| 1 | /* |
| 2 | * This file is part of the libCEC(R) library. |
| 3 | * |
| 4 | * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved. |
| 5 | * libCEC(R) is an original work, containing original code. |
| 6 | * |
| 7 | * libCEC(R) is a trademark of Pulse-Eight Limited. |
| 8 | * |
| 9 | * This program is dual-licensed; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 22 | * |
| 23 | * |
| 24 | * Alternatively, you can license this library under a commercial license, |
| 25 | * please contact Pulse-Eight Licensing for more information. |
| 26 | * |
| 27 | * For more information contact: |
| 28 | * Pulse-Eight Licensing <license@pulse-eight.com> |
| 29 | * http://www.pulse-eight.com/ |
| 30 | * http://www.pulse-eight.net/ |
| 31 | */ |
| 32 | |
| 33 | using System; |
| 34 | using System.Runtime.InteropServices; |
| 35 | using System.Diagnostics; |
| 36 | using System.Reflection; |
| 37 | using LibCECTray.Properties; |
| 38 | |
| 39 | namespace LibCECTray.controller.applications |
| 40 | { |
| 41 | /// <summary> |
| 42 | /// Windows API methods and types |
| 43 | /// </summary> |
| 44 | internal class WindowsAPI |
| 45 | { |
| 46 | #region Types |
| 47 | public enum VirtualKeyCode : ushort |
| 48 | { |
| 49 | VK_LBUTTON = 0x01, |
| 50 | VK_RBUTTON = 0x02, |
| 51 | VK_CANCEL = 0x03, |
| 52 | VK_MBUTTON = 0x04, |
| 53 | VK_XBUTTON1 = 0x05, |
| 54 | VK_XBUTTON2 = 0x06, |
| 55 | VK_BACK = 0x08, |
| 56 | VK_TAB = 0x09, |
| 57 | VK_CLEAR = 0x0C, |
| 58 | VK_RETURN = 0x0D, |
| 59 | VK_SHIFT = 0x10, |
| 60 | VK_CONTROL = 0x11, |
| 61 | VK_MENU = 0x12, |
| 62 | VK_PAUSE = 0x13, |
| 63 | VK_CAPITAL = 0x14, |
| 64 | VK_KANA = 0x15, |
| 65 | VK_HANGEUL = 0x15, |
| 66 | VK_HANGUL = 0x15, |
| 67 | VK_JUNJA = 0x17, |
| 68 | VK_FINAL = 0x18, |
| 69 | VK_HANJA = 0x19, |
| 70 | VK_KANJI = 0x19, |
| 71 | VK_ESCAPE = 0x1B, |
| 72 | VK_CONVERT = 0x1C, |
| 73 | VK_NONCONVERT = 0x1D, |
| 74 | VK_ACCEPT = 0x1E, |
| 75 | VK_MODECHANGE = 0x1F, |
| 76 | VK_SPACE = 0x20, |
| 77 | VK_PRIOR = 0x21, |
| 78 | VK_NEXT = 0x22, |
| 79 | VK_END = 0x23, |
| 80 | VK_HOME = 0x24, |
| 81 | VK_LEFT = 0x25, |
| 82 | VK_UP = 0x26, |
| 83 | VK_RIGHT = 0x27, |
| 84 | VK_DOWN = 0x28, |
| 85 | VK_SELECT = 0x29, |
| 86 | VK_PRINT = 0x2A, |
| 87 | VK_EXECUTE = 0x2B, |
| 88 | VK_SNAPSHOT = 0x2C, |
| 89 | VK_INSERT = 0x2D, |
| 90 | VK_DELETE = 0x2E, |
| 91 | VK_HELP = 0x2F, |
| 92 | VK_0 = 0x30, |
| 93 | VK_1 = 0x31, |
| 94 | VK_2 = 0x32, |
| 95 | VK_3 = 0x33, |
| 96 | VK_4 = 0x34, |
| 97 | VK_5 = 0x35, |
| 98 | VK_6 = 0x36, |
| 99 | VK_7 = 0x37, |
| 100 | VK_8 = 0x38, |
| 101 | VK_9 = 0x39, |
| 102 | VK_B = 0x42, |
| 103 | VK_C = 0x43, |
| 104 | VK_D = 0x44, |
| 105 | VK_E = 0x45, |
| 106 | VK_F = 0x46, |
| 107 | VK_G = 0x47, |
| 108 | VK_H = 0x48, |
| 109 | VK_I = 0x49, |
| 110 | VK_J = 0x4A, |
| 111 | VK_K = 0x4B, |
| 112 | VK_L = 0x4C, |
| 113 | VK_M = 0x4D, |
