win32_init.c (23104B)
1 //======================================================================== 2 // GLFW 3.3 Win32 - www.glfw.org 3 //------------------------------------------------------------------------ 4 // Copyright (c) 2002-2006 Marcus Geelnard 5 // Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org> 6 // 7 // This software is provided 'as-is', without any express or implied 8 // warranty. In no event will the authors be held liable for any damages 9 // arising from the use of this software. 10 // 11 // Permission is granted to anyone to use this software for any purpose, 12 // including commercial applications, and to alter it and redistribute it 13 // freely, subject to the following restrictions: 14 // 15 // 1. The origin of this software must not be misrepresented; you must not 16 // claim that you wrote the original software. If you use this software 17 // in a product, an acknowledgment in the product documentation would 18 // be appreciated but is not required. 19 // 20 // 2. Altered source versions must be plainly marked as such, and must not 21 // be misrepresented as being the original software. 22 // 23 // 3. This notice may not be removed or altered from any source 24 // distribution. 25 // 26 //======================================================================== 27 // Please use C89 style variable declarations in this file because VS 2010 28 //======================================================================== 29 30 #include "internal.h" 31 32 #include <stdlib.h> 33 #include <malloc.h> 34 35 static const GUID _glfw_GUID_DEVINTERFACE_HID = 36 {0x4d1e55b2,0xf16f,0x11cf,{0x88,0xcb,0x00,0x11,0x11,0x00,0x00,0x30}}; 37 38 #define GUID_DEVINTERFACE_HID _glfw_GUID_DEVINTERFACE_HID 39 40 #if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) 41 42 // Executables (but not DLLs) exporting this symbol with this value will be 43 // automatically directed to the high-performance GPU on Nvidia Optimus systems 44 // with up-to-date drivers 45 // 46 __declspec(dllexport) DWORD NvOptimusEnablement = 1; 47 48 // Executables (but not DLLs) exporting this symbol with this value will be 49 // automatically directed to the high-performance GPU on AMD PowerXpress systems 50 // with up-to-date drivers 51 // 52 __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1; 53 54 #endif // _GLFW_USE_HYBRID_HPG 55 56 #if defined(_GLFW_BUILD_DLL) 57 58 // GLFW DLL entry point 59 // 60 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved) 61 { 62 return TRUE; 63 } 64 65 #endif // _GLFW_BUILD_DLL 66 67 // Load necessary libraries (DLLs) 68 // 69 static GLFWbool loadLibraries(void) 70 { 71 _glfw.win32.winmm.instance = LoadLibraryA("winmm.dll"); 72 if (!_glfw.win32.winmm.instance) 73 { 74 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 75 "Win32: Failed to load winmm.dll"); 76 return GLFW_FALSE; 77 } 78 79 _glfw.win32.winmm.GetTime = (PFN_timeGetTime) 80 GetProcAddress(_glfw.win32.winmm.instance, "timeGetTime"); 81 82 _glfw.win32.user32.instance = LoadLibraryA("user32.dll"); 83 if (!