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[New Utility]Mouse Without Borders
* Integrate Mouse Without Borders into PowerToys --------- Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>
This commit is contained in:
Andrey Nekrasov
committed by
Jaime Bernardo
Jaime Bernardo
parent
a0b9af039d
commit
29eebe16a4
705
src/modules/MouseWithoutBorders/App/Class/InputHook.cs
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705
src/modules/MouseWithoutBorders/App/Class/InputHook.cs
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@@ -0,0 +1,705 @@
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// 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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// <summary>
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// Keyboard/Mouse hook callbacks, pre-process before calling to routines in Common.Event.
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// </summary>
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// <history>
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// 2008 created by Truong Do (ductdo).
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// 2009-... modified by Truong Do (TruongDo).
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// 2023- Included in PowerToys.
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// </history>
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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[module: SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes", Scope = "member", Target = "MouseWithoutBorders.InputHook.#MouseHookProc(System.Int32,System.Int32,System.IntPtr)", Justification = "Dotnet port with style preservation")]
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[module: SuppressMessage("Microsoft.Maintainability", "CA1502:AvoidExcessiveComplexity", Scope = "member", Target = "MouseWithoutBorders.InputHook.#ProcessKeyEx(System.Int32,System.Int32)", Justification = "Dotnet port with style preservation")]
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[module: SuppressMessage("Microsoft.Globalization", "CA1300:SpecifyMessageBoxOptions", Scope = "member", Target = "MouseWithoutBorders.InputHook.#Start()", Justification = "Dotnet port with style preservation")]
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namespace MouseWithoutBorders.Class
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{
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internal class InputHook
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{
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internal delegate void MouseEvHandler(MOUSEDATA e, int dx, int dy);
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internal delegate void KeybdEvHandler(KEYBDDATA e);
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[StructLayout(LayoutKind.Sequential)]
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private struct MouseHookStruct
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{
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internal NativeMethods.POINT Pt;
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internal int Hwnd;
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internal int WHitTestCode;
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internal int DwExtraInfo;
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}
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// http://msdn.microsoft.com/en-us/library/ms644970(VS.85).aspx
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[StructLayout(LayoutKind.Sequential)]
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private struct MouseLLHookStruct
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{
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internal NativeMethods.POINT Pt;
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internal int MouseData;
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internal int Flags;
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internal int Time;
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internal int DwExtraInfo;
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}
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[StructLayout(LayoutKind.Sequential)]
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private struct KeyboardHookStruct
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{
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internal int VkCode;
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internal int ScanCode;
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internal int Flags;
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internal int Time;
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internal int DwExtraInfo;
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}
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internal event MouseEvHandler MouseEvent;
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internal event KeybdEvHandler KeyboardEvent;
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private int hMouseHook;
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private int hKeyboardHook;
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private static NativeMethods.HookProc mouseHookProcedure;
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private static NativeMethods.HookProc keyboardHookProcedure;
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private static MouseLLHookStruct mouseHookStruct;
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private static KeyboardHookStruct keyboardHookStruct;
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private static MOUSEDATA hookCallbackMouseData;
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private static KEYBDDATA hookCallbackKeybdData;
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private static bool winDown;
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private static bool altDown;
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private static bool shiftDown;
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internal static bool RealData { get; set; } = true;
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internal static int SkipMouseUpCount { get; set; }
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internal static bool SkipMouseUpDown { get; set; }
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internal static bool CtrlDown { get; private set; }
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internal static bool EasyMouseKeyDown { get; set; }
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internal InputHook()
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{
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Start();
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}
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~InputHook()
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{
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Stop();
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}
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internal void Start()
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{
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int le;
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bool er = false;
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// Install Mouse Hook
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mouseHookProcedure = new NativeMethods.HookProc(MouseHookProc);
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hMouseHook = NativeMethods.SetWindowsHookEx(
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Common.WH_MOUSE_LL,
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mouseHookProcedure,
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Marshal.GetHINSTANCE(
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Assembly.GetExecutingAssembly().GetModules()[0]),
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0);
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if (hMouseHook == 0)
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{
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le = Marshal.GetLastWin32Error();
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Common.Log("Error installing Mouse hook: " + le.ToString(CultureInfo.CurrentCulture));
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er = true;
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Stop();
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}
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// Install Keyboard Hook
