//======================================================================== // GLFW 3.3 Win32 - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2002-2006 Marcus Geelnard // Copyright (c) 2006-2016 Camilla Löwy // // This software is provided 'as-is', without any express or implied // warranty. In no event will the authors be held liable for any damages // arising from the use of this software. // // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would // be appreciated but is not required. // // 2. Altered source versions must be plainly marked as such, and must not // be misrepresented as being the original software. // // 3. This notice may not be removed or altered from any source // distribution. // //======================================================================== #include "internal.h" #include #include static const GUID _glfw_GUID_DEVINTERFACE_HID = {0x4d1e55b2,0xf16f,0x11cf,{0x88,0xcb,0x00,0x11,0x11,0x00,0x00,0x30}}; #define GUID_DEVINTERFACE_HID _glfw_GUID_DEVINTERFACE_HID #if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) // Executables (but not DLLs) exporting this symbol with this value will be // automatically directed to the high-performance GPU on Nvidia Optimus systems // with up-to-date drivers // __declspec(dllexport) DWORD NvOptimusEnablement = 1; // Executables (but not DLLs) exporting this symbol with this value will be // automatically directed to the high-performance GPU on AMD PowerXpress systems // with up-to-date drivers // __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1; #endif // _GLFW_USE_HYBRID_HPG #if defined(_GLFW_BUILD_DLL) // GLFW DLL entry point // BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved) { return TRUE; } #endif // _GLFW_BUILD_DLL // HACK: Define versionhelpers.h functions manually as MinGW lacks the header BOOL IsWindowsVersionOrGreater(WORD major, WORD minor, WORD sp) { OSVERSIONINFOEXW osvi = { sizeof(osvi), major, minor, 0, 0, {0}, sp }; DWORD mask = VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR; ULONGLONG cond = VerSetConditionMask(0, VER_MAJORVERSION, VER_GREATER_EQUAL); cond = VerSetConditionMask(cond, VER_MINORVERSION, VER_GREATER_EQUAL); cond = VerSetConditionMask(cond, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL); return VerifyVersionInfoW(&osvi, mask, cond); } // Load necessary libraries (DLLs) // static GLFWbool loadLibraries(void) { _glfw.win32.winmm.instance = LoadLibraryA("winmm.dll"); if (!_glfw.win32.winmm.instance) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to load winmm.dll"); return GLFW_FALSE; } _glfw.win32.winmm.GetTime = (PFN_timeGetTime) GetProcAddress(_glfw.win32.winmm.instance, "timeGetTime"); _glfw.win32.user32.instance = LoadLibraryA("user32.dll"); if (!_glfw.win32.user32.instance) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to load user32.dll"); return GLFW_FALSE; } _glfw.win32.user32.SetProcessDPIAware_ = (PFN_SetProcessDPIAware) GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware"); _glfw.win32.user32.ChangeWindowMessageFilterEx_ = (PFN_ChangeWindowMessageFilterEx) GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx"); _glfw.win32.dinput8.instance = LoadLibraryA("dinput8.dll"); if (_glfw.win32.dinput8.instance) { _glfw.win32.dinput8.Create = (PFN_DirectInput8Create) GetProcAddress(_glfw.win32.dinput8.instance, "DirectInput8Create"); } { int i; const