_glfw.win32.user32.instance) 84 { 85 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 86 "Win32: Failed to load user32.dll"); 87 return GLFW_FALSE; 88 } 89 90 _glfw.win32.user32.SetProcessDPIAware_ = (PFN_SetProcessDPIAware) 91 GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware"); 92 _glfw.win32.user32.ChangeWindowMessageFilterEx_ = (PFN_ChangeWindowMessageFilterEx) 93 GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx"); 94 _glfw.win32.user32.EnableNonClientDpiScaling_ = (PFN_EnableNonClientDpiScaling) 95 GetProcAddress(_glfw.win32.user32.instance, "EnableNonClientDpiScaling"); 96 _glfw.win32.user32.SetProcessDpiAwarenessContext_ = (PFN_SetProcessDpiAwarenessContext) 97 GetProcAddress(_glfw.win32.user32.instance, "SetProcessDpiAwarenessContext"); 98 _glfw.win32.user32.GetDpiForWindow_ = (PFN_GetDpiForWindow) 99 GetProcAddress(_glfw.win32.user32.instance, "GetDpiForWindow"); 100 _glfw.win32.user32.AdjustWindowRectExForDpi_ = (PFN_AdjustWindowRectExForDpi) 101 GetProcAddress(_glfw.win32.user32.instance, "AdjustWindowRectExForDpi"); 102 103 _glfw.win32.dinput8.instance = LoadLibraryA("dinput8.dll"); 104 if (_glfw.win32.dinput8.instance) 105 { 106 _glfw.win32.dinput8.Create = (PFN_DirectInput8Create) 107 GetProcAddress(_glfw.win32.dinput8.instance, "DirectInput8Create"); 108 } 109 110 { 111 int i; 112 const char* names[] = 113 { 114 "xinput1_4.dll", 115 "xinput1_3.dll", 116 "xinput9_1_0.dll", 117 "xinput1_2.dll", 118 "xinput1_1.dll", 119 NULL 120 }; 121 122 for (i = 0; names[i]; i++) 123 { 124 _glfw.win32.xinput.instance = LoadLibraryA(names[i]); 125 if (_glfw.win32.xinput.instance) 126 { 127 _glfw.win32.xinput.GetCapabilities = (PFN_XInputGetCapabilities) 128 GetProcAddress(_glfw.win32.xinput.instance, "XInputGetCapabilities"); 129 _glfw.win32.xinput.GetState = (PFN_XInputGetState) 130 GetProcAddress(_glfw.win32.xinput.instance, "XInputGetState"); 131 132 break; 133 } 134 } 135 } 136 137 _glfw.win32.dwmapi.instance = LoadLibraryA("dwmapi.dll"); 138 if (_glfw.win32.dwmapi.instance) 139 { 140 _glfw.win32.dwmapi.IsCompositionEnabled = (PFN_DwmIsCompositionEnabled) 141 GetProcAddress(_glfw.win32.dwmapi.instance, "DwmIsCompositionEnabled"); 142 _glfw.win32.dwmapi.Flush = (PFN_DwmFlush) 143 GetProcAddress(_glfw.win32.dwmapi.instance, "DwmFlush"); 144 _glfw.win32.dwmapi.EnableBlurBehindWindow = (PFN_DwmEnableBlurBehindWindow) 145 GetProcAddress(_glfw.win32.dwmapi.instance, "DwmEnableBlurBehindWindow"); 146 } 147 148 _glfw.win32.shcore.instance = LoadLibraryA("shcore.dll"); 149 if (_glfw.win32.shcore.instance) 150 { 151 _glfw.win32.shcore.SetProcessDpiAwareness_ = (PFN_SetProcessDpiAwareness) 152 GetProcAddress(_glfw.win32.shcore.instance, "SetProcessDpiAwareness"); 153 _glfw.win32.shcore.GetDpiForMonitor_ = (PFN_GetDpiForMonitor) 154 GetProcAddress(_glfw.win32.shcore.instance, "GetDpiForMonitor"); 155 } 156 157 _glfw.win32.ntdll.instance = LoadLibraryA("ntdll.dll"); 158 if (_glfw.win32.ntdll.instance) 159 { 160 _glfw.win32.ntdll.RtlVerifyVersionInfo_ = (PFN_RtlVerifyVersionInfo) 161 GetProcAddress(_glfw.win32.ntdll.instance, "RtlVerifyVersionInfo"); 162 } 163 164 return GLFW_TRUE; 165 } 166 167 // Unload used libraries (DLLs) 168 // 169 static void freeLibraries(void) 170 { 171 if (_glfw.win32.xinput.instance) 172 FreeLibrary(_glfw.win32.xinput.instance); 