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keyboardHookProcedure = new NativeMethods.HookProc(KeyboardHookProc);
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hKeyboardHook = NativeMethods.SetWindowsHookEx(
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Common.WH_KEYBOARD_LL,
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keyboardHookProcedure,
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Marshal.GetHINSTANCE(
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Assembly.GetExecutingAssembly().GetModules()[0]),
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0);
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if (hKeyboardHook == 0)
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{
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le = Marshal.GetLastWin32Error();
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Common.Log("Error installing keyboard hook: " + le.ToString(CultureInfo.CurrentCulture));
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er = true;
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Stop();
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}
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if (er)
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{
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if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
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{
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_ = MessageBox.Show(
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"Error installing keyboard/Mouse hook!",
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Application.ProductName,
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MessageBoxButtons.OK,
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MessageBoxIcon.Error);
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}
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}
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else
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{
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Common.InitLastInputEventCount();
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}
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}
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internal void Stop()
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{
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if (hMouseHook != 0)
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{
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int retMouse = NativeMethods.UnhookWindowsHookEx(hMouseHook);
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hMouseHook = 0;
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if (retMouse == 0)
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{
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int errorCode = Marshal.GetLastWin32Error();
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// throw new Win32Exception(errorCode);
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Common.Log("Exception uninstalling Mouse hook, error code: " + errorCode.ToString(CultureInfo.CurrentCulture));
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}
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}
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if (hKeyboardHook != 0)
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{
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int retKeyboard = NativeMethods.UnhookWindowsHookEx(hKeyboardHook);
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hKeyboardHook = 0;
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if (retKeyboard == 0)
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{
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int errorCode = Marshal.GetLastWin32Error();
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// throw new Win32Exception(errorCode);
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Common.Log("Exception uninstalling keyboard hook, error code: " + errorCode.ToString(CultureInfo.CurrentCulture));
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}
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}
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}
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// Better performance, compared to Marshal.PtrToStructure.
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private static MouseLLHookStruct LParamToMouseLLHookStruct(IntPtr lParam)
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{
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unsafe
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{
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return *(MouseLLHookStruct*)lParam;
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}
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}
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private static KeyboardHookStruct LParamToKeyboardHookStruct(IntPtr lParam)
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{
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unsafe
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{
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return *(KeyboardHookStruct*)lParam;
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}
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}
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private int MouseHookProc(int nCode, int wParam, IntPtr lParam)
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{
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int rv = 1, dx = 0, dy = 0;
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bool local = false;
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Common.InputEventCount++;
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try
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{
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if (!RealData)
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{
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RealData = true;
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// Common.Log("MouseHookProc: Not real data!");
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// return rv;
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rv = NativeMethods.CallNextHookEx(hMouseHook, nCode, wParam, lParam);
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}
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else
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{
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Common.RealInputEventCount++;
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if (Common.NewDesMachineID == Common.MachineID || Common.NewDesMachineID == ID.ALL)
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{
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local = true;
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if (Common.MainFormVisible && !Common.IsDropping)
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{
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Common.MainFormDot();
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}
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}
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if (nCode >= 0 && MouseEvent != null)
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{
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if (wParam == Common.WM_LBUTTONUP && SkipMouseUpCount > 0)
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{
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Common.LogDebug($"{nameof(SkipMouseUpCount)}: {SkipMouseUpCount}.");
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SkipMouseUpCount--;
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rv = NativeMethods.CallNextHookEx(hMouseHook, nCode, wParam, lParam);
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return rv;
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}
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if ((wParam == Common.WM_LBUTTONUP || wParam == Common.WM_LBUTTONDOWN) && SkipMouseUpDown)
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{
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rv = NativeMethods.CallNextHookEx(hMouseHook, nCode, wParam, lParam);
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return rv;
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}
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mouseHookStruct = LParamToMouseLLHookStruct(lParam);
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hookCallbackMouseData.dwFlags = wParam;
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// Use WheelDelta to store XBUTTON1/XBUTTON2 data.
