CJK_mkp
356 lines
12 KiB
C#
356 lines
12 KiB
C#
using Ink_Canvas.Helpers;
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using System;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Interop;
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using System.Windows.Media;
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using System.Runtime.InteropServices;
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using System.Windows.Threading;
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namespace Ink_Canvas
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{
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/// <summary>
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/// 快抽悬浮按钮
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/// </summary>
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public partial class QuickDrawFloatingButton : Window
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{
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private bool isDragging = false;
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private Point dragStartPoint;
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private Point windowStartPoint;
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public QuickDrawFloatingButton()
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{
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InitializeComponent();
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// 设置无焦点状态
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this.Focusable = false;
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this.ShowInTaskbar = false;
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// 窗口句柄创建后应用无焦点模式
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this.SourceInitialized += QuickDrawFloatingButton_SourceInitialized;
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}
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private void QuickDrawFloatingButton_SourceInitialized(object sender, EventArgs e)
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{
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ApplyNoFocusMode();
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}
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private void FloatingButton_Loaded(object sender, RoutedEventArgs e)
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{
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// 设置位置到屏幕右下角稍微靠近中部
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SetPositionToBottomRight();
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// 应用无焦点模式
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ApplyNoFocusMode();
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// 应用置顶
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ApplyFloatingButtonTopmost();
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if (MainWindow.Settings?.Advanced?.EnableUIAccessTopMost != true)
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{
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StartTopmostMaintenance();
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}
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}
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private void SetPositionToBottomRight()
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{
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try
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{
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// 获取主屏幕的工作区域
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var workingArea = SystemParameters.WorkArea;
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this.Left = workingArea.Right - this.Width - 0;
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this.Top = workingArea.Bottom - this.Height - 200;
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"设置悬浮按钮位置失败: {ex.Message}", LogHelper.LogType.Error);
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// 如果计算失败，使用默认位置
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this.Left = 720;
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this.Top = 400;
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}
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}
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private void FloatingButton_Click(object sender, MouseButtonEventArgs e)
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{
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try
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{
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// 如果正在拖动，不触发点击事件
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if (isDragging) return;
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// 打开快抽窗口
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var quickDrawWindow = new QuickDrawWindow();
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quickDrawWindow.ShowDialog();
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"打开快抽窗口失败: {ex.Message}", LogHelper.LogType.Error);
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}
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}
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private void DragArea_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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isDragging = false;
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// 记录鼠标在屏幕上的初始位置
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dragStartPoint = this.PointToScreen(e.GetPosition(this));
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// 记录窗口的初始位置
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windowStartPoint = new Point(this.Left, this.Top);
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((UIElement)sender).CaptureMouse();
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e.Handled = true;
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}
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private void DragArea_MouseMove(object sender, MouseEventArgs e)
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{
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if (e.LeftButton == MouseButtonState.Pressed && ((UIElement)sender).IsMouseCaptured)
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{
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// 获取鼠标在屏幕上的当前位置
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Point currentScreenPoint = this.PointToScreen(e.GetPosition(this));
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Vector diff = currentScreenPoint - dragStartPoint;
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if (!isDragging && (Math.Abs(diff.X) > 3 || Math.Abs(diff.Y) > 3))
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{
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isDragging = true;
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}
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if (isDragging)
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{
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// 使用窗口初始位置加上鼠标移动的距离
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double newLeft = windowStartPoint.X + diff.X;
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double newTop = windowStartPoint.Y + diff.Y;
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// 限制在屏幕范围内
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var workingArea = SystemParameters.WorkArea;
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newLeft = Math.Max(workingArea.Left, Math.Min(newLeft, workingArea.Right - this.Width));
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newTop = Math.Max(workingArea.Top, Math.Min(newTop, workingArea.Bottom - this.Height));
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this.Left = newLeft;
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this.Top = newTop;
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}
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}
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}
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private void DragArea_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
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{
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if (((UIElement)sender).IsMouseCaptured)
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{
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((UIElement)sender).ReleaseMouseCapture();
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}
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// 延迟重置拖动状态，避免触发点击事件
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if (isDragging)
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{
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Dispatcher.BeginInvoke(new Action(() => { isDragging = false; }),
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DispatcherPriority.Background);
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}
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else
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{
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isDragging = false;
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}
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e.Handled = true;
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}
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#region Win32 API 声明和置顶管理
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[DllImport("user32.dll")]
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private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
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[DllImport("user32.dll")]
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private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll")]
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private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
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[DllImport("user32.dll")]
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private static extern bool IsWindow(IntPtr hWnd);
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool IsWindowVisible(IntPtr hWnd);
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[DllImport("user32.dll")]
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private static extern bool IsIconic(IntPtr hWnd);
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[DllImport("user32.dll")]
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private static extern IntPtr GetForegroundWindow();
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[DllImport("user32.dll")]
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private static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);
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[DllImport("kernel32.dll")]
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private static extern uint GetCurrentProcessId();
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private const int GWL_EXSTYLE = -20;