| 114 | VK_N = 0x4E, |
| 115 | VK_O = 0x4F, |
| 116 | VK_P = 0x50, |
| 117 | VK_Q = 0x51, |
| 118 | VK_R = 0x52, |
| 119 | VK_S = 0x53, |
| 120 | VK_T = 0x54, |
| 121 | VK_U = 0x55, |
| 122 | VK_V = 0x56, |
| 123 | VK_W = 0x57, |
| 124 | VK_X = 0x58, |
| 125 | VK_Y = 0x59, |
| 126 | VK_Z = 0x5A, |
| 127 | VK_LWIN = 0x5B, |
| 128 | VK_RWIN = 0x5C, |
| 129 | VK_APPS = 0x5D, |
| 130 | VK_SLEEP = 0x5F, |
| 131 | VK_NUMPAD0 = 0x60, |
| 132 | VK_NUMPAD1 = 0x61, |
| 133 | VK_NUMPAD2 = 0x62, |
| 134 | VK_NUMPAD3 = 0x63, |
| 135 | VK_NUMPAD4 = 0x64, |
| 136 | VK_NUMPAD5 = 0x65, |
| 137 | VK_NUMPAD6 = 0x66, |
| 138 | VK_NUMPAD7 = 0x67, |
| 139 | VK_NUMPAD8 = 0x68, |
| 140 | VK_NUMPAD9 = 0x69, |
| 141 | VK_MULTIPLY = 0x6A, |
| 142 | VK_ADD = 0x6B, |
| 143 | VK_SEPARATOR = 0x6C, |
| 144 | VK_SUBTRACT = 0x6D, |
| 145 | VK_DECIMAL = 0x6E, |
| 146 | VK_DIVIDE = 0x6F, |
| 147 | VK_F1 = 0x70, |
| 148 | VK_F2 = 0x71, |
| 149 | VK_F3 = 0x72, |
| 150 | VK_F4 = 0x73, |
| 151 | VK_F5 = 0x74, |
| 152 | VK_F6 = 0x75, |
| 153 | VK_F7 = 0x76, |
| 154 | VK_F8 = 0x77, |
| 155 | VK_F9 = 0x78, |
| 156 | VK_F10 = 0x79, |
| 157 | VK_F11 = 0x7A, |
| 158 | VK_F12 = 0x7B, |
| 159 | VK_F13 = 0x7C, |
| 160 | VK_F14 = 0x7D, |
| 161 | VK_F15 = 0x7E, |
| 162 | VK_F16 = 0x7F, |
| 163 | VK_F17 = 0x80, |
| 164 | VK_F18 = 0x81, |
| 165 | VK_F19 = 0x82, |
| 166 | VK_F20 = 0x83, |
| 167 | VK_F21 = 0x84, |
| 168 | VK_F22 = 0x85, |
| 169 | VK_F23 = 0x86, |
| 170 | VK_F24 = 0x87, |
| 171 | VK_NUMLOCK = 0x90, |
| 172 | VK_SCROLL = 0x91, |
| 173 | VK_LSHIFT = 0xA0, |
| 174 | VK_RSHIFT = 0xA1, |
| 175 | VK_LCONTROL = 0xA2, |
| 176 | VK_RCONTROL = 0xA3, |
| 177 | VK_LMENU = 0xA4, |
| 178 | VK_RMENU = 0xA5, |
| 179 | VK_BROWSER_BACK = 0xA6, |
| 180 | VK_BROWSER_FORWARD = 0xA7, |
| 181 | VK_BROWSER_REFRESH = 0xA8, |
| 182 | VK_BROWSER_STOP = 0xA9, |
| 183 | VK_BROWSER_SEARCH = 0xAA, |
| 184 | VK_BROWSER_FAVORITES = 0xAB, |
| 185 | VK_BROWSER_HOME = 0xAC, |
| 186 | VK_VOLUME_MUTE = 0xAD, |
| 187 | VK_VOLUME_DOWN = 0xAE, |
| 188 | VK_VOLUME_UP = 0xAF, |
| 189 | VK_MEDIA_NEXT_TRACK = 0xB0, |
| 190 | VK_MEDIA_PREV_TRACK = 0xB1, |
| 191 | VK_MEDIA_STOP = 0xB2, |
| 192 | VK_MEDIA_PLAY_PAUSE = 0xB3, |
| 193 | VK_LAUNCH_MAIL = 0xB4, |
| 194 | VK_LAUNCH_MEDIA_SELECT = 0xB5, |
| 195 | VK_LAUNCH_APP1 = 0xB6, |
| 196 | VK_LAUNCH_APP2 = 0xB7, |
| 197 | VK_OEM_1 = 0xBA, |
| 198 | VK_OEM_PLUS = 0xBB, |
| 199 | VK_OEM_COMMA = 0xBC, |
| 200 | VK_OEM_MINUS = 0xBD, |
| 201 | VK_OEM_PERIOD = 0xBE, |
| 202 | VK_OEM_2 = 0xBF, |
| 203 | VK_OEM_3 = 0xC0, |
| 204 | VK_OEM_4 = 0xDB, |
| 205 | VK_OEM_5 = 0xDC, |
| 206 | VK_OEM_6 = 0xDD, |
| 207 | VK_OEM_7 = 0xDE, |
| 208 | VK_OEM_8 = 0xDF, |
| 209 | VK_OEM_102 = 0xE2, |
| 210 | VK_PROCESSKEY = 0xE5, |
| 211 | VK_PACKET = 0xE7, |
| 212 | VK_ATTN = 0xF6, |
| 213 | VK_CRSEL = 0xF7, |
| 214 | VK_EXSEL = 0xF8, |
| 215 | VK_EREOF = 0xF9, |