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hookCallbackMouseData.WheelDelta = (short)((mouseHookStruct.MouseData >> 16) & 0xffff);
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if (local)
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{
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hookCallbackMouseData.X = mouseHookStruct.Pt.x;
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hookCallbackMouseData.Y = mouseHookStruct.Pt.y;
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if (Setting.Values.DrawMouse && Common.MouseCursorForm != null)
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{
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CustomCursor.ShowFakeMouseCursor(int.MinValue, int.MinValue);
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}
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}
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else
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{
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if (Common.SwitchLocation.Count > 0 && Common.NewDesMachineID != Common.MachineID && Common.NewDesMachineID != ID.ALL)
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{
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Common.SwitchLocation.Count--;
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if (Common.SwitchLocation.X > Common.XY_BY_PIXEL - 100000 || Common.SwitchLocation.Y > Common.XY_BY_PIXEL - 100000)
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{
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hookCallbackMouseData.X = Common.SwitchLocation.X - Common.XY_BY_PIXEL;
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hookCallbackMouseData.Y = Common.SwitchLocation.Y - Common.XY_BY_PIXEL;
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}
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else
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{
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hookCallbackMouseData.X = (Common.SwitchLocation.X * Common.ScreenWidth / 65535) + Common.PrimaryScreenBounds.Left;
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hookCallbackMouseData.Y = (Common.SwitchLocation.Y * Common.ScreenHeight / 65535) + Common.PrimaryScreenBounds.Top;
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}
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Common.HideMouseCursor(false);
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}
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else
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{
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dx = mouseHookStruct.Pt.x - Common.LastPos.X;
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dy = mouseHookStruct.Pt.y - Common.LastPos.Y;
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hookCallbackMouseData.X += dx;
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hookCallbackMouseData.Y += dy;
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if (hookCallbackMouseData.X < Common.PrimaryScreenBounds.Left)
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{
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hookCallbackMouseData.X = Common.PrimaryScreenBounds.Left - 1;
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}
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else if (hookCallbackMouseData.X > Common.PrimaryScreenBounds.Right)
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{
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hookCallbackMouseData.X = Common.PrimaryScreenBounds.Right + 1;
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}
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if (hookCallbackMouseData.Y < Common.PrimaryScreenBounds.Top)
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{
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hookCallbackMouseData.Y = Common.PrimaryScreenBounds.Top - 1;
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}
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else if (hookCallbackMouseData.Y > Common.PrimaryScreenBounds.Bottom)
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{
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hookCallbackMouseData.Y = Common.PrimaryScreenBounds.Bottom + 1;
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}
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dx += dx < 0 ? -Common.MOVE_MOUSE_RELATIVE : Common.MOVE_MOUSE_RELATIVE;
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dy += dy < 0 ? -Common.MOVE_MOUSE_RELATIVE : Common.MOVE_MOUSE_RELATIVE;
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}
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}
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MouseEvent(hookCallbackMouseData, dx, dy);
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Common.DragDropStep01(wParam);
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Common.DragDropStep09(wParam);
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}
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if (local)
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{
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rv = NativeMethods.CallNextHookEx(hMouseHook, nCode, wParam, lParam);
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}
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}
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}
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catch (Exception e)
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{
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Common.Log(e);
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rv = NativeMethods.CallNextHookEx(hMouseHook, nCode, wParam, lParam);
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}
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return rv;
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}
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private int KeyboardHookProc(int nCode, int wParam, IntPtr lParam)
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{
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Common.InputEventCount++;
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if (!RealData)
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{
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return NativeMethods.CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);
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}
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Common.RealInputEventCount++;
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keyboardHookStruct = LParamToKeyboardHookStruct(lParam);
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hookCallbackKeybdData.dwFlags = keyboardHookStruct.Flags;
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hookCallbackKeybdData.wVk = (short)keyboardHookStruct.VkCode;
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if (nCode >= 0 && KeyboardEvent != null)
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{
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if (!ProcessKeyEx(keyboardHookStruct.VkCode, keyboardHookStruct.Flags, hookCallbackKeybdData))
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{
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return 1;
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}
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KeyboardEvent(hookCallbackKeybdData);
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}
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if (Common.DesMachineID == ID.NONE || Common.DesMachineID == ID.ALL || Common.DesMachineID == Common.MachineID)
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{
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if (nCode >= 0 && Setting.Values.UseVKMap && Setting.Values.VKMap != null && Setting.Values.VKMap.ContainsKey(hookCallbackKeybdData.wVk) && !CtrlDown)
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{
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InputSimulation.SendKey(hookCallbackKeybdData);
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return 1;
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}
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else
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{
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return NativeMethods.CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);
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}
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}
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else
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{
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return 1;
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}
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}
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// Returns false if we do not want to redirect the keystrokes to other machine(s).