char* names[] = { "xinput1_4.dll", "xinput1_3.dll", "xinput9_1_0.dll", "xinput1_2.dll", "xinput1_1.dll", NULL }; for (i = 0; names[i]; i++) { _glfw.win32.xinput.instance = LoadLibraryA(names[i]); if (_glfw.win32.xinput.instance) { _glfw.win32.xinput.GetCapabilities = (PFN_XInputGetCapabilities) GetProcAddress(_glfw.win32.xinput.instance, "XInputGetCapabilities"); _glfw.win32.xinput.GetState = (PFN_XInputGetState) GetProcAddress(_glfw.win32.xinput.instance, "XInputGetState"); break; } } } _glfw.win32.dwmapi.instance = LoadLibraryA("dwmapi.dll"); if (_glfw.win32.dwmapi.instance) { _glfw.win32.dwmapi.IsCompositionEnabled = (PFN_DwmIsCompositionEnabled) GetProcAddress(_glfw.win32.dwmapi.instance, "DwmIsCompositionEnabled"); _glfw.win32.dwmapi.Flush = (PFN_DwmFlush) GetProcAddress(_glfw.win32.dwmapi.instance, "DwmFlush"); _glfw.win32.dwmapi.EnableBlurBehindWindow = (PFN_DwmEnableBlurBehindWindow) GetProcAddress(_glfw.win32.dwmapi.instance, "DwmEnableBlurBehindWindow"); } _glfw.win32.shcore.instance = LoadLibraryA("shcore.dll"); if (_glfw.win32.shcore.instance) { _glfw.win32.shcore.SetProcessDpiAwareness_ = (PFN_SetProcessDpiAwareness) GetProcAddress(_glfw.win32.shcore.instance, "SetProcessDpiAwareness"); _glfw.win32.shcore.GetDpiForMonitor_ = (PFN_GetDpiForMonitor) GetProcAddress(_glfw.win32.shcore.instance, "GetDpiForMonitor"); } return GLFW_TRUE; } // Unload used libraries (DLLs) // static void freeLibraries(void) { if (_glfw.win32.xinput.instance) FreeLibrary(_glfw.win32.xinput.instance); if (_glfw.win32.dinput8.instance) FreeLibrary(_glfw.win32.dinput8.instance); if (_glfw.win32.winmm.instance) FreeLibrary(_glfw.win32.winmm.instance); if (_glfw.win32.user32.instance) FreeLibrary(_glfw.win32.user32.instance); if (_glfw.win32.dwmapi.instance) FreeLibrary(_glfw.win32.dwmapi.instance); if (_glfw.win32.shcore.instance) FreeLibrary(_glfw.win32.shcore.instance); } // Create key code translation tables // static void createKeyTables(void) { int scancode; memset(_glfw.win32.keycodes, -1, sizeof(_glfw.win32.keycodes)); memset(_glfw.win32.scancodes, -1, sizeof(_glfw.win32.scancodes)); _glfw.win32.keycodes[0x00B] = GLFW_KEY_0; _glfw.win32.keycodes[0x002] = GLFW_KEY_1; _glfw.win32.keycodes[0x003] = GLFW_KEY_2; _glfw.win32.keycodes[0x004] = GLFW_KEY_3; _glfw.win32.keycodes[0x005] = GLFW_KEY_4; _glfw.win32.keycodes[0x006] = GLFW_KEY_5; _glfw.win32.keycodes[0x007] = GLFW_KEY_6; _glfw.win32.keycodes[0x008] = GLFW_KEY_7; _glfw.win32.keycodes[0x009] = GLFW_KEY_8; _glfw.win32.keycodes[0x00A] = GLFW_KEY_9; _glfw.win32.keycodes[0x01E] = GLFW_KEY_A; _glfw.win32.keycodes[0x030] = GLFW_KEY_B; _glfw.win32.keycodes[0x02E] = GLFW_KEY_C; _glfw.win32.keycodes[0x020] = GLFW_KEY_D; _glfw.win32.keycodes[0x012] = GLFW_KEY_E; _glfw.win32.keycodes[0x021] = GLFW_KEY_F; _glfw.win32.keycodes[0x022] = GLFW_KEY_G; _glfw.win32.keycodes[0x023] = GLFW_KEY_H; _glfw.win32.keycodes[0x017] = GLFW_KEY_I; _glfw.win32.keycodes[0x024] = GLFW_KEY_J; _glfw.win32.keycodes[0x025] = GLFW_KEY_K; _glfw.win32.keycodes[0x026] = GLFW_KEY_L; _glfw.win32.keycodes[0x032] = GLFW_KEY_M; _glfw.win32.keycodes[0x031] = GLFW_KEY_N; _glfw.win32.keycodes[0x018] = GLFW_KEY_O; _glfw.win32.keycodes[0x019] = GLFW_KEY_P; _glfw.win32.keycodes[0x010] = GLFW_KEY_Q; _glfw.win32.keycodes[0x013] = GLFW_KEY_R; _glfw.win32.keycodes[0x01F] = GLFW_KEY_S; _glfw.win32.keycodes[0x014] = GLFW_KEY_T; _glfw.win32.keycodes[0x016] = GLFW_KEY_U; _glfw.win32.keycodes[0x02F] = GLFW_KEY_V; _glfw.win32.keycodes[0x011] = GLFW_KEY_W; _glfw.win32.keycodes[0x02D] = GLFW_KEY_X; _glfw.win32.keycodes[0x015] = GLFW_KEY_Y; _glfw.win32.keycodes[0x02C] = GLFW_KEY_Z; _glfw.win32.keycodes[0x028] = GLFW_KEY_APOSTROPHE; _glfw.win32.keycodes[0x02B] = GLFW_KEY_BACKSLASH; _glfw.win32.keycodes[0x033] = GLFW_KEY_COMMA; _glfw.win32.keycodes[0x00D] = GLFW_KEY_EQUAL; _glfw.win32.keycodes[0x029] = GLFW_KEY_GRAVE_ACCENT; _glfw.win32.keycodes[0x01A] = GLFW_KEY_LEFT_BRACKET; _glfw.win32.keycodes[0x00C] = GLFW_KEY_MINUS; _glfw.win32.keycodes[0x034] = GLFW_KEY_PERIOD; _glfw.win32.keycodes[0x01B] = GLFW_KEY_RIGHT_BRACKET; _glfw.win32.keycodes[0x027] = GLFW_KEY_SEMICOLON; _glfw.win32.keycodes[0x035] = GLFW_KEY_SLASH; _glfw.win32.keycodes[0x056] = GLFW_KEY_WORLD_2; _glfw.win32.keycodes[0x00E] = GLFW_KEY_BACKSPACE; _glfw.win32.keycodes[0x153] = GLFW_KEY_DELETE; _glfw.win32.keycodes[0x14F] = GLFW_KEY_END; _glfw.win32.keycodes[0x01C] = GLFW_KEY_ENTER; _glfw.win32.keycodes[0x001] = GLFW_KEY_ESCAPE; _glfw.win32.keycodes[0x147] = GLFW_KEY_HOME; _glfw.win32.keycodes[0x152] = GLFW_KEY_INSERT; _glfw.win32.keycodes[0x15D] = GLFW_KEY_MENU; _glfw.win32.keycodes[0x151] = GLFW_KEY_PAGE_DOWN; _glfw.win32.keycodes[0x149] = GLFW_KEY_PAGE_UP; _glfw.win32.keycodes[0x045] = GLFW_KEY_PAUSE; _glfw.win32.keycodes[0x146] = GLFW_KEY_PAUSE; _glfw.win32.keycodes[0x039] = GLFW_KEY_SPACE; _glfw.win32.keycodes[0x00F] = GLFW_KEY_TAB; _glfw.win32.keycodes[0x03A] = GLFW_KEY_CAPS_LOCK; _glfw.win32.keycodes[0x145] = GLFW_KEY_NUM_LOCK; _glfw.win32.keycodes[0x046] = GLFW_KEY_SCROLL_LOCK; _glfw.win32.keycodes[0x03B] = GLFW_KEY_F1; _glfw.win32.keycodes[0x03C] = GLFW_KEY_F2; _glfw.win32.keycodes[0x03D] = GLFW_KEY_F3; _glfw.win32.keycodes[0x03E] = GLFW_KEY_F4; _glfw.win32.keycodes[0x03F] = GLFW_KEY_F5; _glfw.win32.keycodes[0x040] = GLFW_KEY_F6; _glfw.win32.keycodes[0x041] = GLFW_KEY_F7; _glfw.win32.keycodes[0x042] = GLFW_KEY_F8; _glfw.win32.keycodes[0x043] = GLFW_KEY_F9; _glfw.win32.keycodes[0x044] = GLFW_KEY_F10; _glfw.win32.keycodes[0x057] = GLFW_KEY_F11; _glfw.win32.keycodes[0x058] = GLFW_KEY_F12; _glfw.win32.keycodes[0x064] = GLFW_KEY_F13; _glfw.win32.keycodes[0x065] = GLFW_KEY_F14; _glfw.win32.keycodes[0x066] = GLFW_KEY_F15; _glfw.win32.keycodes[0x067] = GLFW_KEY_F16; _glfw.win32.keycodes[0x068] = GLFW_KEY_F17; _glfw.win32.keycodes[0x069] = GLFW_KEY_F18; _glfw.win32.keycodes[0x06A] = GLFW_KEY_F19; _glfw.win32.keycodes[0x06B] = GLFW_KEY_F20; _glfw.win32.keycodes[0x06C] = GLFW_KEY_F21; _glfw.win32.keycodes[0x06D] = GLFW_KEY_F22; _glfw.win32.keycodes[0x06E] = GLFW_KEY_F23; _glfw.win32.keycodes[0x076] = GLFW_KEY_F24; _glfw.win32.keycodes[0x038] = GLFW_KEY_LEFT_ALT; _glfw.win32.keycodes[0x01D] = GLFW_KEY_LEFT_CONTROL; _glfw.win32.keycodes[0x02A] = GLFW_KEY_LEFT_SHIFT; _glfw.win32.keycodes[0x15B] = GLFW_KEY_LEFT_SUPER; _glfw.win32.keycodes[0x137] = GLFW_KEY_PRINT_SCREEN; _glfw.win32.keycodes[0x138] = GLFW_KEY_RIGHT_ALT; _glfw.win32.keycodes[0x11D] = GLFW_KEY_RIGHT_CONTROL; _glfw.win32.keycodes[0x036] = GLFW_KEY_RIGHT_SHIFT; _glfw.win32.keycodes[0x15C] = GLFW_KEY_RIGHT_SUPER; _glfw.win32.keycodes[0x150] = GLFW_KEY_DOWN; _glfw.win32.keycodes[0x14B] = GLFW_KEY_LEFT; _glfw.win32.keycodes[0x14D] = GLFW_KEY_RIGHT; _glfw.win32.keycodes[0x148] = GLFW_KEY_UP; _glfw.win32.keycodes[0x052] = GLFW_KEY_KP_0; _glfw.win32.keycodes[0x04F] = GLFW_KEY_KP_1; _glfw.win32.keycodes[0x050] = GLFW_KEY_KP_2; _glfw.win32.keycodes[0x051] = GLFW_KEY_KP_3; _glfw.win32.keycodes[0x04B] = GLFW_KEY_KP_4; _glfw.win32.keycodes[0x04C] = GLFW_KEY_KP_5; _glfw.win32.keycodes[0x04D] = GLFW_KEY_KP_6; _glfw.win32.keycodes[0x047] = GLFW_KEY_KP_7; _glfw.win32.keycodes[0x048] = GLFW_KEY_KP_8; _glfw.win32.keycodes[0x049] = GLFW_KEY_KP_9; _glfw.win32.keycodes[0x04E] = GLFW_KEY_KP_ADD; _glfw.win32.keycodes[0x053] = GLFW_KEY_KP_DECIMAL; _glfw.win32.keycodes[0x135] = GLFW_KEY_KP_DIVIDE; _glfw.win32.keycodes[0x11C] = GLFW_KEY_KP_ENTER; _glfw.win32.keycodes[0x037] = GLFW_KEY_KP_MULTIPLY; _glfw.win32.keycodes[0x04A] = GLFW_KEY_KP_SUBTRACT; for (scancode = 0; scancode < 512; scancode++) { if (_glfw.win32.keycodes[scancode] > 0) _glfw.win32.scancodes[_glfw.win32.keycodes[scancode]] = scancode; } } // Creates a dummy window for behind-the-scenes work // static HWND createHelperWindow(void) { MSG msg; HWND window = CreateWindowExW(WS_EX_OVERLAPPEDWINDOW, _GLFW_WNDCLASSNAME, L"GLFW message window", WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, 0, 1, 1, NULL, NULL, GetModuleHandleW(NULL), NULL); if (!window) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to create helper window"); return NULL; } // HACK: The command to the first ShowWindow call is ignored if the parent // process passed along a STARTUPINFO, so clear that with a no-op call ShowWindow(window, SW_HIDE); // Register for HID device notifications { DEV_BROADCAST_DEVICEINTERFACE_W dbi; ZeroMemory(&dbi, sizeof(dbi)); dbi.dbcc_size = sizeof(dbi); dbi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE; dbi.dbcc_classguid = GUID_DEVINTERFACE_HID; _glfw.win32.deviceNotificationHandle = RegisterDeviceNotificationW(window, (DEV_BROADCAST_HDR*) &dbi, DEVICE_NOTIFY_WINDOW_HANDLE); } while (PeekMessageW(&msg, _glfw.win32.helperWindowHandle, 0, 0, PM_REMOVE)) { TranslateMessage(&msg); DispatchMessageW(&msg); } return window; } ////////////////////////////////////////////////////////////////////////// ////// GLFW internal API ////// ////////////////////////////////////////////////////////////////////////// // Returns a wide string version of the specified UTF-8 string // WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source) { WCHAR* target; int count; count = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0); if (!count) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to convert string from UTF-8"); return NULL; } target = calloc(count, sizeof(WCHAR)); if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, count)) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to convert string from UTF-8"); free(target); return NULL; } return target; } // Returns a UTF-8 string version of the specified wide string // char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source) { char* target; int size; size = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL); if (!size) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to convert string to UTF-8"); return NULL; } target = calloc(size, 1); if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, size, NULL, NULL)) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to convert string to UTF-8"); free(target); return NULL; } return target; } // Reports the specified error, appending information about the last Win32 