From 917217eb2d1c28a65840c0c40912e2ea8b9df94d Mon Sep 17 00:00:00 2001
From: Dong Bin <popmessiah@hotmail.com>
Date: Thu, 20 Mar 2025 16:53:42 +0800
Subject: [PATCH] feat: allow setting titlebar hittest from UrsaWindow.

---
 src/Ursa.Themes.Semi/Controls/UrsaWindow.axaml |  3 ++-
 src/Ursa/Controls/TitleBar/TitleBar.cs         | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Ursa.Themes.Semi/Controls/UrsaWindow.axaml b/src/Ursa.Themes.Semi/Controls/UrsaWindow.axaml
index 03f9cf8..d828093 100644
--- a/src/Ursa.Themes.Semi/Controls/UrsaWindow.axaml
+++ b/src/Ursa.Themes.Semi/Controls/UrsaWindow.axaml
@@ -66,6 +66,7 @@
                         <VisualLayerManager.ChromeOverlayLayer>
                             <Panel Margin="{Binding $parent[u:UrsaWindow].OffScreenMargin}">
                                 <u:TitleBar
+                                    IsTitleBarHitTestVisible="{Binding $parent[u:UrsaWindow].(u:TitleBar.IsTitleBarHitTestVisible)}"
                                     Margin="{Binding $parent[u:UrsaWindow].TitleBarMargin}"
                                     Content="{Binding $parent[u:UrsaWindow].TitleBarContent}"
                                     IsTitleVisible="{Binding $parent[u:UrsaWindow].IsTitleBarVisible}"
@@ -109,7 +110,7 @@
                         <Border
                             Name="PART_Background"
                             Background="{TemplateBinding Background}"
-                            IsHitTestVisible="True" />
+                            IsHitTestVisible="{TemplateBinding IsTitleBarHitTestVisible}" />
                         <Grid HorizontalAlignment="Stretch" ColumnDefinitions="Auto, *, Auto, Auto">
                             <ContentPresenter
                                 Grid.Column="0"
diff --git a/src/Ursa/Controls/TitleBar/TitleBar.cs b/src/Ursa/Controls/TitleBar/TitleBar.cs
index 8e0165c..4e26a3b 100644
--- a/src/Ursa/Controls/TitleBar/TitleBar.cs
+++ b/src/Ursa/Controls/TitleBar/TitleBar.cs
@@ -42,6 +42,17 @@ public class TitleBar: ContentControl
         get => GetValue(IsTitleVisibleProperty);
         set => SetValue(IsTitleVisibleProperty, value);
     }
+
+    public static readonly AttachedProperty<bool> IsTitleBarHitTestVisibleProperty =
+        AvaloniaProperty.RegisterAttached<TitleBar, Window, bool>("IsTitleBarHitTestVisible", defaultValue: true);
+    public static void SetIsTitleBarHitTestVisible(Window obj, bool value) => obj.SetValue(IsTitleBarHitTestVisibleProperty, value);
+    public static bool GetIsTitleBarHitTestVisible(Window obj) => obj.GetValue(IsTitleBarHitTestVisibleProperty);
+    
+    public bool IsTitleBarHitTestVisible
+    {
+        get => GetValue(IsTitleBarHitTestVisibleProperty);
+        set => SetValue(IsTitleBarHitTestVisibleProperty, value);
+    }
     
     protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
     {