173 174 if (_glfw.win32.dinput8.instance) 175 FreeLibrary(_glfw.win32.dinput8.instance); 176 177 if (_glfw.win32.winmm.instance) 178 FreeLibrary(_glfw.win32.winmm.instance); 179 180 if (_glfw.win32.user32.instance) 181 FreeLibrary(_glfw.win32.user32.instance); 182 183 if (_glfw.win32.dwmapi.instance) 184 FreeLibrary(_glfw.win32.dwmapi.instance); 185 186 if (_glfw.win32.shcore.instance) 187 FreeLibrary(_glfw.win32.shcore.instance); 188 189 if (_glfw.win32.ntdll.instance) 190 FreeLibrary(_glfw.win32.ntdll.instance); 191 } 192 193 // Create key code translation tables 194 // 195 static void createKeyTables(void) 196 { 197 int scancode; 198 199 memset(_glfw.win32.keycodes, -1, sizeof(_glfw.win32.keycodes)); 200 memset(_glfw.win32.scancodes, -1, sizeof(_glfw.win32.scancodes)); 201 202 _glfw.win32.keycodes[0x00B] = GLFW_KEY_0; 203 _glfw.win32.keycodes[0x002] = GLFW_KEY_1; 204 _glfw.win32.keycodes[0x003] = GLFW_KEY_2; 205 _glfw.win32.keycodes[0x004] = GLFW_KEY_3; 206 _glfw.win32.keycodes[0x005] = GLFW_KEY_4; 207 _glfw.win32.keycodes[0x006] = GLFW_KEY_5; 208 _glfw.win32.keycodes[0x007] = GLFW_KEY_6; 209 _glfw.win32.keycodes[0x008] = GLFW_KEY_7; 210 _glfw.win32.keycodes[0x009] = GLFW_KEY_8; 211 _glfw.win32.keycodes[0x00A] = GLFW_KEY_9; 212 _glfw.win32.keycodes[0x01E] = GLFW_KEY_A; 213 _glfw.win32.keycodes[0x030] = GLFW_KEY_B; 214 _glfw.win32.keycodes[0x02E] = GLFW_KEY_C; 215 _glfw.win32.keycodes[0x020] = GLFW_KEY_D; 216 _glfw.win32.keycodes[0x012] = GLFW_KEY_E; 217 _glfw.win32.keycodes[0x021] = GLFW_KEY_F; 218 _glfw.win32.keycodes[0x022] = GLFW_KEY_G; 219 _glfw.win32.keycodes[0x023] = GLFW_KEY_H; 220 _glfw.win32.keycodes[0x017] = GLFW_KEY_I; 221 _glfw.win32.keycodes[0x024] = GLFW_KEY_J; 222 _glfw.win32.keycodes[0x025] = GLFW_KEY_K; 223 _glfw.win32.keycodes[0x026] = GLFW_KEY_L; 224 _glfw.win32.keycodes[0x032] = GLFW_KEY_M; 225 _glfw.win32.keycodes[0x031] = GLFW_KEY_N; 226 _glfw.win32.keycodes[0x018] = GLFW_KEY_O; 227 _glfw.win32.keycodes[0x019] = GLFW_KEY_P; 228 _glfw.win32.keycodes[0x010] = GLFW_KEY_Q; 229 _glfw.win32.keycodes[0x013] = GLFW_KEY_R; 230 _glfw.win32.keycodes[0x01F] = GLFW_KEY_S; 231 _glfw.win32.keycodes[0x014] = GLFW_KEY_T; 232 _glfw.win32.keycodes[0x016] = GLFW_KEY_U; 233 _glfw.win32.keycodes[0x02F] = GLFW_KEY_V; 234 _glfw.win32.keycodes[0x011] = GLFW_KEY_W; 235 _glfw.win32.keycodes[0x02D] = GLFW_KEY_X; 236 _glfw.win32.keycodes[0x015] = GLFW_KEY_Y; 237 _glfw.win32.keycodes[0x02C] = GLFW_KEY_Z; 238 239 _glfw.win32.keycodes[0x028] = GLFW_KEY_APOSTROPHE; 240 _glfw.win32.keycodes[0x02B] = GLFW_KEY_BACKSLASH; 241 _glfw.win32.keycodes[0x033] = GLFW_KEY_COMMA; 242 _glfw.win32.keycodes[0x00D] = GLFW_KEY_EQUAL; 243 _glfw.win32.keycodes[0x029] = GLFW_KEY_GRAVE_ACCENT; 244 _glfw.win32.keycodes[0x01A] = GLFW_KEY_LEFT_BRACKET; 245 _glfw.win32.keycodes[0x00C] = GLFW_KEY_MINUS; 246 _glfw.win32.keycodes[0x034] = GLFW_KEY_PERIOD; 247 _glfw.win32.keycodes[0x01B] = GLFW_KEY_RIGHT_BRACKET; 248 _glfw.win32.keycodes[0x027] = GLFW_KEY_SEMICOLON; 249 _glfw.win32.keycodes[0x035] = GLFW_KEY_SLASH; 250 _glfw.win32.keycodes[0x056] = GLFW_KEY_WORLD_2; 251 252 _glfw.win32.keycodes[0x00E] = GLFW_KEY_BACKSPACE; 253 _glfw.win32.keycodes[0x153] = GLFW_KEY_DELETE; 