feat: search suggestion switch

lib/pages/search/controller.dart

@@ -25,6 +25,7 @@ class SSearchController extends GetxController {
   RxString defaultSearch = ''.obs;
   Box setting = GStrorage.setting;
   bool enableHotKey = true;
+  bool enableSearchSuggest = true;
   late StreamController<bool> clearStream = StreamController<bool>.broadcast();
 
   @override
@@ -47,6 +48,7 @@ class SSearchController extends GetxController {
     historyCacheList = GlobalDataCache().historyCacheList;
     historyList.value = historyCacheList;
     enableHotKey = setting.get(SettingBoxKey.enableHotKey, defaultValue: true);
+    enableSearchSuggest = GlobalDataCache().enableSearchSuggest;
   }
 
   void onChange(value) {
@@ -57,18 +59,16 @@ class SSearchController extends GetxController {
       return;
     }
     clearStream.add(true);
-    _debouncer.call(() => querySearchSuggest(value));
+    if (enableSearchSuggest) {
+      _debouncer.call(() => querySearchSuggest(value));
+    }
   }
 
   void onClear() {
-    if (searchKeyWord.value.isNotEmpty && controller.value.text != '') {
-      controller.value.clear();
-      searchKeyWord.value = '';
-      searchSuggestList.value = [];
-      clearStream.add(false);
-    } else {
-      Get.back();
-    }
+    controller.value.clear();
+    searchKeyWord.value = '';
+    searchSuggestList.value = [];
+    clearStream.add(false);
   }
 
   // 搜索

lib/pages/setting/extra_setting.dart

@@ -5,6 +5,7 @@ import 'package:hive/hive.dart';
 import 'package:pilipala/models/common/dynamics_type.dart';
 import 'package:pilipala/models/common/reply_sort_type.dart';
 import 'package:pilipala/pages/setting/widgets/select_dialog.dart';
+import 'package:pilipala/utils/global_data_cache.dart';
 import 'package:pilipala/utils/storage.dart';
 
 import '../home/index.dart';
@@ -146,6 +147,15 @@ class _ExtraSettingState extends State<ExtraSetting> {
             setKey: SettingBoxKey.enableHotKey,
             defaultVal: true,
           ),
+          SetSwitchItem(
+            title: '展示搜索建议',
+            subTitle: '输入搜索内容时展示建议词',
+            setKey: SettingBoxKey.enableSearchSuggest,
+            defaultVal: true,
+            callFn: (val) {
+              GlobalDataCache().enableSearchSuggest = val;
+            },
+          ),
           SetSwitchItem(
             title: '搜索默认词',
             subTitle: '是否展示搜索框默认词',