemsMap: newMap,
+    );
+  }
+}
+
+@riverpod
+class SelectedItem extends _$SelectedItem with AutoDisposeNotifierMixin {
+  late final String _key;
+
+  @override
+  String build(String key) {
+    _key = key;
+    return globalState.appState.selectedItemMap[_key] ?? '';
+  }
+
+  @override
+  onUpdate(value) {
+    final newMap = globalState.appState.selectedItemMap.copyWitUpdate(
+      key,
+      value.isEmpty ? null : value,
+    );
+    globalState.appState = globalState.appState.copyWith(
+      selectedItemMap: newMap,
+    );
   }
 }