error // void _glfwInputErrorWin32(int error, const char* description) { WCHAR buffer[_GLFW_MESSAGE_SIZE] = L""; char message[_GLFW_MESSAGE_SIZE] = ""; FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK, NULL, GetLastError() & 0xffff, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buffer, sizeof(buffer), NULL); WideCharToMultiByte(CP_UTF8, 0, buffer, -1, message, sizeof(message), NULL, NULL); _glfwInputError(error, "%s: %s", description, message); } // Updates key names according to the current keyboard layout // void _glfwUpdateKeyNamesWin32(void) { int key; BYTE state[256] = {0}; memset(_glfw.win32.keynames, 0, sizeof(_glfw.win32.keynames)); for (key = GLFW_KEY_SPACE; key <= GLFW_KEY_LAST; key++) { UINT vk; int scancode, length; WCHAR chars[16]; scancode = _glfw.win32.scancodes[key]; if (scancode == -1) continue; if (key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_ADD) { const UINT vks[] = { VK_NUMPAD0, VK_NUMPAD1, VK_NUMPAD2, VK_NUMPAD3, VK_NUMPAD4, VK_NUMPAD5, VK_NUMPAD6, VK_NUMPAD7, VK_NUMPAD8, VK_NUMPAD9, VK_DECIMAL, VK_DIVIDE, VK_MULTIPLY, VK_SUBTRACT, VK_ADD }; vk = vks[key - GLFW_KEY_KP_0]; } else vk = MapVirtualKey(scancode, MAPVK_VSC_TO_VK); length = ToUnicode(vk, scancode, state, chars, sizeof(chars) / sizeof(WCHAR), 0); if (length == -1) { length = ToUnicode(vk, scancode, state, chars, sizeof(chars) / sizeof(WCHAR), 0); } if (length < 1) continue; WideCharToMultiByte(CP_UTF8, 0, chars, 1, _glfw.win32.keynames[key], sizeof(_glfw.win32.keynames[key]), NULL, NULL); } } ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformInit(void) { // To make SetForegroundWindow work as we want, we need to fiddle // with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early // as possible in the hope of still being the foreground process) SystemParametersInfoW(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, &_glfw.win32.foregroundLockTimeout, 0); SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0), SPIF_SENDCHANGE); if (!loadLibraries()) return GLFW_FALSE; createKeyTables(); _glfwUpdateKeyNamesWin32(); if (IsWindows8Point1OrGreater()) SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE); else if (IsWindowsVistaOrGreater()) SetProcessDPIAware(); if (!_glfwRegisterWindowClassWin32()) return GLFW_FALSE; _glfw.win32.helperWindowHandle = createHelperWindow(); if (!_glfw.win32.helperWindowHandle) return GLFW_FALSE; _glfwInitTimerWin32(); _glfwInitJoysticksWin32(); _glfwPollMonitorsWin32(); return GLFW_TRUE; } void _glfwPlatformTerminate(void) { if (_glfw.win32.deviceNotificationHandle) UnregisterDeviceNotification(_glfw.win32.deviceNotificationHandle); if (_glfw.win32.helperWindowHandle) DestroyWindow(_glfw.win32.helperWindowHandle); _glfwUnregisterWindowClassWin32(); // Restore previous foreground lock timeout system setting SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(_glfw.win32.foregroundLockTimeout), SPIF_SENDCHANGE); free(_glfw.win32.clipboardString); free(_glfw.win32.rawInput); _glfwTerminateWGL(); _glfwTerminateEGL(); _glfwTerminateJoysticksWin32(); freeLibraries(); } const char* _glfwPlatformGetVersionString(void) { return _GLFW_VERSION_NUMBER " Win32 WGL EGL" #if defined(__MINGW32__) " MinGW" #elif defined(_MSC_VER) " VisualC" #endif #if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) " hybrid-GPU" #endif #if defined(_GLFW_BUILD_DLL) " DLL" #endif ; }