improve:快抽按钮

2025-11-08 22:17:52 +08:00
parent 1baa74bb69
commit c3fd5551d8
5 changed files with 165 additions and 571 deletions
@@ -0,0 +1,149 @@
+using Ink_Canvas.Windows;
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Threading;
+using MouseEventArgs = System.Windows.Input.MouseEventArgs;
+using HorizontalAlignment = System.Windows.HorizontalAlignment;
+using VerticalAlignment = System.Windows.VerticalAlignment;
+
+namespace Ink_Canvas.Controls
+{
+    /// <summary>
+    /// 快抽悬浮按钮控件
+    /// </summary>
+    public partial class QuickDrawFloatingButtonControl : UserControl
+    {
+        private bool _isDragging = false;
+        private Point _dragStartPoint;
+        private Point _controlStartPoint;
+
+        public QuickDrawFloatingButtonControl()
+        {
+            InitializeComponent();
+        }
+
+        /// <summary>
+        /// 快抽按钮点击事件
+        /// </summary>
+        private void FloatingButton_Click(object sender, MouseButtonEventArgs e)
+        {
+            try
+            {
+                // 如果正在拖动，不触发点击事件
+                if (_isDragging) return;
+                
+                // 打开快抽窗口
+                var quickDrawWindow = new QuickDrawWindow();
+                quickDrawWindow.ShowDialog();
+            }
+            catch (Exception ex)
+            {
+                Helpers.LogHelper.WriteLogToFile($"打开快抽窗口失败: {ex.Message}", Helpers.LogHelper.LogType.Error);
+            }
+        }
+
+        /// <summary>
+        /// 拖动区域鼠标按下事件
+        /// </summary>
+        private void DragArea_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            _isDragging = false;
+            
+            // 记录鼠标在屏幕上的初始位置
+            _dragStartPoint = this.PointToScreen(e.GetPosition(this));
+            
+            // 记录控件的初始位置
+            var parent = this.Parent as FrameworkElement;
+            if (parent != null)
+            {
+                var transform = this.TransformToVisual(parent);
+                var currentPos = transform.Transform(new Point(0, 0));
+                _controlStartPoint = currentPos;
+            }
+            else
+            {
+                var currentMargin = this.Margin;
+                _controlStartPoint = new Point(
+                    double.IsNaN(currentMargin.Left) ? 0 : currentMargin.Left,
+                    double.IsNaN(currentMargin.Top) ? 0 : currentMargin.Top);
+            }
+            
+            ((UIElement)sender).CaptureMouse();
+            e.Handled = true;
+        }
+
+        /// <summary>
+        /// 拖动区域鼠标移动事件
+        /// </summary>
+        private void DragArea_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (e.LeftButton == MouseButtonState.Pressed && ((UIElement)sender).IsMouseCaptured)
+            {
+                // 获取鼠标在屏幕上的当前位置
+                Point currentScreenPoint = this.PointToScreen(e.GetPosition(this));
+                Vector diff = currentScreenPoint - _dragStartPoint;
+                
+                if (!_isDragging && (Math.Abs(diff.X) > 3 || Math.Abs(diff.Y) > 3))
+                {
+                    _isDragging = true;
+                    // 切换到绝对定位模式
+                    this.HorizontalAlignment = HorizontalAlignment.Left;
+                    this.VerticalAlignment = VerticalAlignment.Top;
+                }
+                
+                if (_isDragging)
+                {
+                    // 计算新位置
+                    var parent = this.Parent as FrameworkElement;
+                    if (parent != null)
+                    {
+                        // 计算屏幕坐标相对于父容器的位置
+                        var parentPoint = parent.PointFromScreen(currentScreenPoint);
+                        var startParentPoint = parent.PointFromScreen(_dragStartPoint);
+                        
+                        // 计算相对于初始位置的偏移
+                        double offsetX = parentPoint.X - startParentPoint.X;
+                        double offsetY = parentPoint.Y - startParentPoint.Y;
+                        
+                        // 新位置 = 初始位置 + 偏移
+                        double newLeft = _controlStartPoint.X + offsetX;
+                        double newTop = _controlStartPoint.Y + offsetY;
+                        
+                        // 限制在父容器范围内
+                        newLeft = Math.Max(0, Math.Min(newLeft, parent.ActualWidth - this.ActualWidth));
+                        newTop = Math.Max(0, Math.Min(newTop, parent.ActualHeight - this.ActualHeight));
+                        
+                        // 更新Margin
+                        this.Margin = new Thickness(newLeft, newTop, 0, 0);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// 拖动区域鼠标释放事件
+        /// </summary>
+        private void DragArea_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            if (((UIElement)sender).IsMouseCaptured)
+            {
+                ((UIElement)sender).ReleaseMouseCapture();
+            }
+            
+            if (_isDragging)
+            {
+                Dispatcher.BeginInvoke(new Action(() => { _isDragging = false; }), 
+                    DispatcherPriority.Background);
+            }
+            else
+            {
+                _isDragging = false;
+            }
+            
+            e.Handled = true;
+        }
+    }
+}
+