| 216 | VK_PLAY = 0xFA, |
| 217 | VK_ZOOM = 0xFB, |
| 218 | VK_NONAME = 0xFC, |
| 219 | VK_PA1 = 0xFD, |
| 220 | VK_OEM_CLEAR = 0xFE, |
| 221 | } |
| 222 | |
| 223 | public static string GetVirtualKeyName(VirtualKeyCode key) |
| 224 | { |
| 225 | var keyName = Enum.GetName(typeof(VirtualKeyCode), key).ToUpper(); |
| 226 | var friendlyName = Resources.ResourceManager.GetString(keyName, Resources.Culture); |
| 227 | return friendlyName ?? keyName.ToLower().Substring(3).Replace('_', ' '); |
| 228 | } |
| 229 | |
| 230 | public enum InputType : uint |
| 231 | { |
| 232 | Mouse = 0, |
| 233 | Keyboard = 1, |
| 234 | Hardware = 2 |
| 235 | } |
| 236 | |
| 237 | public enum KeyEvent : uint |
| 238 | { |
| 239 | ExtendedKey = 0x0001, |
| 240 | KeyUp = 0x0002, |
| 241 | Unicode = 0x0003, |
| 242 | ScanCode = 0x0008 |
| 243 | } |
| 244 | |
| 245 | public enum XButton : uint |
| 246 | { |
| 247 | One = 0x0001, |
| 248 | Two = 0x0002 |
| 249 | } |
| 250 | |
| 251 | public enum MouseEvent : uint |
| 252 | { |
| 253 | Move = 0x0001, |
| 254 | LeftDown = 0x0002, |
| 255 | LeftUp = 0x0004, |
| 256 | RightDown = 0x0008, |
| 257 | RightUp = 0x0010, |
| 258 | MiddleDown = 0x0020, |
| 259 | Middleup = 0x0040, |
| 260 | XDown = 0x0080, |
| 261 | XUp = 0x0100, |
| 262 | Wheel = 0x0800, |
| 263 | VirtualDesk = 0x4000, |
| 264 | Absolute = 0x8000 |
| 265 | } |
| 266 | |
| 267 | public enum ShowType |
| 268 | { |
| 269 | ShowNormal = 1 |
| 270 | } |
| 271 | |
| 272 | #pragma warning disable 649 |
| 273 | public struct MouseInput |
| 274 | { |
| 275 | public Int32 X; |
| 276 | public Int32 Y; |
| 277 | public UInt32 MouseData; |
| 278 | public UInt32 Flags; |
| 279 | public UInt32 Time; |
| 280 | public IntPtr ExtraInfo; |
| 281 | } |
| 282 | public struct KeyboardInput |
| 283 | { |
| 284 | public UInt16 KeyCode; |
| 285 | public UInt16 Scan; |
| 286 | public UInt32 Flags; |
| 287 | public UInt32 Time; |
| 288 | public IntPtr ExtraInfo; |
| 289 | } |
| 290 | public struct HardwareInput |
| 291 | { |
| 292 | public UInt32 Msg; |
| 293 | public UInt16 ParamL; |
| 294 | public UInt16 ParamH; |
| 295 | } |
| 296 | |
| 297 | [StructLayout(LayoutKind.Explicit)] |
| 298 | public struct CombinedInput |
| 299 | { |
| 300 | [FieldOffset(0)] |
| 301 | public MouseInput Mouse; |
| 302 | [FieldOffset(0)] |
| 303 | public KeyboardInput Keyboard; |
| 304 | [FieldOffset(0)] |
| 305 | public HardwareInput Hardware; |
| 306 | } |
| 307 | |
| 308 | public struct Input |
| 309 | { |
| 310 | public InputType Type; |
| 311 | public CombinedInput Data; |
| 312 | } |
| 313 | #pragma warning restore 649 |
| 314 | #endregion |
| 315 | |
| 316 | #region DllImports |
| 317 | [DllImport("kernel32.dll")] |
| 318 | public static extern uint GetCurrentThreadId(); |
| 319 | |
| 320 | [DllImport("kernel32.dll", SetLastError = true)] |