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private int ctrlTouchesDnIndex;
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private int ctrlTouchesUpIndex = 1;
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private const int CONTROL_TOUCH = 4;
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private readonly long[] ctrlTouches = new long[CONTROL_TOUCH];
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private bool ProcessKeyEx(int vkCode, int flags, KEYBDDATA hookCallbackKeybdData)
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{
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bool allTouched;
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if ((flags & (int)Common.LLKHF.UP) == (int)Common.LLKHF.UP)
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{
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EasyMouseKeyDown = false;
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switch ((VK)vkCode)
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{
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case VK.LWIN:
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case VK.RWIN:
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winDown = false;
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break;
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case VK.LCONTROL:
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case VK.RCONTROL:
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CtrlDown = false;
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if (Setting.Values.HotKeySwitch2AllPC == 1)
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{
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ctrlTouches[ctrlTouchesUpIndex] = Common.GetTick();
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ctrlTouchesUpIndex = ((ctrlTouchesUpIndex % CONTROL_TOUCH) + 2) % CONTROL_TOUCH;
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}
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break;
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case VK.LMENU:
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case VK.RMENU:
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altDown = false;
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break;
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case VK.LSHIFT:
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shiftDown = false;
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break;
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default:
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break;
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}
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}
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else
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{
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UpdateEasyMouseKeyDown((VK)vkCode);
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switch ((VK)vkCode)
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{
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case VK.LWIN:
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case VK.RWIN:
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winDown = true;
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break;
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case VK.LCONTROL:
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case VK.RCONTROL:
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Common.LogDebug("VK.RCONTROL");
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CtrlDown = true;
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if (Setting.Values.HotKeySwitch2AllPC == 1)
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{
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ctrlTouches[ctrlTouchesDnIndex] = Common.GetTick();
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ctrlTouchesDnIndex = (ctrlTouchesDnIndex + 2) % CONTROL_TOUCH;
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}
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allTouched = true;
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for (int i = 0; i < CONTROL_TOUCH; i++)
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{
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if (ctrlTouches[i] == 0 || Common.GetTick() - ctrlTouches[i] > 400)
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{
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allTouched = false;
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break;
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}
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}
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if (allTouched && Common.GetTick() - Common.JustGotAKey > 1000)
