feat(Views): 实现全屏拖拽标记功能

- 新增 MarkerWindow 类，用于显示全屏标记
- 修改 MainWindow.xaml.cs 中的鼠标事件处理逻辑
-优化拖拽流程，确保标记跟随鼠标移动
- 添加屏幕边缘检测和标记窗口的显示/隐藏逻辑

Author: 1592363624

Models/HolidayGreeter.cs

@@ -0,0 +1 @@
+

Views/MainWindow.xaml.cs

@@ -9,9 +9,7 @@
 using System.Windows.Controls;
 using System.Windows.Forms;
 using System.Windows.Input;
-using System.Windows.Media;
 using System.Windows.Navigation;
-using System.Windows.Shapes;
 using CallRecording.Models;
 using CallRecording.ViewModels;
 using Microsoft.Toolkit.Uwp.Notifications;
@@ -39,6 +37,7 @@ public partial class MainWindow : Window
 
     // GlobalMVVM gmvvm = new GlobalMVVM();
     private bool isDragging = false;
+    private MarkerWindow markerWindow;
 
     string msg = "";
 
@@ -247,8 +246,22 @@ private void MainWindow_Closing(object sender, CancelEventArgs e)
 
     private void adm_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
     {
+        // 确保之前的状态已清理
+        if (markerWindow != null)
+        {
+            markerWindow.Close();
+            markerWindow = null;
+        }
+
+        // 重置拖拽状态
         isDragging = true;
-        Mouse.Capture(sender as UIElement);
+        var element = sender as UIElement;
+        if (element != null)
+        {
+            element.CaptureMouse();
+        }
+
+        e.Handled = true;
     }
 
     private void adm_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
@@ -268,10 +281,26 @@ private void adm_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
     {
         if (isDragging)
         {
-            // 右键取消拖拽
+            // 完全重置拖拽状态
             isDragging = false;
+            var element = sender as UIElement;
+            if (element != null)
+            {
+                element.ReleaseMouseCapture();
+            }
+
             Mouse.Capture(null);
             DragFeedbackLayer.Children.Clear();
+
+            // 关闭标记窗口
+            if (markerWindow != null)
+            {
+                markerWindow.Close();
+                markerWindow = null;
+            }
+
+            // 强制鼠标状态更新
+            e.Handled = true;
         }
     }
 
@@ -306,21 +335,23 @@ private void adm_MouseMove(object sender, MouseEventArgs e)
     {
         if (isDragging && e.LeftButton == MouseButtonState.Pressed)
         {
-            // 清除旧标记
-            DragFeedbackLayer.Children.Clear();
+            // 获取全局鼠标位置
+            var screenPos = Control.MousePosition;
 
-            // 创建新标记
-            var pos = e.GetPosition(DragFeedbackLayer);
-            var ellipse = new Ellipse
+            // 创建或更新全屏标记窗口
+            if (markerWindow == null)
             {
-                Width = 20,
-                Height = 20,
-                Stroke = Brushes.Orange,
-                StrokeThickness = 2
-            };
-            Canvas.SetLeft(ellipse, pos.X - 10);
-            Canvas.SetTop(ellipse, pos.Y - 10);
-            DragFeedbackLayer.Children.Add(ellipse);
+                markerWindow = new MarkerWindow();
+                markerWindow.Show();
+            }
+
+            // 更新标记位置
+            markerWindow.UpdatePosition(screenPos.X, screenPos.Y);
+        }
+        else if (markerWindow != null)
+        {
+            markerWindow.Close();
+            markerWindow = null;
         }
     }
 

Views/MarkerWindow.cs

@@ -0,0 +1,53 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace CallRecording.Views
+{
+    public class MarkerWindow : Window
+    {
+        private readonly Ellipse marker;
+
+        public MarkerWindow()
+        {
+            // 设置窗口属性
+            WindowStyle = WindowStyle.None;
+            AllowsTransparency = true;
+            Background = Brushes.Transparent;
+            Topmost = true;
+            ShowInTaskbar = false;
+            ResizeMode = ResizeMode.NoResize;
+
+            // 覆盖整个屏幕
+            Width = SystemParameters.PrimaryScreenWidth;
+            Height = SystemParameters.PrimaryScreenHeight;
+            Left = 0;
+            Top = 0;
+
+            // 创建标记
+            var canvas = new Canvas();
+            marker = new Ellipse
+            {
+                Width = 20,
+                Height = 20,
+                Stroke = Brushes.Orange,
+                StrokeThickness = 2
+            };
+            canvas.Children.Add(marker);
+            Content = canvas;
+        }
+
+        public void UpdatePosition(double x, double y)
+        {
+            // 更新标记位置
+            Canvas.SetLeft(marker, x - 10);
+            Canvas.SetTop(marker, y - 10);
+        }
+
+        protected override void OnClosed(EventArgs e)
+        {
+            base.OnClosed(e);
+        }
+    }
+}