254 _glfw.win32.keycodes[0x14F] = GLFW_KEY_END; 255 _glfw.win32.keycodes[0x01C] = GLFW_KEY_ENTER; 256 _glfw.win32.keycodes[0x001] = GLFW_KEY_ESCAPE; 257 _glfw.win32.keycodes[0x147] = GLFW_KEY_HOME; 258 _glfw.win32.keycodes[0x152] = GLFW_KEY_INSERT; 259 _glfw.win32.keycodes[0x15D] = GLFW_KEY_MENU; 260 _glfw.win32.keycodes[0x151] = GLFW_KEY_PAGE_DOWN; 261 _glfw.win32.keycodes[0x149] = GLFW_KEY_PAGE_UP; 262 _glfw.win32.keycodes[0x045] = GLFW_KEY_PAUSE; 263 _glfw.win32.keycodes[0x146] = GLFW_KEY_PAUSE; 264 _glfw.win32.keycodes[0x039] = GLFW_KEY_SPACE; 265 _glfw.win32.keycodes[0x00F] = GLFW_KEY_TAB; 266 _glfw.win32.keycodes[0x03A] = GLFW_KEY_CAPS_LOCK; 267 _glfw.win32.keycodes[0x145] = GLFW_KEY_NUM_LOCK; 268 _glfw.win32.keycodes[0x046] = GLFW_KEY_SCROLL_LOCK; 269 _glfw.win32.keycodes[0x03B] = GLFW_KEY_F1; 270 _glfw.win32.keycodes[0x03C] = GLFW_KEY_F2; 271 _glfw.win32.keycodes[0x03D] = GLFW_KEY_F3; 272 _glfw.win32.keycodes[0x03E] = GLFW_KEY_F4; 273 _glfw.win32.keycodes[0x03F] = GLFW_KEY_F5; 274 _glfw.win32.keycodes[0x040] = GLFW_KEY_F6; 275 _glfw.win32.keycodes[0x041] = GLFW_KEY_F7; 276 _glfw.win32.keycodes[0x042] = GLFW_KEY_F8; 277 _glfw.win32.keycodes[0x043] = GLFW_KEY_F9; 278 _glfw.win32.keycodes[0x044] = GLFW_KEY_F10; 279 _glfw.win32.keycodes[0x057] = GLFW_KEY_F11; 280 _glfw.win32.keycodes[0x058] = GLFW_KEY_F12; 281 _glfw.win32.keycodes[0x064] = GLFW_KEY_F13; 282 _glfw.win32.keycodes[0x065] = GLFW_KEY_F14; 283 _glfw.win32.keycodes[0x066] = GLFW_KEY_F15; 284 _glfw.win32.keycodes[0x067] = GLFW_KEY_F16; 285 _glfw.win32.keycodes[0x068] = GLFW_KEY_F17; 286 _glfw.win32.keycodes[0x069] = GLFW_KEY_F18; 287 _glfw.win32.keycodes[0x06A] = GLFW_KEY_F19; 288 _glfw.win32.keycodes[0x06B] = GLFW_KEY_F20; 289 _glfw.win32.keycodes[0x06C] = GLFW_KEY_F21; 290 _glfw.win32.keycodes[0x06D] = GLFW_KEY_F22; 291 _glfw.win32.keycodes[0x06E] = GLFW_KEY_F23; 292 _glfw.win32.keycodes[0x076] = GLFW_KEY_F24; 293 _glfw.win32.keycodes[0x038] = GLFW_KEY_LEFT_ALT; 294 _glfw.win32.keycodes[0x01D] = GLFW_KEY_LEFT_CONTROL; 295 _glfw.win32.keycodes[0x02A] = GLFW_KEY_LEFT_SHIFT; 296 _glfw.win32.keycodes[0x15B] = GLFW_KEY_LEFT_SUPER; 297 _glfw.win32.keycodes[0x137] = GLFW_KEY_PRINT_SCREEN; 298 _glfw.win32.keycodes[0x138] = GLFW_KEY_RIGHT_ALT; 299 _glfw.win32.keycodes[0x11D] = GLFW_KEY_RIGHT_CONTROL; 300 _glfw.win32.keycodes[0x036] = GLFW_KEY_RIGHT_SHIFT; 301 _glfw.win32.keycodes[0x15C] = GLFW_KEY_RIGHT_SUPER; 302 _glfw.win32.keycodes[0x150] = GLFW_KEY_DOWN; 303 _glfw.win32.keycodes[0x14B] = GLFW_KEY_LEFT; 304 _glfw.win32.keycodes[0x14D] = GLFW_KEY_RIGHT; 305 _glfw.win32.keycodes[0x148] = GLFW_KEY_UP; 306 307 _glfw.win32.keycodes[0x052] = GLFW_KEY_KP_0; 308 _glfw.win32.keycodes[0x04F] = GLFW_KEY_KP_1; 309 _glfw.win32.keycodes[0x050] = GLFW_KEY_KP_2; 310 _glfw.win32.keycodes[0x051] = GLFW_KEY_KP_3; 311 _glfw.win32.keycodes[0x04B] = GLFW_KEY_KP_4; 312 _glfw.win32.keycodes[0x04C] = GLFW_KEY_KP_5; 313 _glfw.win32.keycodes[0x04D] = GLFW_KEY_KP_6; 314 _glfw.win32.keycodes[0x047] = GLFW_KEY_KP_7; 315 _glfw.win32.keycodes[0x048] = GLFW_KEY_KP_8; 316 _glfw.win32.keycodes[0x049] = GLFW_KEY_KP_9; 317 _glfw.win32.keycodes[0x04E] = GLFW_KEY_KP_ADD; 318 _glfw.win32.keycodes[0x053] = GLFW_KEY_KP_DECIMAL; 319 _glfw.win32.keycodes[0x135] = GLFW_KEY_KP_DIVIDE; 320 _glfw.win32.keycodes[0x11C] = GLFW_KEY_KP_ENTER; 321 _glfw.win32.keycodes[0x059] = GLFW_KEY_KP_EQUAL; 322 _glfw.win32.keycodes[0x037] = GLFW_KEY_KP_MULTIPLY; 323 _glfw.win32.keycodes[0x04A] = GLFW_KEY_KP_SUBTRACT; 324 325 for (scancode = 0; scancode < 512; scancode++) 326 { 327 if (_glfw.win32.keycodes[scancode] > 0) 328 _glfw.win32.scancodes[_glfw.win32.keycodes[scancode]] = scancode; 329 } 330 } 331 332 // Creates a dummy window for behind-the-scenes work 333 // 334 static GLFWbool createHelperWindow(void) 335 { 336 MSG msg; 337 338 _glfw.win32.helperWindowHandle = 339 CreateWindowExW(WS_EX_OVERLAPPEDWINDOW, 340 _GLFW_WNDCLASSNAME, 341 L"GLFW message window", 342 WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 343 0, 0, 1, 1, 344 NULL, NULL, 345 GetModuleHandleW(NULL), 346 NULL); 347 348 if (!_glfw.win32.helperWindowHandle) 349 { 350 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 351 "Win32: Failed to create helper window"); 352 return GLFW_FALSE; 353 } 354 355 // HACK: The command to the first ShowWindow call is ignored if the parent 356 // process passed along a STARTUPINFO, so clear that with a no-op call 357 ShowWindow(_glfw.win32.helperWindowHandle, SW_HIDE); 358 359 // Register for HID device notifications 360 { 361 DEV_BROADCAST_DEVICEINTERFACE_W dbi; 362 ZeroMemory(&dbi, sizeof(dbi)); 363 dbi.dbcc_size = sizeof(dbi); 364 dbi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE; 365 dbi.dbcc_classguid = GUID_DEVINTERFACE_HID; 366 367 _glfw.win32.deviceNotificationHandle = 368 RegisterDeviceNotificationW(_glfw.win32.helperWindowHandle, 369 (DEV_BROADCAST_HDR*) &dbi, 370 DEVICE_NOTIFY_WINDOW_HANDLE); 371 } 372 373 while (PeekMessageW(&msg, _glfw.win32.helperWindowHandle, 0, 0, PM_REMOVE)) 374 { 375 TranslateMessage(&msg); 376 DispatchMessageW(&msg); 377 } 378 379 return GLFW_TRUE; 380 } 381 382 383 ////////////////////////////////////////////////////////////////////////// 384 ////// GLFW internal API ////// 385 ////////////////////////////////////////////////////////////////////////// 386 387 // Returns a wide string version of the specified UTF-8 string 388 // 389 WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source) 390 { 391 WCHAR* target; 392 int count; 393 394 count = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0); 395 if (!count) 396 { 397 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 398 "Win32: Failed to convert string from UTF-8"); 399 return NULL; 400 } 401 402 target = calloc(count, sizeof(WCHAR)); 403 404 if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, count)) 405 { 406 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 407 "Win32: Failed to convert string from UTF-8"); 408 free(target); 409 return NULL; 410 } 411 412 return target; 413 } 414 415 // Returns a UTF-8 string version of the specified wide string 416 // 417 char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source) 418 { 419 char* target; 420 int size; 421 422 size = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL); 423 if (!size) 424 { 425 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 426 "Win32: Failed to convert string to UTF-8"); 427 return NULL; 428 } 429 430 target = calloc(size, 1); 431 432 if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, size, NULL, NULL)) 433 { 434 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, 435 "Win32: Failed to convert string to UTF-8"); 436 free(target); 437 return NULL; 438 } 439 440 return target; 441 } 442 443 // Reports the specified error, appending information about the last Win32 error 444 // 445 void _glfwInputErrorWin32(int error, const char* description) 446 { 447 WCHAR buffer[_GLFW_MESSAGE_SIZE] = L""; 448 char message[_GLFW_MESSAGE_SIZE] = ""; 449 450 FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | 451 FORMAT_MESSAGE_IGNORE_INSERTS | 452 FORMAT_MESSAGE_MAX_WIDTH_MASK, 453 NULL, 454 GetLastError() & 0xffff, 455 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 456 buffer, 457 sizeof(buffer) / sizeof(WCHAR), 458 NULL); 459 WideCharToMultiByte(CP_UTF8, 0, buffer, -1, message, sizeof(message), NULL, NULL); 460 461 _glfwInputError(error, "%s: %s", description, message); 462 } 463 464 // Updates key names according to the current keyboard layout 465 // 466 void _glfwUpdateKeyNamesWin32(void) 467 { 468 int key; 469 BYTE state[256] = {0}; 470 471 memset(_glfw.win32.keynames, 0, sizeof(_glfw.win32.keynames)); 472 473 for (key = GLFW_KEY_SPACE; key <= GLFW_KEY_LAST; key++) 474 { 475 UINT vk; 476 int scancode, length; 477 WCHAR chars[16]; 478 479 scancode = _glfw.win32.scancodes[key]; 480 if (scancode == -1) 481 continue; 482 483 if (key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_ADD) 484 { 485 const UINT vks[] = { 486 VK_NUMPAD0, VK_NUMPAD1, VK_NUMPAD2, VK_NUMPAD3, 487 VK_NUMPAD4, VK_NUMPAD5, VK_NUMPAD6, VK_NUMPAD7, 488 VK_NUMPAD8, VK_NUMPAD9, VK_DECIMAL, VK_DIVIDE, 489 VK_MULTIPLY, VK_SUBTRACT, VK_ADD 490 }; 491 492 vk = vks[key - GLFW_KEY_KP_0]; 493 } 494 else 495 vk = MapVirtualKey(scancode, MAPVK_VSC_TO_VK); 496 497 length = ToUnicode(vk, scancode, state, 498 chars, sizeof(chars) / sizeof(WCHAR), 499 0); 500 501 if (length == -1) 502 { 503 length = ToUnicode(vk, scancode, state, 504 chars, sizeof(chars) / sizeof(WCHAR), 505 0); 506 } 507 508 if (length < 1) 509 continue; 510 511 WideCharToMultiByte(CP_UTF8, 0, chars, 1, 512 _glfw.win32.keynames[key], 513 sizeof(_glfw.win32.keynames[key]), 514 NULL, NULL); 515 } 516 } 517 518 // Replacement for IsWindowsVersionOrGreater as MinGW lacks versionhelpers.h 519 // 520 BOOL _glfwIsWindowsVersionOrGreaterWin32(WORD major, WORD minor, WORD sp) 521 { 522 OSVERSIONINFOEXW osvi = { sizeof(osvi), major, minor, 0, 0, {0}, sp }; 523 DWORD mask = VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR; 524 ULONGLONG cond = VerSetConditionMask(0, VER_MAJORVERSION, VER_GREATER_EQUAL); 525 cond = VerSetConditionMask(cond, VER_MINORVERSION, VER_GREATER_EQUAL); 526 cond = VerSetConditionMask(cond, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL); 527 // HACK: Use RtlVerifyVersionInfo instead of VerifyVersionInfoW as the 528 // latter lies unless the user knew to embed a non-default manifest 529 // announcing support for Windows 10 via supportedOS GUID 530 return RtlVerifyVersionInfo(&osvi, mask, cond) == 0; 