新设置窗口：新增可拖动区域 (#401)

* 软件设置内的贡献者列表添加了 PANDA-JSR

* 设置窗口：新增可拖动区域

Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml

@@ -650,7 +650,9 @@
                             <RowDefinition Height="Auto"/>
                             <RowDefinition Height="*"/>
                         </Grid.RowDefinitions>
-                        <Grid Height="48" VerticalAlignment="Top" Grid.Row="0">
+                        <Grid Height="48" VerticalAlignment="Top" Grid.Row="0"
+                              Background="Transparent"
+                              MouseLeftButtonDown="SidebarTopBar_MouseLeftButtonDown">
                             <Border x:Name="SearchButtonBorder" CornerRadius="8" Background="#d9d9d9" Width="34" Height="34" Margin="8,0,0,0" HorizontalAlignment="Left" MouseLeftButtonDown="SearchButton_Click" Cursor="Hand">
                                 <Image Width="16" Height="16">
                                     <Image.Source>
@@ -664,7 +666,8 @@
                                     </Image.Source>
                                 </Image>
                             </Border>
-                            <TextBlock x:Name="TitleTextBlock" FontSize="15" Text="软件设置" Foreground="#2e3436" FontWeight="Bold" VerticalAlignment="Center" HorizontalAlignment="Center"/>
+                            <TextBlock x:Name="TitleTextBlock" FontSize="15" Text="软件设置" Foreground="#2e3436" FontWeight="Bold"
+                                       VerticalAlignment="Center" HorizontalAlignment="Center" IsHitTestVisible="False"/>
                             <Border CornerRadius="8" Background="#d9d9d9" Width="34" Height="34" Margin="0,0,8,0" HorizontalAlignment="Right" PreviewMouseLeftButtonDown="MenuButton_Click" Cursor="Hand" x:Name="MenuButtonBorder">
                                 <Image Width="16" Height="16">
                                     <Image.Source>
@@ -858,7 +861,8 @@
                 
                 <!--Topbar-->
                 <Grid Height="48" VerticalAlignment="Top" Margin="250,0,0,0">
-                    <Border x:Name="TopBarBorder" Height="48" CornerRadius="0,6,0,0" Background="#fafafa">
+                    <Border x:Name="TopBarBorder" Height="48" CornerRadius="0,6,0,0" Background="#fafafa"
+                            MouseLeftButtonDown="TopBarBorder_MouseLeftButtonDown">
                         <Border.Clip>
                             <RectangleGeometry Rect="0,0,640,56"/>
                         </Border.Clip>
@@ -868,7 +872,8 @@
                             </Border.Effect>
                         </Border>
                     </Border>
-                    <TextBlock FontSize="16" Text="设置标题" Name="SettingsWindowTitle" Foreground="#2e3436" FontWeight="Bold" VerticalAlignment="Center" HorizontalAlignment="Center"/>
+                    <TextBlock FontSize="16" Text="设置标题" Name="SettingsWindowTitle" Foreground="#2e3436" FontWeight="Bold"
+                               VerticalAlignment="Center" HorizontalAlignment="Center" IsHitTestVisible="False"/>
                     <Border CornerRadius="8" Background="#33ef4444" Width="34" Height="34" Margin="0,0,8,0" HorizontalAlignment="Right" MouseLeftButtonDown="CloseButton_Click" Cursor="Hand">
                         <Image Width="12" Height="12">
                             <Image.Source>

Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml.cs

@@ -1160,6 +1160,30 @@ namespace Ink_Canvas.Windows
             _sidebarItemMouseDownBorder = null;
         }
 
+        private void TopBarBorder_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (e.ChangedButton != MouseButton.Left) return;
+            DragMove();
+        }
+
+        private void SidebarTopBar_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (e.ChangedButton != MouseButton.Left) return;
+
+            var source = e.OriginalSource as DependencyObject;
+            if (IsInsideElement(source, SearchButtonBorder) || IsInsideElement(source, MenuButtonBorder))
+                return;
+
+            DragMove();
+        }
+
+        private static bool IsInsideElement(DependencyObject source, DependencyObject target)
+        {
+            if (source == null || target == null) return false;
+            if (source == target) return true;
+            return IsInsideElement(VisualTreeHelper.GetParent(source), target);
+        }
+
         private void CloseButton_Click(object sender, MouseButtonEventArgs e)
         {
             Close();
@@ -1838,4 +1862,4 @@ namespace Ink_Canvas.Windows
 
         #endregion
     }
-}
+}