filter badge added

lib/widgets/search_field.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 
 class SearchField extends StatefulWidget {
   final String title;
+  final bool? isFiltered;
   final void Function(String value) onChanged;
   final VoidCallback? onFilterButtonPressed;
 
@@ -13,6 +14,7 @@ class SearchField extends StatefulWidget {
     required this.title,
     required this.onChanged,
     this.onFilterButtonPressed,
+    this.isFiltered,
   }) : super(key: key);
 
   @override
@@ -78,19 +80,37 @@ class _SearchFieldState extends State<SearchField> {
                   border: InputBorder.none,
                   hintText: 'جستجو مطلب در ${widget.title}',
                   hintStyle: TextStyle(
-                      color: Theme.of(context).colorScheme.disabledText),
+                    color: Theme.of(context).colorScheme.disabledText,
+                  ),
                 ),
               ),
             ),
           ),
           if (widget.onFilterButtonPressed != null) const SizedBox(width: 8),
           if (widget.onFilterButtonPressed != null)
+            Stack(
+              children: [
                 DidvanIconButton(
                   onPressed: widget.onFilterButtonPressed!,
-              icon: DidvanIcons.filter_regular,
+                  icon: widget.isFiltered!
+                      ? DidvanIcons.filter_solid
+                      : DidvanIcons.filter_regular,
                   size: 32,
                   gestureSize: 32,
                 ),
+                if (widget.isFiltered!)
+                  Positioned(
+                    child: Container(
+                      width: 10,
+                      height: 10,
+                      decoration: BoxDecoration(
+                        shape: BoxShape.circle,
+                        color: Theme.of(context).colorScheme.secondary,
+                      ),
+                    ),
+                  ),
+              ],
+            ),
         ],
       ),
     );