531 } 532 533 // Checks whether we are on at least the specified build of Windows 10 534 // 535 BOOL _glfwIsWindows10BuildOrGreaterWin32(WORD build) 536 { 537 OSVERSIONINFOEXW osvi = { sizeof(osvi), 10, 0, build }; 538 DWORD mask = VER_MAJORVERSION | VER_MINORVERSION | VER_BUILDNUMBER; 539 ULONGLONG cond = VerSetConditionMask(0, VER_MAJORVERSION, VER_GREATER_EQUAL); 540 cond = VerSetConditionMask(cond, VER_MINORVERSION, VER_GREATER_EQUAL); 541 cond = VerSetConditionMask(cond, VER_BUILDNUMBER, VER_GREATER_EQUAL); 542 // HACK: Use RtlVerifyVersionInfo instead of VerifyVersionInfoW as the 543 // latter lies unless the user knew to embed a non-default manifest 544 // announcing support for Windows 10 via supportedOS GUID 545 return RtlVerifyVersionInfo(&osvi, mask, cond) == 0; 546 } 547 548 549 ////////////////////////////////////////////////////////////////////////// 550 ////// GLFW platform API ////// 551 ////////////////////////////////////////////////////////////////////////// 552 553 int _glfwPlatformInit(void) 554 { 555 // To make SetForegroundWindow work as we want, we need to fiddle 556 // with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early 557 // as possible in the hope of still being the foreground process) 558 SystemParametersInfoW(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, 559 &_glfw.win32.foregroundLockTimeout, 0); 560 SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0), 561 SPIF_SENDCHANGE); 562 563 if (!loadLibraries()) 564 return GLFW_FALSE; 565 566 createKeyTables(); 567 _glfwUpdateKeyNamesWin32(); 568 569 if (_glfwIsWindows10CreatorsUpdateOrGreaterWin32()) 570 SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2); 571 else if (IsWindows8Point1OrGreater()) 572 SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE); 573 else if (IsWindowsVistaOrGreater()) 574 SetProcessDPIAware(); 575 576 if (!_glfwRegisterWindowClassWin32()) 577 return GLFW_FALSE; 578 579 if (!createHelperWindow()) 580 return GLFW_FALSE; 581 582 _glfwInitTimerWin32(); 583 _glfwInitJoysticksWin32(); 584 585 _glfwPollMonitorsWin32(); 586 return GLFW_TRUE; 587 } 588 589 void _glfwPlatformTerminate(void) 590 { 591 if (_glfw.win32.deviceNotificationHandle) 592 UnregisterDeviceNotification(_glfw.win32.deviceNotificationHandle); 593 594 if (_glfw.win32.helperWindowHandle) 595 DestroyWindow(_glfw.win32.helperWindowHandle); 596 597 _glfwUnregisterWindowClassWin32(); 598 599 // Restore previous foreground lock timeout system setting 600 SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, 601 UIntToPtr(_glfw.win32.foregroundLockTimeout), 602 SPIF_SENDCHANGE); 603 604 free(_glfw.win32.clipboardString); 605 free(_glfw.win32.rawInput); 606 607 _glfwTerminateWGL(); 608 _glfwTerminateEGL(); 609 610 _glfwTerminateJoysticksWin32(); 611 612 freeLibraries(); 613 } 614 615 const char* _glfwPlatformGetVersionString(void) 616 { 617 return _GLFW_VERSION_NUMBER " Win32 WGL EGL OSMesa" 618 #if defined(__MINGW32__) 619 " MinGW" 620 #elif defined(_MSC_VER) 621 " VisualC" 622 #endif 623 #if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) 624 " hybrid-GPU" 625 #endif 626 #if defined(_GLFW_BUILD_DLL) 627 " DLL" 628 #endif 629 ; 630 } 631