| 321 | public static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, [Out] byte[] lpBuffer, |
| 322 | int dwSize, out int lpNumberOfBytesRead); |
| 323 | |
| 324 | [DllImport("user32.dll")] |
| 325 | public static extern IntPtr GetForegroundWindow(); |
| 326 | |
| 327 | [DllImport("user32.dll", SetLastError = true)] |
| 328 | public static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId); |
| 329 | |
| 330 | [DllImport("user32.dll")] |
| 331 | public static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool fAttach); |
| 332 | |
| 333 | [DllImport("user32.dll", SetLastError = true)] |
| 334 | public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, |
| 335 | string lpszWindow); |
| 336 | |
| 337 | [DllImport("user32.Dll", EntryPoint = "PostMessageA")] |
| 338 | public static extern bool PostMessage(IntPtr hWnd, uint msg, int wParam, int lParam); |
| 339 | |
| 340 | [DllImport("user32.dll")] |
| 341 | public static extern byte VkKeyScan(char ch); |
| 342 | |
| 343 | [DllImport("user32.dll")] |
| 344 | public static extern uint MapVirtualKey(uint uCode, uint uMapType); |
| 345 | |
| 346 | [DllImport("user32.dll")] |
| 347 | public static extern IntPtr SetFocus(IntPtr hWnd); |
| 348 | |
| 349 | [DllImport("user32.dll", CharSet = CharSet.Unicode)] |
| 350 | [return: MarshalAs(UnmanagedType.Bool)] |
| 351 | public static extern bool SetForegroundWindow(IntPtr hWnd); |
| 352 | |
| 353 | [DllImport("user32.dll", CharSet = CharSet.Unicode)] |
| 354 | [return: MarshalAs(UnmanagedType.Bool)] |
| 355 | public static extern bool AllowSetForegroundWindow(int dwProcessId); |
| 356 | |
| 357 | [DllImport("user32.dll")] |
| 358 | public static extern uint SendInput(uint numberOfInputs, |
| 359 | [MarshalAs(UnmanagedType.LPArray, SizeConst = 1)] Input[] input, int structSize); |
| 360 | |
| 361 | [DllImport("user32.dll")] |
| 362 | public static extern IntPtr GetMessageExtraInfo(); |
| 363 | |
| 364 | [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)] |
| 365 | public static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, int lParam); |
| 366 | |
| 367 | [DllImport("user32.dll", CharSet = CharSet.Unicode)] |
| 368 | public static extern bool ShowWindowAsync(IntPtr hWnd, int cmdShow); |
| 369 | |
| 370 | [DllImport("user32.dll", CharSet = CharSet.Unicode)] |
| 371 | public static extern IntPtr FindWindow(string lpClassName, string lpWindowName); |
| 372 | #endregion |
| 373 | |
| 374 | /// <summary> |
| 375 | /// Forces a window to the foreground |
| 376 | /// </summary> |
| 377 | /// <param name="windowHandle">Window that becomes the foreground window</param> |
| 378 | /// <returns>True when succeeded, false otherwise</returns> |
| 379 | public static bool ForceForeground(IntPtr windowHandle) |
| 380 | { |
| 381 | // get current foreground |
| 382 | var currentForeground = GetForegroundWindow(); |
| 383 | |
| 384 | // window already foreground window |
