feat(SearchEdit): 添加图标搜索按钮点击事件SearchButtonClick

src/AtomUI.Controls/Input/SearchEdit.cs

@@ -3,6 +3,7 @@ using AtomUI.Theme.Data;
 using AtomUI.Theme.Styling;
 using Avalonia;
 using Avalonia.Data;
+using Avalonia.Interactivity;
 
 namespace AtomUI.Controls;
 
@@ -36,6 +37,21 @@ public class SearchEdit : LineEdit
 
     #endregion
 
+    #region 公共事件定义
+
+
+    public static readonly RoutedEvent<RoutedEventArgs> SearchButtonClickEvent =
+        RoutedEvent.Register<SearchEdit, RoutedEventArgs>(nameof(SearchButtonClick), RoutingStrategies.Bubble);
+
+
+    public event EventHandler<RoutedEventArgs>? SearchButtonClick
+    {
+        add => AddHandler(SearchButtonClickEvent, value);
+        remove => RemoveHandler(SearchButtonClickEvent, value);
+    }
+
+    #endregion
+
     protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
     {
         base.OnAttachedToVisualTree(e);
@@ -44,4 +60,10 @@ public class SearchEdit : LineEdit
             BindingPriority.Template,
             new RenderScaleAwareThicknessConfigure(this)));
     }
+
+    internal void OnSearchButtonClick(RoutedEventArgs e)
+    {
+        var eventArgs = new RoutedEventArgs(SearchButtonClickEvent, this);
+        RaiseEvent(eventArgs);
+    }
 }

src/AtomUI.Controls/Input/SearchEditDecoratedBox.cs

@@ -3,6 +3,8 @@ using AtomUI.Data;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
+using Avalonia.Interactivity;
+using Avalonia.LogicalTree;
 
 namespace AtomUI.Controls;
 
@@ -32,6 +34,7 @@ public class SearchEditDecoratedBox : AddOnDecoratedBox
 
     private Rect? _originRect;
     private Button? _searchButton;
+    private SearchEdit? _ownerSearchEdit;
 
     protected override void NotifyAddOnBorderInfoCalculated()
     {
@@ -57,12 +60,42 @@ public class SearchEditDecoratedBox : AddOnDecoratedBox
     protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
     {
         base.OnApplyTemplate(e);
+
+        if (_searchButton is not null)
+        {
+            _searchButton.Click -= HandleSearchButtonClick;
+        }
+        
         _searchButton = e.NameScope.Find<Button>(AddOnDecoratedBoxThemeConstants.RightAddOnPart);
 
         if (_searchButton is not null)
         {
             BindUtils.RelayBind(this, RightAddOnBorderThicknessProperty, _searchButton, BorderThicknessProperty);
             BindUtils.RelayBind(this, RightAddOnCornerRadiusProperty, _searchButton, CornerRadiusProperty);
+            _searchButton.Click += HandleSearchButtonClick;
         }
     }
+
+    protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
+    {
+        base.OnAttachedToVisualTree(e);
+        _ownerSearchEdit = this.FindLogicalAncestorOfType<SearchEdit>();
+    }
+
+    protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
+    {
+        base.OnDetachedFromVisualTree(e);
+
+        if (_searchButton is not null)
+        {
+            _searchButton.Click -= HandleSearchButtonClick;
+        }
+        
+        _ownerSearchEdit = null;
+     }
+
+    private void HandleSearchButtonClick(object? sender, RoutedEventArgs e)
+    {
+        _ownerSearchEdit?.OnSearchButtonClick(e);
+    }
 }