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@ -1,4 +1,5 @@ |
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using System; |
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using System.Runtime.InteropServices; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Input; |
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@ -20,6 +21,10 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>, IActivata |
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{ |
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private readonly ILogger<MainWindow>? _logger; |
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private bool _isClosingConfirmed = false; |
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private bool _isDragging = false; |
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private Avalonia.PixelPoint _dragStartScreenPoint; |
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private Avalonia.PixelPoint _dragStartWindowPosition; |
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private Avalonia.Point _lastWindowPoint; |
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/// <summary>
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/// 无参构造函数，用于 XAML 设计器
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@ -59,6 +64,29 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>, IActivata |
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.RegisterHandler(async interaction => |
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{ |
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var dialog = new CloseConfirmDialog(interaction.Input); |
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// 在 Linux 上，确保窗口在显示前已准备好
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux)) |
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{ |
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// 先准备好窗口，但不显示
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dialog.ShowActivated = false; |
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dialog.Opacity = 0; |
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// 等待窗口初始化完成
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await System.Threading.Tasks.Task.Delay(10); |
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// 触发布局，确保内容已渲染
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dialog.InvalidateMeasure(); |
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dialog.InvalidateArrange(); |
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// 等待布局和渲染完成
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await System.Threading.Tasks.Task.Delay(50); |
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// 设置透明度为1，准备显示
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dialog.Opacity = 1; |
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dialog.ShowActivated = true; |
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} |
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var result = await dialog.ShowDialog<bool>(this); |
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interaction.SetOutput(result); |
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}) |
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@ -77,11 +105,18 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>, IActivata |
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/// </summary>
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private void SetupWindowControls() |
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{ |
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// 设置标题栏拖动功能
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var titleBarGrid = this.FindControl<Grid>("TitleBarGrid"); |
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if (titleBarGrid != null) |
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// 设置左侧导航栏拖动功能
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var leftNavigationBar = this.FindControl<Border>("LeftNavigationBar"); |
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if (leftNavigationBar != null) |
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{ |
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titleBarGrid.PointerPressed += OnTitleBarPointerPressed; |
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leftNavigationBar.PointerPressed += OnLeftNavigationBarPointerPressed; |
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} |
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// Linux 平台需要在窗口级别处理鼠标移动和释放事件
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux)) |
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{ |
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this.PointerMoved += OnWindowPointerMoved; |
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this.PointerReleased += OnWindowPointerReleased; |
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} |
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// 最小化按钮
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@ -137,13 +172,83 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>, IActivata |
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} |
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/// <summary>
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/// 处理标题栏鼠标按下事件，实现窗口拖动
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/// 处理左侧导航栏鼠标按下事件，实现窗口拖动
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/// </summary>
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private void OnTitleBarPointerPressed(object? sender, PointerPressedEventArgs e) |
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private void OnLeftNavigationBarPointerPressed(object? sender, PointerPressedEventArgs e) |
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{ |
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if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed) |
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{ |
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BeginMoveDrag(e); |
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// Linux 平台需要手动实现拖动
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux)) |
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{ |
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_isDragging = true; |
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// 记录按下时的窗口位置和鼠标屏幕坐标
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var pointerPoint = e.GetCurrentPoint(this); |
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var windowPoint = pointerPoint.Position; |
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// 计算鼠标的屏幕坐标：窗口位置 + 鼠标在窗口内的位置
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_dragStartScreenPoint = new Avalonia.PixelPoint( |
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Position.X + (int)Math.Round(windowPoint.X), |
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Position.Y + (int)Math.Round(windowPoint.Y)); |
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_dragStartWindowPosition = Position; |
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_lastWindowPoint = windowPoint; |
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// 捕获指针到窗口，确保拖动流畅
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pointerPoint.Pointer.Capture(this); |
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e.Handled = true; |
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} |
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else |
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{ |
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// Windows 和其他平台使用系统方法
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BeginMoveDrag(e); |
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} |
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} |
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} |
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/// <summary>
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/// 处理窗口鼠标移动事件（仅 Linux 平台）
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/// </summary>
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private void OnWindowPointerMoved(object? sender, PointerEventArgs e) |
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{ |
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if (_isDragging && e.GetCurrentPoint(this).Properties.IsLeftButtonPressed) |
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{ |
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// 获取当前鼠标在窗口内的位置
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var currentPoint = e.GetCurrentPoint(this); |
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var currentWindowPoint = currentPoint.Position; |
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// 计算鼠标在窗口内的移动量（相对于上次记录的位置）
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var deltaWindowX = currentWindowPoint.X - _lastWindowPoint.X; |
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var deltaWindowY = currentWindowPoint.Y - _lastWindowPoint.Y; |
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// 只有当鼠标在窗口内实际移动了超过0.5像素时才更新
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if (Math.Abs(deltaWindowX) > 0.5 || Math.Abs(deltaWindowY) > 0.5) |
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{ |
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// 根据鼠标在窗口内的移动量更新窗口位置
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var newX = Position.X + (int)Math.Round(deltaWindowX); |
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var newY = Position.Y + (int)Math.Round(deltaWindowY); |
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var newPosition = new Avalonia.PixelPoint(newX, newY); |
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// 更新窗口位置
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Position = newPosition; |
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// 更新记录的上次鼠标位置
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_lastWindowPoint = currentWindowPoint; |
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} |
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e.Handled = true; |
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} |
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} |
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/// <summary>
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/// 处理窗口鼠标释放事件（仅 Linux 平台）
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/// </summary>
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private void OnWindowPointerReleased(object? sender, PointerReleasedEventArgs e) |
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{ |
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if (_isDragging) |
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{ |
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_isDragging = false; |
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// 释放指针捕获
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var pointerPoint = e.GetCurrentPoint(this); |
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pointerPoint.Pointer.Capture(null); |
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e.Handled = true; |
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} |
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} |
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root
1 month ago