| 385 | if (currentForeground == windowHandle) |
| 386 | return true; |
| 387 | |
| 388 | // get thread id |
| 389 | uint temp; |
| 390 | var windowThreadId = GetWindowThreadProcessId(windowHandle, out temp); |
| 391 | |
| 392 | // attach thread input |
| 393 | if (currentForeground != IntPtr.Zero && !AttachThreadInput(GetCurrentThreadId(), windowThreadId, true)) |
| 394 | return false; |
| 395 | |
| 396 | // switch foreground |
| 397 | SetForegroundWindow(windowHandle); |
| 398 | while (GetForegroundWindow() != windowHandle){} |
| 399 | |
| 400 | // (re)attach input |
| 401 | if (currentForeground != IntPtr.Zero) |
| 402 | AttachThreadInput(GetCurrentThreadId(), windowThreadId, false); |
| 403 | |
| 404 | return (GetForegroundWindow() == windowHandle); |
| 405 | } |
| 406 | |
| 407 | /// <summary> |
| 408 | /// Makes an application the foreground window and send input to it |
| 409 | /// </summary> |
| 410 | /// <param name="windowHandle">The window to send the input to</param> |
| 411 | /// <param name="numberOfInputs">Number of inputs in the input parameter</param> |
| 412 | /// <param name="input">The input to send</param> |
| 413 | /// <param name="structSize">The size of an input struct</param> |
| 414 | /// <returns>True when sent false otherwise</returns> |
| 415 | public static bool SendInputTo(IntPtr windowHandle, uint numberOfInputs, Input[] input, int structSize) |
| 416 | { |
| 417 | return ShowWindowAsync(windowHandle, (int)ShowType.ShowNormal) && |
| 418 | ForceForeground(windowHandle) && |
| 419 | SendInput(numberOfInputs, input, structSize) == 0; |
| 420 | } |
| 421 | |
| 422 | /// <summary> |
| 423 | /// Find a window handle given it's name |
| 424 | /// </summary> |
| 425 | /// <param name="name">The name of the window</param> |
| 426 | /// <returns>The requested handle, or IntPtr.Zero when not found</returns> |
| 427 | public static IntPtr FindWindow(string name) |
| 428 | { |
| 429 | foreach (var proc in Process.GetProcesses()) |
| 430 | { |
| 431 | if (proc.MainWindowTitle == name) |
| 432 | return proc.MainWindowHandle; |
| 433 | } |
| 434 | |
| 435 | return IntPtr.Zero; |
| 436 | } |
| 437 | |
| 438 | /// <summary> |
| 439 | /// Check whether there's another instance of this program running, and return the process when found |
| 440 | /// </summary> |
| 441 | /// <returns>The running process, or null when not found</returns> |
| 442 | public static Process RunningInstance() |
| 443 | { |
| 444 | var current = Process.GetCurrentProcess(); |
| 445 | foreach (var process in Process.GetProcessesByName(current.ProcessName)) |
| 446 | { |
| 447 | if (process.Id != current.Id && Assembly.GetExecutingAssembly().Location.Replace("/", "\\") == current.MainModule.FileName) |
| 448 | return process; |
| 449 | } |
| 450 | |
| 451 | return null; |
| 452 | } |
| 453 | } |
| 454 | } |