337 lines
12 KiB
C#
337 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Drawing;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Forms;
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using System.Windows.Interop;
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using static GeekDesk.Util.FileIcon;
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namespace GeekDesk.Util
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{
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public class WindowUtil
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{
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public enum GetWindowCmd : uint
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{
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GW_HWNDFIRST = 0,
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GW_HWNDLAST = 1,
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GW_HWNDNEXT = 2,
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GW_HWNDPREV = 3,
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GW_OWNER = 4,
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GW_CHILD = 5,
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GW_ENABLEDPOPUP = 6
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}
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[Flags]
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public enum SetWindowPosFlags
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{
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SWP_NOSIZE = 0x0001,
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SWP_NOMOVE = 0x0002,
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SWP_NOZORDER = 0x0004,
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SWP_NOREDRAW = 0x0008,
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SWP_NOACTIVATE = 0x0010,
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SWP_FRAMECHANGED = 0x0020,
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SWP_SHOWWINDOW = 0x0040,
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SWP_HIDEWINDOW = 0x0080,
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SWP_NOCOPYBITS = 0x0100,
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SWP_NOOWNERZORDER = 0x0200,
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SWP_NOSENDCHANGING = 0x0400
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}
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[DllImport("user32.dll")]
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public static extern IntPtr WindowFromPoint(System.Drawing.Point p);
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//取得前台窗口句柄函数
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[DllImport("user32.dll")]
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public static extern IntPtr GetForegroundWindow();
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//取得桌面窗口句柄函数
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[DllImport("user32.dll")]
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public static extern IntPtr GetDesktopWindow();
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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public static extern IntPtr FindWindow(string className, string windowName);
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[DllImport("user32.dll")]
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public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string className, string windowName);
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[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
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public static extern IntPtr GetWindow(HandleRef hWnd, int nCmd);
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[DllImport("user32.dll")]
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public static extern IntPtr SetParent(IntPtr child, IntPtr parent);
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[DllImport("user32.dll", EntryPoint = "GetDCEx", CharSet = CharSet.Auto, ExactSpelling = true)]
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public static extern IntPtr GetDCEx(IntPtr hWnd, IntPtr hrgnClip, int flags);
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[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
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public static extern bool SetWindowPos(HandleRef hWnd, HandleRef hWndInsertAfter, int x, int y, int cx, int cy, int flags);
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[DllImport("user32.dll")]
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public static extern int ReleaseDC(IntPtr window, IntPtr handle);
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[DllImport("user32.dll")]
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public static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);
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[DllImport("user32.dll")]
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public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll")]
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public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
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[DllImport("User32.dll", CharSet = CharSet.Auto)]
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public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID); //获取线程ID
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/// <summary>
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/// 枚举窗口时的委托参数
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/// </summary>
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/// <param name="hWnd"></param>
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/// <param name="lParam"></param>
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/// <returns></returns>
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public delegate bool WndEnumProc(IntPtr hWnd, int lParam);
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/// <summary>
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/// 枚举所有窗口
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/// </summary>
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/// <param name="lpEnumFunc"></param>
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/// <param name="lParam"></param>
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/// <returns></returns>
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[DllImport("user32.dll")]
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public static extern bool EnumWindows(WndEnumProc lpEnumFunc, int lParam);
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/// <summary>
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/// 获取窗口的父窗口句柄
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/// </summary>
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/// <param name="hWnd"></param>
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/// <returns></returns>
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[DllImport("user32.dll")]
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public static extern IntPtr GetParent(IntPtr hWnd);
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[DllImport("user32.dll")]
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public static extern bool IsWindowVisible(IntPtr hWnd);
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[DllImport("user32.dll")]
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public static extern int GetClassName(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
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[DllImport("user32.dll")]
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public static extern void SwitchToThisWindow(IntPtr hWnd, bool fAltTab);
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[DllImport("user32.dll")]
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public static extern bool GetWindowRect(IntPtr hWnd, ref LPRECT rect);
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// Import GetDC and ReleaseDC functions from user32.dll
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[DllImport("user32.dll")]
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public static extern IntPtr GetDC(IntPtr hWnd);
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[DllImport("gdi32.dll")]
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public static extern int GetDeviceCaps(IntPtr hdc, int nIndex);
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[StructLayout(LayoutKind.Sequential)]
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public readonly struct LPRECT
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{
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public readonly int Left;
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public readonly int Top;
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public readonly int Right;
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public readonly int Bottom;
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}
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private const int GWL_STYLE = -16;
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private const int WS_MAXIMIZEBOX = 0x10000;
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public static void DisableMaxWindow(Window window)
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{
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var hwnd = new WindowInteropHelper(window).Handle;
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var value = GetWindowLong(hwnd, GWL_STYLE);
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SetWindowLong(hwnd, GWL_STYLE, (int)(value & ~WS_MAXIMIZEBOX));
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}
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/// <summary>
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/// 获取 Win32 窗口的一些基本信息。
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/// </summary>
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public struct WindowInfo
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{
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public WindowInfo(IntPtr hWnd, string className, string title, bool isVisible, Rectangle bounds) : this()
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{
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Hwnd = hWnd;
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ClassName = className;
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Title = title;
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IsVisible = isVisible;
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Bounds = bounds;
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}
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/// <summary>
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/// 获取窗口句柄。
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/// </summary>