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{
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ResetLastSwitchKeys();
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Common.SwitchToMultipleMode(Common.DesMachineID != ID.ALL, true);
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}
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break;
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case VK.LMENU:
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case VK.RMENU:
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altDown = true;
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break;
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case VK.LSHIFT:
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shiftDown = true;
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break;
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case VK.DELETE:
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if (CtrlDown && altDown)
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{
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CtrlDown = altDown = false;
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KeyboardEvent(hookCallbackKeybdData);
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if (Common.DesMachineID != ID.ALL)
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{
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Common.SwitchToMachine(Common.MachineName.Trim());
|
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}
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/*
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#if CUSTOMIZE_LOGON_SCREEN
|
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Common.DoSomethingInUIThread(delegate()
|
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{
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Common.MainForm.LoadNewLogonBackground();
|
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});
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#endif
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* */
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}
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break;
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case (VK)'L':
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if (winDown)
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{
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winDown = false;
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if (Common.DesMachineID != ID.ALL)
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{
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KeyboardEvent(hookCallbackKeybdData);
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Common.SwitchToMachine(Common.MachineName.Trim());
|
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}
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}
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else
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{
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return ProcessHotKeys(vkCode, hookCallbackKeybdData);
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}
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break;
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case VK.ESCAPE:
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if (Common.IsTopMostMessageNotNull())
|
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{
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Common.HideTopMostMessage();
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}
|
||||
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break;
|
||||
|
||||
default:
|
||||
Common.LogDebug("X");
|
||||
return ProcessHotKeys(vkCode, hookCallbackKeybdData);
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private void UpdateEasyMouseKeyDown(VK vkCode)
|
||||
{
|
||||
EasyMouseOption easyMouseOption = (EasyMouseOption)Setting.Values.EasyMouse;
|
||||
|
||||
EasyMouseKeyDown = (easyMouseOption == EasyMouseOption.Ctrl && (vkCode == VK.LCONTROL || vkCode == VK.RCONTROL))
|
||||
|| (easyMouseOption == EasyMouseOption.Shift && (vkCode == VK.LSHIFT || vkCode == VK.RSHIFT));
|
||||
}
|
||||
|
||||
private static long lastHotKeyLockMachine;
|
||||
|
||||
private bool ProcessHotKeys(int vkCode, KEYBDDATA hookCallbackKeybdData)
|
||||
{
|
||||
if (vkCode == Setting.Values.HotKeyCaptureScreen && CtrlDown && shiftDown && !altDown &&
|
||||
(Common.DesMachineID == Common.MachineID || Common.DesMachineID == ID.ALL))
|
||||
{
|
||||
CtrlDown = shiftDown = false;
|
||||
|
||||
if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
|
||||
{
|
||||
