111 lines
4.0 KiB
C#
111 lines
4.0 KiB
C#
using anjianjingling.Native;
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using System.Diagnostics;
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using System.Text;
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namespace anjianjingling.Window
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{
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public record WindowInfo(IntPtr Handle, string Title);
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/// <summary>
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/// 系统级窗口管理：枚举、查找、激活、启动程序、后台消息投递。
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/// </summary>
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public sealed class WindowManager
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{
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/// <summary>启动外部程序或打开文件。</summary>
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public void Launch(string path, string? arguments = null)
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{
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var psi = new ProcessStartInfo
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{
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FileName = path,
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UseShellExecute = true
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};
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if (!string.IsNullOrWhiteSpace(arguments)) psi.Arguments = arguments;
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Process.Start(psi);
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}
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/// <summary>枚举所有可见且有标题的顶层窗口。</summary>
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public List<WindowInfo> GetWindows()
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{
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var list = new List<WindowInfo>();
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Win32.EnumWindows((h, _) =>
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{
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if (Win32.IsWindowVisible(h))
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{
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int len = Win32.GetWindowTextLength(h);
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if (len > 0)
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{
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var sb = new StringBuilder(len + 1);
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Win32.GetWindowText(h, sb, sb.Capacity);
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var title = sb.ToString().Trim();
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if (title.Length > 0) list.Add(new WindowInfo(h, title));
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}
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}
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return true;
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}, IntPtr.Zero);
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return list;
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}
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/// <summary>按标题关键字（包含匹配，不区分大小写）查找窗口。</summary>
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public IntPtr FindByTitle(string keyword)
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{
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foreach (var w in GetWindows())
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{
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if (w.Title.Contains(keyword, StringComparison.OrdinalIgnoreCase))
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return w.Handle;
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}
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return IntPtr.Zero;
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}
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/// <summary>激活窗口并前置（最小化则恢复，使用 AttachThreadInput 解决前台锁定）。</summary>
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public bool Activate(IntPtr hWnd)
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{
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if (hWnd == IntPtr.Zero) return false;
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if (Win32.IsIconic(hWnd)) Win32.ShowWindow(hWnd, Win32.SW_RESTORE);
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uint foregroundThread = Win32.GetWindowThreadProcessId(Win32.GetForegroundWindow(), out _);
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uint currentThread = Win32.GetCurrentThreadId();
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if (foregroundThread != currentThread)
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{
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Win32.AttachThreadInput(currentThread, foregroundThread, true);
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Win32.SetForegroundWindow(hWnd);
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Win32.AttachThreadInput(currentThread, foregroundThread, false);
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}
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else
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{
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Win32.SetForegroundWindow(hWnd);
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}
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return true;
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}
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/// <summary>按标题激活。</summary>
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public bool ActivateByTitle(string keyword)
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{
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var h = FindByTitle(keyword);
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return h != IntPtr.Zero && Activate(h);
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}
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/// <summary>获取窗口屏幕矩形。</summary>
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public Rectangle? GetBounds(IntPtr hWnd)
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{
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if (Win32.GetWindowRect(hWnd, out var r))
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return new Rectangle(r.Left, r.Top, r.Width, r.Height);
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return null;
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}
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/// <summary>
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/// 后台点击：向窗口句柄 PostMessage 发送鼠标按下/弹起（客户区坐标），不抢焦点。
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/// 注意：对 DirectX/自绘程序可能无效。
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/// </summary>
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public void PostClick(IntPtr hWnd, int clientX, int clientY, bool right = false)
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{
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var lp = Win32.MakeLParam(clientX, clientY);
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uint down = right ? Win32.WM_RBUTTONDOWN : Win32.WM_LBUTTONDOWN;
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uint up = right ? Win32.WM_RBUTTONUP : Win32.WM_LBUTTONUP;
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Win32.PostMessage(hWnd, down, Win32.MK_LBUTTON, lp);
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Thread.Sleep(60);
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Win32.PostMessage(hWnd, up, IntPtr.Zero, lp);
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}
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}
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}
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