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private const int WS_EX_NOACTIVATE = 0x08000000;
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private const int WS_EX_TOPMOST = 0x00000008;
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private static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
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private static readonly IntPtr HWND_NOTOPMOST = new IntPtr(-2);
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private const uint SWP_NOMOVE = 0x0002;
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private const uint SWP_NOSIZE = 0x0001;
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private const uint SWP_NOACTIVATE = 0x0010;
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private const uint SWP_SHOWWINDOW = 0x0040;
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private const uint SWP_NOOWNERZORDER = 0x0200;
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// 添加定时器来维护置顶状态
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private DispatcherTimer topmostMaintenanceTimer;
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private bool isTopmostMaintenanceEnabled;
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/// <summary>
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/// 应用无焦点模式
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/// </summary>
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private void ApplyNoFocusMode()
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{
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try
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{
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var hwnd = new WindowInteropHelper(this).Handle;
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if (hwnd == IntPtr.Zero) return;
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int exStyle = GetWindowLong(hwnd, GWL_EXSTYLE);
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// 悬浮快抽窗口始终启用无焦点模式
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SetWindowLong(hwnd, GWL_EXSTYLE, exStyle | WS_EX_NOACTIVATE);
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}
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catch (Exception)
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{
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}
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}
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/// <summary>
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/// 应用悬浮按钮置顶
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/// </summary>
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private void ApplyFloatingButtonTopmost()
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{
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try
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{
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var hwnd = new WindowInteropHelper(this).Handle;
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if (hwnd == IntPtr.Zero) return;
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// 设置WPF的Topmost属性
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Topmost = true;
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// 使用Win32 API强制置顶
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// 1. 设置窗口样式为置顶
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int exStyle = GetWindowLong(hwnd, GWL_EXSTYLE);
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SetWindowLong(hwnd, GWL_EXSTYLE, exStyle | WS_EX_TOPMOST);
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// 2. 使用SetWindowPos确保窗口在最顶层
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SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
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SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOOWNERZORDER);
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"应用快抽悬浮按钮置顶失败: {ex.Message}", LogHelper.LogType.Error);
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}
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}
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/// <summary>
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/// 启动置顶维护定时器
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/// </summary>
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private void StartTopmostMaintenance()
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{
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if (MainWindow.Settings?.Advanced?.EnableUIAccessTopMost == true)
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{
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return;
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}
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if (isTopmostMaintenanceEnabled) return;
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if (topmostMaintenanceTimer == null)
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{
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topmostMaintenanceTimer = new DispatcherTimer();
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topmostMaintenanceTimer.Interval = TimeSpan.FromMilliseconds(500); // 每500ms检查一次
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topmostMaintenanceTimer.Tick += TopmostMaintenanceTimer_Tick;
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}
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topmostMaintenanceTimer.Start();
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isTopmostMaintenanceEnabled = true;
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}
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/// <summary>
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/// 停止置顶维护定时器
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/// </summary>
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private void StopTopmostMaintenance()
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{
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if (topmostMaintenanceTimer != null && isTopmostMaintenanceEnabled)
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{
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topmostMaintenanceTimer.Stop();
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isTopmostMaintenanceEnabled = false;
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}
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}
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/// <summary>
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/// 置顶维护定时器事件
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/// </summary>
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private void TopmostMaintenanceTimer_Tick(object sender, EventArgs e)
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{
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try
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{
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if (MainWindow.Settings?.Advanced?.EnableUIAccessTopMost == true)
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{
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StopTopmostMaintenance();
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return;
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}
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// 悬浮快抽窗口始终启用无焦点模式，不需要检查主窗口设置
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var hwnd = new WindowInteropHelper(this).Handle;
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if (hwnd == IntPtr.Zero) return;
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// 检查窗口是否仍然可见且不是最小化状态
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if (!IsWindow(hwnd) || !IsWindowVisible(hwnd) || IsIconic(hwnd))
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{
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return;
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}
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// 检查是否有子窗口在前景
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var foregroundWindow = GetForegroundWindow();
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if (foregroundWindow != hwnd)
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{
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// 检查前景窗口是否是当前应用程序的子窗口
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var foregroundWindowProcessId = GetWindowThreadProcessId(foregroundWindow, out uint processId);
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var currentProcessId = GetCurrentProcessId();
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if (processId == currentProcessId)
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{
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// 如果有子窗口在前景，暂停置顶维护
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return;
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}
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// 如果窗口不在最顶层且没有子窗口，重新设置置顶
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SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
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SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOOWNERZORDER);
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// 确保窗口样式正确
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int exStyle = GetWindowLong(hwnd, GWL_EXSTYLE);
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if ((exStyle & WS_EX_TOPMOST) == 0)
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{
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SetWindowLong(hwnd, GWL_EXSTYLE, exStyle | WS_EX_TOPMOST);
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}
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// 确保无焦点模式样式正确
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if ((exStyle & WS_EX_NOACTIVATE) == 0)
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{
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SetWindowLong(hwnd, GWL_EXSTYLE, exStyle | WS_EX_NOACTIVATE);
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}
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}
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"快抽悬浮按钮置顶维护定时器出错: {ex.Message}", LogHelper.LogType.Error);
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}
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}
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/// <summary>
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/// 窗口关闭时停止置顶维护定时器
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/// </summary>
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protected override void OnClosed(EventArgs e)
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{
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StopTopmostMaintenance();
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base.OnClosed(e);
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}
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#endregion
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}
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}
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