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public IntPtr Hwnd { get; }
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/// <summary>
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/// 获取窗口类名。
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/// </summary>
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public string ClassName { get; }
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/// <summary>
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/// 获取窗口标题。
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/// </summary>
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public string Title { get; }
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/// <summary>
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/// 获取当前窗口是否可见。
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/// </summary>
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public bool IsVisible { get; }
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/// <summary>
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/// 获取窗口当前的位置和尺寸。
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/// </summary>
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public Rectangle Bounds { get; }
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/// <summary>
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/// 获取窗口当前是否是最小化的。
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/// </summary>
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public bool IsMinimized => Bounds.Left == -32000 && Bounds.Top == -32000;
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}
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/// <summary>
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/// 遍历窗体处理的函数
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/// </summary>
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/// <param name="hWnd"></param>
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/// <param name="lparam"></param>
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/// <returns></returns>
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private static bool OnWindowEnum(IntPtr hWnd, int lparam)
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{
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// 仅查找顶层窗口。
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//if (GetParent(hWnd) == IntPtr.Zero)
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//{
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// 获取窗口类名。
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var lpString = new StringBuilder(512);
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GetClassName(hWnd, lpString, lpString.Capacity);
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var className = lpString.ToString();
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// 获取窗口标题。
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var lptrString = new StringBuilder(512);
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GetWindowText(hWnd, lptrString, lptrString.Capacity);
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var title = lptrString.ToString().Trim();
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// 获取窗口可见性。
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var isVisible = IsWindowVisible(hWnd);
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// 获取窗口位置和尺寸。
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LPRECT rect = default;
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GetWindowRect(hWnd, ref rect);
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var bounds = new Rectangle(rect.Left, rect.Top, rect.Right - rect.Left, rect.Bottom - rect.Top);
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// 添加到已找到的窗口列表。
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windowList.Add(new WindowInfo(hWnd, className, title, isVisible, bounds));
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//}
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return true;
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}
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/// <summary>
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/// 默认的查找窗口的过滤条件。可见 + 非最小化 + 包含窗口标题。
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/// </summary>
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private static readonly Predicate<WindowInfo> DefaultPredicate = x => x.IsVisible && !x.IsMinimized && x.Title.Length > 0;
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/// <summary>
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/// 窗体列表
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/// </summary>
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private static List<WindowInfo> windowList;
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/// <summary>
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/// 查找当前用户空间下所有符合条件的(顶层)窗口。如果不指定条件，将仅查找可见且有标题栏的窗口。
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/// </summary>
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/// <param name="match">过滤窗口的条件。如果设置为 null，将仅查找可见和标题栏不为空的窗口。</param>
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/// <returns>找到的所有窗口信息</returns>
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public static IReadOnlyList<WindowInfo> FindAllWindows(Predicate<WindowInfo> match = null)
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{
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windowList = new List<WindowInfo>();
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//遍历窗口并查找窗口相关WindowInfo信息
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EnumWindows(OnWindowEnum, 0);
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return windowList;
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}
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public static void SetOwner(Window window, Window parentWindow)
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{
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SetOwner(window, new WindowInteropHelper(parentWindow).Handle);
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}
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public static void SetOwner(Window window, IntPtr parentHandle)
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{
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WindowInteropHelper helper = new WindowInteropHelper(window);
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helper.Owner = parentHandle;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="window"></param>
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/// <returns></returns>
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public static bool WindowIsTop(Window window)
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{
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IntPtr handle = new WindowInteropHelper(window).Handle;
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IntPtr deskHandle = GetDesktopHandle(window, DesktopLayer.Progman);
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IntPtr topHandle = GetForegroundWindow();
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//暂时不能正确获取桌面handle 但发现焦点在桌面时 window title为空
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string windowTitle = GetWindowTitle(topHandle);
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return topHandle.Equals(handle) || topHandle.Equals(deskHandle) || string.IsNullOrEmpty(windowTitle);
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}
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private static string GetWindowTitle(IntPtr handle)
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{
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const int nChars = 256;
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StringBuilder Buff = new StringBuilder(nChars);
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if (GetWindowText(handle, Buff, nChars) > 0)
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{
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return Buff.ToString();
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}
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return null;
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}
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public const int GW_CHILD = 5;
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public static IntPtr GetDesktopHandle(Window window, DesktopLayer layer)
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{
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HandleRef hWnd;
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IntPtr hDesktop = new IntPtr();
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switch (layer)
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{
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case DesktopLayer.Progman:
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hDesktop = FindWindow("Progman", null);//第一层桌面
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break;
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case DesktopLayer.SHELLDLL:
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hDesktop = FindWindow("Progman", null);//第一层桌面
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hWnd = new HandleRef(window, hDesktop);
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hDesktop = GetWindow(hWnd, GW_CHILD);//第2层桌面
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break;
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case DesktopLayer.FolderView:
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hDesktop = FindWindow("Progman", null);//第一层桌面
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hWnd = new HandleRef(window, hDesktop);
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hDesktop = GetWindow(hWnd, GW_CHILD);//第2层桌面
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hWnd = new HandleRef(window, hDesktop);
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hDesktop = GetWindow(hWnd, GW_CHILD);//第3层桌面
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hWnd = new HandleRef(window, hDesktop);
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hDesktop = GetWindow(hWnd, GW_CHILD);//第4层桌面
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break;
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}
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return hDesktop;
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}
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}
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public enum DesktopLayer
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{
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Progman = 0,
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SHELLDLL = 1,
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FolderView = 2
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}
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}
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