Common.PrepareScreenCapture();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if (CtrlDown && altDown)
|
||||
{
|
||||
if (shiftDown && vkCode == Setting.Values.HotKeyExitMM &&
|
||||
(Common.DesMachineID == Common.MachineID || Common.DesMachineID == ID.ALL))
|
||||
{
|
||||
Common.DoSomethingInUIThread(() =>
|
||||
{
|
||||
Common.MainForm.NotifyIcon.Visible = false;
|
||||
|
||||
for (int i = 1; i < 10; i++)
|
||||
{
|
||||
Application.DoEvents();
|
||||
Thread.Sleep(20);
|
||||
}
|
||||
|
||||
Common.MainForm.Quit(false, false);
|
||||
});
|
||||
}
|
||||
else if (vkCode == Setting.Values.HotKeySwitchMachine ||
|
||||
vkCode == Setting.Values.HotKeySwitchMachine + 1 ||
|
||||
vkCode == Setting.Values.HotKeySwitchMachine + 2 ||
|
||||
vkCode == Setting.Values.HotKeySwitchMachine + 3)
|
||||
{
|
||||
if (Switch2(vkCode - Setting.Values.HotKeySwitchMachine))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else if (vkCode == Setting.Values.HotKeyLockMachine)
|
||||
{
|
||||
if (!Common.RunOnLogonDesktop
|
||||
&& !Common.RunOnScrSaverDesktop)
|
||||
{
|
||||
if (Common.GetTick() - lastHotKeyLockMachine < 500)
|
||||
{
|
||||
Common.SwitchToMultipleMode(true, true);
|
||||
|
||||
hookCallbackKeybdData.wVk = (short)VK.LCONTROL;
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
hookCallbackKeybdData.wVk = (short)VK.LMENU;
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
hookCallbackKeybdData.wVk = vkCode;
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
|
||||
hookCallbackKeybdData.dwFlags |= (int)Common.LLKHF.UP;
|
||||
|
||||
hookCallbackKeybdData.wVk = (short)VK.LCONTROL;
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
hookCallbackKeybdData.wVk = (short)VK.LMENU;
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
hookCallbackKeybdData.wVk = vkCode;
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
|
||||
Common.SwitchToMultipleMode(false, true);
|
||||
|
||||
_ = NativeMethods.LockWorkStation();
|
||||
}
|
||||
else
|
||||
{
|
||||
KeyboardEvent(hookCallbackKeybdData);
|
||||
}
|
||||
|
||||
lastHotKeyLockMachine = Common.GetTick();
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else if (vkCode == Setting.Values.HotKeyReconnect)
|
||||
{
|
||||
Common.ShowToolTip("Reconnecting...", 2000);
|
||||
Common.LastReconnectByHotKeyTime = Common.GetTick();
|
||||
Common.PleaseReopenSocket = Common.REOPEN_WHEN_HOTKEY;
|
||||
return false;
|
||||
}
|
||||
else if (vkCode == Setting.Values.HotKeySwitch2AllPC)
|
||||
{
|
||||
Common.SwitchToMultipleMode(Common.DesMachineID != ID.ALL, true);
|
||||
return false;
|
||||
}
|
||||
else if (vkCode == Setting.Values.HotKeyToggleEasyMouse)
|
||||
{
|
||||
if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
|
||||
{
|
||||
EasyMouseOption easyMouseOption = (EasyMouseOption)Setting.Values.EasyMouse;
|
||||
|
||||
if (easyMouseOption is EasyMouseOption.Disable or EasyMouseOption.Enable)
|
||||
{
|
||||
Setting.Values.EasyMouse = (int)(easyMouseOption == EasyMouseOption.Disable ? EasyMouseOption.Enable : EasyMouseOption.Disable);
|
||||
|
||||
Common.ShowToolTip($"Easy Mouse has been toggled to [{(EasyMouseOption)Setting.Values.EasyMouse}] by a hotkey. You can change the hotkey in the Settings form.", 5000);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (shiftDown && Setting.Values.VKMap != null && vkCode == (Setting.Values.VKMap.ContainsKey(0) ? (int)Setting.Values.VKMap[0] : 'K'))
|
||||
{
|
||||
if (Common.DesMachineID == Common.MachineID || Common.DesMachineID == ID.ALL)
|
||||
{
|
||||
Setting.Values.UseVKMap = !Setting.Values.UseVKMap;
|
||||
return Common.DesMachineID == ID.ALL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private static bool Switch2(int index)
|
||||
{
|
||||
if (Common.MachineMatrix != null && Common.MachineMatrix.Length > index)
|
||||
{
|
||||
string mcName = Common.MachineMatrix[index].Trim();
|
||||
if (!string.IsNullOrEmpty(mcName))
|
||||
{
|
||||
// Common.DoSomethingInUIThread(delegate()
|
||||
{
|
||||
Common.ReleaseAllKeys();
|
||||
}
|
||||
|
||||
// );
|
||||
Common.SwitchToMachine(mcName);
|
||||
|
||||
if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
|
||||
{
|
||||
Common.ShowToolTip(
|
||||
string.Format(
|
||||
CultureInfo.CurrentCulture,
|
||||
"Control has been switched to {0} by the hotkey Ctrl+Alt+{1}{2}",
|
||||
mcName,
|
||||
Setting.Values.HotKeySwitchMachine == (int)VK.F1 ? "F" : string.Empty,
|
||||
index + 1),
|
||||
3000);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
internal void ResetLastSwitchKeys()
|
||||
{
|
||||
for (int i = 0; i < CONTROL_TOUCH; i++)
|
||||
{
|
||||
ctrlTouches[i] = 0;
|
||||
}
|
||||
|
||||
CtrlDown = winDown = altDown = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user