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107 lines
3.8 KiB
C#
107 lines
3.8 KiB
C#
// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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// Code forked from Betsegaw Tadele's https://github.com/betsegaw/windowwalker/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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namespace Microsoft.Plugin.WindowWalker.Components
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{
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/// <summary>
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/// Class that represents the state of the desktops windows
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/// </summary>
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internal class OpenWindows
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{
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/// <summary>
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/// PowerLauncher main executable
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/// </summary>
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private static readonly string _powerLauncherExe = Path.GetFileName(Process.GetCurrentProcess().MainModule.FileName);
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/// <summary>
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/// List of all the open windows
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/// </summary>
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private readonly List<Window> windows = new List<Window>();
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/// <summary>
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/// An instance of the class OpenWindows
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/// </summary>
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private static OpenWindows instance;
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/// <summary>
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/// Gets the list of all open windows
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/// </summary>
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public List<Window> Windows
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{
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get { return new List<Window>(windows); }
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}
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/// <summary>
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/// Gets an instance property of this class that makes sure that
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/// the first instance gets created and that all the requests
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/// end up at that one instance
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/// </summary>
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public static OpenWindows Instance
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{
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get
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{
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if (instance == null)
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{
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instance = new OpenWindows();
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}
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return instance;
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}
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="OpenWindows"/> class.
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/// Private constructor to make sure there is never
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/// more than one instance of this class
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/// </summary>
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private OpenWindows()
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{
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}
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/// <summary>
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/// Updates the list of open windows
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/// </summary>
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public void UpdateOpenWindowsList()
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{
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windows.Clear();
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NativeMethods.CallBackPtr callbackptr = new NativeMethods.CallBackPtr(WindowEnumerationCallBack);
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_ = NativeMethods.EnumWindows(callbackptr, 0);
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}
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/// <summary>
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/// Call back method for window enumeration
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/// </summary>
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/// <param name="hwnd">The handle to the current window being enumerated</param>
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/// <param name="lParam">Value being passed from the caller (we don't use this but might come in handy
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/// in the future</param>
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/// <returns>true to make sure to continue enumeration</returns>
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public bool WindowEnumerationCallBack(IntPtr hwnd, IntPtr lParam)
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{
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Window newWindow = new Window(hwnd);
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if (newWindow.IsWindow && newWindow.Visible && newWindow.IsOwner &&
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(!newWindow.IsToolWindow || newWindow.IsAppWindow) && !newWindow.TaskListDeleted &&
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newWindow.ClassName != "Windows.UI.Core.CoreWindow" && newWindow.ProcessInfo.Name != _powerLauncherExe)
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{
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// To hide (not add) preloaded uwp app windows that are invisible to the user we check the cloak state in DWM to be "none". (Issue #13637.)
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// (If user asking to see these windows again we can add an optional plugin setting in the future.)
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// [@htcfreek, 2022-02-01: Removed the IsCloaked check to list windows from virtual desktops other than the current one again (#15887). In a second PR I will fix it re-implement it with improved code again.]
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// if (!newWindow.IsCloaked)
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// {
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windows.Add(newWindow);
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// }
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}
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return true;
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}
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}
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}
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